<?php

namespace Modules\WardManagement\Http\Controllers;

use Illuminate\Database\QueryException;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;
use Modules\Cancer\Http\Controllers\CancerProtocolController;
use Modules\ClinicalData\Services\Drugs\DrugFormsService;
use Modules\ClinicalData\Services\Drugs\DrugRoutesService;
use Modules\ClinicalData\Services\Drugs\DrugsService;
use Modules\ClinicalData\Services\Drugs\DrugUnitsService;
use Streamline\Models\Alert;
use Streamline\Models\Allergy;
use Streamline\Models\Clinic;
use Streamline\Models\DebtPlan;
use Streamline\Models\DiagnosisCategory;
use Streamline\Models\Drug;
use Streamline\Models\DrugCategory;
use Streamline\Models\EyeClinicBaseExamRefraction;
use Streamline\Models\EyeClinicMainExam;
use Streamline\Models\InpatientBedCategory;
use Streamline\Models\InpatientBill;
use Streamline\Models\InsuranceClaim;
use Streamline\Models\Investigation;
use Streamline\Models\InvestigationResults;
use Streamline\Models\OrderedCancerProtocols;
use Streamline\Models\OrderedProcedure;
use Streamline\Models\OrderedService;
use Streamline\Models\OrderedSundry;
use Streamline\Models\Outcome;
use Streamline\Models\Patient;
use Streamline\Models\PatientAppointment;
use Streamline\Models\PatientEpisode;
use Streamline\Models\PatientDocument;
use Streamline\Models\PatientInpatientVitals;
use Streamline\Models\PriceListCategories;
use Streamline\Models\Procedure;
use Streamline\Models\ReferralHospital;
use Streamline\Models\Services;
use Streamline\Models\SlitLampTestArea;
use Streamline\Models\SlitLampTestAreaValue;
use Streamline\Models\Speciality;
use Streamline\Models\Sundry;
use Streamline\Models\Treatment;
use Streamline\Models\OrderedInvestigation;
use Streamline\Models\InpatientInfo;
use Streamline\Models\InternalWardTransfer;
use Streamline\Models\TreatmentSheetDispensations;
use Streamline\Models\Triage;
use Carbon\Carbon;
use Streamline\Models\User;
use Streamline\Models\Ward;
use Streamline\Models\ServiceDeposit;
use Streamline\Models\PatientDiscount;
use Streamline\Models\WardBedStay;
use Streamline\Models\WardConsultationsAndService;
use Streamline\Models\WardExtra;
use Streamline\Models\WardInpatientDetailedNote;
use Streamline\Models\WardInpatientSheetComment;
use Streamline\Models\WardInpatientSheetNurseComment;
use Streamline\Models\WardInvestigationPricing;
use Streamline\Models\WardProcedure;
use Streamline\Models\WardSundryDispensation;
use Streamline\Models\WardTreatment;
use Streamline\Models\ChartOfAccount;
use Streamline\Models\WardTreatmentDispensation;
use Barryvdh\Snappy\Facades\SnappyPdf;
use DateTime;
use Streamline\Models\Consultation;
use Streamline\Models\HospitalInformation;
use Streamline\Models\InpatientAttendantPass;
use Streamline\Services\ReceiptService;
use Streamline\Models\AnteNatalClinicFollowup;
use Streamline\Services\WardManagement\WardTreatmentDispensationService;

class InpatientController extends Controller {

    public function __construct(
        protected ReceiptService $receiptService,
        protected DrugsService $drugsService,
        protected DrugUnitsService $drugUnitsService,
        protected DrugRoutesService $drugRoutesService,
        protected DrugFormsService $drugFormsService,
        protected WardTreatmentDispensationService $dispensationService,
    ) {
        $this->middleware('auth');
    }

    /**
     * Display a listing of the resource.
     *
     */
    public function index() {
        //
    }

    /*
     * Display the in_patient_sheet form
     */

    public function in_patient_sheet() {
        $episode_id = session()->get('episode_id');
        $patient_episode_details = PatientEpisode::find($episode_id);
        $patient_id = $patient_episode_details->patient_id;
        $patient = Patient::find($patient_id);

        $referrals = ReferralHospital::orderBy('name')->pluck('name', 'id')->prepend('- select -', '');

        // inpatient info
        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('created_at', 'desc')->first();
        if($inpatient_info->discharged == 1 && !Auth::user()->can('view-closed-inpatient-sheet')){
            flash("Access to a discharged patient's inpatient sheet is restricted. Contact system administrator.")->error();
            return redirect()->back();
        }
        $specialities = Speciality::pluck('name', 'id')->prepend('- select -', '');
        $diagnosis_categories = DiagnosisCategory::all();
        $diagnoses = DB::table('diagnoses')->where('available', 1)->whereNull('deleted_at')->orderBy('name', 'asc')->pluck("name", "id")->prepend('- select -', '');
        $diagnoses_all = DB::table('diagnoses')->whereNull('deleted_at')->select('id', 'prompts', 'reference_areas', 'reference_names')->get();

        // for the initial procedures select
        $procedures = DB::table('procedures')->whereNull('deleted_at')->orderBy('name', 'asc')->pluck('name', 'id')->prepend('- select -', '');
        $procedures_results = DB::table('procedures')->whereNull('deleted_at')->select('id', 'name')->get();
        $options_procedures = "";
        foreach ($procedures_results as $procedure_result) {
            $procedure_name = str_replace("'", '', $procedure_result->name);
            $procedure_name = str_replace("\"", '', $procedure_name);
            $options_procedures .= "<option value='" . $procedure_result->id . "'>" . $procedure_name . "</option>";
        }

        // for the initial sundries select
        $sundries = DB::table('sundries')->whereNull('deleted_at')->orderBy('name', 'asc')->pluck('name', 'id')->prepend('- select -', '');
        $sundries_results = DB::table('sundries')->whereNull('deleted_at')->select('id', 'name')->get();
        $options_sundries = "";
        foreach ($sundries_results as $sundry_result) {
            $sundry_name = str_replace("'", '', $sundry_result->name);
            $sundry_name = str_replace("\"", '', $sundry_name);
            $options_sundries .= "<option value='" . $sundry_result->id . "'>" . $sundry_name . "</option>";
        }

        // for the initial drugs select
        $drugs = DB::table('drugs')->where('available', 1)->whereNull('deleted_at')->orderBy('name', 'asc')->pluck('name', 'id')->prepend('- select -', '');
        $drugs_results = DB::table('drugs')->where('available', 1)->whereNull('deleted_at')->select('id', 'name')->get();
        $options_drugs = "";
        foreach ($drugs_results as $drugs_result) {
            $drug_name = str_replace("'", '', $drugs_result->name);
            $drug_name = str_replace("\"", '', $drug_name);
            $options_drugs .= "<option value='" . $drugs_result->id . "'>" . $drug_name . "</option>";
        }

        $symptoms = DB::table('symptoms')->whereNull('deleted_at')->pluck("name", "id");
        $documents = PatientDocument::where('patient_id', $patient_id)->orderBy('created_at', 'desc')->get();
        $outcomes = Outcome::pluck('name', 'id');
        $wards = Ward::withTrashed()->pluck('name', 'id')->prepend('- select ward-', '');
        $treatment_to_take_away = Treatment::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'tta' => 1])->get();
        $ward_prescriptions = WardTreatment::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->get();
        $ward_dispensed_drugs_array = WardTreatmentDispensation::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->distinct('drug_id')->pluck('drug_id')->toArray();
        $triage = Triage::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->first();
        $patient_appointment = PatientAppointment::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->first();
        $anc_comments = AnteNatalClinicFollowup::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->select(['history_comments', 'clinic_examination_comments', 'investigation_and_management_plan_comments'])->first();
        // prep the inpatient investigation arrays and counters
        $opd_investigations = [];
        $opd_investigations_position = [];
        $opd_investigations_date = [];
        $ward_investigations = [];
        $ward_investigations_position = [];
        $ward_investigations_date = [];

        // get all investigations ordered in this episode
        $ordered_investigations = OrderedInvestigation::where(['episode_id' => $episode_id])->get();

        // get all results
        $investigation_results_order_ids = InvestigationResults::pluck('order_id', 'id')->toArray();

        foreach ($ordered_investigations as $investigation) {
            if (isset($ward_investigations['id'])) {
                $ward_investigations_position[] = count($ward_investigations['id']);
            } else {
                $ward_investigations_position[] = 0;
            }

            if (isset($opd_investigations['id'])) {
                $opd_investigations_position[] = count($opd_investigations['id']);
            } else {
                $opd_investigations_position[] = 0;
            }

            $ward_investigations_date[] = "Ordered on " . streamline_date_time($investigation->created_at) . " by " .
                get_full_name($investigation->created_by, 'id', 'first_name', 'last_name', 'users');
            $opd_investigations_date[] = streamline_date_time($investigation->created_at);

            $investigation_ids = explode(",", $investigation->investigation_id);
            $inpatient_status = explode(",", $investigation->for_inpatient);
            $eye_investigations = explode(",",  $investigation->eye);
            // check if results are available for this investigation
            if (in_array($investigation->id, $investigation_results_order_ids)) {
                // get the key if available
                $key = array_search($investigation->id, $investigation_results_order_ids);

                // get the results object
                $results = InvestigationResults::find($key);

                // exclude obstetric u/s results
                if ($results->result_type != "Ultrasound_Obstetric") {
                    $investigation_results = explode(",", $results->value);
                    $investigation_per_valid = explode(",", $results->per_investigation);
                    $investigation_comments = explode(",", $results->comment);

                    if ($results->all_authenticated == 1) {
                        for ($i = 0; $i < count($inpatient_status); $i++) {
                            if (isset($inpatient_status[$i]) && $inpatient_status[$i] == 0) {
                                $result = Investigation::withTrashed()->find($investigation_ids[$i]);

                                if ($result) {
                                    $opd_investigations['id'][] = $result->id;
                                    $opd_investigations['name'][] = $result->name;
                                    $opd_investigations['type'][] = $result->type;
                                    $opd_investigations['slug'][] = $result->slug;
                                    $opd_investigations['normal_ranges'][] = $result->normal_ranges;
                                    $opd_investigations['value'][] = $investigation_results[$i] ?? "";
                                    $opd_investigations['result_time'][] = 'On '.streamline_date_time_short($results->created_at).' by '. get_full_name($results->created_by, 'id', 'first_name', 'last_name', 'users');
                                    $opd_investigations['comment'][] = $investigation_comments[$i] ?? "";
                                    $opd_investigations['eye'][] = $eye_investigations[$i] ?? '';
                                }
                            } else {
                                $result = Investigation::withTrashed()->find($investigation_ids[$i]);

                                if ($result) {
                                    $ward_investigations['id'][] = $result->id;
                                    $ward_investigations['name'][] = $result->name;
                                    $ward_investigations['type'][] = $result->type;
                                    $ward_investigations['normal_ranges'][] = $result->normal_ranges;
                                    $ward_investigations['slug'][] = $result->slug;
                                    $ward_investigations['result_time'][] = 'On '.streamline_date_time_short($results->created_at).' by '. get_full_name($results->created_by, 'id', 'first_name', 'last_name', 'users');
                                    $ward_investigations['value'][] = $investigation_results[$i] ?? "";
                                    $ward_investigations['comment'][] = $investigation_comments[$i] ?? "";
                                    $ward_investigations['eye'][] =  $eye_investigations[$i] ?? '';
                                }
                            }
                        }
                    } else {
                        for ($i = 0; $i < count($inpatient_status); $i++) {

                            $investigation = Investigation::withTrashed()->find($investigation_ids[$i]);

                            if (!$investigation) {
                                continue;
                            }

                            if (isset($investigation_per_valid[$i]) && $investigation_per_valid[$i] == 1) {
                                // this investigation is authenticated
                                if (isset($inpatient_status[$i]) && $inpatient_status[$i] == 0) {
                                    $opd_investigations['id'][] = $investigation->id;
                                    $opd_investigations['name'][] = $investigation->name;
                                    $opd_investigations['type'][] = $investigation->type;
                                    $opd_investigations['slug'][] = $investigation->slug;
                                    $opd_investigations['normal_ranges'][] = $investigation->normal_ranges;
                                    $opd_investigations['value'][] = $investigation_results[$i] ?? "";
                                    $opd_investigations['comment'][] = $investigation_comments[$i] ?? "";
                                    $opd_investigations['eye'][] = $eye_investigations[$i] ?? '';
                                } else {
                                    $ward_investigations['id'][] = $investigation->id;
                                    $ward_investigations['name'][] = $investigation->name;
                                    $ward_investigations['type'][] = $investigation->type;
                                    $ward_investigations['normal_ranges'][] = $investigation->normal_ranges;
                                    $ward_investigations['slug'][] = $investigation->slug;
                                    $ward_investigations['value'][] = $investigation_results[$i] ?? "";
                                    $ward_investigations['comment'][] = $investigation_comments[$i] ?? "";
                                    $ward_investigations['eye'][] = $eye_investigations[$i] ?? '';
                                }
                            } else {
                                if (isset($investigation_per_valid[$i]) && $inpatient_status[$i] == 0) {
                                    $opd_investigations['id'][] = $investigation->id;
                                    $opd_investigations['name'][] = $investigation->name;
                                    $opd_investigations['type'][] = $investigation->type;
                                    $opd_investigations['slug'][] = $investigation->slug;
                                    $opd_investigations['normal_ranges'][] = $investigation->normal_ranges;
                                    $opd_investigations['value'][] = "Pending";
                                    $opd_investigations['comment'][] = "Pending";
                                    $opd_investigations['eye'][] =  $eye_investigations[$i] ?? '';
                                } else {
                                    $ward_investigations['id'][] = $investigation->id;
                                    $ward_investigations['name'][] = $investigation->name;
                                    $ward_investigations['type'][] = $investigation->type;
                                    $ward_investigations['normal_ranges'][] = $investigation->normal_ranges;
                                    $ward_investigations['slug'][] = $investigation->slug;
                                    $ward_investigations['value'][] = "Pending";
                                    $ward_investigations['comment'][] = "Pending";
                                    $ward_investigations['eye'][] =  $eye_investigations[$i] ?? '';
                                }
                            }
                        }
                    }
                }
            } else {
                for ($i = 0; $i < count($inpatient_status); $i++) {
                    if (isset($inpatient_status[$i]) && $inpatient_status[$i] == 0) {
                        $result = Investigation::withTrashed()->find($investigation_ids[$i]);

                        if ($result) {
                            $opd_investigations['id'][] = $result->id;
                            $opd_investigations['name'][] = $result->name;
                            $opd_investigations['type'][] = $result->type;
                            $opd_investigations['slug'][] = $result->slug;
                            $opd_investigations['normal_ranges'][] = $result->normal_ranges;
                            $opd_investigations['value'][] = "Pending";
                            $opd_investigations['comment'][] = "Pending";
                            $opd_investigations['eye'][] =  $eye_investigations[$i] ?? '';
                        }
                    } else {
                        $result = Investigation::withTrashed()->find($investigation_ids[$i]);

                        if ($result) {
                            $ward_investigations['id'][] = $result->id;
                            $ward_investigations['name'][] = $result->name;
                            $ward_investigations['type'][] = $result->type;
                            $ward_investigations['normal_ranges'][] = $result->normal_ranges;
                            $ward_investigations['slug'][] = $result->slug;
                            $ward_investigations['value'][] = "Pending";
                            $ward_investigations['comment'][] = "Pending";
                            $ward_investigations['eye'][] =  $eye_investigations[$i] ?? '';
                        }
                    }
                }
            }
        }

        $clinics = Clinic::orderBy('name')->pluck("name", "id")->toArray();
        $clinics = ['0' => "Don't assign clinic"] + $clinics;
        $users = User::orderBy('first_name')->select("id", "first_name", "last_name")->get();

        // for initial services select
        $service_items = DB::table('services')->whereNull('deleted_at')->orderBy('name','asc')->pluck('name', 'id')->prepend('- select -', '');
        $service_results = DB::table('services')->whereNull('deleted_at')->select('id', 'name')->get();
        $options_services = "";
        foreach ($service_results as $service_result) {
            $service_name = str_replace("'", '', $service_result->name);
            $service_name = str_replace("\"", '', $service_name);
            $service_name = str_replace("+", '', $service_name);
            $options_services .= "<option value='" . $service_result->id . "'>" . $service_name . "</option>";
        }

        $users_collection = DB::table('users')->orderBy("first_name","asc")->select("id")->get()->toArray();
        $service_with_users_array = [];
        $users_array = [];
        $options_users = "";
        foreach ($users_collection as $value){
            $user = User::find($value->id);
            if (!is_null($user)) {
                $users_array[$user->id] = $user->first_name . " ". $user->last_name;
                $options_users .= "<option value='" . $user->id . "'>" . $user->first_name . " ". $user->last_name . "</option>";
                if ($user->hasRole('Doctors') || $user->hasRole('Doctor')) {
                    //use this join query instead of the commented out query to cater for execution speed (N+1)
                    $consultation_records = DB::table('services')
                        ->join('staff_payment_configurations','staff_payment_configurations.item_id', '=', 'services.id')
                        ->where('staff_payment_configurations.user_id',$value->id)
                        ->where('staff_payment_configurations.item_category',3)
                        ->orderBy('staff_payment_configurations.created_at','asc')
                        ->select('services.*')
                        ->get();

                    foreach ($consultation_records as $record) {
                        $price_list_id = is_patient_category_attached_to_price_list($patient_id);
                        if ($price_list_id) {
                            $users_consultation_fee = get_price_list_category_price($price_list_id, 6, $record->id);
                        } else{
                            $users_consultation_fee = $record->non_insured_price;
                        }
                        //concatnate the service_record_id with the users_id to form the key for the array
                        $dynamic_key = $record->id."__".$value->id;
                        $dynamic_value = get_full_name($value->id, 'id', 'first_name', 'last_name', 'users')." (".$record->name.")";

                        $service_with_users_array[$dynamic_key] = $dynamic_value;

                        //add these dynamically formed values to service_items array
                        array_add($service_items, $dynamic_key, $dynamic_value);
                        //add it to the services_options too i.e used when user clicks add_service btn
                        $options_services .= "<option value='" . $dynamic_key . "'>" . $dynamic_value . "</option>";
                    }
                }
            }
        }
        $service_with_users_array = ['' => '- select -'] + $service_with_users_array;

        $services_with_users_array = InpatientController::configured_users_with_their_services_array();

        $users_array = ['' => '- select -'] + $users_array;

        $bed_categories = InpatientBedCategory::where('available', 1)->orderby('name','asc')->pluck('name', 'id')->prepend('- select -', '');
        $options_bed_categories = "";
        foreach ($bed_categories as $id => $bed_category) {
            $options_bed_categories .= "<option value='". $id ."'>" . $bed_category . "</option>";
        }

        $options_wards = "";
        foreach ($wards as $id => $ward_option) {
            $options_wards .= "<option value='". $id . "'>" . $ward_option . "</option>";
        }

        $today = date("Y-m-d");
        $dob = Carbon::parse($patient->date_of_birth);
        $age_diff_days = $dob->diffInDays(Carbon::now());
        $age_diff_months = $age_diff_days / 30.436875;
        $difference = days_months_years($dob, $today);

        $days = $difference[0];
        $months = $difference[1];
        $years = $difference[2];

        $age_group = 0;

        if (between($days, 0, 28) && between($months, 0, 0) && between($years, 0, 0)) {
            $age_group = 1;
        } elseif (between($days, 0, 31) && between($months, 1, 12) && between($years, 0, 0)) {
            $age_group = 2;
        } elseif (between($days, 0, 31) && between($months, 0, 12) && between($years, 1, 5)) {
            $age_group = 3;
        } elseif (between($days, 0, 31) && between($months, 0, 12) && between($years, 6, 12)) {
            $age_group = 4;
        } elseif (between($days, 0, 31) && between($months, 0, 12) && between($years, 13, 200)) {
            $age_group = 5;
        }

        $observations = DB::table('observations')
            ->whereNull('deleted_at')
            ->where(function($query){
                $query->where('options', '')
                    ->orWhereNull('options');
            })
            ->whereRaw('FIND_IN_SET(' . $age_group . ',age_group)')->pluck('name', 'id');
        $options_observations = "<option value=''>--select--</option>";
        foreach ($observations as $key => $value) {
            $options_observations .= "<option value='" . $key . "'>" . $value . "</option>";
        }

        // check saved vitals
        $patient_inpatient_vitals = DB::table('patient_inpatient_vitals')
            ->whereNull('deleted_at')
            ->where('inpatient_id', $inpatient_info->id)
            ->orderBy('id', 'desc')->get(['id', 'vitals']);

        $patient_vitals = [];

        foreach ($patient_inpatient_vitals as $vital) {
            $vitals_array = json_decode($vital->vitals, true);

            foreach ($vitals_array as $value) {
                $patient_vitals[$value["name"]][] = ["value" => $value["value"], "time" => $value["time"]];
            }
        }

        // get ordered cancer protocols
        $ordered_cancer_protocols = DB::table('ordered_cancer_protocols')
            ->whereNull('deleted_at')->where('inpatient_id', $inpatient_info->id)->get();

        $drug_with_units = $this->drugsService->pluckAvailableDrugs('unit_id');
        $drug_with_forms = $this->drugsService->pluckAvailableDrugs('form_id');
        $drug_forms = $this->drugFormsService->pluckAvailableDrugForms('name');
        $drug_units = $this->drugUnitsService->pluckAvailableDrugUnits('name');
        $drug_routes = $this->drugRoutesService->pluckAvailableDrugRoutes('name');

        $factors = CancerProtocolController::$factors;
        if ($inpatient_info->discharged == 1) {
            return view('ward_management::inpatient.inpatient_sheet_history', compact('patient', 'inpatient_info', 'specialities', 'diagnoses', 'diagnoses_all', 'procedures', 'options_procedures', 'sundries', 'options_sundries', 'drugs', 'options_drugs', 'outcomes', 'wards', 'triage', 'symptoms', 'documents', 'treatment_to_take_away', 'opd_investigations', 'diagnosis_categories', 'drug_with_units', 'drug_units', 'drug_routes', 'factors',
                'ward_investigations', 'referrals', 'patient_id', 'episode_id', 'ward_prescriptions', 'service_items', 'options_services','ward_dispensed_drugs_array','clinics', 'users', 'services_with_users_array', 'users_array', 'opd_investigations_position', 'ward_investigations_position', 'opd_investigations_date', 'ward_investigations_date', 'options_users', 'bed_categories', 'options_bed_categories', 'options_wards'));
        } else {
            
           return view('ward_management::inpatient.inpatient_sheet', compact('patient', 'inpatient_info', 'specialities', 'diagnoses', 'diagnoses_all', 'procedures', 'options_procedures', 'sundries', 'options_sundries', 'anc_comments', 'drugs', 'options_drugs', 'outcomes', 'wards', 'triage', 'symptoms', 'documents', 'treatment_to_take_away', 'opd_investigations', 'diagnosis_categories', 'patient_vitals', 'drug_units', 'drug_routes', 'factors', 'age_group', 'options_observations',
                'ward_investigations', 'ward_prescriptions', 'referrals', 'patient_id', 'patient_appointment', 'episode_id', 'service_items', 'options_services','ward_dispensed_drugs_array','clinics', 'users', 'services_with_users_array', 'users_array', 'opd_investigations_position', 'ward_investigations_position', 'opd_investigations_date', 'ward_investigations_date', 'options_users', 'bed_categories', 'options_bed_categories', 'options_wards', 'ordered_cancer_protocols', 'drug_with_units',
                'drug_with_forms', 'drug_forms'));
        }
    }

