<?php

namespace Modules\WardManagement\Http\Controllers;

use Illuminate\Http\Request;
use Streamline\Models\WardSundryDispensation;
use Streamline\Models\WardTreatment;
use Streamline\Models\WardTreatmentDispensation;
use Streamline\Models\WardItemRequest;
use Streamline\Models\WardDispensing;
use Illuminate\Support\Facades\DB;
use Carbon\Carbon;
use Streamline\Models\PatientDispensing;
use Streamline\Models\Requisition;

class WardsConsumptionController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     */
    public function index() {
        return redirect('ward_consumption_report');
    }

    /*
    * Details drill down for the report
    */
    public function wards_consumption_details(Request $request)
    {
        $filters = [];
        $report_by = $request->report_by;
        $ward_id = $request->ward_details_for;
        $drug_id = $request->drug_details_for;
        $start_date = $request->start_date;
        $end_date = $request->end_date;
        $ward_treatment_dispensations = [];
        $ward_sundry_dispensations = [];
        $sundries_issued_to_ward = [];
        $general_items_issued_to_ward = [];
        $sundry_id = null;
        $general_items_id = null;
        $ward_item_request_records = [];
        $general_items_item_request_records = [];

        if($request->search_by_details == 0){
            // last 24 hours
            $last_day = Carbon::now()->subDay();

            array_push($filters, ['created_at', '>', $last_day]);
        } elseif($request->search_by_details == 1){
            // custom date
            $start_date = Carbon::parse($request->start_date)->startOfDay()->toDateTimeString();
            $end_date = Carbon::parse($request->end_date)->endOfDay()->toDateTimeString();

            array_push($filters, ['created_at', '>', $start_date]);
            array_push($filters, ['created_at', '<', $end_date]);
        } elseif($request->search_by_details == 2){
            // custom date range
            $start_date = Carbon::parse($request->start_date)->startOfDay()->toDateTimeString();
            $end_date = Carbon::parse($request->end_date)->endOfDay()->toDateTimeString();

            array_push($filters, ['created_at', '>', $start_date]);
            array_push($filters, ['created_at', '<', $end_date]);
        }

        if ($request->report_by == 3) {
            $sundry_id = $request->sundries_details_for;
            $ward_item_request_records = WardItemRequest::where(['dispensation_status' => 1, 'item_type' => 2])->where($filters)->get();
        }else if ($request->report_by == 4) {
            $sundry_id = $request->sundries_details_for;
            $ward_id = $request->ward_details_for;
            //$ward_item_request_records = WardItemRequest::where(['dispensation_status' => 1, 'item_type' => 2, 'ward_id' => $ward_id])->where($filters)->get();
            $ward_sundry_dispensations = WardSundryDispensation::where('ward_id', $ward_id)->where('sundry_id', $sundry_id)->where($filters)->get();
        } else if ($request->report_by == 6) {
            $general_items_id = $request->general_items_details_for;
            $ward_id = $request->ward_details_for;
            //$ward_item_request_records = WardItemRequest::where(['dispensation_status' => 1, 'item_type' => 2, 'ward_id' => $ward_id])->where($filters)->get();
            $ward_general_items_dispensations = WardSundryDispensation::where('ward_id', $ward_id)->where('general_items_id', $general_items_id)->where($filters)->get();
        }
        else{
            $ward_treatment_dispensations = WardTreatmentDispensation::where('ward_id', $ward_id)->where('drug_id', $drug_id)->where($filters)->get();
        }

        return view('ward_management::wards_consumption.wards_consumption_details',compact('start_date','end_date','ward_id','drug_id','ward_treatment_dispensations','sundries_issued_to_ward', 'sundry_id', 'ward_item_request_records','report_by', 'ward_sundry_dispensations'));
    }

    public function ward_consumption_report(Request $request) {
        $search_complete = true;
        $consumption_filters = $ward_item_filters = [];
        $selected_drug_id = 0;
        $selected_sundry_id = 0;
        $selected_general_items_id = 0;
        $start_date = null; $end_date = null;
        $report_by = $request->report_by;
        $ward_id = $request->ward_id;
        $search_text = "";