    /* submit internal ward transfers */
    public function store_internal_ward_transfers(Request $request) {
        $ward_transfer = new InternalWardTransfer;
        $ward_transfer->patient_id = $request->patient_id;
        $ward_transfer->from_ward = $request->from_ward;
        $ward_transfer->to_ward = $request->to_ward;
        $ward_transfer->transfer_date = Carbon::createFromFormat('d/m/Y', $request->transfer_date)->toDateString();
        $ward_transfer->comments = $request->transfer_comments;
        $ward_transfer->created_by = Auth::id();

        if ($ward_transfer->save()) {
            //Updating the inpatient info table
            $inpatient_info = InpatientInfo::find($request->info_id);
            $inpatient_info->ward_id = $request->to_ward;
            $inpatient_info->transferred = 1;
            $inpatient_info->update();

            $patient_id = $inpatient_info->patient_id;
            $episode_id = $inpatient_info->episode_id;

            // check if there is a still admitted record and close it off
            $still_admitted_record = WardBedStay::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'still_here' => 1])->first();

            if ($still_admitted_record) {
                // set the end date as today
                $still_admitted_record->to = Carbon::createFromFormat('d/m/Y', $request->transfer_date)->toDateString();
                $still_admitted_record->still_here = 0;
                $still_admitted_record->save();

                $bed_number = $still_admitted_record->bed_number;
                $bed_category = $still_admitted_record->bed_category;
                $current_chart_of_account = $still_admitted_record->current_chart_of_account;
            } else {
                $latest_bed_record = WardBedStay::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('id', 'desc')->first();

                $bed_number = $latest_bed_record->bed_number;
                $bed_category = $latest_bed_record->bed_category;
                $current_chart_of_account = $latest_bed_record->current_chart_of_account;
            }

            // create new record with new ward copying the still or latest record
            $ward_bed_stay = new WardBedStay();

            $ward_bed_stay->patient_id = $patient_id;
            $ward_bed_stay->episode_id = $episode_id;
            $ward_bed_stay->ward_id = $request->to_ward;
            $ward_bed_stay->bed_number = $bed_number;
            $ward_bed_stay->bed_category = $bed_category;
            $ward_bed_stay->bed_ward = $request->to_ward;
            $ward_bed_stay->from = Carbon::createFromFormat('d/m/Y', $request->transfer_date)->toDateString();
            $ward_bed_stay->to = date('Y-m-d');
            $ward_bed_stay->still_here = 1;
            $ward_bed_stay->duration = 0;
            $ward_bed_stay->bed_fee_rate = 0;
            $ward_bed_stay->bed_fee_total = 0;
            $ward_bed_stay->current_chart_of_account = $current_chart_of_account;
            $ward_bed_stay->created_by = Auth::id();
            $ward_bed_stay->save();
        }
        return response()->json($request->all());
    }

    /*
     * store from the in_patient_sheet form
     */
    public function store(Request $request) {
        $patient_id = session()->get('patient_id');
        $episode_id = session()->get('episode_id');
        $patient_insurance_status = $request->patient_insurance_status ?? 0;

        // change status for the cancer protocol
        if (isset($request->ordered_cancer_protocol_id)) {
            $ordered_cancer_protocol_ids = $request->ordered_cancer_protocol_id;
            $ordered_cancer_protocol_status = $request->ordered_cancer_protocol_status;
            for ($p = 0; $p < count($ordered_cancer_protocol_ids); $p++) {
                $protocol = OrderedCancerProtocols::find($ordered_cancer_protocol_ids[$p]);
                $protocol->protocol_status = $ordered_cancer_protocol_status[$p];
                $protocol->save();
            }
        }

        // update the patient info
        $inpatient_info = InpatientInfo::find($request->info_id);
        $inpatient_info->primary_diagnosis = $request->primary_diagnosis;
        $inpatient_info->other_diagnoses = serialize($request->other_diagnosis);
        $inpatient_info->left_eye_diagnosis = $request->left_eye_diagnosis ? implode(',', $request->left_eye_diagnosis) : NULL;
        $inpatient_info->right_eye_diagnosis = $request->left_eye_diagnosis ? implode(',', $request->right_eye_diagnosis) : NULL;
        $inpatient_info->ward_message = $request->comments;
        $inpatient_info->discharge_summary = $request->discharge_summary;
        $inpatient_info->clinical_summary = $request->clinical_summary;
        $inpatient_info->referral_notes = $request->referral_notes;

        if ($request->comments) {
            $ward_inpatient_sheet_comments = new WardInpatientSheetComment;
            $ward_inpatient_sheet_comments->patient_id = $patient_id;
            $ward_inpatient_sheet_comments->episode_id = $episode_id;
            $ward_inpatient_sheet_comments->ward_comments = $request->comments;
            $ward_inpatient_sheet_comments->ward_id = $request->ward_id;
            $ward_inpatient_sheet_comments->created_by = Auth::id();
            $ward_inpatient_sheet_comments->save();
        }

        // save for the nurse comments
        if($request->nurse_comments){
            $ward_inpatient_sheet_nurse_comments = new WardInpatientSheetNurseComment;
            $ward_inpatient_sheet_nurse_comments->patient_id = $patient_id;
            $ward_inpatient_sheet_nurse_comments->episode_id = $episode_id;
            $ward_inpatient_sheet_nurse_comments->ward_comments = $request->nurse_comments;
            $ward_inpatient_sheet_nurse_comments->ward_id = $request->ward_id;
            $ward_inpatient_sheet_nurse_comments->created_by = Auth::id();
            $ward_inpatient_sheet_nurse_comments->save();
        }

        if ($request->inpatient_history || $request->inpatient_result || $request->inpatient_vitals_and_examinations || $request->inpatient_impression || $request->inpatient_plan) {
            $ward_inpatient_sheet_comments = new WardInpatientDetailedNote;
            $ward_inpatient_sheet_comments->patient_id = $patient_id;
            $ward_inpatient_sheet_comments->episode_id = $episode_id;
            $ward_inpatient_sheet_comments->history = $request->inpatient_history;
            $ward_inpatient_sheet_comments->result = $request->inpatient_result;
            $ward_inpatient_sheet_comments->vitals = $request->inpatient_vitals_and_examinations;
            $ward_inpatient_sheet_comments->impression = $request->inpatient_impression;
            $ward_inpatient_sheet_comments->plan = $request->inpatient_plan;
            $ward_inpatient_sheet_comments->ward_id = $request->ward_id;
            $ward_inpatient_sheet_comments->created_by = Auth::id();
            $ward_inpatient_sheet_comments->save();
        }

        $inpatient_info->outcome_id = $request->outcome;
        $inpatient_info->updated_by = Auth::id();
        $inpatient_info->tb_status_assessment = $request->tb_status_assessment;

        //bed categories
        $bed_number_array = $request->on_bed_number;
        $bed_category_array = $request->on_bed_bedcategory;
        $bed_ward_array = $request->bed_ward;
        $on_bed_from_array = $request->on_bed_from;
        $still_here_or_not = $request->upto_option;
        $on_bed_upto_array = $request->on_bed_upto;
        $bed_duration_array = $request->bed_duration;
        $bed_rate_array = $request->bed_rate;

        // if any of the currently saved are not in the previous it means they were deleted
        $already_stored_bed_categories = WardBedStay::where(['episode_id' => $episode_id,'patient_id' => $patient_id,'ward_id' => $request->ward_id])->get();
        $previous_bed_stays = is_array($request->previous_bed_stays) ? $request->previous_bed_stays : [];

        foreach ($already_stored_bed_categories as $already_stored_bed_category) {
            if (!in_array($already_stored_bed_category->id, $previous_bed_stays)) {
                $already_stored_bed_category->delete();
            }
        }

        if (is_array($bed_number_array)) {
            for ($i=0; $i < count($bed_number_array) ; $i++) {
                if (!empty($bed_category_array[$i]) && !empty($bed_ward_array[$i])) {
                    $ward_bed_stay = WardBedStay::firstOrNew(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'ward_id' => $request->ward_id, 'bed_category' => $bed_category_array[$i], 'bed_ward' => $bed_ward_array[$i]]);
                    $bed_category_cost = InpatientBedCategory::find($bed_category_array[$i]);
                    $ward_bed_stay->patient_id = $patient_id;
                    $ward_bed_stay->episode_id = $episode_id;
                    $ward_bed_stay->ward_id = $request->ward_id;
                    $ward_bed_stay->bed_number = $bed_number_array[$i];
                    $ward_bed_stay->bed_category = $bed_category_array[$i];
                    $ward_bed_stay->bed_ward = $bed_ward_array[$i];
                    $ward_bed_stay->from = $on_bed_from_array[$i];
                    $ward_bed_stay->to = $on_bed_upto_array[$i];
                    if ($i == 0) { //the first item in array
                        $ward_bed_stay->still_here = $still_here_or_not == "Still here" ? 1 : 0;
                    }
                    $ward_bed_stay->duration = $bed_duration_array[$i] ?? 0;
                    $ward_bed_stay->bed_fee_rate = $bed_rate_array[$i] ?? 0;
                    if ($bed_category_cost->cost_type == 2) {
                        if (!empty($bed_duration_array[$i]) || !empty($bed_rate_array[$i])) {
                            if ($bed_duration_array[$i] == 1) {
                                $ward_bed_stay->bed_fee_total = $bed_category_cost->cost_first_night;
                            } elseif (($bed_duration_array[$i] - 1) <= $bed_category_cost->to_night) {
                                $amount = ($bed_duration_array[$i] - 1) * $bed_category_cost->cost_range;
                                $ward_bed_stay->bed_fee_total = $bed_category_cost->cost_first_night + $amount;
                            } else {
                                $other_days = $bed_category_cost->to_night + 1;
                                $range_amount = $bed_category_cost->to_night * $bed_category_cost->cost_range;
                                $cost_after = ($bed_duration_array[$i] - $other_days) * $bed_category_cost->cost_after;
                                $ward_bed_stay->bed_fee_total = $bed_category_cost->cost_first_night + $range_amount + $cost_after;
                            }

                        } else $ward_bed_stay->bed_fee_total = 0;
                    } else $ward_bed_stay->bed_fee_total = ($bed_duration_array[$i] ?? 0) * ($bed_rate_array[$i] ?? 0);

                    /*** add the current chart of account ***/
                    $default_bed_categories_income_acc = ChartOfAccount::where('slug', 'default_ward_accomodation_income')->first();
                    $default_bed_categories_income_acc_id = is_null($default_bed_categories_income_acc) ? null : $default_bed_categories_income_acc->id;
                    $bed_category_income_account = get_name($bed_category_array[$i], "id", "income_account", "inpatient_bed_categories");
                    $bed_category_income_account = (is_null($bed_category_income_account) || $bed_category_income_account == "N/A") ? $default_bed_categories_income_acc_id : $bed_category_income_account;
                    $ward_bed_stay->current_chart_of_account = $bed_category_income_account;
                    /* **** */

                    $ward_bed_stay->created_by = Auth::id();
                    $ward_bed_stay->save();
                }
            }
        }

        // check if a speciality is selected
        if ($request->speciality) {
            $inpatient_info->speciality_id = $request->speciality;
        }

        // check if any procedure is selected
        if (is_array($request->procedure_id) && !in_array(null, $request->procedure_id)) {
            $inpatient_info->procedures = serialize($request->procedure_id);
        } else {
            $inpatient_info->procedures = '';
        }

        // procedure_done_by
        if (is_array($request->procedure_done_by) && !in_array(null, $request->procedure_done_by)) {
            $inpatient_info->procedures_done_by = serialize($request->procedure_done_by);
        }

        // procedure_hospital_fee
        if (is_array($request->procedure_hospital_fee) && !in_array(null, $request->procedure_hospital_fee)) {
            $inpatient_info->procedure_hospital_fee = serialize($request->procedure_hospital_fee);
        } else {
            $inpatient_info->procedure_hospital_fee = '';
        }

        // procedure_staff_fee
        if (is_array($request->procedure_performance_fee) && !in_array(null, $request->procedure_performance_fee)) {
            $inpatient_info->procedure_staff_fee = serialize($request->procedure_performance_fee);
        } else {
            $inpatient_info->procedure_staff_fee = '';
        }

        $ward_procedure_ids_array = $request->procedure_id;
        $ward_procedure_eye_array = $request->eye;
        $ward_procedure_performed_by_array = $request->procedure_done_by;
        $ward_procedure_hospital_fee_array = $request->procedure_hospital_fee;
        $ward_procedure_staff_fee_array = $request->procedure_performance_fee;
        $ward_procedure_dates_array = $request->procedure_date;

        //remove any previously stored consultations and services that are not in this new submission/save
        $old_already_stored_procedure_record_ids = WardProcedure::where(['episode_id' => $episode_id,'patient_id' => $patient_id,'ward_id' =>$request->ward_id])->pluck('id')->toArray();
        $new_already_stored_procedure_record_ids = $request->procedure_record_id ?? [];

        for ($i=0; $i < count($old_already_stored_procedure_record_ids) ; $i++) {
            if (!in_array($old_already_stored_procedure_record_ids[$i], $new_already_stored_procedure_record_ids)) {
                $procedure_to_remove = WardProcedure::find($old_already_stored_procedure_record_ids[$i]);
                if ($procedure_to_remove) {
                    $procedure_to_remove->delete();
                }
            }
        }

        if (is_array($ward_procedure_ids_array)) {
            for ($x = 0; $x < count($ward_procedure_ids_array); $x++) {
                if (!is_null($ward_procedure_ids_array[$x])) {
                    $ward_procedures_record = new WardProcedure;

                    // get chi price if available
                    if ($patient_insurance_status == 1) {
                        $procedure_insurance_details = get_item_insurance_pricing($patient_id, $ward_procedure_ids_array[$x], 2, true, $request->ward_id);
                        $ward_procedures_record->chi_price = $procedure_insurance_details[1];
                    }

                    $ward_procedures_record->patient_id = $patient_id;
                    $ward_procedures_record->episode_id = $episode_id;
                    $ward_procedures_record->procedure_id = $ward_procedure_ids_array[$x];
                    $ward_procedures_record->performed_by = $ward_procedure_performed_by_array[$x];
                    $ward_procedures_record->hospital_fee = $ward_procedure_hospital_fee_array[$x];
                    $ward_procedures_record->staff_fee = $ward_procedure_staff_fee_array[$x];
                    $ward_procedures_record->procedure_date = is_null($ward_procedure_dates_array[$x]) ? Carbon::now() : $ward_procedure_dates_array[$x];
                    $ward_procedures_record->ward_id = $request->ward_id;
                    $ward_procedures_record->eye = isset($ward_procedure_eye_array[$x])? $ward_procedure_eye_array[$x]:null;
                    $ward_procedures_record->current_chart_of_account = get_name($ward_procedure_ids_array[$x], "id", "account_id", "procedures");
                    $ward_procedures_record->created_by = Auth::id();
                    $ward_procedures_record->save();
                }
            }
        }

        // check if any sundry is selected
        if (is_array($request->sundry_id) && !in_array(null, $request->sundry_id)) {
            $sundry_id = $request->sundry_id;
            $sundry_quantity = $request->sundry_quantity;
            $sundries = array(
                "sundries" => $sundry_id,
                "quantity" => $sundry_quantity
            );

            $inpatient_info->sundries = serialize($sundries);
        } else {
            $inpatient_info->sundries = '';
        }

        $ward_sundries_ids_array = $request->sundry_id;
        $ward_sundries_quantities_array = $request->sundry_quantity;
        $ward_sundries_qty_given_so_far_array = $request->sundry_quantity_dispensed_so_far;
        $ward_sundries_dates_array = $request->sundry_date;

        if (is_array($ward_sundries_ids_array)) {
            for ($j = 0; $j < count($ward_sundries_ids_array); $j++) {
                // only save if the dispensed drug quantity is not null
                $sundry_details = Sundry::find($ward_sundries_ids_array[$j]);

                if (!is_null($ward_sundries_quantities_array[$j]) && $sundry_details) {
                    $ward_sundry_dispensations = new WardSundryDispensation;
                    $ward_sundry_dispensations->patient_id = $patient_id;
                    $ward_sundry_dispensations->episode_id = $episode_id;
                    $ward_sundry_dispensations->sundry_id = $ward_sundries_ids_array[$j];
                    $ward_sundry_dispensations->quantity_given = $ward_sundries_quantities_array[$j];
                    $ward_sundry_dispensations->dispensation_date = $ward_sundries_dates_array[$j];
                    $ward_sundry_dispensations->current_chart_of_account = $sundry_details->account_id;
                    $ward_sundry_dispensations->inventory_account = $sundry_details->inventory_account;
                    $ward_sundry_dispensations->cost_of_goods_account = $sundry_details->cost_of_goods_account;
                    $ward_sundry_dispensations->cost_price = $sundry_details->cost_price;

                    /* == save the selling price at point of dispensation === */
                    $sundry_selling_price = 0;
                    if($patient_insurance_status == 1) {
                        $sundry_insurance_details = get_item_insurance_pricing($patient_id, $ward_sundries_ids_array[$j], 5, true, $request->ward_id);
                        $sundry_selling_price = $sundry_insurance_details[2];
                        $ward_sundry_dispensations->chi_price = $sundry_insurance_details[1];
                    } else {
                        $price_list_id = is_patient_category_attached_to_price_list($patient_id);
                        if ($price_list_id) {
                            $sundry_selling_price = get_price_list_category_price($price_list_id, 5, $ward_sundries_ids_array[$j]);
                        } else {
                            $sundry_selling_price = $sundry_details->non_insured_price;
                        }
                    }

                    $ward_sundry_dispensations->price = $sundry_selling_price;
                    /* ============= */

                    $ward_sundry_dispensations->ward_id = $request->ward_id;
                    $ward_sundry_dispensations->created_by = Auth::id();
                    $ward_sundry_dispensations->save();

                    reduce_ward_stock_with_consumed_quantity($ward_sundries_ids_array[$j], $ward_sundries_quantities_array[$j], 2, $request->ward_id, $patient_id, $episode_id, $ward_sundry_dispensations->id);
                }
            }
        }

        //remove any previously stored sundries that are not in this new submission/save
        $already_stored_ward_sundries_array = WardSundryDispensation::where(['episode_id' => $episode_id,'patient_id' => $patient_id,'ward_id' => $request->ward_id])->pluck('sundry_id')->toArray();

        for ($i=0; $i < count($already_stored_ward_sundries_array) ; $i++) {
            $ward_sundries_ids_array = is_null($ward_sundries_ids_array) ? [] : $ward_sundries_ids_array;
            if (is_array($ward_sundries_ids_array) && !in_array($already_stored_ward_sundries_array[$i], $ward_sundries_ids_array)) {

                $sundry_to_remove = WardSundryDispensation::where(['episode_id' => $episode_id, 'patient_id' => $patient_id,'ward_id' => $request->ward_id, 'sundry_id' => $already_stored_ward_sundries_array[$i]])->first();
                if ($sundry_to_remove) {
                    $sundry_to_remove->delete();
                }
            }
        }


        // check if any service is selected
        if (is_array($request->service_id) && !in_array(null, $request->service_id)) {
            $service_id = $request->service_id;
            $service_quantities = $request->service_quantity;

            $services = array(
                "services" => $service_id,
                "quantity" => $service_quantities
            );
            $inpatient_info->services = serialize($services);
        } else {
            $inpatient_info->services = '';
        }

        // services_unit_price
        if (is_array($request->service_unit_price) && !in_array(null, $request->service_unit_price)) {
            $inpatient_info->services_unit_price = serialize($request->service_unit_price);
        } else {
            $inpatient_info->services_unit_price = '';
        }
        // service_staff_fee
        if (is_array($request->service_staff_fee) && !in_array(null, $request->service_staff_fee)) {
            $inpatient_info->services_staff_fee = serialize($request->service_staff_fee);
        } else {
            $inpatient_info->services_staff_fee = '';
        }

        $ward_services_ids_array = $request->service_id;
        $ward_services_quantities_array = $request->service_quantity;
        $ward_services_unit_prices_array = $request->service_unit_price;
        $ward_services_staff_fees_array = $request->service_staff_fee;
        $ward_services_dates_array = $request->service_date;

        //remove any previously stored consultations and services that are not in this new submission/save
        $old_already_stored_consultation_and_services_record_ids = WardConsultationsAndService::where(['episode_id' => $episode_id,'patient_id' => $patient_id,'ward_id' =>$request->ward_id])->pluck('id')->toArray();
        $new_already_stored_consultation_and_services_record_ids = $request->ward_consultations_and_services_record_id;

        for ($i=0; $i < count($old_already_stored_consultation_and_services_record_ids) ; $i++) {
            $new_already_stored_consultation_and_services_record_ids = is_null($new_already_stored_consultation_and_services_record_ids) ? [] : $new_already_stored_consultation_and_services_record_ids;
            if (!in_array($old_already_stored_consultation_and_services_record_ids[$i], $new_already_stored_consultation_and_services_record_ids)) {
                $services_to_remove = WardConsultationsAndService::find($old_already_stored_consultation_and_services_record_ids[$i]);
                if ($services_to_remove) {
                    $services_to_remove->delete();
                }
            }
        }

        //do the dew here
        if (is_array($ward_services_ids_array)) {
            for ($j = 0; $j < count($ward_services_ids_array); $j++) {
                // only save if the dispensed drug quantity is not null
                if (!is_null($ward_services_quantities_array[$j])) {
                    $ward_services_and_consultations = new WardConsultationsAndService;
                    $ward_services_and_consultations->patient_id = $patient_id;
                    $ward_services_and_consultations->episode_id = $episode_id;
                    $ward_services_and_consultations->service_id = $ward_services_ids_array[$j];
                    $ward_services_and_consultations->quantity_given = $ward_services_quantities_array[$j];
                    $ward_services_and_consultations->unit_price = $ward_services_unit_prices_array[$j];
                    $ward_services_and_consultations->staff_fee = $ward_services_staff_fees_array[$j];

                    // get chi price if available
                    if ($patient_insurance_status == 1) {
                        $service_insurance_details = get_item_insurance_pricing($patient_id, $ward_services_ids_array[$j], 1, true, $request->ward_id);
                        $ward_services_and_consultations->chi_price = $service_insurance_details[1];
                        $ward_services_and_consultations->unit_price = $service_insurance_details[2];
                    }

                    $ward_services_and_consultations->dispensation_date = is_null($ward_services_dates_array[$j]) ? Carbon::now() : $ward_services_dates_array[$j];
                    $ward_services_and_consultations->current_chart_of_account = get_name($ward_services_ids_array[$j], "id", "account_id", "services");
                    $ward_services_and_consultations->ward_id = $request->ward_id;
                    $ward_services_and_consultations->created_by = Auth::id();
                    $ward_services_and_consultations->save();
                }
            }
        }

        // check if any extras is selected
        if (is_array($request->extra_name) && !in_array(null, $request->extra_name)) {
            $extra_name = $request->extra_name;
            $extra_cost = $request->extra_cost;
            $extras = array(
                "name" => $extra_name,
                "cost" => $extra_cost
            );
            $inpatient_info->extras = serialize($extras);
        } else {
            $inpatient_info->extras = '';
        }

        $extra_items_array = $request->extra_name ?? [];
        $extra_costs_array = $request->extra_cost ?? [];
        $extra_dates_array = $request->extra_date ?? [];

        $ward_extras_income_account = ChartOfAccount::where('slug', 'ward_extras_income_account')->first();

        if (is_array($extra_items_array)) {
            for ($k = 0; $k < count($extra_items_array); $k++) {
                // only save if the dispensed drug quantity is not null
                if (!is_null($extra_costs_array[$k])) {
                    $ward_extra = new WardExtra;
                    $ward_extra->patient_id = $patient_id;
                    $ward_extra->episode_id = $episode_id;
                    $ward_extra->extra_item = $extra_items_array[$k];
                    $ward_extra->extra_cost = $extra_costs_array[$k];
                    $ward_extra->current_chart_of_account = !is_null($ward_extras_income_account) ? $ward_extras_income_account->id : 0;
                    $ward_extra->dispensation_date = $extra_dates_array[$k];
                    $ward_extra->ward_id = $request->ward_id;
                    $ward_extra->created_by = Auth::id();
                    $ward_extra->save();
                }
            }
        }

        //remove any previously stored extras that are not in this new submission/save
        $already_stored_extra_items_array = WardExtra::where(['episode_id' => $episode_id,'patient_id' => $patient_id,'ward_id' => $request->ward_id])->pluck('extra_item')->toArray();

        for ($i=0; $i < count($already_stored_extra_items_array) ; $i++) {
            if (!in_array($already_stored_extra_items_array[$i], $extra_items_array)) {

                $extra_to_remove = WardExtra::where(['episode_id' => $episode_id, 'patient_id' => $patient_id,'ward_id' => $request->ward_id, 'extra_item' => $already_stored_extra_items_array[$i]])->first();
                if ($extra_to_remove) {
                    $extra_to_remove->delete();
                }
            }
        }

        // check if any ward treatments are selected
        if (isset($request->drugs) && is_array($request->drugs) && !in_array(null, $request->drugs)) {
            $drug_id = $request->drugs;
            $days = $request->drugs_days;
            $treatments = array(
                "drugs" => $drug_id,
                "days" => $days
            );
            $inpatient_info->ward_treatments = serialize($treatments);
        } else {
            $inpatient_info->ward_treatments = '';
        }

        // check if ward dispensing has been used
        if (isset($request->ward_dispensed_drug_id) && isset($request->ward_quantity_dispensed)) {

            $dispensed_drug_ids_array = $request->ward_dispensed_drug_id;
            $dispensed_drug_quantities_array = $request->ward_quantity_dispensed;
            $dispensed_ward_treatment_ids_array = $request->ward_treatment_id;

            if (is_array($dispensed_drug_ids_array)) {
                foreach ($dispensed_drug_ids_array as $i => $drug_id) {
                    if (!empty($dispensed_drug_quantities_array[$i])) {
                        $ward_treatment_id = $this->dispensationService->saveDispensation((int)$patient_id, (int)$episode_id, $drug_id, (int)$dispensed_drug_quantities_array[$i],
                            $dispensed_ward_treatment_ids_array[$i], $request->ward_id ?? 0);

                        if ($ward_treatment_id) {
                            //reduce the ward stock from the ward stock table
                            reduce_ward_stock_with_consumed_quantity($drug_id, $dispensed_drug_quantities_array[$i], 1, $request->ward_id, $patient_id, $episode_id, $ward_treatment_id);
                        }
                    }
                }
            }
        }

        if ($request->outcome == 2) {
            // discharged
            $inpatient_info->discharged = 1;
            $inpatient_info->discharged_on = is_null($request->discharge_date) ? null : Carbon::createFromFormat('d/m/Y', $request->discharge_date)->toDateString();
            $inpatient_info->discharged_by = Auth::id();

            /* when discharged, update the bed stays table with discharge date */
            $ward_bed_stay_active = WardBedStay::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'ward_id' => $request->ward_id, 'still_here' => 1])->first();
            if ($ward_bed_stay_active) {
                $ward_bed_stay_active->still_here = 0;
                $ward_bed_stay_active->to = is_null($ward_bed_stay_active->to) ? Carbon::createFromFormat('d/m/Y', $request->discharge_date)->toDateString() : $ward_bed_stay_active->to;
                $ward_bed_stay_active->update();
            }
            /* end of bed stay update */
        } else if ($request->outcome == 3) {
            // home with follow up
            $inpatient_info->discharged = 1;
            $inpatient_info->discharged_on = date('Y-m-d');
            $inpatient_info->discharged_by = Auth::id();
            $inpatient_info->followup_where = $request->where;
            $inpatient_info->followup_when = is_null($request->when) ? null : Carbon::createFromFormat('d/m/Y', $request->when)->toDateString();

            // get current clinic of patient if available
            $episode_information = PatientEpisode::find($episode_id);

            // save information to the follow-up table
            $patient_appointment = PatientAppointment::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->first();
            $appointment = $patient_appointment ? $patient_appointment : new PatientAppointment();
            $appointment->patient_id = $patient_id;
            $appointment->incharge_id = $request->followup_in_charge;
            $appointment->clinic_allocation = $request->followup_clinic_allocation;
            $appointment->episode_id = $episode_id;
            $appointment->appointment_date = !is_null($request->followup_when) ? Carbon::createFromFormat('d/m/Y',$request->followup_when)->toDateString() : null;
            $appointment->appointment_time = $request->followup_in_time;
            $appointment->created_from = "Inpatient";
            $appointment->created_by = Auth::id();
            $appointment->updated_by = Auth::id();
            $appointment->save();
        } else if ($request->outcome == 4) {
            // referred
            $inpatient_info->discharged = 1;
            $inpatient_info->discharged_on = date('Y-m-d');
            $inpatient_info->discharged_by = Auth::id();
            $inpatient_info->referred_to = $request->referral_id;
        } else if ($request->outcome == 5) {
            // died
            $inpatient_info->died_on = $request->died_on;
            $inpatient_info->discharged = 1;
            $inpatient_info->discharged_on = date('Y-m-d');
            $inpatient_info->discharged_by = Auth::id();
        } else if ($request->outcome == 8) {
            // ran away without paying
            $inpatient_info->discharged = 1;
            $inpatient_info->discharged_on = date('Y-m-d');
            $inpatient_info->discharged_by = Auth::id();
        }

        if ($inpatient_info->update()) {
            if($request->outcome == 2 || $request->outcome == 3 || $request->outcome == 4){
                // check if there is a discharge risk record for the patient
                $discharge_mortality = DB::table('discharge_mortality_risk')->where('inpatient_id', $request->info_id)
                    ->first();

                if (is_smart_discharge_enabled() && $discharge_mortality) {
                    perform_post_discharge_actions($patient_id, $discharge_mortality->id);
                }
            }

            //record the update into the inpatient audit table
            inpatient_sheet_audit($patient_id, $episode_id, $request);

            switch ($request->get('submit-btn')) {
                case 'order_tta':
                    // set session for the tta
                    session()->put('tta', 1);
                    return redirect('/prescriptions/create/');
                case 'ward_prescription':
                    session()->put('ward_id', $inpatient_info->ward_id);
                    // set session for the ward prescription
                    session()->put('ward_prescription', 1);
                    return redirect('/prescriptions/create/');
                case 'order_investigation':
                    // set session for the ward investigation
                    session()->put('ward_investigation', 1);
                    return redirect('/investigations/investigations_review');
                case 'billing':
                    return redirect('inpatient_billing');
                case 'cancer_protocol':
                    session()->put('inpatient_info_id', $inpatient_info->id);
                    return redirect('/cancer_protocol/order_protocol/');
                case 'save':
                default:
                    flash('Inpatient sheet has been saved')->success();

                    if (is_smart_discharge_enabled() && $request->redirect_to_pdrm_monitoring == 1) {
                        return redirect('/triage/edit_for_post_discharge/' . $inpatient_info->episode_id);
                    } else {
                        return redirect('in_patient_sheet');
                    }
            }
        } else {
            flash('An error occurred. Please contact system admin')->error();
            return redirect()->back();
        }
    }

    public function inpatient_billing(Request $request) {

        if (session('print')){
            $print_bill = 1;
            session()->forget('print');
        } else {
            $print_bill = 0;
        }

        $patient_id = session()->get('patient_id');
        $episode_id = session()->get('episode_id');
        $patient = Patient::find($patient_id);

        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('created_at', 'desc')->first();

        $treatment_to_take_away = Treatment::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'tta' => 1])->get();
        $service_deposits = ServiceDeposit::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->get();
        $patient_discount = PatientDiscount::where(['patient_category' => $patient->category_id])->select("discount", "pay_later")->first();

        if (!is_null($patient_discount)) {
            $patient_discount->toArray();
        }

        //get both ward and opd investigations
        $ordered_ward_investigations = OrderedInvestigation::where(['episode_id' => $episode_id, 'payment_status' => '0'])->get();

        // get all ordered investigations paid for in in-patient
        $inpatient_bill_info = InpatientBill::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->first();

        // set the saved opd prices here
        $saved_sundry_prices = [];
        $saved_drug_prices = [];
        $saved_procedures_prices = [];
        $saved_services_prices = [];
        $saved_tta_prices = [];
        $saved_chi_sundry_prices = [];
        $saved_chi_drug_prices = [];
        $saved_chi_procedures_prices = [];
        $saved_chi_services_prices = [];
        $saved_chi_tta_prices = [];

        if ($inpatient_bill_info) {
            $pre_sundry_ids = $inpatient_bill_info->sundries_item_ids ? explode(",", $inpatient_bill_info->sundries_item_ids) : [];
            $pre_sundry_prices = $inpatient_bill_info->sundries_item_prices ? explode(",", $inpatient_bill_info->sundries_item_prices) : [];
            $pre_sundry_chi_prices = $inpatient_bill_info->sundries_item_chi_prices ? explode(",", $inpatient_bill_info->sundries_item_chi_prices) : [];

            for ($i = 0; $i < count($pre_sundry_ids); $i++) {
                if (isset($pre_sundry_prices[$i])) {
                    $saved_sundry_prices[$pre_sundry_ids[$i]] = $pre_sundry_prices[$i];
                }

                if (isset($pre_sundry_chi_prices[$i])) {
                    $saved_chi_sundry_prices[$pre_sundry_ids[$i]] = $pre_sundry_chi_prices[$i];
                }
            }

            $pre_drug_ids = $inpatient_bill_info->prescription_treatment_item_ids ? explode(",", $inpatient_bill_info->prescription_treatment_item_ids) : [];
            $pre_drug_prices = $inpatient_bill_info->prescription_treatment_item_prices ? explode(",", $inpatient_bill_info->prescription_treatment_item_prices) : [];
            $pre_drug_chi_prices = $inpatient_bill_info->prescription_treatment_item_chi_prices ? explode(",", $inpatient_bill_info->prescription_treatment_item_chi_prices) : [];

            for ($i = 0; $i < count($pre_drug_ids); $i++) {
                if (isset($pre_drug_prices[$i])) {
                    $saved_drug_prices[$pre_drug_ids[$i]] = $pre_drug_prices[$i];
                }

                if (isset($pre_drug_chi_prices[$i])) {
                    $saved_chi_drug_prices[$pre_drug_ids[$i]] = $pre_drug_chi_prices[$i];
                }
            }

            $pre_procedure_ids = $inpatient_bill_info->procedures_item_ids ? explode(",", $inpatient_bill_info->procedures_item_ids) : [];
            $pre_procedure_prices = $inpatient_bill_info->procedures_item_prices ? explode(",", $inpatient_bill_info->procedures_item_prices) : [];
            $pre_procedure_chi_prices = $inpatient_bill_info->procedures_item_chi_prices ? explode(",", $inpatient_bill_info->procedures_item_chi_prices) : [];

            for ($i = 0; $i < count($pre_procedure_ids); $i++) {
                if (isset($pre_procedure_prices[$i])) {
                    $saved_procedures_prices[$pre_procedure_ids[$i]] = $pre_procedure_prices[$i];
                }

                if (isset($pre_procedure_chi_prices[$i])) {
                    $saved_chi_procedures_prices[$pre_procedure_ids[$i]] = $pre_procedure_chi_prices[$i];
                }
            }

            $pre_service_ids = $inpatient_bill_info->services_item_ids ? explode(",", $inpatient_bill_info->services_item_ids) : [];
            $pre_service_prices = $inpatient_bill_info->services_item_prices ? explode(",", $inpatient_bill_info->services_item_prices) : [];
            $pre_service_chi_prices = $inpatient_bill_info->services_item_chi_prices ? explode(",", $inpatient_bill_info->services_item_chi_prices) : [];

            for ($i = 0; $i < count($pre_service_ids); $i++) {
                if (isset($pre_service_prices[$i])) {
                    $saved_services_prices[$pre_service_ids[$i]] = $pre_service_prices[$i];
                }

                if (isset($pre_service_chi_prices[$i])) {
                    $saved_chi_services_prices[$pre_service_ids[$i]] = $pre_service_chi_prices[$i];
                }
            }

            $pre_tta_ids = $inpatient_bill_info->tta_item_ids ? explode(",", $inpatient_bill_info->tta_item_ids) : [];
            $pre_tta_prices = $inpatient_bill_info->tta_item_prices ? explode(",", $inpatient_bill_info->tta_item_prices) : [];
            $pre_tta_chi_prices = $inpatient_bill_info->tta_item_chi_prices ? explode(",", $inpatient_bill_info->tta_item_chi_prices) : [];

            for ($i = 0; $i < count($pre_tta_ids); $i++) {
                if (isset($pre_tta_prices[$i])) {
                    $saved_tta_prices[$pre_tta_ids[$i]] = $pre_tta_prices[$i];
                }

                if (isset($pre_tta_chi_prices[$i])) {
                    $saved_chi_tta_prices[$pre_tta_ids[$i]] = $pre_tta_chi_prices[$i];
                }
            }
        }

        // get ward dispensing details if available
        $ward_treatment_drug_ids_that_have_been_dispensed_array = WardTreatmentDispensation::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->whereNull('deleted_at')->distinct('drug_id')->pluck('drug_id')->toArray();
        $dispensed_drug_quantity_given_array = [];

        for ($i = 0; $i < count($ward_treatment_drug_ids_that_have_been_dispensed_array); $i++) {
            $drug_ward_quantity_given = WardTreatmentDispensation::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'drug_id' => $ward_treatment_drug_ids_that_have_been_dispensed_array[$i]])->sum('quantity_given');
            $dispensed_drug_quantity_given_array[$ward_treatment_drug_ids_that_have_been_dispensed_array[$i]] = $drug_ward_quantity_given;
        }

        $price_list_categories = PriceListCategories::select('patient_category_id', 'id')->get();

        if (isset($request->price_list_category_id) && $request->price_list_category_id != 0) {
            $price_list_set = $request->price_list_category_id;
        } else {
            $price_list_set = false;
        }

        //if the price list was changed before, continue using the price list that was set the last time
        /* if($inpatient_bill_info && !is_null($inpatient_bill_info->price_list)){
            $price_list_set = $inpatient_bill_info->price_list;
        } */

        // Check for anaesthesia in this episode
        $anaesthesia = DB::table('anaesthesias')->where('episode_id', $episode_id)->select('other_drugs_given', 'other_drugs_cost', 'other_drugs_bill')->first();
        $services_with_users_array = InpatientController::configured_users_with_their_services_array();

        $service_items = Services::withTrashed()->orderBy('name','asc')->pluck('name', 'id')->prepend('- select -', '');
        $users_collection = DB::table('users')->orderBy("first_name","asc")->select("id")->get()->toArray();
        $service_with_users_array = [];
        $users_array = [];
        $options_users = "";
        foreach ($users_collection as $value){
            $user = User::find($value->id);
            if (!is_null($user)) {
                $users_array[$user->id] = $user->first_name . " ". $user->last_name;
                $options_users .= "<option value='" . $user->id . "'>" . $user->first_name . " ". $user->last_name . "</option>";
                if ($user->hasRole('Doctors') || $user->hasRole('Doctor')) {
                    //use this join query instead of the commented out query to cater for execution speed (N+1)
                    $consultation_records = DB::table('services')
                        ->join('staff_payment_configurations','staff_payment_configurations.item_id', '=', 'services.id')
                        ->where('staff_payment_configurations.user_id',$value->id)
                        ->where('staff_payment_configurations.item_category',3)
                        ->orderBy('staff_payment_configurations.created_at','asc')
                        ->select('services.*')
                        ->get();

                    foreach ($consultation_records as $record) {
                        $users_consultation_fee = $record->non_insured_price;
                        //concatenate the service_record_id with the users_id to form the key for the array
                        $dynamic_key = $record->id."__".$value->id;
                        $dynamic_value = get_full_name($value->id, 'id', 'first_name', 'last_name', 'users')." (".$record->name.")";

                        $service_with_users_array[$dynamic_key] = $dynamic_value;

                        //add these dynamically formed values to service_items array
                        array_add($service_items, $dynamic_key, $dynamic_value);
                        //add it to the services_options too i.e used when user clicks add_service btn
                    }
                }
            }
        }

        $sundries = Sundry::where('available', 1)->orderby('name', 'asc')->pluck('name', 'id')->prepend('- select -', '');

        //check for authenticated investigations
        $investigation_results = InvestigationResults::where(['patient_id' => $patient_id,'episode_id' => $episode_id ,'inpatient' => 1])->get();

        return view('ward_management::inpatient.inpatient_billing', compact('patient', 'dispensed_drug_quantity_given_array','patient', 'inpatient_info', 'patient_id', 'saved_sundry_prices','treatment_to_take_away', 'service_deposits', 'patient_discount', 'episode_id', 'ordered_ward_investigations', 'saved_chi_tta_prices',
            'price_list_categories', 'price_list_set', 'anaesthesia', 'print_bill', 'services_with_users_array', 'service_items', 'sundries', 'investigation_results', 'inpatient_bill_info', 'saved_drug_prices', 'saved_procedures_prices', 'saved_services_prices', 'saved_tta_prices', 'saved_chi_sundry_prices', 'saved_chi_drug_prices', 'saved_chi_procedures_prices', 'saved_chi_services_prices'));
    }

    public function store_inpatient_bill(Request $request) {

        $patient_id = session()->get('patient_id');
        $episode_id = session()->get('episode_id');
        $insurance_claims = [];

        // generate receipt number
        $receipt_number = $this->receiptService->createReceipt('Inpatient Bill');

        // begin transaction
        DB::beginTransaction();

        try {
            // store ward investigations and there dynamic prices
            $ward_investigations_array = $request->investigations_item_ids;
            $ward_investigations_amounts_array = $request->investigation_amount;
            $ward_investigations_insurance_amounts_array = $request->investigation_insurance_amount;
            $ward_investigation_order_ids = $request->investigation_order_ids;
            $investigations_tariff_ids = $request->investigations_tariff_ids;
            $investigations_benefit_ids = $request->investigations_benefit_ids;
            $ward_inv_pricing_ids = $request->ward_inv_pricing_ids;
            $orders_with_pricing = [];

            if (is_array($ward_investigations_array)) {
                for ($i=0; $i < count($ward_investigations_array) ; $i++) {
                    $ward_inv_pricing = WardInvestigationPricing::find($ward_inv_pricing_ids[$i]);

                    if (!$ward_inv_pricing) {
                        $ward_inv_pricing = new WardInvestigationPricing();
                        $ward_inv_pricing->patient_id = $patient_id;
                        $ward_inv_pricing->episode_id = $episode_id;
                        $ward_inv_pricing->investigation_id = $ward_investigations_array[$i];
                        $ward_inv_pricing->order_id = $ward_investigation_order_ids[$i];
                        $ward_inv_pricing->ward_id = get_name($request->inpatient_info_id, "id", "ward_id", "inpatient_info");
                        $ward_inv_pricing->current_chart_of_account = get_name($ward_investigations_array[$i], "id", "account_id", "investigations");
                        $ward_inv_pricing->created_by = Auth::id();
                    }

                    $ward_inv_pricing->price = $ward_investigations_amounts_array[$i];
                    $ward_inv_pricing->chi_price = $ward_investigations_insurance_amounts_array[$i];
                    $ward_inv_pricing->save();

                    $orders_with_pricing[$ward_investigation_order_ids[$i]][] = $ward_inv_pricing->id;

                    // check if benefit is valid and save item
                    if ($investigations_benefit_ids[$i] != 0) {
                        $insurance_claims[3]["benefit_ids"][] = $investigations_benefit_ids[$i];
                        $insurance_claims[3]["item_ids"][] = $ward_investigations_array[$i];
                        $insurance_claims[3]["item_quantities"][] = 1;
                        $insurance_claims[3]["tariff_ids"][] = $investigations_tariff_ids[$i];
                        $insurance_claims[3]["tariff_amounts"][] = $ward_investigations_insurance_amounts_array[$i];
                        $insurance_claims[3]["co_payment_amounts"][] = $ward_investigations_amounts_array[$i];
                        $insurance_claims[3]["item_cash_amounts"][] = $ward_investigations_insurance_amounts_array[$i] + $ward_investigations_amounts_array[$i];
                    }
                }
            }

            // ward treatments
            $ward_treatments_ids = $request->prescription_treatment_item_ids ?? [];
            $ward_treatment_amounts = $request->prescription_treatment_item_prices ?? [];
            $ward_treatment_insurance = $request->drug_unit_insurance_amount ?? [];
            $ward_treatment_tariff_ids = $request->prescription_treatment_tariff_ids ?? [];
            $ward_treatment_benefit_ids = $request->prescription_treatment_benefit_ids ?? [];
            $ward_treatment_quantities = $request->ward_drug_quantity ?? [];
            $ward_treatment_subtotal = $request->drug_subtotal ?? [];
            $ward_treatment_subtotal_insurance = $request->drug_insurance_amount ?? [];

            for ($i=0; $i < count($ward_treatments_ids); $i++) {
                $ward_treatment = WardTreatmentDispensation::where(['patient_id' =>  $patient_id, 'episode_id' => $episode_id, 'drug_id' =>  $ward_treatments_ids[$i]])->first();

                if ($ward_treatment) {
                    $ward_treatment->price = $ward_treatment_amounts[$i] ?? 0;
                    $ward_treatment->chi_price = $ward_treatment_insurance[$i] ?? 0;
                    $ward_treatment->update();

                    // check if benefit is valid and save item
                    if ($ward_treatment_benefit_ids[$i] != 0) {
                        $insurance_claims[4]["benefit_ids"][] = $ward_treatment_benefit_ids[$i];
                        $insurance_claims[4]["item_ids"][] = $ward_treatments_ids[$i];
                        $insurance_claims[4]["item_quantities"][] = (int)$ward_treatment_quantities[$i];
                        $insurance_claims[4]["tariff_ids"][] = $ward_treatment_tariff_ids[$i];
                        $insurance_claims[4]["tariff_amounts"][] = $ward_treatment_subtotal_insurance[$i];
                        $insurance_claims[4]["co_payment_amounts"][] = $ward_treatment_subtotal[$i];
                        $insurance_claims[4]["item_cash_amounts"][] = $ward_treatment_subtotal_insurance[$i] + $ward_treatment_subtotal[$i];
                    }
                }
            }

            // ward services
            $ward_service_ids = $request->services_item_ids ?? [];
            $ward_service_amounts = $request->services_item_prices ?? [];
            $ward_service_insurance = $request->service_insurance_unit ?? [];
            $ward_service_benefit_ids = $request->service_benefit_ids ?? [];
            $ward_service_tariff_ids = $request->service_tariff_ids ?? [];
            $ward_service_quantity = $request->service_quantity ?? [];
            $ward_service_total_cost = $request->service_total_cost ?? [];
            $ward_service_total_insurance = $request->service_insurance_amount ?? [];

            for ($i=0; $i < count($ward_service_ids); $i++) {
                $ward_service = WardConsultationsAndService::where(['patient_id' =>  $patient_id, 'episode_id' => $episode_id, 'service_id' =>  $ward_service_ids[$i]])->first();

                if ($ward_service) {
                    $ward_service->unit_price = $ward_service_amounts[$i] ?? 0;
                    $ward_service->chi_price = $ward_service_insurance[$i] ?? 0;
                    $ward_service->update();