        $wards = DB::table('wards')->where('available', 1)->whereNull('deleted_at')->orderBy('name')->pluck('name', 'id')->toArray();
        $wards = ['' => '- select -'] + $wards;

        $drugs = DB::table('drugs')->where('available', 1)->whereNull('deleted_at')->orderBy('name')->pluck('name', 'id')->toArray();
        $drugs = ['' => '- select -'] + $drugs;

        $sundries = DB::table('sundries')->whereNull('deleted_at')->orderBy('name')->pluck('name', 'id')->toArray();
        $sundries = ['' => '- select -'] + $sundries;

        $general_items = DB::table('general_items')->whereNull('deleted_at')->orderBy('name')->pluck('name', 'id')->toArray();
        $general_items = ['' => '- select -'] + $general_items;

        if($request->search_by == 0){
            // last 24 hours
            $last_day = Carbon::now()->subDay();
            array_push($consumption_filters, ['created_at', '>', $last_day]);
            array_push($ward_item_filters, ['dispensation_date', '>', $last_day]);
        } elseif($request->search_by == 1){
            // custom date
            $start_date = Carbon::parse($request->reg_date)->startOfDay()->toDateTimeString();
            $end_date = Carbon::parse($request->reg_date)->endOfDay()->toDateTimeString();

            array_push($consumption_filters, ['created_at', '>', $start_date]);
            array_push($consumption_filters, ['created_at', '<', $end_date]);
            array_push($ward_item_filters, ['dispensation_date', '>', $start_date]);
            array_push($ward_item_filters, ['dispensation_date', '<', $end_date]);
        } elseif($request->search_by == 2){
            // custom date range
            $start_date = Carbon::parse($request->start_date)->startOfDay()->toDateTimeString();
            $end_date = Carbon::parse($request->end_date)->endOfDay()->toDateTimeString();

            array_push($consumption_filters, ['created_at', '>', $start_date]);
            array_push($consumption_filters, ['created_at', '<', $end_date]);
            array_push($ward_item_filters, ['dispensation_date', '>', $start_date]);
            array_push($ward_item_filters, ['dispensation_date', '<', $end_date]);
        }

        //loop through the collections and from an array
        $patient_consumptions = $item_ids = $array_of_wards_to_loop = $patient_ids = [];
        $item_consumption = $item_requests = [];

        if ($request->report_by == 1) {
            # report by drugs consumption per ward
            //$ward_prescription_results = WardTreatment::where('ward_id', $ward_id)->where($consumption_filters)->get();
            $ward_treatment_dispensation_results = WardTreatmentDispensation::where('ward_id', $ward_id)->where($consumption_filters)->get();
            $ward_item_requests_results = WardItemRequest::where(['dispensation_status' => 1, 'item_type' => 1, 'ward_id' => $ward_id])->where($ward_item_filters)->get();
            $ward_dispensing_results = WardDispensing::where(['ward_id'=>$ward_id])->where($consumption_filters)->get();
            $results = Requisition::where($consumption_filters)->get();

            foreach ($ward_dispensing_results as $ward_dispensing) {
                $issued_item_ids = explode(",", $ward_dispensing->drug_id);
                $issued_item_quantities = explode(",", $ward_dispensing->quantity_dispensed);
                for ($i=0; $i < count($issued_item_ids) ; $i++) {
                    if(!in_array($issued_item_ids[$i], $item_ids)) {$item_ids[] = $issued_item_ids[$i];}

                    if (isset($item_consumption[$issued_item_ids[$i]])) {
                        $item_consumption[$issued_item_ids[$i]] += (isset($issued_item_quantities[$i]) && is_numeric($issued_item_quantities[$i])) ? $issued_item_quantities[$i] : 0;
                    } else {
                        $item_consumption[$issued_item_ids[$i]] = (isset($issued_item_quantities[$i]) && is_numeric($issued_item_quantities[$i])) ? $issued_item_quantities[$i] : 0;
                    }
                }
            }