                    // check if benefit is valid and save item
                    if ($ward_service_benefit_ids[$i] != 0) {
                        $insurance_claims[1]["benefit_ids"][] = $ward_service_benefit_ids[$i];
                        $insurance_claims[1]["item_ids"][] = $ward_service_ids[$i];
                        $insurance_claims[1]["item_quantities"][] = $ward_service_quantity[$i];
                        $insurance_claims[1]["tariff_ids"][] = $ward_service_tariff_ids[$i];
                        $insurance_claims[1]["tariff_amounts"][] = $ward_service_total_insurance[$i];
                        $insurance_claims[1]["co_payment_amounts"][] = $ward_service_total_cost[$i];
                        $insurance_claims[1]["item_cash_amounts"][] = $ward_service_total_insurance[$i] + $ward_service_total_cost[$i];
                    }
                }
            }

            // ward sundries
            $ward_sundry_ids = $request->sundries_item_ids ?? [];
            $ward_sundry_amounts = $request->sundries_item_prices ?? [];
            $ward_sundry_insurance = $request->sundry_unit_insurance_amount ?? [];
            $ward_sundry_tariff_ids = $request->sundries_tariff_ids ?? [];
            $ward_sundry_benefit_ids = $request->sundries_benefit_ids ?? [];
            $ward_sundry_quantity = $request->sundry_quantity_given ?? [];
            $ward_sundry_subtotal = $request->sundry_subtotal ?? [];
            $ward_sundry_subtotal_insurance = $request->sundry_insurance_amount ?? [];

            for ($i=0; $i < count($ward_sundry_ids); $i++) {
                $ward_sundry = WardSundryDispensation::where(['patient_id' =>  $patient_id, 'episode_id' => $episode_id, 'sundry_id' =>  $ward_sundry_ids[$i]])->first();

                if ($ward_sundry) {
                    $ward_sundry->price = $ward_sundry_amounts[$i] ?? 0;
                    $ward_sundry->chi_price = $ward_sundry_insurance[$i] ?? 0;
                    $ward_sundry->update();

                    // check if benefit is valid and save item
                    if ($ward_sundry_benefit_ids[$i] != 0) {
                        $insurance_claims[5]["benefit_ids"][] = $ward_sundry_benefit_ids[$i];
                        $insurance_claims[5]["item_ids"][] = $ward_sundry_ids[$i];
                        $insurance_claims[5]["item_quantities"][] = $ward_sundry_quantity[$i];
                        $insurance_claims[5]["tariff_ids"][] = $ward_sundry_tariff_ids[$i];
                        $insurance_claims[5]["tariff_amounts"][] = $ward_sundry_subtotal_insurance[$i];
                        $insurance_claims[5]["co_payment_amounts"][] = $ward_sundry_subtotal[$i];
                        $insurance_claims[5]["item_cash_amounts"][] = $ward_sundry_subtotal_insurance[$i] + $ward_sundry_subtotal[$i];
                    }
                }
            }

            // ward procedures
            $ward_procedure_ids = $request->procedures_item_ids ?? [];
            $ward_procedure_amounts = $request->ipd_procedure_amount ?? [];
            $ward_procedure_insurance = $request->ipd_procedure_insurance_amount ?? [];
            $ward_procedure_benefit_ids = $request->ipd_procedure_benefit_ids ?? [];
            $ward_procedure_tariff_ids = $request->ipd_procedure_tariff_ids ?? [];
            $ward_procedure_order_ids = $request->ipd_procedure_order_ids ?? [];

            for ($i=0; $i < count($ward_procedure_ids); $i++) {
                $ward_procedure = WardProcedure::where('id', $ward_procedure_order_ids[$i])->first();

                if ($ward_procedure) {
                    $ward_procedure->hospital_fee = $ward_procedure_amounts[$i] ?? 0;
                    $ward_procedure->chi_price = $ward_procedure_insurance[$i] ?? 0;
                    $ward_procedure->update();

                    // check if benefit is valid and save item
                    if ($ward_procedure_benefit_ids[$i] != 0) {
                        $insurance_claims[2]["benefit_ids"][] = $ward_procedure_benefit_ids[$i];
                        $insurance_claims[2]["item_ids"][] = $ward_procedure_ids[$i];
                        $insurance_claims[2]["item_quantities"][] = 1;
                        $insurance_claims[2]["tariff_ids"][] = $ward_procedure_tariff_ids[$i];
                        $insurance_claims[2]["tariff_amounts"][] = $ward_procedure_insurance[$i];
                        $insurance_claims[2]["co_payment_amounts"][] = $ward_procedure_amounts[$i];
                        $insurance_claims[2]["item_cash_amounts"][] = $ward_procedure_insurance[$i] + $ward_procedure_amounts[$i];
                    }
                }
            }

            // make claims for items if insured
            if ($request->patient_insurance_status == 1) {
                $opd_treatment_item = $request->opd_treatment_item ?? [];
                $opd_treatment_tariff = $request->opd_treatment_tariff ?? [];
                $opd_treatment_benefit = $request->opd_treatment_benefit ?? [];
                $opd_treatment_quantity = $request->opd_treatment_quantity ?? [];
                $opd_treatment_subtotal = $request->opd_treatment_subtotal ?? [];
                $opd_treatment_insurance_amount = $request->opd_treatment_insurance_amount ?? [];

                for ($i=0; $i < count($opd_treatment_item); $i++) {
                    if ($opd_treatment_benefit[$i] != 0) {
                        $insurance_claims[4]["benefit_ids"][] = $opd_treatment_benefit[$i];
                        $insurance_claims[4]["item_ids"][] = $opd_treatment_item[$i];
                        $insurance_claims[4]["item_quantities"][] = (int)$opd_treatment_quantity[$i];
                        $insurance_claims[4]["tariff_ids"][] = $opd_treatment_tariff[$i];
                        $insurance_claims[4]["tariff_amounts"][] = $opd_treatment_insurance_amount[$i];
                        $insurance_claims[4]["co_payment_amounts"][] = $opd_treatment_subtotal[$i];
                        $insurance_claims[4]["item_cash_amounts"][] = $opd_treatment_insurance_amount[$i] + $opd_treatment_subtotal[$i];
                    }
                }

                $tta_drugs_array = $request->tta_drugs_array ?? [];
                $tta_tariff_ids = $request->tta_tariff_ids ?? [];
                $tta_benefit_ids = $request->tta_benefit_ids ?? [];
                $tta_quantity = $request->tta_quantity ?? [];
                $tta_amount = $request->tta_amount ?? [];
                $tta_insurance_amount = $request->tta_insurance_amount ?? [];

                for ($i=0; $i < count($tta_drugs_array); $i++) {
                    if ($tta_benefit_ids[$i] != 0) {
                        $insurance_claims[4]["benefit_ids"][] = $tta_benefit_ids[$i];
                        $insurance_claims[4]["item_ids"][] = $tta_drugs_array[$i];
                        $insurance_claims[4]["item_quantities"][] = (int)$tta_quantity[$i];
                        $insurance_claims[4]["tariff_ids"][] = $tta_tariff_ids[$i];
                        $insurance_claims[4]["tariff_amounts"][] = $tta_amount[$i];
                        $insurance_claims[4]["co_payment_amounts"][] = $tta_insurance_amount[$i];
                        $insurance_claims[4]["item_cash_amounts"][] = $tta_amount[$i] + $tta_insurance_amount[$i];
                    }
                }

                $opd_service_id = $request->opd_service_id ?? [];
                $opd_service_benefit_ids = $request->opd_service_benefit_ids ?? [];
                $opd_service_tariff_ids = $request->opd_service_tariff_ids ?? [];
                $opd_service_quantity = $request->opd_service_quantity ?? [];
                $opd_service_amount = $request->opd_service_amount ?? [];
                $opd_service_insurance_amount = $request->opd_service_insurance_amount ?? [];

                for ($i=0; $i < count($opd_service_id); $i++) {
                    if ($opd_service_benefit_ids[$i] != 0) {
                        $insurance_claims[1]["benefit_ids"][] = $opd_service_benefit_ids[$i];
                        $insurance_claims[1]["item_ids"][] = $opd_service_id[$i];
                        $insurance_claims[1]["item_quantities"][] = $opd_service_quantity[$i];
                        $insurance_claims[1]["tariff_ids"][] = $opd_service_tariff_ids[$i];
                        $insurance_claims[1]["tariff_amounts"][] = $opd_service_insurance_amount[$i];
                        $insurance_claims[1]["co_payment_amounts"][] = $opd_service_amount[$i];
                        $insurance_claims[1]["item_cash_amounts"][] = $opd_service_insurance_amount[$i] + $opd_service_amount[$i];
                    }
                }

                $opd_sundries_ids = $request->opd_sundries_ids ?? [];
                $opd_sundries_benefit_ids = $request->opd_sundries_benefit_ids ?? [];
                $opd_sundries_tariff_ids = $request->opd_sundries_tariff_ids ?? [];
                $opd_sundry_quantity = $request->opd_sundry_quantity ?? [];
                $opd_sundry_subtotal = $request->opd_sundry_subtotal ?? [];
                $opd_sundry_insurance_amount = $request->opd_sundry_insurance_amount ?? [];

                for ($i=0; $i < count($opd_sundries_ids); $i++) {
                    if ($opd_sundries_benefit_ids[$i] != 0) {
                        $insurance_claims[5]["benefit_ids"][] = $opd_sundries_benefit_ids[$i];
                        $insurance_claims[5]["item_ids"][] = $opd_sundries_ids[$i];
                        $insurance_claims[5]["item_quantities"][] = $opd_sundry_quantity[$i];
                        $insurance_claims[5]["tariff_ids"][] = $opd_sundries_tariff_ids[$i];
                        $insurance_claims[5]["tariff_amounts"][] = $opd_sundry_subtotal[$i];
                        $insurance_claims[5]["co_payment_amounts"][] = $opd_sundry_insurance_amount[$i];
                        $insurance_claims[5]["item_cash_amounts"][] = $opd_sundry_subtotal[$i] + $opd_sundry_insurance_amount[$i];
                    }
                }

                $opd_procedure_ids = $request->opd_procedure_ids ?? [];
                $opd_procedure_benefit_ids = $request->opd_procedure_benefit_ids ?? [];
                $opd_procedure_tariff_ids = $request->opd_procedure_tariff_ids ?? [];
                $opd_procedure_amount = $request->opd_procedure_amount ?? [];
                $opd_procedure_insurance_amount = $request->opd_procedure_insurance_amount ?? [];

                for ($i=0; $i < count($opd_procedure_ids); $i++) {
                    if ($opd_procedure_benefit_ids[$i] != 0) {
                        $insurance_claims[2]["benefit_ids"][] = $opd_procedure_benefit_ids[$i];
                        $insurance_claims[2]["item_ids"][] = $opd_procedure_ids[$i];
                        $insurance_claims[2]["item_quantities"][] = 1;
                        $insurance_claims[2]["tariff_ids"][] = $opd_procedure_tariff_ids[$i];
                        $insurance_claims[2]["tariff_amounts"][] = $opd_procedure_insurance_amount[$i];
                        $insurance_claims[2]["co_payment_amounts"][] = $opd_procedure_amount[$i];
                        $insurance_claims[2]["item_cash_amounts"][] = $opd_procedure_insurance_amount[$i] + $opd_procedure_amount[$i];
                    }
                }

                $ward_bed_stays = WardBedStay::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->whereNotIn('chi_bed_rate_id', [0])->get();

                foreach ($ward_bed_stays as $stay) {
                    $rate_info = DB::table('insurance_inpatient_accommodation_rates')->where('id', $stay->chi_bed_rate_id)->first();

                    if($rate_info) {
                        $insurance_claims[6]["benefit_ids"][] = $rate_info->benefit_id;
                        $insurance_claims[6]["item_ids"][] = $rate_info->id;
                        $insurance_claims[6]["item_quantities"][] = $stay->duration;
                        $insurance_claims[6]["tariff_ids"][] = 0;
                        $insurance_claims[6]["tariff_amounts"][] = $stay->chi_bed_fee_total;
                        $insurance_claims[6]["co_payment_amounts"][] = $stay->bed_fee_total;
                        $insurance_claims[6]["item_cash_amounts"][] = $stay->chi_bed_fee_total + $stay->bed_fee_total;
                    }
                }
            }

            // check if any investigations are available
            if ($request->investigation_ids) {
                $inpatient_info = InpatientInfo::find($request->inpatient_info_id);
                $inpatient_info->investigation_ids = $request->investigation_ids;
                $inpatient_info->update();

                $order_ids_array = $request->investigation_order_ids;

                // update the ordered_investigation table to show it has been paid
                for ($i = 0; $i < count($order_ids_array); $i++) {
                    OrderedInvestigation::where(['id' => $order_ids_array[$i]])
                        ->update([
                            'inpatient_bill_generated' => 1, 'ward_pricing_id' => implode(",", $orders_with_pricing[$order_ids_array[$i]])
                        ]);
                    remove_insurance_claim_by_order($order_ids_array[$i], 3);
                }
            }

            /* start unpaid opd items black magic */
            if ($request->opd_treatment_cost) {
                $opd_ordered_treatments = [];
                for ($i=0; $i < count($request->opd_treatment_id) ; $i++) {
                    $drug_details = DB::table('drugs')->find($request->opd_treatment_item[$i]);
                    $opd_ordered_treatments[$request->opd_treatment_id[$i]]['amount_paid'][] = $request->opd_treatment_subtotal[$i];
                    $opd_ordered_treatments[$request->opd_treatment_id[$i]]['current_chart_of_account'][] = $drug_details->account_id;
                    $opd_ordered_treatments[$request->opd_treatment_id[$i]]['unit_selling_prices'][] = $request->opd_treatment_amount[$i];
                    $opd_ordered_treatments[$request->opd_treatment_id[$i]]['unit_cost_price'][] = $drug_details->cost_price;
                    $opd_ordered_treatments[$request->opd_treatment_id[$i]]['cost_of_goods_account'][] = $drug_details->cost_of_goods_account;
                    $opd_ordered_treatments[$request->opd_treatment_id[$i]]['inventory_account'][] = $drug_details->inventory_account;
                    $opd_ordered_treatments[$request->opd_treatment_id[$i]]['bill_generated'] = $request->opd_inpatient_bill_generated[$i];
                }

                foreach ($opd_ordered_treatments as $key => $opd_ordered_treatment) {
                    if ($opd_ordered_treatment['bill_generated'] == 0) {
                        Treatment::where(['id' => $key])->update([
                            'inpatient_bill_generated' => 1, 'balance' => implode(",", $opd_ordered_treatment['amount_paid']),
                            'current_chart_of_account' => implode(",", $opd_ordered_treatment['current_chart_of_account']), 'unit_selling_prices' => implode(",", $opd_ordered_treatment['unit_selling_prices']),
                            'cost_of_goods_account' => implode(",", $opd_ordered_treatment['cost_of_goods_account']), 'unit_cost_price' => implode(",", $opd_ordered_treatment['unit_cost_price']),
                            'inventory_account' => implode(",", $opd_ordered_treatment['inventory_account']), 'amount_paid' => implode(",", array_fill(0, count($opd_ordered_treatment['amount_paid']), 0)),
                        ]);
                    } else {
                        Treatment::where(['id' => $key])->update([
                            'unit_selling_prices' => implode(",", $opd_ordered_treatment['unit_selling_prices'])
                        ]);
                    }

                    remove_insurance_claim_by_order($key, 4);
                }
            }

            if ($request->tta_treatment_id) {
                $tta_treatments = [];
                for ($i=0; $i < count($request->tta_treatment_id) ; $i++) {
                    $drug_details = DB::table('drugs')->find($request->tta_drugs_array[$i]);
                    $tta_treatments[$request->tta_treatment_id[$i]]['amount_paid'][] = $request->tta_amount[$i];
                    $tta_treatments[$request->tta_treatment_id[$i]]['current_chart_of_account'][] = $drug_details->account_id;
                    $tta_treatments[$request->tta_treatment_id[$i]]['unit_selling_prices'][] = $request->tta_unit_cost[$i];
                    $tta_treatments[$request->tta_treatment_id[$i]]['unit_cost_price'][] = $drug_details->cost_price;
                    $tta_treatments[$request->tta_treatment_id[$i]]['cost_of_goods_account'][] = $drug_details->cost_of_goods_account;
                    $tta_treatments[$request->tta_treatment_id[$i]]['inventory_account'][] = $drug_details->inventory_account;
                    $tta_treatments[$request->tta_treatment_id[$i]]['bill_generated'] = $request->tta_inpatient_bill_generated[$i];
                }

                foreach ($tta_treatments as $key => $tta_treatment) {
                    if ($tta_treatment['bill_generated'] == 0) {
                        Treatment::where(['id' => $key])->update([
                            'inpatient_bill_generated' => 1, 'balance' => implode(",", $tta_treatment['amount_paid']),
                            'current_chart_of_account' => implode(",", $tta_treatment['current_chart_of_account']), 'unit_selling_prices' => implode(",", $tta_treatment['unit_selling_prices']),
                            'cost_of_goods_account' => implode(",", $tta_treatment['cost_of_goods_account']), 'unit_cost_price' => implode(",", $tta_treatment['unit_cost_price']),
                            'inventory_account' => implode(",", $tta_treatment['inventory_account']), 'amount_paid' => implode(",", array_fill(0, count($tta_treatment['amount_paid']), 0)),
                        ]);
                    } else {
                        Treatment::where(['id' => $key])->update([
                            'unit_selling_prices' => implode(",", $tta_treatment['unit_selling_prices'])
                        ]);
                    }

                    remove_insurance_claim_by_order($key, 4);
                }
            }

            if ($request->opd_sundries_cost) {
                $sundry_order_ids_array = explode(",", $request->opd_sundry_order_ids);
                for ($i=0; $i < count($sundry_order_ids_array) ; $i++) {
                    OrderedSundry::where(['id' => $sundry_order_ids_array[$i]])->update(['inpatient_bill_generated' => 1]);
                    remove_insurance_claim_by_order($sundry_order_ids_array[$i], 5);
                }

                $arr_opd_sundries_ids = $request->opd_sundries_ids;
                $arr_opd_sundry_insurance_unit = $request->opd_sundry_insurance_unit;
                $arr_opd_sundry_quantity = $request->opd_sundry_quantity;
                $arr_opd_sundry_subtotal = $request->opd_sundry_subtotal;

                for ($i=0; $i < count($arr_opd_sundries_ids) ; $i++) {
                    $sundry_details = Sundry::find($arr_opd_sundries_ids[$i]);

                    $ward_sundry_dispensations = new WardSundryDispensation;
                    $ward_sundry_dispensations->patient_id = $patient_id;
                    $ward_sundry_dispensations->episode_id = $episode_id;
                    $ward_sundry_dispensations->sundry_id = $arr_opd_sundries_ids[$i];
                    $ward_sundry_dispensations->quantity_given = $arr_opd_sundry_quantity[$i];
                    $ward_sundry_dispensations->dispensation_date = Carbon::now();
                    $ward_sundry_dispensations->current_chart_of_account = $sundry_details->account_id;
                    $ward_sundry_dispensations->inventory_account = $sundry_details->inventory_account;
                    $ward_sundry_dispensations->cost_of_goods_account = $sundry_details->cost_of_goods_account;
                    $ward_sundry_dispensations->cost_price = $sundry_details->cost_price;
                    $ward_sundry_dispensations->chi_price = $arr_opd_sundry_insurance_unit[$i];
                    $ward_sundry_dispensations->price = $arr_opd_sundry_subtotal[$i];
                    $ward_sundry_dispensations->ward_id = get_name($request->inpatient_info_id, "id", "ward_id", "inpatient_info");
                    $ward_sundry_dispensations->created_by = Auth::id();
                    $ward_sundry_dispensations->save();
                }
            }

            if ($request->opd_services_cost) {
                $services_order_ids_array = $request->opd_service_order_id;
                for ($i=0; $i < count($services_order_ids_array) ; $i++) {
                    OrderedService::where(['id' => $services_order_ids_array[$i]])->update(['inpatient_bill_generated' => 1]);
                    remove_insurance_claim_by_order($services_order_ids_array[$i], 1);
                }

                $arr_opd_service_id = $request->opd_service_id;
                $arr_opd_service_unit_cost = $request->opd_service_unit_cost;
                $arr_opd_service_insurance_unit = $request->opd_service_insurance_unit;
                $arr_opd_service_quantity = $request->opd_service_quantity;

                for ($i=0; $i < count($arr_opd_service_id) ; $i++) {
                    $ward_services_and_consultations = new WardConsultationsAndService;
                    $ward_services_and_consultations->patient_id = $patient_id;
                    $ward_services_and_consultations->episode_id = $episode_id;
                    $ward_services_and_consultations->service_id = $arr_opd_service_id[$i];
                    $ward_services_and_consultations->quantity_given = $arr_opd_service_quantity[$i];
                    $ward_services_and_consultations->unit_price = $arr_opd_service_unit_cost[$i];
                    $ward_services_and_consultations->staff_fee = 0;
                    $ward_services_and_consultations->chi_price = $arr_opd_service_insurance_unit[$i];
                    $ward_services_and_consultations->dispensation_date = Carbon::now();
                    $ward_services_and_consultations->current_chart_of_account = get_name($arr_opd_service_id[$i], "id", "account_id", "services");
                    $ward_services_and_consultations->ward_id = get_name($request->inpatient_info_id, "id", "ward_id", "inpatient_info");
                    $ward_services_and_consultations->created_by = Auth::id();
                    $ward_services_and_consultations->save();
                }
            }

            if ($request->opd_procedures_cost) {
                $procedure_order_ids_array = explode(",", $request->opd_procedure_order_ids);
                for ($i=0; $i < count($procedure_order_ids_array) ; $i++) {
                    OrderedProcedure::where(['id' => $procedure_order_ids_array[$i]])->update(['inpatient_bill_generated' => 1]);
                    remove_insurance_claim_by_order($procedure_order_ids_array[$i], 2);
                }

                $arr_opd_procedure_ids = $request->opd_procedure_ids;
                $arr_opd_procedure_insurance_amount = $request->opd_procedure_insurance_amount;
                $arr_opd_procedure_amount = $request->opd_procedure_amount;

                for ($x=0; $x < count($arr_opd_procedure_ids) ; $x++) {
                    $ward_procedures_record = new WardProcedure;
                    $ward_procedures_record->patient_id = $patient_id;
                    $ward_procedures_record->episode_id = $episode_id;
                    $ward_procedures_record->procedure_id = $arr_opd_procedure_ids[$x];
                    $ward_procedures_record->hospital_fee = $arr_opd_procedure_amount[$x];
                    $ward_procedures_record->staff_fee = 0;
                    $ward_procedures_record->chi_price = $arr_opd_procedure_insurance_amount[$x];
                    $ward_procedures_record->procedure_date = Carbon::now();
                    $ward_procedures_record->ward_id = get_name($request->inpatient_info_id, "id", "ward_id", "inpatient_info");
                    $ward_procedures_record->eye = null;
                    $ward_procedures_record->current_chart_of_account = get_name($arr_opd_procedure_ids[$x], "id", "account_id", "procedures");
                    $ward_procedures_record->created_by = Auth::id();
                    $ward_procedures_record->save();
                }
            }

            $inpatient_bill = InpatientBill::where(['patient_id'=>$patient_id, 'episode_id'=>$episode_id])->first();

            if (is_null($inpatient_bill)) {
                // create new record
                $inpatient_bill = new InpatientBill;
                $inpatient_bill->patient_id = $patient_id;
                $inpatient_bill->episode_id = $episode_id;
                $inpatient_bill->created_by = Auth::id();
            } else {
                $inpatient_bill->updated_by = Auth::id();
            }

            //determine whether to update the prices in the ward table or not to allow retrospective billing
            if (!is_null($request->billing_price_list)) {
                $this->update_ward_consumption_prices_with_price_list($patient_id, $episode_id, $request->billing_price_list);
            }

            $inpatient_bill->price_list = $request->billing_price_list;
            $inpatient_bill->duration = $request->duration;
            $inpatient_bill->receipt_number = $receipt_number;
            $inpatient_bill->inpatient_info_id = $request->inpatient_info_id;
            $inpatient_bill->treatment_cost = ($request->treatment_cost ?? 0) + ($request->opd_treatment_cost ?? 0);
            $inpatient_bill->sundries_cost = ($request->sundries_cost ?? 0) + ($request->opd_sundries_cost ?? 0);
            $inpatient_bill->services_cost = ($request->services_cost ?? 0) + ($request->opd_services_cost ?? 0);
            $inpatient_bill->procedures_cost = ($request->procedures_cost ?? 0) + ($request->opd_procedures_cost ?? 0);
            $inpatient_bill->extras_cost = $request->extras_cost;
            $inpatient_bill->tta_cost = $request->tta_cost;
            $inpatient_bill->investigation_cost = $request->investigation_cost ?? 0;
            $inpatient_bill->insurance_hospital_stay_cost = $request->insurance_admission_cost ?? 0;
            $inpatient_bill->hospital_stay_cost = $request->ward_bed_admission_cost ?? 0;
            $inpatient_bill->insurance_investigation_cost = $request->insurance_investigation_cost ?? 0;
            $inpatient_bill->insurance_treatment_cost = ($request->insurance_treatment_cost ?? 0) + ($request->insurance_opd_treatment ?? 0);
            $inpatient_bill->insurance_sundries_cost = ($request->insurance_sundries_cost ?? 0) + ($request->insurance_opd_sundries_cost ?? 0);
            $inpatient_bill->insurance_services_cost = ($request->insurance_services_cost ?? 0) + ($request->insurance_opd_services_cost ?? 0);
            $inpatient_bill->insurance_procedures_cost = ($request->insurance_procedures_cost ?? 0) + ($request->insurance_opd_procedures_cost ?? 0);
            $inpatient_bill->insurance_tta_cost = $request->insurance_tta_cost;
            $inpatient_bill->amount_to_pay = $request->amount_owed;
            $inpatient_bill->original_bill = $request->original_amount_owed;
            $inpatient_bill->amount_paid = $request->deposits_made;
            $inpatient_bill->invoices_amount = $request->invoices_amount + $request->ward_discount_total;

            // save items and prices for OPD items since IPD have their own tables 'cept for investigations
            $inpatient_bill->investigations_item_prices = is_null($request->investigation_amount) ? null : implode(",",$request->investigation_amount);
            $inpatient_bill->sundries_item_prices = is_null($request->opd_sundry_amount) ? null : implode(",",$request->opd_sundry_amount);
            $inpatient_bill->prescription_treatment_item_prices = is_null($request->opd_treatment_amount) ? null : implode(",",$request->opd_treatment_amount);
            $inpatient_bill->pf_treatment_item_prices = is_null($request->pf_treatment_item_prices) ? null : implode(",",$request->pf_treatment_item_prices);
            $inpatient_bill->procedures_item_prices = is_null($request->opd_procedure_amount) ? null : implode(",",$request->opd_procedure_amount);
            $inpatient_bill->services_item_prices = is_null($request->opd_service_unit_cost) ? null : implode(",",$request->opd_service_unit_cost);
            $inpatient_bill->tta_item_prices = is_null($request->tta_unit_cost) ? null : implode(",",$request->tta_unit_cost);

            $inpatient_bill->investigations_item_chi_prices = is_null($request->investigation_insurance_amount) ? null : implode(",",$request->investigation_insurance_amount);
            $inpatient_bill->sundries_item_chi_prices = is_null($request->opd_sundry_insurance_unit) ? null : implode(",",$request->opd_sundry_insurance_unit);
            $inpatient_bill->prescription_treatment_item_chi_prices = is_null($request->opd_treatment_insurance_unit_amount) ? null : implode(",",$request->opd_treatment_insurance_unit_amount);
            $inpatient_bill->procedures_item_chi_prices = is_null($request->opd_procedure_insurance_amount) ? null : implode(",",$request->opd_procedure_insurance_amount);
            $inpatient_bill->services_item_chi_prices = is_null($request->opd_service_insurance_unit) ? null : implode(",",$request->opd_service_insurance_unit);
            $inpatient_bill->tta_item_chi_prices = is_null($request->tta_insurance_unit) ? null : implode(",",$request->tta_insurance_unit);

            $inpatient_bill->investigations_item_ids = is_null($request->investigations_item_ids) ? null : implode(",",$request->investigations_item_ids);
            $inpatient_bill->sundries_item_ids = is_null($request->opd_sundries_ids) ? null : implode(",",$request->opd_sundries_ids);
            $inpatient_bill->prescription_treatment_item_ids = is_null($request->opd_treatment_item) ? null : implode(",",$request->opd_treatment_item);
            $inpatient_bill->pf_treatment_item_ids = is_null($request->pf_treatment_item_ids) ? null : implode(",",$request->pf_treatment_item_ids);
            $inpatient_bill->procedures_item_ids = is_null($request->opd_procedure_ids) ? null : implode(",",$request->opd_procedure_ids);
            $inpatient_bill->services_item_ids = is_null($request->opd_service_id) ? null : implode(",",$request->opd_service_id);
            $inpatient_bill->tta_item_ids = is_null($request->tta_drugs_array) ? null : implode(",",$request->tta_drugs_array);

            $saved_bill_savers_array = is_null($inpatient_bill->bill_saved_by) ? [] : explode(",", $inpatient_bill->bill_saved_by);
            $saved_bill_savers_array[] = Auth::id();
            $inpatient_bill->bill_saved_by = implode(",", $saved_bill_savers_array);

            $bill_saved_at_array = is_null($inpatient_bill->bill_saved_at) ? [] : explode(",", $inpatient_bill->bill_saved_at);
            $bill_saved_at_array[] = Carbon::now();
            $inpatient_bill->bill_saved_at = implode(",", $bill_saved_at_array);

            $inpatient_bill->save();

            flash("Inpatient billing details have been saved successfully")->success();

            // generate the insurance claims
            if ($request->patient_insurance_status == 1) {
                create_inpatient_claims($insurance_claims, $patient_id, $episode_id, $inpatient_bill->id);
            }

            // handle closing the inpatient bill
            if ($request->get('submit-btn') == 'save_close_bill') {
                $inpatient_bill->bill_closed = 1;
                $inpatient_bill->bill_closed_by = Auth::id();
                $inpatient_bill->bill_closed_at = Carbon::now();

                $claim_ids_with_errors = DB::table('insurance_claims')->where('order_id', $inpatient_bill->id)
                    ->where('inpatient_outpatient', 1)
                    ->whereNull('insurance_claims.deleted_at')
                    ->where(function($query) {
                        $query->where('insurance_claims.is_authorisation_required', 1)
                            ->orWhereRaw('FIND_IN_SET(1,insurance_claims.is_item_authorisation_required)')
                            ->orWhere('insurance_claims.plan_validity_error', 1)
                            ->orWhereRaw('FIND_IN_SET(1,insurance_claims.benefit_waiting_period_error)')
                            ->orWhereRaw('FIND_IN_SET(1,insurance_claims.plan_limit_error)')
                            ->orWhereRaw('FIND_IN_SET(1,insurance_claims.benefit_limit_error)')
                            ->orWhereRaw('FIND_IN_SET(1,insurance_claims.item_limit_error)');
                    })->pluck('id')->toArray();

                if (count($claim_ids_with_errors) > 0) {
                    flash("Please make sure to adjudicate all claims before receiving payment")->error();
                }

                // finish adjudicating the claims
                InsuranceClaim::where('order_id', $inpatient_bill->id)
                    ->whereNotIn('id', $claim_ids_with_errors)
                    ->where('inpatient_outpatient', 1)->update(['claim_status' => 2]);

                // for those with errors, flag them
                InsuranceClaim::where('order_id', $inpatient_bill->id)
                    ->whereIn('id', $claim_ids_with_errors)
                    ->where('inpatient_outpatient', 1)->update(['adjudication_required' => 1]);

                $inpatient_bill->save();

                flash("Inpatient bill has been closed successfully")->success();
            }

            // all good so we can commit
            DB::commit();
        } catch (\Exception | \Error $exception) {
            DB::rollback();

            DB::table('system_errors')->insert([
                'error_message' => $exception->getMessage(), 'error_trace' => $exception->getTraceAsString(),
                'logged_in_user' => Auth::id()
            ]);

            flash("An error occurred. Please try again or contact Stre@mline Support")->error();
            return back()->withInput();
        }

        if ($request->get('submit-btn') == 'print') {
            return redirect()->back()->with('print', 'true');
        } elseif($request->get('submit-btn') == 'pay_bill'){
            return redirect('patient_finance/make_inpatient_deposit');
        } elseif($request->get('submit-btn') == 'authorize_bill'){
            $saved_bill_authorizers_array = is_null($inpatient_bill->bill_authorized_by) ? [] : explode(",", $inpatient_bill->bill_authorized_by);
            $saved_bill_authorizers_array[] = Auth::id();
            $inpatient_bill->bill_authorized_by = implode(",", $saved_bill_authorizers_array);

            $bill_authorized_at_at_array = is_null($inpatient_bill->bill_authorized_at) ? [] : explode(",", $inpatient_bill->bill_authorized_at);
            $bill_authorized_at_at_array[] = Carbon::now();
            $inpatient_bill->bill_authorized_at = implode(",", $bill_authorized_at_at_array);
            flash("Inpatient bill has been authorized")->success();
            $inpatient_bill->update();
            return redirect()->back();
        } else {
            return redirect()->back();
        }
    }

    public function edit_inpatient_sheet() {
        $episode_id = session()->get('episode_id');
        $patient_id = session()->get('patient_id');

        // check if bill exists and is not closed
        $inpatient_bill = InpatientBill::where(['patient_id'=>$patient_id, 'episode_id'=>$episode_id])->first();

        if ($inpatient_bill && $inpatient_bill->bill_closed == 1) {
            flash("Inpatient information cannot be modified while inpatient bill is closed")->error();
        } else {
            $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('created_at', 'desc')->first();
            $inpatient_info->discharged = 0;
            $inpatient_info->save();
        }

        return redirect('in_patient_sheet');
    }

    /* inpatient bill print */
    public function in_patient_bill_print($patient_id, $episode_id, $price_list_set) {
        $patient = Patient::find($patient_id);
        $hospitalInfo = DB::table('hospital_information')->find(1);

        $unserialized_price_list_set = unserialize($price_list_set);
        $price_list_set = $unserialized_price_list_set['price_list_set'];

        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('created_at', 'desc')->first();

        $treatment_to_take_away = Treatment::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'tta' => 1])->get();
        $service_deposits = ServiceDeposit::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->get();
        $patient_discount = PatientDiscount::where(['patient_category' => $patient->category_id])->select("discount", "pay_later")->first();

        if (!is_null($patient_discount)) {
            $patient_discount->toArray();
        }

        // get ward dispensing details if available
        $ward_treatment_drug_ids_that_have_been_dispensed_array = WardTreatmentDispensation::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->distinct('drug_id')->pluck('drug_id')->toArray();
        $dispensed_drug_quantity_given_array = [];

        for ($i = 0; $i < count($ward_treatment_drug_ids_that_have_been_dispensed_array); $i++) {
            $drug_ward_quantity_given = WardTreatmentDispensation::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'drug_id' => $ward_treatment_drug_ids_that_have_been_dispensed_array[$i]])->sum('quantity_given');
            $dispensed_drug_quantity_given_array[$ward_treatment_drug_ids_that_have_been_dispensed_array[$i]] = $drug_ward_quantity_given;
        }

        $price_list_categories = PriceListCategories::select('patient_category_id', 'id')->get();
        // Check for anaesthesia in this episode
        $anaesthesia = DB::table('anaesthesias')->where('episode_id', $episode_id)->select('other_drugs_given', 'other_drugs_cost')->first();

        $ordered_ward_investigations = OrderedInvestigation::where(['episode_id' => $episode_id, 'payment_status' => '0'])->get();

        /*=======necessary for staff payments configuration========*/
        $service_items = Services::withTrashed()->orderBy('name','asc')->pluck('name', 'id')->prepend('- select -', '');
        $services_with_users_array = InpatientController::configured_users_with_their_services_array();
        $sundries = Sundry::where('available', 1)->orderby('name', 'asc')->pluck('name', 'id')->prepend('- select -', '');
        $users_collection = DB::table('users')->orderBy("first_name","asc")->select("id")->get()->toArray();
        $service_with_users_array = [];
        $users_array = [];
        $options_users = "";
        foreach ($users_collection as $value){
            $user = User::find($value->id);
            if (!is_null($user)) {
                $users_array[$user->id] = $user->first_name . " ". $user->last_name;
                $options_users .= "<option value='" . $user->id . "'>" . $user->first_name . " ". $user->last_name . "</option>";
                if ($user->hasRole('Doctors') || $user->hasRole('Doctor')) {
                    //use this join query instead of the commented out query to cater for execution speed (N+1)
                    $consultation_records = DB::table('services')
                        ->join('staff_payment_configurations','staff_payment_configurations.item_id', '=', 'services.id')
                        ->where('staff_payment_configurations.user_id',$value->id)
                        ->where('staff_payment_configurations.item_category',3)
                        ->orderBy('staff_payment_configurations.created_at','asc')
                        ->select('services.*')
                        ->get();

                    foreach ($consultation_records as $record) {
                        $users_consultation_fee = $record->non_insured_price;
                        //concatnate the service_record_id with the users_id to form the key for the array
                        $dynamic_key = $record->id."__".$value->id;
                        $dynamic_value = get_full_name($value->id, 'id', 'first_name', 'last_name', 'users')." (".$record->name.")";

                        $service_with_users_array[$dynamic_key] = $dynamic_value;

                        //add these dynamically formed values to service_items array
                        array_add($service_items, $dynamic_key, $dynamic_value);
                        //add it to the services_options too i.e used when user clicks add_service btn
                    }
                }
            }
        }
        /*===================*/

        //check for authenticated investigations
        $investigation_results = InvestigationResults::where(['patient_id' => $patient_id,'episode_id' => $episode_id ,'inpatient' => 1])->get();

        $debt_plan_payments = DebtPlan::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'tag_id' => 10])->get();

        $data = [
            'patient' => $patient,
            'price_list_set' => $price_list_set,
            'dispensed_drug_quantity_given_array' => $dispensed_drug_quantity_given_array,
            'inpatient_info' => $inpatient_info,
            'patient_id' => $patient_id,
            'treatment_to_take_away' => $treatment_to_take_away,
            'service_deposits' => $service_deposits,
            'patient_discount' => $patient_discount,
            'episode_id' => $episode_id,
            'price_list_categories' => $price_list_categories,
            'hospitalInfo' => $hospitalInfo,
            'anaesthesia' => $anaesthesia,
            'service_items' => $service_items,
            'sundries' => $sundries,
            'services_with_users_array' => $services_with_users_array,
            'ordered_ward_investigations' => $ordered_ward_investigations,
            'investigation_results' => $investigation_results,
            'debt_plan_payments' => $debt_plan_payments
        ];

        $pdf = SnappyPDF::loadView('ward_management::inpatient/inpatient_billing_print', $data)
            ->setOrientation('portrait')
            ->setOption('margin-bottom', 7)
            ->setOption('margin-top', 5)
            ->setOption('footer-html', '<i>Stre@mline</i>');

        return $pdf->inline('Inpatient Bill' . date(" d-m-y h:ia") . '.pdf');
    }

    public function check_for_open_admissions($patient_id) {
        $inpatient_info = InpatientInfo::where('patient_id', $patient_id)
            ->where('discharged', 0)
            ->get();

        return count($inpatient_info);
    }

    public function discharge_patient_past_admissions($patient_id) {
        $inpatient_info = InpatientInfo::where('patient_id', $patient_id)
            ->where('discharged', 0)
            ->get(['id']);

        foreach ($inpatient_info as $record) {
            // discharge the patient
            DB::table('inpatient_info')
                ->where('id', $record->id)
                ->update(["discharged" => 1, "outcome_id" => 2, "discharged_on" => date('Y-m-d'), "discharged_by" => Auth::user()->id]);
        }
    }

    public static function configured_users_with_their_services_array(): array {
        $users = User::orderBy("first_name","asc")->get();
        $service_with_users_array = [];

        foreach ($users as $user){
            if ($user->hasRole('Doctors') || $user->hasRole('Doctor')) {
                //use this join query instead of the commented out query to cater for execution speed (N+1)
                $consultation_records = DB::table('services')
                    ->join('staff_payment_configurations','staff_payment_configurations.item_id', '=', 'services.id')
                    ->where('staff_payment_configurations.user_id',$user->id)
                    ->where('staff_payment_configurations.item_category',3)
                    ->select('services.non_insured_price', 'services.id', 'services.name')
                    ->get();

                foreach ($consultation_records as $record) {
                    $users_consultation_fee = $record->non_insured_price;
                    //concatnate the service_record_id with the users_id to form the key for the array
                    $dynamic_key = $record->id."__".$user->id;
                    $dynamic_value = $user->first_name . ' ' . $user->last_name ." (".$record->name." Fee: ".ugandan_shillings($users_consultation_fee).")";

                    $service_with_users_array[$dynamic_key] = $dynamic_value;
                }
            }
        }

        return $service_with_users_array;
    }

    public function get_procedure_hospital_fees($procedure_id, $patient_id) {
        return get_procedure_hospital_fees_func($procedure_id, $patient_id);
    }

    public function get_inpatient_services_fees(Request $request) {
        $service_id = $request->service_id;
        $patient_id = $request->patient_id;
        $patient_insurance_status = $request->patient_insurance_status;
        $ward_id = $request->ward_id ?? 0;

        $price_list_id = is_patient_category_attached_to_price_list($patient_id);
        $services_with_users_array = InpatientController::configured_users_with_their_services_array();

        $staff_id = 0;

        if(array_key_exists($service_id, $services_with_users_array)){
            $services_user_key = explode("__", $service_id);
            $cleaned_service_id = $services_user_key[0];
            $staff_id = $services_user_key[1];
        } else {
            $cleaned_service_id = $service_id;
        }

        if(is_numeric($patient_insurance_status) && $patient_insurance_status == 1 && $patient_id != 0 && is_numeric($patient_id)) {
            $services_cost = get_item_insurance_co_payment($patient_id, $cleaned_service_id, 1, true, $ward_id);
        } else {
            if ($price_list_id) {
                $services_cost = get_price_list_category_price($price_list_id, 6, $cleaned_service_id);
            } else {
                $services_cost = get_name($cleaned_service_id, "id", "non_insured_price", "services");
            }
        }

        if($staff_id != 0){
            $services_price_and_staff_fee_array = [$services_cost, service_fee_configured_to_staff($staff_id,$cleaned_service_id,$price_list_id)];
        } else{
            $services_price_and_staff_fee_array = [$services_cost, 0];
        }

        return $services_price_and_staff_fee_array;
    }

    public function inpatient_sundries_print($patient_id, $episode_id) {
        $patient = Patient::find($patient_id);
        $hospitalInfo = DB::table('hospital_information')->find(1);

        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('created_at', 'desc')->first();

        // allergies header
        $categories = DB::table('patient_categories')->where('available', 1)->pluck("name", "id");
        $known_patient_allergies = Allergy::where('patient_id', $patient_id)->orderBy('created_at', 'desc')->take(2)->get();
        $known_patient_alerts = Alert::where('patient_id', $patient_id)->orderBy('created_at', 'desc')->take(2)->get();
        $drug_categories = DB::table('drug_categories')->orderBy('name', 'asc')->get();
        $drug_categories_array = DrugCategory::pluck('name', 'id');
        $sundries = Sundry::where('available', 1)->orderby('name', 'asc')->pluck('name', 'id')->prepend('- select -', '');
        $price_list_set = false;
        $price_list_categories = PriceListCategories::select('patient_category_id', 'id')->get();
        $patient_discount = PatientDiscount::where(['patient_category' => $patient->category_id])->select("discount", "pay_later")->first();

        if (!is_null($patient_discount)) {
            $patient_discount->toArray();
        }

        $data = [
            'patient' => $patient,
            'patient_id' => $patient_id,
            'episode_id' => $episode_id,
            'price_list_set' => $price_list_set,
            'categories' => $categories,
            'known_patient_alerts' => $known_patient_allergies,
            'drug_categories' => $drug_categories,
            'drug_categories_array' => $drug_categories_array,
            'inpatient_info' => $inpatient_info,
            'price_list_categories' => $price_list_categories,
            'patient_discount' => $patient_discount,
            'hospitalInfo' => $hospitalInfo,
            'sundries' => $sundries,
        ];

        $pdf = SnappyPDF::loadView('ward_management::inpatient/inpatient_sundries_print', $data)
            ->setOrientation('portrait')
            ->setOption('margin-bottom', 7)
            ->setOption('margin-top', 5)
            ->setOption('footer-html', '<i>Stre@mline</i>');


        return $pdf->inline('Inpatient Sundries' . date(" d-m-y h:ia") . '.pdf');
    }

    public function inpatient_treatment_print($patient_id, $episode_id)
    {
        $patient = Patient::find($patient_id);
        $hospitalInfo = DB::table('hospital_information')->find(1);

        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('created_at', 'desc')->first();

        // allergies header
        $categories = DB::table('patient_categories')->where('available', 1)->pluck("name", "id");
        $known_patient_allergies = Allergy::where('patient_id', $patient_id)->orderBy('created_at', 'desc')->take(2)->get();
        $known_patient_alerts = Alert::where('patient_id', $patient_id)->orderBy('created_at', 'desc')->take(2)->get();
        $drug_categories = DB::table('drug_categories')->orderBy('name', 'asc')->get();
        $drug_categories_array = DrugCategory::pluck('name', 'id');
        $price_list_set = false;
        $price_list_categories = PriceListCategories::select('patient_category_id', 'id')->get();
        $patient_discount = PatientDiscount::where(['patient_category' => $patient->category_id])->select("discount", "pay_later")->first();

        if (!is_null($patient_discount)) {
            $patient_discount->toArray();
        }

        $data = [
            'patient' => $patient,
            'patient_id' => $patient_id,
            'episode_id' => $episode_id,
            'price_list_set' => $price_list_set,
            'categories' => $categories,
            'known_patient_alerts' => $known_patient_allergies,
            'drug_categories' => $drug_categories,
            'drug_categories_array' => $drug_categories_array,
            'inpatient_info' => $inpatient_info,
            'price_list_categories' => $price_list_categories,
            'patient_discount' => $patient_discount,
            'hospitalInfo' => $hospitalInfo,
        ];

        $pdf = SnappyPDF::loadView('ward_management::inpatient/inpatient_treatment_print', $data)
            ->setOrientation('portrait')
            ->setOption('margin-bottom', 7)
            ->setOption('margin-top', 5)
            ->setOption('footer-html', '<i>Stre@mline</i>');


        return $pdf->inline('Inpatient Sundries' . date(" d-m-y h:ia") . '.pdf');
    }

    public function inpatient_extras_print($patient_id, $episode_id)
    {
        $patient = Patient::find($patient_id);
        $hospitalInfo = DB::table('hospital_information')->find(1);

        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('created_at', 'desc')->first();

        // allergies header
        $categories = DB::table('patient_categories')->where('available', 1)->pluck("name", "id");
        $known_patient_allergies = Allergy::where('patient_id', $patient_id)->orderBy('created_at', 'desc')->take(2)->get();
        $known_patient_alerts = Alert::where('patient_id', $patient_id)->orderBy('created_at', 'desc')->take(2)->get();
        $drug_categories = DB::table('drug_categories')->orderBy('name', 'asc')->get();
        $drug_categories_array = DrugCategory::pluck('name', 'id');
        $price_list_set = false;
        $price_list_categories = PriceListCategories::select('patient_category_id', 'id')->get();
        $patient_discount = PatientDiscount::where(['patient_category' => $patient->category_id])->select("discount", "pay_later")->first();

        if (!is_null($patient_discount)) {
            $patient_discount->toArray();
        }