            foreach ($ward_treatment_dispensation_results as $dispensation_record) {
                if(!in_array($dispensation_record->drug_id, $item_ids))  $item_ids[] = $dispensation_record->drug_id;
                $patient_ids[$dispensation_record->drug_id][] = $dispensation_record->patient_id;
                $episode_ids[] = ['episode_id'=>$dispensation_record->episode_id, 'patient_id'=>$dispensation_record->patient_id, 'drug_id'=>$dispensation_record->drug_id];
                $patient_consumptions[$dispensation_record->drug_id] = $dispensation_record->quantity_given + ($patient_consumptions[$dispensation_record->drug_id] ?? 0);
            }

            foreach ($ward_item_requests_results as $ward_item_request) {
                $issued_item_ids = explode(",", $ward_item_request->item_ids_issued_out);
                $issued_item_quantities = explode(",", $ward_item_request->quantity_issued_out);
                for ($i=0; $i < count($issued_item_ids) ; $i++) {
                    if(!in_array($issued_item_ids[$i], $item_ids)) {$item_ids[] = $issued_item_ids[$i];}
                    if (isset($item_consumption[$issued_item_ids[$i]])) {
                        $item_consumption[$issued_item_ids[$i]] += (isset($issued_item_quantities[$i]) && is_numeric($issued_item_quantities[$i])) ? $issued_item_quantities[$i] : 0;
                    } else {
                        $item_consumption[$issued_item_ids[$i]] = (isset($issued_item_quantities[$i]) && is_numeric($issued_item_quantities[$i])) ? $issued_item_quantities[$i] : 0;
                    }
                }

                $requested_item_ids = explode(",", $ward_item_request->item_ids);
                $requested_item_quantities = explode(",", $ward_item_request->item_quantities);
                for ($i=0; $i < count($requested_item_ids) ; $i++) {
                    if(!in_array($requested_item_ids[$i], $item_ids)) {$item_ids[] = $requested_item_ids[$i];}
                    if (isset($item_requests[$requested_item_ids[$i]])) {
                        $item_requests[$requested_item_ids[$i]] += (isset($requested_item_quantities[$i]) && is_numeric($requested_item_quantities[$i])) ? $requested_item_quantities[$i] : 0;
                    } else {
                        $item_requests[$requested_item_ids[$i]] = (isset($requested_item_quantities[$i]) && is_numeric($requested_item_quantities[$i])) ? $requested_item_quantities[$i] : 0;
                    }
                }
            }

            $search_text = "Results for <b>" . ($wards[$ward_id] ?? 'N/A') . "</b> from " . streamline_date($start_date) . " to " . streamline_date($end_date);

            if ($ward_id == "pharmacy") {
                if (count($results) > 0) {
                    foreach ($results as $pharmacy_record) {
                        $issued_item_ids = explode(",", $pharmacy_record->item_ids_issued_out);
                        $issued_item_quantities = explode(",", $pharmacy_record->quantity_issued);

                        for ($i=0; $i < count($issued_item_ids) ; $i++) {
                            if(!in_array($issued_item_ids[$i], $item_ids)) {$item_ids[] = $issued_item_ids[$i];}
                            if (isset($item_consumption[$issued_item_ids[$i]])) {
                                $item_consumption[$issued_item_ids[$i]] += (isset($issued_item_quantities[$i]) && is_numeric($issued_item_quantities[$i])) ? $issued_item_quantities[$i] : 0;
                            } else {
                                $item_consumption[$issued_item_ids[$i]] = (isset($issued_item_quantities[$i]) && is_numeric($issued_item_quantities[$i])) ? $issued_item_quantities[$i] : 0;
                            }
                        }