        $data = [
            'patient' => $patient,
            'patient_id' => $patient_id,
            'episode_id' => $episode_id,
            'price_list_set' => $price_list_set,
            'categories' => $categories,
            'known_patient_alerts' => $known_patient_allergies,
            'drug_categories' => $drug_categories,
            'drug_categories_array' => $drug_categories_array,
            'inpatient_info' => $inpatient_info,
            'price_list_categories' => $price_list_categories,
            'patient_discount' => $patient_discount,
            'hospitalInfo' => $hospitalInfo,
        ];

        $pdf = SnappyPDF::loadView('ward_management::inpatient/inpatient_extras_print', $data)
            ->setOrientation('portrait')
            ->setOption('margin-bottom', 7)
            ->setOption('margin-top', 5)
            ->setOption('footer-html', '<i>Stre@mline</i>');


        return $pdf->inline('Inpatient Extras' . date(" d-m-y h:ia") . '.pdf');
    }

    public function inpatient_consultation_and_services_print($patient_id, $episode_id)
    {
        $patient = Patient::find($patient_id);
        $hospitalInfo = DB::table('hospital_information')->find(1);

        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('created_at', 'desc')->first();

        // allergies header
        $categories = DB::table('patient_categories')->where('available', 1)->pluck("name", "id");
        $known_patient_allergies = Allergy::where('patient_id', $patient_id)->orderBy('created_at', 'desc')->take(2)->get();
        $known_patient_alerts = Alert::where('patient_id', $patient_id)->orderBy('created_at', 'desc')->take(2)->get();
        $drug_categories = DB::table('drug_categories')->orderBy('name', 'asc')->get();
        $drug_categories_array = DrugCategory::pluck('name', 'id');
        $price_list_set = false;
        $price_list_categories = PriceListCategories::select('patient_category_id', 'id')->get();
        $patient_discount = PatientDiscount::where(['patient_category' => $patient->category_id])->select("discount", "pay_later")->first();

        if (!is_null($patient_discount)) {
            $patient_discount->toArray();
        }

        $services_with_users_array = InpatientController::configured_users_with_their_services_array();
        $service_items = Services::withTrashed()->orderBy('name','asc')->pluck('name', 'id')->prepend('- select -', '');
        $users_collection = DB::table('users')->orderBy("first_name","asc")->select("id")->get()->toArray();

        $service_with_users_array = [];
        $users_array = [];
        $options_users = "";
        foreach ($users_collection as $value){
            $user = User::find($value->id);
            if (!is_null($user)) {
                $users_array[$user->id] = $user->first_name . " ". $user->last_name;
                if ($user->hasRole('Doctors') || $user->hasRole('Doctor')) {
                    //use this join query instead of the commented out query to cater for execution speed (N+1)
                    $consultation_records = DB::table('services')
                        ->join('staff_payment_configurations','staff_payment_configurations.item_id', '=', 'services.id')
                        ->where('staff_payment_configurations.user_id',$value->id)
                        ->where('staff_payment_configurations.item_category',3)
                        ->orderBy('staff_payment_configurations.created_at','asc')
                        ->select('services.*')
                        ->get();

                    foreach ($consultation_records as $record) {
                        $price_list_id = is_patient_category_attached_to_price_list($patient_id);
                        if ($price_list_id) {
                            $users_consultation_fee = get_price_list_category_price($price_list_id, 6, $record->id);
                        } else{
                            $users_consultation_fee = $record->non_insured_price;
                        }
                        //concatnate the service_record_id with the users_id to form the key for the array
                        $dynamic_key = $record->id."__".$value->id;
                        $dynamic_value = get_full_name($value->id, 'id', 'first_name', 'last_name', 'users')." (".$record->name." Fee: ".ugandan_shillings($users_consultation_fee).")";
                        $service_with_users_array[$dynamic_key] = $dynamic_value;

                        //add these dynamically formed values to service_items array
                        array_add($service_items, $dynamic_key, $dynamic_value);
                    }
                }
            }
        }


        $data = [
            'patient' => $patient,
            'patient_id' => $patient_id,
            'episode_id' => $episode_id,
            'price_list_set' => $price_list_set,
            'categories' => $categories,
            'known_patient_alerts' => $known_patient_allergies,
            'drug_categories' => $drug_categories,
            'drug_categories_array' => $drug_categories_array,
            'inpatient_info' => $inpatient_info,
            'price_list_categories' => $price_list_categories,
            'patient_discount' => $patient_discount,
            'hospitalInfo' => $hospitalInfo,
            'services_with_users_array' => $services_with_users_array,
            'service_items' => $service_items
        ];

        $pdf = SnappyPDF::loadView('ward_management::inpatient/inpatient_consultation_and_services_print', $data)
            ->setOrientation('portrait')
            ->setOption('margin-bottom', 7)
            ->setOption('margin-top', 5)
            ->setOption('footer-html', '<i>Stre@mline</i>');


        return $pdf->inline('Inpatient Consultation and Services' . date(" d-m-y h:ia") . '.pdf');
    }

    public function inpatient_procedures_print($patient_id, $episode_id)
    {
        $patient = Patient::find($patient_id);
        $hospitalInfo = DB::table('hospital_information')->find(1);

        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('created_at', 'desc')->first();

        // allergies header
        $categories = DB::table('patient_categories')->where('available', 1)->pluck("name", "id");
        $known_patient_allergies = Allergy::where('patient_id', $patient_id)->orderBy('created_at', 'desc')->take(2)->get();
        $known_patient_alerts = Alert::where('patient_id', $patient_id)->orderBy('created_at', 'desc')->take(2)->get();
        $drug_categories = DB::table('drug_categories')->orderBy('name', 'asc')->get();
        $drug_categories_array = DrugCategory::pluck('name', 'id');
        $price_list_set = false;
        $price_list_categories = PriceListCategories::select('patient_category_id', 'id')->get();
        $patient_discount = PatientDiscount::where(['patient_category' => $patient->category_id])->select("discount", "pay_later")->first();

        if (!is_null($patient_discount)) {
            $patient_discount->toArray();
        }

        $data = [
            'patient' => $patient,
            'patient_id' => $patient_id,
            'episode_id' => $episode_id,
            'price_list_set' => $price_list_set,
            'categories' => $categories,
            'known_patient_alerts' => $known_patient_allergies,
            'drug_categories' => $drug_categories,
            'drug_categories_array' => $drug_categories_array,
            'inpatient_info' => $inpatient_info,
            'price_list_categories' => $price_list_categories,
            'patient_discount' => $patient_discount,
            'hospitalInfo' => $hospitalInfo,
        ];

        $pdf = SnappyPDF::loadView('ward_management::inpatient/inpatient_procedures_print', $data)
            ->setOrientation('portrait')
            ->setOption('margin-bottom', 7)
            ->setOption('margin-top', 5)
            ->setOption('footer-html', '<i>Stre@mline</i>');


        return $pdf->inline('Inpatient Procedures' . date(" d-m-y h:ia") . '.pdf');
    }

    public function inpatient_investigations_print($patient_id, $episode_id)
    {
        $patient = Patient::find($patient_id);
        $hospitalInfo = DB::table('hospital_information')->find(1);

        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('created_at', 'desc')->first();

        // allergies header
        $categories = DB::table('patient_categories')->where('available', 1)->pluck("name", "id");
        $known_patient_allergies = Allergy::where('patient_id', $patient_id)->orderBy('created_at', 'desc')->take(2)->get();
        $known_patient_alerts = Alert::where('patient_id', $patient_id)->orderBy('created_at', 'desc')->take(2)->get();
        $drug_categories = DB::table('drug_categories')->orderBy('name', 'asc')->get();
        $drug_categories_array = DrugCategory::pluck('name', 'id');
        $price_list_set = false;
        $price_list_categories = PriceListCategories::select('patient_category_id', 'id')->get();
        $patient_discount = PatientDiscount::where(['patient_category' => $patient->category_id])->select("discount", "pay_later")->first();

        if (!is_null($patient_discount)) {
            $patient_discount->toArray();
        }

        $data = [
            'patient' => $patient,
            'patient_id' => $patient_id,
            'episode_id' => $episode_id,
            'price_list_set' => $price_list_set,
            'categories' => $categories,
            'known_patient_alerts' => $known_patient_allergies,
            'drug_categories' => $drug_categories,
            'drug_categories_array' => $drug_categories_array,
            'inpatient_info' => $inpatient_info,
            'price_list_categories' => $price_list_categories,
            'patient_discount' => $patient_discount,
            'hospitalInfo' => $hospitalInfo,
        ];

        $pdf = SnappyPDF::loadView('ward_management::inpatient/inpatient_invs_print', $data)
            ->setOrientation('portrait')
            ->setOption('margin-bottom', 7)
            ->setOption('margin-top', 5)
            ->setOption('footer-html', '<i>Stre@mline</i>');


        return $pdf->inline('Inpatient Investigations' . date(" d-m-y h:ia") . '.pdf');
    }

    public function inpatient_notes_print($patient_id, $episode_id)
    {
        $patient = Patient::find($patient_id);
        $hospitalInfo = DB::table('hospital_information')->find(1);

        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('created_at', 'desc')->first();
        $patient_discount = PatientDiscount::where(['patient_category' => $patient->category_id])->select("discount", "pay_later")->first();

        if (!is_null($patient_discount)) {
            $patient_discount->toArray();
        }

        $data = [
            'patient' => $patient,
            'patient_id' => $patient_id,
            'episode_id' => $episode_id,
            'inpatient_info' => $inpatient_info,
            'patient_discount' => $patient_discount,
            'hospitalInfo' => $hospitalInfo,
        ];

        $pdf = SnappyPDF::loadView('ward_management::inpatient/inpatient_notes_print', $data)
            ->setOrientation('portrait')
            ->setOption('margin-bottom', 7)
            ->setOption('margin-top', 5)
            ->setOption('footer-html', '<i>Stre@mline</i>');


        return $pdf->inline('Inpatient Notes' . date(" d-m-y h:ia") . '.pdf');
    }

    public function get_ward_bed_rate(Request $request) {
        $bed_category_id = $request->bed_category_id;
        $patient_id = $request->patient_id;
        $patient_insurance_status = $request->patient_insurance_status;
        $inpatient_bed_category = InpatientBedCategory::withTrashed()->find($bed_category_id);

        if ($inpatient_bed_category) {
            if($patient_insurance_status == 1) {
                return get_insurance_bed_rate($patient_id, $bed_category_id);
            } else {
                return ($inpatient_bed_category->cost_type == 1) ? $inpatient_bed_category->cost_per_night : $inpatient_bed_category->cost_first_night;
            }
        }

        return 0;
    }

    public function discharge_summary_print()
    {
        $patient_id = session()->get('patient_id');
        $episode_id = session()->get('episode_id');

        if(is_eye_module_enabled() && is_patient_in_eye_clinic($episode_id)) {
            $main_exam = EyeClinicMainExam::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->first();
            $base_exam = EyeClinicBaseExamRefraction::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->first();
            $slit_lamp_test_areas = SlitLampTestArea::all();
            $slit_lamp_test_area_values = SlitLampTestAreaValue::pluck('name', 'id')->toArray();
            $slit_lamp_test_area_ids = SlitLampTestAreaValue::pluck('id')->toArray();
        } else {
            $main_exam = false;
            $base_exam = false;
            $slit_lamp_test_areas = [];
            $slit_lamp_test_area_values = [];
            $slit_lamp_test_area_ids = [];
        }

        $patient = Patient::find($patient_id);
        $hospitalInfo = DB::table('hospital_information')->find(1);

        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('created_at', 'desc')->first();
        $cons_comments = Consultation::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->select(['comments', 'history_comments', 'clinic_examination_comments', 'investigation_and_management_plan_comments'])->first();
        $treatment_to_take_away = Treatment::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'tta' => 1])->get();
        $service_deposits = ServiceDeposit::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->get();
        $patient_discount = PatientDiscount::where(['patient_category' => $patient->category_id])->select("discount", "pay_later")->first();

        if (!is_null($patient_discount)) {
            $patient_discount->toArray();
        }

        // get ward dispensing details if available
        $ward_treatment_drug_ids_that_have_been_dispensed_array = WardTreatmentDispensation::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->distinct('drug_id')->pluck('drug_id')->toArray();
        $dispensed_drug_quantity_given_array = [];

        for ($i = 0; $i < count($ward_treatment_drug_ids_that_have_been_dispensed_array); $i++) {
            $drug_ward_quantity_given = WardTreatmentDispensation::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'drug_id' => $ward_treatment_drug_ids_that_have_been_dispensed_array[$i]])->sum('quantity_given');
            $dispensed_drug_quantity_given_array[$ward_treatment_drug_ids_that_have_been_dispensed_array[$i]] = $drug_ward_quantity_given;
        }

        $price_list_categories = PriceListCategories::select('patient_category_id', 'id')->get();
        // Check for anaesthesia in this episode
        $anaesthesia = DB::table('anaesthesias')->where('episode_id', $episode_id)->select('other_drugs_given', 'other_drugs_cost')->first();
        $price_list_set = false;

        /*=======necessary for staff payments configuration========*/
        $service_items = Services::withTrashed()->orderBy('name','asc')->pluck('name', 'id')->prepend('- select -', '');
        $services_with_users_array = InpatientController::configured_users_with_their_services_array();
        $sundries = Sundry::where('available', 1)->orderby('name', 'asc')->pluck('name', 'id')->prepend('- select -', '');
        $users_collection = DB::table('users')->orderBy("first_name","asc")->select("id")->get()->toArray();
        $service_with_users_array = [];
        $users_array = [];
        $options_users = "";
        foreach ($users_collection as $value){
            $user = User::find($value->id);
            if (!is_null($user)) {
                $users_array[$user->id] = $user->first_name . " ". $user->last_name;
                $options_users .= "<option value='" . $user->id . "'>" . $user->first_name . " ". $user->last_name . "</option>";
                if ($user->hasRole('Doctors') || $user->hasRole('Doctor')) {
                    //use this join query instead of the commented out query to cater for execution speed (N+1)
                    $consultation_records = DB::table('services')
                        ->join('staff_payment_configurations','staff_payment_configurations.item_id', '=', 'services.id')
                        ->where('staff_payment_configurations.user_id',$value->id)
                        ->where('staff_payment_configurations.item_category',3)
                        ->orderBy('staff_payment_configurations.created_at','asc')
                        ->select('services.*')
                        ->get();

                    foreach ($consultation_records as $record) {
                        $users_consultation_fee = $record->non_insured_price;
                        //concatnate the service_record_id with the users_id to form the key for the array
                        $dynamic_key = $record->id."__".$value->id;
                        $dynamic_value = get_full_name($value->id, 'id', 'first_name', 'last_name', 'users')." (".$record->name.")";

                        $service_with_users_array[$dynamic_key] = $dynamic_value;

                        //add these dynamically formed values to service_items array
                        array_add($service_items, $dynamic_key, $dynamic_value);
                        //add it to the services_options too i.e used when user clicks add_service btn
                    }
                }
            }
        }
        /*===================*/

        /* ====== start work on investigations */
        // prep the inpatient investigation arrays and counters
        $opd_investigations = [];
        $opd_investigations_position = [];
        $opd_investigations_date = [];
        $ward_investigations = [];
        $ward_investigations_position = [];
        $ward_investigations_date = [];

        // get all investigations ordered in this episode
        $ordered_investigations = OrderedInvestigation::where(['episode_id' => $episode_id])->get();

        // get all results
        $investigation_results_order_ids = InvestigationResults::pluck('order_id', 'id')->toArray();

        foreach ($ordered_investigations as $investigation) {
            if (isset($ward_investigations['id'])) {
                $ward_investigations_position[] = count($ward_investigations['id']);
            } else {
                $ward_investigations_position[] = 0;
            }

            if (isset($opd_investigations['id'])) {
                $opd_investigations_position[] = count($opd_investigations['id']);
            } else {
                $opd_investigations_position[] = 0;
            }

            $ward_investigations_date[] = "Ordered on " . streamline_date_time($investigation->created_at) . " by " .
                get_full_name($investigation->created_by, 'id', 'first_name', 'last_name', 'users');
            $opd_investigations_date[] = streamline_date_time($investigation->created_at);

            $investigation_ids = explode(",", $investigation->investigation_id);
            $inpatient_status = explode(",", $investigation->for_inpatient);

            // check if results are available for this investigation
            if (in_array($investigation->id, $investigation_results_order_ids)) {
                // get the key if available
                $key = array_search($investigation->id, $investigation_results_order_ids);

                // get the results object
                $results = InvestigationResults::find($key);

                // exclude obstetric u/s results
                if ($results->result_type != "Ultrasound_Obstetric") {
                    $investigation_results = explode(",", $results->value);
                    $investigation_per_valid = explode(",", $results->per_investigation);
                    $investigation_comments = explode(",", $results->comment);

                    if ($results->all_authenticated == 1) {
                        for ($i = 0; $i < count($inpatient_status); $i++) {
                            if (isset($inpatient_status[$i]) && $inpatient_status[$i] == 0) {
                                $result = Investigation::withTrashed()->find($investigation_ids[$i]);

                                if ($result) {
                                    $opd_investigations['id'][] = $result->id;
                                    $opd_investigations['name'][] = $result->name;
                                    $opd_investigations['type'][] = $result->type;
                                    $opd_investigations['slug'][] = $result->slug;
                                    $opd_investigations['value'][] = $investigation_results[$i] ?? "";
                                    $opd_investigations['comment'][] = $investigation_comments[$i] ?? "";
                                }
                            } else {
                                $result = Investigation::withTrashed()->find($investigation_ids[$i]);

                                if ($result) {
                                    $ward_investigations['id'][] = $result->id;
                                    $ward_investigations['name'][] = $result->name;
                                    $ward_investigations['type'][] = $result->type;
                                    $ward_investigations['slug'][] = $result->slug;
                                    $ward_investigations['value'][] = $investigation_results[$i] ?? "";
                                    $ward_investigations['comment'][] = $investigation_comments[$i] ?? "";
                                }
                            }
                        }
                    } else {
                        for ($i = 0; $i < count($inpatient_status); $i++) {

                            $investigation = Investigation::withTrashed()->find($investigation_ids[$i]);

                            if (!$investigation) {
                                continue;
                            }

                            if (isset($investigation_per_valid[$i]) && $investigation_per_valid[$i] == 1) {
                                // this investigation is authenticated
                                if (isset($inpatient_status[$i]) && $inpatient_status[$i] == 0) {
                                    $opd_investigations['id'][] = $investigation->id;
                                    $opd_investigations['name'][] = $investigation->name;
                                    $opd_investigations['type'][] = $investigation->type;
                                    $opd_investigations['slug'][] = $investigation->slug;
                                    $opd_investigations['value'][] = $investigation_results[$i] ?? "";
                                    $opd_investigations['comment'][] = $investigation_comments[$i] ?? "";
                                } else {
                                    $ward_investigations['id'][] = $investigation->id;
                                    $ward_investigations['name'][] = $investigation->name;
                                    $ward_investigations['type'][] = $investigation->type;
                                    $ward_investigations['slug'][] = $investigation->slug;
                                    $ward_investigations['value'][] = $investigation_results[$i] ?? "";
                                    $ward_investigations['comment'][] = $investigation_comments[$i] ?? "";
                                }
                            } else {
                                if (isset($investigation_per_valid[$i]) && $inpatient_status[$i] == 0) {
                                    $opd_investigations['id'][] = $investigation->id;
                                    $opd_investigations['name'][] = $investigation->name;
                                    $opd_investigations['type'][] = $investigation->type;
                                    $opd_investigations['slug'][] = $investigation->slug;
                                    $opd_investigations['value'][] = "Pending";
                                    $opd_investigations['comment'][] = "Pending";
                                } else {
                                    $ward_investigations['id'][] = $investigation->id;
                                    $ward_investigations['name'][] = $investigation->name;
                                    $ward_investigations['type'][] = $investigation->type;
                                    $ward_investigations['slug'][] = $investigation->slug;
                                    $ward_investigations['value'][] = "Pending";
                                    $ward_investigations['comment'][] = "Pending";
                                }
                            }
                        }
                    }
                }
            } else {
                for ($i = 0; $i < count($inpatient_status); $i++) {
                    if (isset($inpatient_status[$i]) && $inpatient_status[$i] == 0) {
                        $result = Investigation::withTrashed()->find($investigation_ids[$i]);

                        if ($result) {
                            $opd_investigations['id'][] = $result->id;
                            $opd_investigations['name'][] = $result->name;
                            $opd_investigations['type'][] = $result->type;
                            $opd_investigations['slug'][] = $result->slug;
                            $opd_investigations['value'][] = "Pending";
                            $opd_investigations['comment'][] = "Pending";
                        }
                    } else {
                        $result = Investigation::withTrashed()->find($investigation_ids[$i]);

                        if ($result) {
                            $ward_investigations['id'][] = $result->id;
                            $ward_investigations['name'][] = $result->name;
                            $ward_investigations['type'][] = $result->type;
                            $ward_investigations['slug'][] = $result->slug;
                            $ward_investigations['value'][] = "Pending";
                            $ward_investigations['comment'][] = "Pending";
                        }
                    }
                }
            }
        }
        /* ====== end work on investigations */

        $data = [
            'patient' => $patient,
            'price_list_set' => $price_list_set,
            'dispensed_drug_quantity_given_array' => $dispensed_drug_quantity_given_array,
            'inpatient_info' => $inpatient_info,
            'patient_id' => $patient_id,
            'treatment_to_take_away' => $treatment_to_take_away,
            'service_deposits' => $service_deposits,
            'patient_discount' => $patient_discount,
            'episode_id' => $episode_id,
            'price_list_categories' => $price_list_categories,
            'hospitalInfo' => $hospitalInfo,
            'anaesthesia' => $anaesthesia,
            'service_items' => $service_items,
            'sundries' => $sundries,
            'cons_comments'=>$cons_comments,
            'services_with_users_array' => $services_with_users_array,
            'ward_investigations' => $ward_investigations,
            'opd_investigations' => $opd_investigations,
            'opd_investigations_position' => $opd_investigations_position,
            'ward_investigations_position' => $ward_investigations_position,
            'opd_investigations_date' => $opd_investigations_date,
            'ward_investigations_date' => $ward_investigations_date,
            'base_exam' => $base_exam,
            'main_exam' => $main_exam,
            'slit_lamp_test_areas' => $slit_lamp_test_areas,
            'slit_lamp_test_area_values' => $slit_lamp_test_area_values,
            'slit_lamp_test_area_ids' => $slit_lamp_test_area_ids
        ];

        $pdf = SnappyPDF::loadView('ward_management::inpatient/discharge_summary_print', $data)
            ->setOrientation('portrait')
            ->setOption('margin-bottom', 7)
            ->setOption('margin-top', 5)
            ->setOption('footer-html', '<i>Stre@mline</i>');

        return $pdf->inline('Discharge Summary' . date("y-m-d h:ia") . '.pdf');
    }

    public function receive_inpatient_payment(Request $request)
    {
        session()->put('patient_id', $request->patient_id);
        session()->put('episode_id', $request->episode_id);
        return redirect('patient_finance/make_inpatient_deposit');
    }

    public function cancel_ward_prescription($ward_prescription_id)
    {
        $ward_prescription = WardTreatment::find($ward_prescription_id);
        if ($ward_prescription->delete()) {
            flash('Ward prescription has been cancelled')->success();
            return redirect('in_patient_sheet');
        }

        flash('System could not cancel prescription')->error();
        return redirect()->back();
    }

    public function inpatient_bill_summary_print($patient_id, $episode_id, $price_list_set) {
        $patient = Patient::find($patient_id);
        $hospitalInfo = DB::table('hospital_information')->find(1);

        $unserialized_price_list_set = unserialize($price_list_set);
        $price_list_set = $unserialized_price_list_set['price_list_set'];

        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('created_at', 'desc')->first();

        $treatment_to_take_away = Treatment::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'tta' => 1])->get();
        $service_deposits = ServiceDeposit::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->get();
        $patient_discount = PatientDiscount::where(['patient_category' => $patient->category_id])->select("discount", "pay_later")->first();

        if (!is_null($patient_discount)) {
            $patient_discount->toArray();
        }

        // get ward dispensing details if available
        $ward_treatment_drug_ids_that_have_been_dispensed_array = WardTreatmentDispensation::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->distinct('drug_id')->pluck('drug_id')->toArray();
        $dispensed_drug_quantity_given_array = [];

        for ($i = 0; $i < count($ward_treatment_drug_ids_that_have_been_dispensed_array); $i++) {
            $drug_ward_quantity_given = WardTreatmentDispensation::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'drug_id' => $ward_treatment_drug_ids_that_have_been_dispensed_array[$i]])->sum('quantity_given');
            $dispensed_drug_quantity_given_array[$ward_treatment_drug_ids_that_have_been_dispensed_array[$i]] = $drug_ward_quantity_given;
        }

        $price_list_categories = PriceListCategories::select('patient_category_id', 'id')->get();
        // Check for anaesthesia in this episode
        $anaesthesia = DB::table('anaesthesias')->where('episode_id', $episode_id)->select('other_drugs_given', 'other_drugs_cost')->first();

        $ordered_ward_investigations = OrderedInvestigation::where(['episode_id' => $episode_id, 'payment_status' => '0'])->get();

        /*=======necessary for staff payments configuration========*/
        $service_items = Services::withTrashed()->orderBy('name','asc')->pluck('name', 'id')->prepend('- select -', '');
        $services_with_users_array = InpatientController::configured_users_with_their_services_array();
        $sundries = Sundry::where('available', 1)->orderby('name', 'asc')->pluck('name', 'id')->prepend('- select -', '');
        $users_collection = DB::table('users')->orderBy("first_name","asc")->select("id")->get()->toArray();
        $service_with_users_array = [];
        $users_array = [];
        $options_users = "";
        foreach ($users_collection as $value){
            $user = User::find($value->id);
            if (!is_null($user)) {
                $users_array[$user->id] = $user->first_name . " ". $user->last_name;
                $options_users .= "<option value='" . $user->id . "'>" . $user->first_name . " ". $user->last_name . "</option>";
                if ($user->hasRole('Doctors') || $user->hasRole('Doctor')) {
                    //use this join query instead of the commented out query to cater for execution speed (N+1)
                    $consultation_records = DB::table('services')
                        ->join('staff_payment_configurations','staff_payment_configurations.item_id', '=', 'services.id')
                        ->where('staff_payment_configurations.user_id',$value->id)
                        ->where('staff_payment_configurations.item_category',3)
                        ->orderBy('staff_payment_configurations.created_at','asc')
                        ->select('services.*')
                        ->get();

                    foreach ($consultation_records as $record) {
                        $users_consultation_fee = $record->non_insured_price;
                        //concatnate the service_record_id with the users_id to form the key for the array
                        $dynamic_key = $record->id."__".$value->id;
                        $dynamic_value = get_full_name($value->id, 'id', 'first_name', 'last_name', 'users')." (".$record->name.")";

                        $service_with_users_array[$dynamic_key] = $dynamic_value;

                        //add these dynamically formed values to service_items array
                        array_add($service_items, $dynamic_key, $dynamic_value);
                        //add it to the services_options too i.e used when user clicks add_service btn
                    }
                }
            }
        }
        /*===================*/

        //check for authenticated investigations
        $investigation_results = InvestigationResults::where(['patient_id' => $patient_id,'episode_id' => $episode_id ,'inpatient' => 1])->get();

        $debt_plan_payments = DebtPlan::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'tag_id' => 10])->get();

        $data = [
            'patient' => $patient,
            'price_list_set' => $price_list_set,
            'dispensed_drug_quantity_given_array' => $dispensed_drug_quantity_given_array,
            'inpatient_info' => $inpatient_info,
            'patient_id' => $patient_id,
            'treatment_to_take_away' => $treatment_to_take_away,
            'service_deposits' => $service_deposits,
            'patient_discount' => $patient_discount,
            'episode_id' => $episode_id,
            'price_list_categories' => $price_list_categories,
            'hospitalInfo' => $hospitalInfo,
            'anaesthesia' => $anaesthesia,
            'service_items' => $service_items,
            'sundries' => $sundries,
            'services_with_users_array' => $services_with_users_array,
            'ordered_ward_investigations' => $ordered_ward_investigations,
            'investigation_results' => $investigation_results,
            'debt_plan_payments' => $debt_plan_payments
        ];

        $pdf = SnappyPDF::loadView('ward_management::inpatient/inpatient_bill_summary_print', $data)
            ->setOrientation('portrait')
            ->setOption('margin-bottom', 7)
            ->setOption('margin-top', 5)
            ->setOption('footer-html', '<i>Stre@mline</i>');

        return $pdf->inline('Inpatient Bill' . date(" d-m-y h:ia") . '.pdf');
    }

    public function referral_notes_print()
    {
        $patient_id = session()->get('patient_id');
        $episode_id = session()->get('episode_id');

        $patient = Patient::find($patient_id);
        $hospitalInfo = DB::table('hospital_information')->find(1);

        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('created_at', 'desc')->first();

        $treatment_to_take_away = Treatment::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'tta' => 1])->get();
        $service_deposits = ServiceDeposit::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->get();
        $patient_discount = PatientDiscount::where(['patient_category' => $patient->category_id])->select("discount", "pay_later")->first();

        if (!is_null($patient_discount)) {
            $patient_discount->toArray();
        }

        // get ward dispensing details if available
        $ward_treatment_drug_ids_that_have_been_dispensed_array = WardTreatmentDispensation::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->distinct('drug_id')->pluck('drug_id')->toArray();
        $dispensed_drug_quantity_given_array = [];

        for ($i = 0; $i < count($ward_treatment_drug_ids_that_have_been_dispensed_array); $i++) {
            $drug_ward_quantity_given = WardTreatmentDispensation::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'drug_id' => $ward_treatment_drug_ids_that_have_been_dispensed_array[$i]])->sum('quantity_given');
            $dispensed_drug_quantity_given_array[$ward_treatment_drug_ids_that_have_been_dispensed_array[$i]] = $drug_ward_quantity_given;
        }

        $price_list_categories = PriceListCategories::select('patient_category_id', 'id')->get();
        // Check for anaesthesia in this episode
        $anaesthesia = DB::table('anaesthesias')->where('episode_id', $episode_id)->select('other_drugs_given', 'other_drugs_cost')->first();
        $price_list_set = false;

        /*=======necessary for staff payments configuration========*/
        $service_items = Services::withTrashed()->orderBy('name','asc')->pluck('name', 'id')->prepend('- select -', '');
        $services_with_users_array = InpatientController::configured_users_with_their_services_array();
        $sundries = Sundry::where('available', 1)->orderby('name', 'asc')->pluck('name', 'id')->prepend('- select -', '');
        $users_collection = DB::table('users')->orderBy("first_name","asc")->select("id")->get()->toArray();
        $service_with_users_array = [];
        $users_array = [];
        $options_users = "";
        foreach ($users_collection as $value){
            $user = User::find($value->id);
            if (!is_null($user)) {
                $users_array[$user->id] = $user->first_name . " ". $user->last_name;
                $options_users .= "<option value='" . $user->id . "'>" . $user->first_name . " ". $user->last_name . "</option>";
                if ($user->hasRole('Doctors') || $user->hasRole('Doctor')) {
                    //use this join query instead of the commented out query to cater for execution speed (N+1)
                    $consultation_records = DB::table('services')
                        ->join('staff_payment_configurations','staff_payment_configurations.item_id', '=', 'services.id')
                        ->where('staff_payment_configurations.user_id',$value->id)
                        ->where('staff_payment_configurations.item_category',3)
                        ->orderBy('staff_payment_configurations.created_at','asc')
                        ->select('services.*')
                        ->get();

                    foreach ($consultation_records as $record) {
                        $users_consultation_fee = $record->non_insured_price;
                        //concatnate the service_record_id with the users_id to form the key for the array
                        $dynamic_key = $record->id."__".$value->id;
                        $dynamic_value = get_full_name($value->id, 'id', 'first_name', 'last_name', 'users')." (".$record->name.")";

                        $service_with_users_array[$dynamic_key] = $dynamic_value;

                        //add these dynamically formed values to service_items array
                        array_add($service_items, $dynamic_key, $dynamic_value);
                        //add it to the services_options too i.e used when user clicks add_service btn
                    }
                }
            }
        }
        /*===================*/

        /* ====== start work on investigations */
        // prep the inpatient investigation arrays and counters
        $opd_investigations = [];
        $opd_investigations_position = [];
        $opd_investigations_date = [];
        $ward_investigations = [];
        $ward_investigations_position = [];
        $ward_investigations_date = [];

        // get all investigations ordered in this episode
        $ordered_investigations = OrderedInvestigation::where(['episode_id' => $episode_id])->get();

        // get all results
        $investigation_results_order_ids = InvestigationResults::pluck('order_id', 'id')->toArray();

        foreach ($ordered_investigations as $investigation) {
            if (isset($ward_investigations['id'])) {
                $ward_investigations_position[] = count($ward_investigations['id']);
            } else {
                $ward_investigations_position[] = 0;
            }

            if (isset($opd_investigations['id'])) {
                $opd_investigations_position[] = count($opd_investigations['id']);
            } else {
                $opd_investigations_position[] = 0;
            }

            $ward_investigations_date[] = "Ordered on " . streamline_date_time($investigation->created_at) . " by " .
                get_full_name($investigation->created_by, 'id', 'first_name', 'last_name', 'users');
            $opd_investigations_date[] = streamline_date_time($investigation->created_at);

            $investigation_ids = explode(",", $investigation->investigation_id);
            $inpatient_status = explode(",", $investigation->for_inpatient);

            // check if results are available for this investigation
            if (in_array($investigation->id, $investigation_results_order_ids)) {
                // get the key if available
                $key = array_search($investigation->id, $investigation_results_order_ids);

                // get the results object
                $results = InvestigationResults::find($key);

                // exclude obstetric u/s results
                if ($results->result_type != "Ultrasound_Obstetric") {
                    $investigation_results = explode(",", $results->value);
                    $investigation_per_valid = explode(",", $results->per_investigation);
                    $investigation_comments = explode(",", $results->comment);

                    if ($results->all_authenticated == 1) {
                        for ($i = 0; $i < count($inpatient_status); $i++) {
                            if (isset($inpatient_status[$i]) && $inpatient_status[$i] == 0) {
                                $result = Investigation::withTrashed()->find($investigation_ids[$i]);

                                if ($result) {
                                    $opd_investigations['id'][] = $result->id;
                                    $opd_investigations['name'][] = $result->name;
                                    $opd_investigations['type'][] = $result->type;
                                    $opd_investigations['slug'][] = $result->slug;
                                    $opd_investigations['value'][] = $investigation_results[$i];
                                    $opd_investigations['comment'][] = $investigation_comments[$i];
                                }
                            } else {
                                $result = Investigation::withTrashed()->find($investigation_ids[$i]);

                                if ($result) {
                                    $ward_investigations['id'][] = $result->id;
                                    $ward_investigations['name'][] = $result->name;
                                    $ward_investigations['type'][] = $result->type;
                                    $ward_investigations['slug'][] = $result->slug;
                                    $ward_investigations['value'][] = $investigation_results[$i] ?? "";
                                    $ward_investigations['comment'][] = $investigation_comments[$i]?? "";
                                }
                            }
                        }
                    } else {
                        for ($i = 0; $i < count($inpatient_status); $i++) {

                            $investigation = Investigation::withTrashed()->find($investigation_ids[$i]);

                            if (!$investigation) {
                                continue;
                            }

                            if (isset($investigation_per_valid[$i]) && $investigation_per_valid[$i] == 1) {
                                // this investigation is authenticated
                                if (isset($inpatient_status[$i]) && $inpatient_status[$i] == 0) {
                                    $opd_investigations['id'][] = $investigation->id;
                                    $opd_investigations['name'][] = $investigation->name;
                                    $opd_investigations['type'][] = $investigation->type;
                                    $opd_investigations['slug'][] = $investigation->slug;
                                    $opd_investigations['value'][] = $investigation_results[$i];
                                    $opd_investigations['comment'][] = $investigation_comments[$i];
                                } else {
                                    $ward_investigations['id'][] = $investigation->id;
                                    $ward_investigations['name'][] = $investigation->name;
                                    $ward_investigations['type'][] = $investigation->type;
                                    $ward_investigations['slug'][] = $investigation->slug;
                                    $ward_investigations['value'][] = $investigation_results[$i];
                                    $ward_investigations['comment'][] = $investigation_comments[$i];
                                }
                            } else {
                                if (isset($investigation_per_valid[$i]) && $inpatient_status[$i] == 0) {
                                    $opd_investigations['id'][] = $investigation->id;
                                    $opd_investigations['name'][] = $investigation->name;
                                    $opd_investigations['type'][] = $investigation->type;
                                    $opd_investigations['slug'][] = $investigation->slug;
                                    $opd_investigations['value'][] = "Pending";
                                    $opd_investigations['comment'][] = "Pending";
                                } else {
                                    $ward_investigations['id'][] = $investigation->id;
                                    $ward_investigations['name'][] = $investigation->name;
                                    $ward_investigations['type'][] = $investigation->type;
                                    $ward_investigations['slug'][] = $investigation->slug;
                                    $ward_investigations['value'][] = "Pending";
                                    $ward_investigations['comment'][] = "Pending";
                                }
                            }
                        }
                    }
                }
            } else {
                for ($i = 0; $i < count($inpatient_status); $i++) {
                    if (isset($inpatient_status[$i]) && $inpatient_status[$i] == 0) {
                        $result = Investigation::withTrashed()->find($investigation_ids[$i]);

                        if ($result) {
                            $opd_investigations['id'][] = $result->id;
                            $opd_investigations['name'][] = $result->name;
                            $opd_investigations['type'][] = $result->type;
                            $opd_investigations['slug'][] = $result->slug;
                            $opd_investigations['value'][] = "Pending";
                            $opd_investigations['comment'][] = "Pending";
                        }
                    } else {
                        $result = Investigation::withTrashed()->find($investigation_ids[$i]);

                        if ($result) {
                            $ward_investigations['id'][] = $result->id;
                            $ward_investigations['name'][] = $result->name;
                            $ward_investigations['type'][] = $result->type;
                            $ward_investigations['slug'][] = $result->slug;
                            $ward_investigations['value'][] = "Pending";
                            $ward_investigations['comment'][] = "Pending";
                        }
                    }
                }
            }
        }
        /* ====== end work on investigations */

        $data = [
            'patient' => $patient,
            'price_list_set' => $price_list_set,
            'dispensed_drug_quantity_given_array' => $dispensed_drug_quantity_given_array,
            'inpatient_info' => $inpatient_info,
            'patient_id' => $patient_id,
            'treatment_to_take_away' => $treatment_to_take_away,
            'service_deposits' => $service_deposits,
            'patient_discount' => $patient_discount,
            'episode_id' => $episode_id,
            'price_list_categories' => $price_list_categories,
            'hospitalInfo' => $hospitalInfo,
            'anaesthesia' => $anaesthesia,
            'service_items' => $service_items,
            'sundries' => $sundries,
            'services_with_users_array' => $services_with_users_array,
            'ward_investigations' => $ward_investigations,
            'opd_investigations' => $opd_investigations,
            'opd_investigations_position' => $opd_investigations_position,
            'ward_investigations_position' => $ward_investigations_position,
            'opd_investigations_date' => $opd_investigations_date,
            'ward_investigations_date' => $ward_investigations_date
        ];
        // return view('ward_management::inpatient/referral_notes_print', $data);

        $pdf = SnappyPDF::loadView('ward_management::inpatient/referral_notes_print', $data)
            ->setOrientation('portrait')
            ->setOption('margin-bottom', 7)
            ->setOption('margin-top', 5)
            ->setOption('footer-html', '<i>Stre@mline</i>');

        return $pdf->inline('Referral Notes' . date("y-m-d h:ia") . '.pdf');
    }

    public function inpatient_attendant_pass(Request $request)
    {
        $episode_id = session()->get('episode_id');
        $patient_id = session()->get('patient_id');
        $total_deposits_paid = 0;

        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id,'episode_id' => $episode_id])->orderBy('created_at','desc')->first();
        $inpatient_bill = InpatientBill::where(['patient_id' => $patient_id,'episode_id' => $episode_id])->orderBy('created_at','desc')->first();

        $inpatient_deposits = ServiceDeposit::where(['patient_id'=>$patient_id,'episode_id'=>$episode_id])->get();
        foreach($inpatient_deposits as $service_deposit):

            $item_ids_array = explode(",", $service_deposit->items_ids);
            $item_amounts_array = explode(",", $service_deposit->items_amounts);

            if(($service_deposit->service_type == "Inpatient_Deposit") && ($service_deposit->patient_id == $patient_id) && ($service_deposit->episode_id == $episode_id)):

                $total_deposits_paid += $service_deposit->patient_amount_paid;
                $latest_payment_date = $service_deposit->created_at;
                $latest_deposit_id = $service_deposit->id;
            endif;
        endforeach;

        $number_of_days = 1;
        if ($total_deposits_paid > 0) {
            $number_of_days = 5;
        }

        $patient = Patient::find($patient_id);

        return view('ward_management::inpatient.inpatient_attendant_pass',compact('patient', 'inpatient_info', 'inpatient_deposits', 'inpatient_bill','number_of_days'));
    }

    public function store_inpatient_attendant_pass(Request $request)
    {
        $episode_id = session()->get('episode_id');
        $patient_id = session()->get('patient_id');
        $latest_deposit_id = null;
        $total_deposits_paid = 0;

        $expiration_number_of_days = $request->expiry_days;

        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id,'episode_id' => $episode_id])->orderBy('created_at','desc')->first();
        $service_deposits = ServiceDeposit::where(['patient_id'=>$patient_id,'episode_id'=>$episode_id])->get();

        foreach($service_deposits as $service_deposit):
            $item_ids_array = explode(",", $service_deposit->items_ids);
            $item_amounts_array = explode(",", $service_deposit->items_amounts);

            if(($service_deposit->service_type == "Inpatient_Deposit") && ($service_deposit->patient_id == $patient_id) && ($service_deposit->episode_id == $episode_id)):

                $total_deposits_paid += $service_deposit->patient_amount_paid;
                $latest_payment_date = $service_deposit->created_at;
                $latest_deposit_id = $service_deposit->id;
            endif;
        endforeach;

        $inpatient_attendant_pass = InpatientAttendantPass::where(['services_deposit_id' => $latest_deposit_id, 'inpatient_info_id' => $inpatient_info->id])->first();

        if (is_null($inpatient_attendant_pass)) {
            $inpatient_attendant_pass = new InpatientAttendantPass;
            $inpatient_attendant_pass->patient_id = $patient_id;
            $inpatient_attendant_pass->episode_id = $episode_id;
            $inpatient_attendant_pass->inpatient_info_id = $inpatient_info->id;
            $inpatient_attendant_pass->services_deposit_id = $latest_deposit_id;
            $inpatient_attendant_pass->expiry_date = Carbon::now()->addDays($expiration_number_of_days);
            $inpatient_attendant_pass->created_by = Auth::id();
            $inpatient_attendant_pass->save();
        }

        $inpatient_attendant_pass_id = $inpatient_attendant_pass->id;

        session()->put(['number_of_days' => $expiration_number_of_days]);
        session()->put(['inpatient_attendant_pass_id' => $inpatient_attendant_pass_id]);

        return redirect('print_inpatient_attendant_pass');
    }

    public function print_inpatient_attendant_pass(Request $request)
    {
        $episode_id = session()->get('episode_id');
        $patient_id = session()->get('patient_id');
        $number_of_days = session()->get('number_of_days');
        $inpatient_attendant_pass_id = session()->get('inpatient_attendant_pass_id');

        $hospital_information = HospitalInformation::first();
        $patient = Patient::find($patient_id);
        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id,'episode_id' => $episode_id])->orderBy('created_at','desc')->first();

        $total_deposits_paid = 0;

        $attendant_pass_information = InpatientAttendantPass::find($inpatient_attendant_pass_id);

        return view('ward_management::inpatient.inpatient_attendant_pass_print',compact('hospital_information', 'patient', 'attendant_pass_information', 'number_of_days', 'inpatient_info'));
    }

    public function delete_doctor_notes($id)
    {
        $ward_doctor_notes = WardInpatientSheetComment::find($id);
        $ward_doctor_notes->delete();

        flash('Ward doctor notes have been deleted')->success();
        return redirect('in_patient_sheet');
    }

    public function delete_nurse_notes($id)
    {
        $ward_nurse_notes = WardInpatientSheetNurseComment::find($id);
        $ward_nurse_notes->delete();

        flash('Ward nurse notes have been deleted')->success();
        return redirect('in_patient_sheet');
    }

    public function re_calculate_inpatient_bill(Request $request) {
        $patient_id = session()->get('patient_id');
        $episode_id = session()->get('episode_id');
        $patient_insurance_status = (patient_insurance_status($patient_id) == 1);

        $ward_id = get_name($episode_id, 'episode_id', 'ward_id', 'inpatient_info');
        $ward_id = is_integer($ward_id) ? $ward_id : 0;

        $inpatient_bill = InpatientBill::where(['patient_id'=>$patient_id, 'episode_id'=>$episode_id])->first();

        if (!$inpatient_bill) {
            flash('No bill has been generated for this inpatient record')->error();
            return redirect()->back()->withInput();
        }

        $price_list_id = is_patient_category_attached_to_price_list($patient_id);

        //ward treatments
        $ward_treatments = WardTreatmentDispensation::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->get();
        foreach ($ward_treatments as $ward_treatment) {
            $drugs_details = Drug::find($ward_treatment->drug_id);
            $drug_chi_price = 0;

            $ward_treatment->cost_price = $drugs_details->cost_price;
            $ward_treatment->inventory_account = $drugs_details->inventory_account;
            $ward_treatment->cost_of_goods_account = $drugs_details->cost_of_goods_account;

            if($patient_insurance_status){
                $item_pricing_details = get_item_insurance_pricing($patient_id, $ward_treatment->drug_id, 4, true, $ward_id);
                $drug_selling_price = $item_pricing_details[2];
                $drug_chi_price = $item_pricing_details[1];
            } else {
                if ($price_list_id) {
                    $drug_selling_price = get_price_list_category_price($price_list_id, 3, $ward_treatment->drug_id);
                } else {
                    $drug_selling_price = $drugs_details->non_insured_price;
                }
            }

            $ward_treatment->price = $drug_selling_price;
            $ward_treatment->chi_price = $drug_chi_price;
            $ward_treatment->update();
        }

        //ward investigations
        $ward_investigations = WardInvestigationPricing::where(['patient_id' => $patient_id,'episode_id' => $episode_id])->get();
        foreach ($ward_investigations as $ward_inv_pricing) {
            $investigation_chi_amount = 0;

            if($patient_insurance_status){
                $item_pricing_details = get_item_insurance_pricing($patient_id, $ward_inv_pricing->investigation_id, 3, true, $ward_id);
                $investigation_amount = $item_pricing_details[2];
                $investigation_chi_amount = $item_pricing_details[1];
            } else {
                if ($price_list_id) {
                    $investigation_amount = get_price_list_category_price($price_list_id, 2, $ward_inv_pricing->investigation_id);
                } else {
                    $investigation_amount = get_name($ward_inv_pricing->investigation_id, "id", "non_insured_price", "investigations");
                }
            }

            $ward_inv_pricing->price = $investigation_amount;
            $ward_inv_pricing->chi_price = $investigation_chi_amount;
            $ward_inv_pricing->current_chart_of_account = get_name($ward_inv_pricing->investigation_id, "id", "account_id", "investigations");
            $ward_inv_pricing->update();
        }

        // ward services
        $ward_services = WardConsultationsAndService::where(['patient_id' => $patient_id,'episode_id' => $episode_id])->get();
        foreach ($ward_services as $ward_serv) {
            $service_chi_amount = 0;

            if($patient_insurance_status){
                $item_pricing_details = get_item_insurance_pricing($patient_id, $ward_serv->service_id, 1, true, $ward_id);
                $service_amount = $item_pricing_details[2];
                $service_chi_amount = $item_pricing_details[1];
            } else {
                if ($price_list_id) {
                    $service_amount = get_price_list_category_price($price_list_id, 6, $ward_serv->service_id);
                } else {
                    $service_amount = get_name($ward_serv->service_id, "id", "non_insured_price", "services");
                }
            }

            $ward_serv->unit_price = $service_amount;
            $ward_serv->chi_price = $service_chi_amount;
            $ward_serv->current_chart_of_account = get_name($ward_serv->service_id, "id", "account_id", "services");
            $ward_serv->update();
        }

        //ward sundries
        $ward_sundries = WardSundryDispensation::where(['patient_id' => $patient_id,'episode_id' => $episode_id])->get();
        foreach ($ward_sundries as $ward_sundry) {
            $sundry_details = Sundry::find($ward_sundry->sundry_id);
            $sundry_chi_price = 0;

            $ward_sundry->current_chart_of_account = $sundry_details->account_id;
            $ward_sundry->inventory_account = $sundry_details->inventory_account;
            $ward_sundry->cost_of_goods_account = $sundry_details->cost_of_goods_account;
            $ward_sundry->cost_price = $sundry_details->cost_price;

            if($patient_insurance_status){
                $item_pricing_details = get_item_insurance_pricing($patient_id, $ward_sundry->sundry_id, 5, true, $ward_id);
                $sundry_selling_price = $item_pricing_details[2];
                $sundry_chi_price = $item_pricing_details[1];
            } else {
                if ($price_list_id) {
                    $sundry_selling_price = get_price_list_category_price($price_list_id, 5, $ward_sundry->sundry_id);
                } else {
                    $sundry_selling_price = $sundry_details->non_insured_price;
                }
            }

            $ward_sundry->price = $sundry_selling_price;
            $ward_sundry->chi_price = $sundry_chi_price;
            $ward_sundry->update();
        }

        //ward procedures
        $ward_procedures = WardProcedure::where(['patient_id' => $patient_id,'episode_id' => $episode_id])->get();
        foreach ($ward_procedures as $ward_procedure) {
            $procedure_details = Procedure::find($ward_procedure->procedure_id);
            $procedure_chi_price = 0;

            $ward_procedure->current_chart_of_account = $procedure_details->account_id;

            if($patient_insurance_status){
                $item_pricing_details = get_item_insurance_pricing($patient_id, $ward_procedure->procedure_id, 2, true, $ward_id);
                $procedure_selling_price = $item_pricing_details[2];
                $procedure_chi_price = $item_pricing_details[1];
            } else {
                if ($price_list_id) {
                    $procedure_selling_price = get_price_list_category_price($price_list_id, 4, $ward_procedure->procedure_id);
                } else {
                    $procedure_selling_price = $procedure_details->non_insured_price;
                }
            }

            $ward_procedure->hospital_fee = $procedure_selling_price;
            $ward_procedure->chi_price = $procedure_chi_price;
            $ward_procedure->update();
        }

        // opd procedures
        $opd_unpaid_procedures = OrderedProcedure::where(['patient_id' => $patient_id, 'episode_id' => $episode_id,'payment_status' => 0])->get();
        $saved_procedures_prices = [];
        $saved_chi_procedures_prices = [];
        foreach ($opd_unpaid_procedures as $opd_unpaid_procedure) {
            $procedure_ids = explode(",", $opd_unpaid_procedure->procedure_id);

            for ($i = 0; $i < count($procedure_ids) ; $i++) {
                if($patient_insurance_status){
                    $item_insurance_details = get_item_insurance_pricing($patient_id, $procedure_ids[$i], 2, true, $ward_id);
                    $opd_procedure_amount = $item_insurance_details[2];
                    $opd_procedure_insurance_amount = $item_insurance_details[1];
                } else {
                    if ($price_list_id) {
                        $opd_procedure_amount = get_price_list_category_price($price_list_id, 4, $procedure_ids[$i]);
                    } else {
                        $opd_procedure_amount = get_name($procedure_ids[$i], "id", "non_insured_price", "procedures");
                    }
                    $opd_procedure_insurance_amount = 0;
                }

                $saved_procedures_prices[] = $opd_procedure_amount;
                $saved_chi_procedures_prices[] = $opd_procedure_insurance_amount;
            }
        }

        //opd treatments
        $opd_unpaid_treatments = Treatment::where(['patient_id' => $patient_id, 'episode_id' => $episode_id,'payment_status' => 0, 'tta' => 0])->get();
        $saved_drug_prices = [];
        $saved_chi_drug_prices = [];
        foreach ($opd_unpaid_treatments as $opd_treatment) {
            $unit_selling_prices_array = [];
            $opd_drug_ids = explode(",", $opd_treatment->drugs);

            for ($i=0; $i < count($opd_drug_ids) ; $i++) {
                if($patient_insurance_status){
                    $item_insurance_details = get_item_insurance_pricing($patient_id, $opd_drug_ids[$i], 4, true, $ward_id);
                    $treatment_amount = $item_insurance_details[2];
                    $opd_treatment_insurance_amount = $item_insurance_details[1];
                } else {
                    if ($price_list_id) {
                        $treatment_amount = get_price_list_category_price($price_list_id, 3, $opd_drug_ids[$i]);
                    } else {
                        $treatment_amount = get_name($opd_drug_ids[$i], "id", "non_insured_price", "drugs");
                    }
                    $opd_treatment_insurance_amount = 0;
                }

                $unit_selling_prices_array[] = $treatment_amount;
                $saved_drug_prices[] = $treatment_amount;
                $saved_chi_drug_prices[] = $opd_treatment_insurance_amount;
            }
            $opd_treatment->unit_selling_prices = implode(",", $unit_selling_prices_array);
            $opd_treatment->save();
        }

        //opd sundries
        $opd_unpaid_sundries = OrderedSundry::where(['patient_id' => $patient_id, 'episode_id' => $episode_id,'payment_status' => 0])->get();
        $saved_sundry_prices = [];
        $saved_chi_sundry_prices = [];
        foreach ($opd_unpaid_sundries as $opd_sundry_order) {
            $opd_sundry_ids_array = explode(",", $opd_sundry_order->sundries_id);
            $unit_selling_prices_array = [];

            for ($i=0; $i < count($opd_sundry_ids_array) ; $i++) {
                if($patient_insurance_status){
                    $item_insurance_details = get_item_insurance_pricing($patient_id, $opd_sundry_ids_array[$i], 5, true, $ward_id);
                    $opd_sundry_amount = $item_insurance_details[2];
                    $opd_sundry_insurance_amount = $item_insurance_details[1];
                } else {
                    if ($price_list_id) {
                        $opd_sundry_amount = get_price_list_category_price($price_list_id, 5, $opd_sundry_ids_array[$i]);
                    } else {
                        $opd_sundry_amount = get_name($opd_sundry_ids_array[$i], "id", "non_insured_price", "sundries");
                    }
                    $opd_sundry_insurance_amount = 0;
                }

                $unit_selling_prices_array[] = $opd_sundry_amount;
                $saved_sundry_prices[] = $opd_sundry_amount;
                $saved_chi_sundry_prices[] = $opd_sundry_insurance_amount;
            }

            $opd_sundry_order->sundries_id = implode(",", $opd_sundry_ids_array);
            $opd_sundry_order->sundries_amount = implode(",", $unit_selling_prices_array);
            $opd_sundry_order->update();
        }

        //opd services
        $opd_unpaid_services = OrderedService::where(['patient_id' => $patient_id, 'episode_id' => $episode_id,'payment_status' => 0])->get();
        $saved_services_prices = [];
        $saved_chi_services_prices = [];
        foreach($opd_unpaid_services as $opd_used_service){
            $service_ids_array = explode(",", $opd_used_service->service_id);
            $services_amounts_array = [];
            $price_list_id = is_patient_category_attached_to_price_list($patient_id);
            for ($i=0; $i < count($service_ids_array) ; $i++) {
                if($patient_insurance_status){
                    $item_insurance_details = get_item_insurance_pricing($patient_id, $service_ids_array[$i], 1, true, $ward_id);
                    $service_cost = $item_insurance_details[2];
                    $opd_service_insurance = $item_insurance_details[1];
                } else {
                    if ($price_list_id) {
                        $service_cost = get_price_list_category_price($price_list_id, 6, $service_ids_array[$i]);
                    } else{
                        $service_cost = get_name($service_ids_array[$i], "id", "non_insured_price", "services");
                    }
                    $opd_service_insurance = 0;
                }

                $services_amounts_array[] = $service_cost;
                $saved_services_prices[] = $service_cost;
                $saved_chi_services_prices[] = $opd_service_insurance;
            }

            $opd_used_service->service_amount = implode(",", $services_amounts_array);
            $opd_used_service->save();
        }

        $treatment_to_take_away = Treatment::where(['patient_id' => $patient_id, 'episode_id' => $episode_id, 'tta' => 1])->get();
        $saved_tta_prices = [];
        $saved_chi_tta_prices = [];
        foreach($treatment_to_take_away as $treatment) {
            $unit_selling_prices_array = [];
            $opd_drug_ids = explode(",", $treatment->drugs);

            for ($i=0; $i < count($opd_drug_ids) ; $i++) {
                if($patient_insurance_status){
                    $item_insurance_details = get_item_insurance_pricing($patient_id, $opd_drug_ids[$i], 4, true, $ward_id);
                    $treatment_amount = $item_insurance_details[2];
                    $opd_treatment_insurance_amount = $item_insurance_details[1];
                } else {
                    if ($price_list_id) {
                        $treatment_amount = get_price_list_category_price($price_list_id, 3, $opd_drug_ids[$i]);
                    } else {
                        $treatment_amount = get_name($opd_drug_ids[$i], "id", "non_insured_price", "drugs");
                    }
                    $opd_treatment_insurance_amount = 0;
                }

                $unit_selling_prices_array[] = $treatment_amount;
                $saved_tta_prices[] = $treatment_amount;
                $saved_chi_tta_prices[] = $opd_treatment_insurance_amount;
            }
            $treatment->unit_selling_prices = implode(",", $unit_selling_prices_array);
            $treatment->save();
        }

        // save items and prices for OPD items since IPD have their own tables 'cept for investigations
        $inpatient_bill->sundries_item_prices = implode(",", $saved_sundry_prices);
        $inpatient_bill->prescription_treatment_item_prices = implode(",", $saved_drug_prices);
        $inpatient_bill->procedures_item_prices = implode(",", $saved_procedures_prices);
        $inpatient_bill->services_item_prices = implode(",", $saved_services_prices);
        $inpatient_bill->tta_item_prices = implode(",", $saved_tta_prices);

        $inpatient_bill->sundries_item_chi_prices = implode(",", $saved_chi_sundry_prices);
        $inpatient_bill->prescription_treatment_item_chi_prices = implode(",", $saved_chi_drug_prices);
        $inpatient_bill->procedures_item_chi_prices = implode(",", $saved_chi_procedures_prices);
        $inpatient_bill->services_item_chi_prices = implode(",", $saved_chi_services_prices);
        $inpatient_bill->tta_item_chi_prices = implode(",", $saved_chi_tta_prices);
        $inpatient_bill->save();

        flash('Inpatient bill has been re-calculated using the current price list of the patient')->info();
        return redirect('inpatient_billing');
    }

    public function update_ward_consumption_prices_with_price_list($patient_id, $episode_id, $price_list_id)
    {
        //1.ward treatments
        $ward_treatment_dispensations = WardTreatmentDispensation::where(['episode_id' => $episode_id, 'patient_id' => $patient_id])->get();
        if (count($ward_treatment_dispensations) > 0) {
            foreach ($ward_treatment_dispensations as $ward_treatment) {
                $ward_treatment->price = get_price_list_category_price($price_list_id, 3, $ward_treatment->drug_id);
                $ward_treatment->update();
            }
        }

        //2.ward sundries
        $ward_sundry_dispensations = WardSundryDispensation::where(['episode_id' => $episode_id, 'patient_id' => $patient_id])->get();
        if (count($ward_sundry_dispensations) > 0) {
            foreach ($ward_sundry_dispensations as $ward_sundry) {
                $ward_sundry->price = get_price_list_category_price($price_list_id, 5, $ward_sundry->sundry_id);
                $ward_sundry->update();
            }
        }

        //3.ward services
        $ward_consultations_and_services = WardConsultationsAndService::where(['episode_id' => $episode_id, 'patient_id' => $patient_id])->get();
        if (count($ward_consultations_and_services) > 0) {
            foreach ($ward_consultations_and_services as $ward_service) {
                if (is_numeric($ward_service->service_id)) { //make sure it is numeric to cater for staff configured services
                    $ward_service->unit_price = get_price_list_category_price($price_list_id, 6, $ward_service->service_id);
                    $ward_service->update();
                }
            }
        }

        //4.ward procedures
        $ward_procedures = WardProcedure::where(['episode_id' => $episode_id, 'patient_id' => $patient_id])->get();
        if (count($ward_procedures) > 0) {
            foreach ($ward_procedures as $ward_procedure) {
                $ward_procedure->hospital_fee = get_price_list_category_price($price_list_id, 4, $ward_procedure->procedure_id);
                $ward_procedure->update();
            }
        }

        //update the inpatient record for procedures
        $inpatient_info = InpatientInfo::where(['episode_id' => $episode_id, 'patient_id' => $patient_id])->first();
        $inpatient_procedures = @unserialize($inpatient_info->procedures);
        $inpatient_procedures_hospital_fees = @unserialize($inpatient_info->procedure_hospital_fee);
        $procedures_array = $hospital_fees_array = [];
        if(is_array($inpatient_procedures)){
            for ($i = 0; $i < count($inpatient_procedures); $i++){
                $procedures_array[] = $inpatient_procedures[$i];
                $hospital_fees_array[] = get_price_list_category_price($price_list_id, 4, $inpatient_procedures[$i]);
            }
        }
        $inpatient_info->procedures = serialize($procedures_array);
        $inpatient_info->procedure_hospital_fee = serialize($hospital_fees_array);
        $inpatient_info->update();

        //5.ward investigations
        $ward_investigations = WardInvestigationPricing::where(['episode_id' => $episode_id, 'patient_id' => $patient_id])->get();
        if (count($ward_investigations) > 0) {
            foreach ($ward_investigations as $ward_inv) {
                $ward_inv->price = get_price_list_category_price($price_list_id, 2, $ward_inv->investigation_id);
                $ward_inv->update();
            }
        }
    }

    public function delete_inpatient_detailed_notes($id)
    {
        $ward_doctor_notes = WardInpatientDetailedNote::find($id);
        $ward_doctor_notes->delete();

        flash('Notes have been deleted')->success();
        return redirect('in_patient_sheet');
    }

    
    public function update_inpatient_notes(Request $request)
    {
            //pick id from  ajax post request :: id
            $inpatient_notes_id = $request->id;

            // Validate the incoming request data
            $request->validate([
                'history' => 'nullable|string',
                'vitals' => 'nullable|string',
                'result' => 'nullable|string',
                'impression' => 'nullable|string',
                'plan' => 'nullable|string',
            ]);

            try {
                $ward_doctor_notes = WardInpatientDetailedNote::findOrFail($inpatient_notes_id);
                $ward_doctor_notes->history = $request->history;
                $ward_doctor_notes->result = $request->result;
                $ward_doctor_notes->vitals = $request->vitals;
                $ward_doctor_notes->impression = $request->impression;
                $ward_doctor_notes->plan = $request->plan;
                $ward_doctor_notes->save();

                // Return a JSON response indicating success
                return response()->json(['success' => true, 'message' => 'Inpatient notes updated successfully.']);
            } catch (\Exception $e) {
                \Log::error("Error updating inpatient notes: " . $e->getMessage());
                    return response()->json([
                    'success' => false,
                    'message' => 'An error occurred while updating notes.',
                    'error' => $e->getMessage() // Include error message for debugging
                ], 500);
            }
            
        
    }

    public function update_doctor_ward_notes(Request $request){

            $doctor_inpatient_notes_id = $request->id;

            // Validate the incoming request data
            $request->validate([
                'ward_comments' => 'nullable|string',
            ]);

            try {
                $doctor_ward_notes = WardInpatientSheetComment::findOrFail($doctor_inpatient_notes_id);
                $doctor_ward_notes->ward_comments = $request->ward_comments;
                $doctor_ward_notes->save();

                // Return a JSON response indicating success
                return response()->json([
                        'success' => true, 
                        'message' => 'Doctor Ward inpatient notes updated successfully.'
                   ]);
            } catch (\Exception $e) {
                \Log::error("Error updating inpatient notes: " . $e->getMessage());
                    return response()->json([
                    'success' => false,
                    'message' => 'An error occurred while updating notes.',
                    'error' => $e->getMessage() 
                ], 500);
            }


    }

    public function update_nurse_ward_notes(Request $request){

        $nurse_inpatient_notes_id = $request->id;

        // Validate the incoming request data
        $request->validate([
            'ward_comments' => 'nullable|string',
        ]);

        try {
            $doctor_ward_notes = WardInpatientSheetNurseComment::findOrFail($nurse_inpatient_notes_id);
            $doctor_ward_notes->ward_comments = $request->ward_comments;
            $doctor_ward_notes->save();

            // Return a JSON response indicating success
            return response()->json([
                    'success' => true, 
                    'message' => 'Nurse Ward inpatient notes updated successfully.'
               ]);
        } catch (\Exception $e) {
            \Log::error("Error updating inpatient notes: " . $e->getMessage());
                return response()->json([
                'success' => false,
                'message' => 'An error occurred while updating notes.',
                'error' => $e->getMessage() 
            ], 500);
        }
    }

    public function inpatient_detailed_notes_print()
    {
        $patient_id = session()->get('patient_id');
        $episode_id = session()->get('episode_id');

        $patient = Patient::find($patient_id);
        $hospitalInfo = DB::table('hospital_information')->find(1);

        $inpatient_info = InpatientInfo::where(['patient_id' => $patient_id, 'episode_id' => $episode_id])->orderBy('created_at', 'desc')->first();
        $patient_discount = PatientDiscount::where(['patient_category' => $patient->category_id])->select("discount", "pay_later")->first();

        if (!is_null($patient_discount)) {
            $patient_discount->toArray();
        }

        $data = [
            'patient' => $patient,
            'patient_id' => $patient_id,
            'episode_id' => $episode_id,
            'inpatient_info' => $inpatient_info,
            'patient_discount' => $patient_discount,
            'hospitalInfo' => $hospitalInfo,
        ];

        $pdf = SnappyPDF::loadView('ward_management::inpatient/inpatient_detailed_notes_print', $data)
            ->setOrientation('portrait')
            ->setOption('margin-bottom', 7)
            ->setOption('margin-top', 5)
            ->setOption('footer-html', '<i>Stre@mline</i>');


        return $pdf->inline('Inpatient Notes' . date(" d-m-y h:ia") . '.pdf');
    }

    public function save_patient_vitals(Request $request) {
        $vitals_observations = $request->vitals_observations;
        $vitals_value = $request->vitals_value;
        $vitals_datetime = $request->vitals_datetime;
        $patient_id = $request->patient_id;
        $episode_id = $request->episode_id;
        $inpatient_id = $request->inpatient_id;

        $observations = DB::table('observations')
            ->whereNull('deleted_at')
            ->pluck('name', 'id');

        $vitals = [];

        for ($i = 0; $i < count($vitals_observations); $i++) {
            $exploded_date = explode("-", $vitals_datetime[$i]);

            if (!(empty($vitals_observations[$i]) || empty($vitals_value[$i]) ||
                empty($vitals_datetime[$i])) && strtotime($vitals_datetime[$i]) &&
                isset($observations[$vitals_observations[$i]]) && ((int)$exploded_date[0] <= (int)date('Y'))) {
                $vitals[] = [
                    "name" => $observations[$vitals_observations[$i]],
                    "value" => $vitals_value[$i],
                    "time" => $vitals_datetime[$i]
                ];
            }
        }

        if (count($vitals) === 0) {
            return 0;
        }

        $inpatient_vitals = new PatientInpatientVitals();
        $inpatient_vitals->patient_id = $patient_id;
        $inpatient_vitals->episode_id = $episode_id;
        $inpatient_vitals->inpatient_id = $inpatient_id;
        $inpatient_vitals->vitals = json_encode($vitals);
        $inpatient_vitals->created_by = Auth::id();

        try {
            $inpatient_vitals->save();
            return 1;
        } catch (QueryException $exception) {
            return 0;
        }
    }

    public function open_inpatient_bill($id) {
        $inpatient_bill = InpatientBill::find($id);

        // TODO check if the insurance has been changed before opening

        try {
            $inpatient_bill->bill_closed = 0;
            $inpatient_bill->bill_closed_by = NULL;
            $inpatient_bill->bill_closed_at = NULL;
            $inpatient_bill->updated_by = Auth::id();
            $inpatient_bill->save();

            $claim = InsuranceClaim::where('order_id', $id)
                ->where('inpatient_outpatient', 1)->update(['claim_status' => 1]);
        } catch (\ErrorException $e) {
            flash("An error occurred, please try again")->error();
        }

        return redirect('inpatient_billing');
    }

    public function stop_ward_drug(Request $request){
        $ward_prescription_id = $request->ward_prescription_id;
        $drug_id = $request->drug_id;

        $ward_treatment = WardTreatment::find($ward_prescription_id);
        $stopped_drugs_array = is_null($ward_treatment->stopped_drugs) ? [] : explode(",", $ward_treatment->stopped_drugs);
        if (!in_array($drug_id, $stopped_drugs_array)) {
            $stopped_drugs_array[] = $drug_id;
            $stopped_drugs_string = implode(",", $stopped_drugs_array);

            $ward_treatment->stopped_drugs = $stopped_drugs_string;
            $ward_treatment->update();
            return 1;
        }
        return 0;
    }

    public function resume_ward_drug(Request $request){
        $ward_prescription_id = $request->ward_prescription_id;
        $drug_id = $request->drug_id;

        $ward_treatment = WardTreatment::find($ward_prescription_id);
        $stopped_drugs_array = is_null($ward_treatment->stopped_drugs) ? [] : explode(",", $ward_treatment->stopped_drugs);
        if (in_array($drug_id, $stopped_drugs_array)) {

            //get array of stopped drugs and find index of this drug, remove drug from array then implode
            $key = array_search($drug_id, $stopped_drugs_array);
            unset($stopped_drugs_array[$key]);

            $updated_drugs_string = implode(",", $stopped_drugs_array);
            $ward_treatment->stopped_drugs = $updated_drugs_string;
            $ward_treatment->update();
            return 1;
        }
        return 0;
    }
}