                        $requested_item_ids = explode(",", $pharmacy_record->drug_id);
                        $requested_item_quantities = explode(",", $pharmacy_record->quantity_requested);
                        for ($i=0; $i < count($requested_item_ids) ; $i++) {
                            if(!in_array($requested_item_ids[$i], $item_ids)) {$item_ids[] = $requested_item_ids[$i];}
                            if (isset($item_requests[$requested_item_ids[$i]])) {
                                $item_requests[$requested_item_ids[$i]] += (isset($requested_item_quantities[$i]) && is_numeric($requested_item_quantities[$i])) ? $requested_item_quantities[$i] : 0;
                            } else {
                                $item_requests[$requested_item_ids[$i]] = (isset($requested_item_quantities[$i]) && is_numeric($requested_item_quantities[$i])) ? $requested_item_quantities[$i] : 0;
                            }
                        }
                    }
                }
                $search_text = "Results for <b>Pharmacy</b> from " . streamline_date($start_date) . " to " . streamline_date($end_date);
            }
        } elseif ($request->report_by == 2) {
            # report for drug
            $selected_drug_id = $request->drug_id;
            $ward_treatment_dispensation_results = WardTreatmentDispensation::where('ward_id', 2)->where($consumption_filters)->get();
            $ward_item_requests_results = WardItemRequest::where(['dispensation_status' => 1, 'item_type' => 1])->where($ward_item_filters)->get();
            $ward_dispensing_results = WardDispensing::where($consumption_filters)->whereRaw('FIND_IN_SET(' . $selected_drug_id . ',drug_id)')->get();
            $results = DB::table('requisitions')->select('*')->whereNull('deleted_at')->where('quotation_type_id', 1)->whereRaw('FIND_IN_SET(' . $selected_drug_id . ',drug_id)')->whereBetween('created_at', [$start_date, $end_date])->get();

            if (count($results) > 0) {
                foreach ($results as $pharmacy_record) {
                    $issued_item_ids = explode(",", $pharmacy_record->item_ids_issued_out);
                    $issued_item_quantities = explode(",", $pharmacy_record->quantity_issued);
                    for ($i=0; $i < count($issued_item_ids) ; $i++) {
                        if ($selected_drug_id == $issued_item_ids[$i]) {
                            if(!in_array("pharmacy", $array_of_wards_to_loop)) {$array_of_wards_to_loop[] = "pharmacy";}
                            if (isset($item_consumption["pharmacy"])) {
                                $item_consumption["pharmacy"] += (isset($issued_item_quantities[$i]) && is_numeric($issued_item_quantities[$i])) ? $issued_item_quantities[$i] : 0;
                            } else {
                                $item_consumption["pharmacy"] = (isset($issued_item_quantities[$i]) && is_numeric($issued_item_quantities[$i])) ? $issued_item_quantities[$i] : 0;
                            }
                        }
                    }

                    //requested ids loop
                    $req_item_ids = explode(",", $pharmacy_record->drug_id);
                    $req_item_quantities = explode(",", $pharmacy_record->quantity_requested);
                    for ($i=0; $i < count($req_item_ids) ; $i++) {
                        if ($selected_drug_id == $req_item_ids[$i]) {
                            if(!in_array("pharmacy", $array_of_wards_to_loop)) {$array_of_wards_to_loop[] = "pharmacy";}
                            if (isset($item_requests["pharmacy"])) {
                                $item_requests["pharmacy"] += (isset($req_item_quantities[$i]) && is_numeric($req_item_quantities[$i])) ? $req_item_quantities[$i] : 0;
                            } else {
                                $item_requests["pharmacy"] = (isset($req_item_quantities[$i]) && is_numeric($req_item_quantities[$i])) ? $req_item_quantities[$i] : 0;
                            }
                        }
                    }
                }
            }

            if (count($ward_dispensing_results) > 0) {
                foreach ($ward_dispensing_results as $ward_dispensing) {
                    $issued_item_ids = explode(",", $ward_dispensing->drug_id);
                    $issued_item_quantities = explode(",", $ward_dispensing->quantity_dispensed);
                    for ($i=0; $i < count($issued_item_ids) ; $i++) {
                        if ($selected_drug_id == $issued_item_ids[$i]) {
                            if(!in_array($ward_dispensing->ward_id, $array_of_wards_to_loop)) {$array_of_wards_to_loop[] = $ward_dispensing->ward_id;}
                            if (isset($item_consumption[$ward_dispensing->ward_id])) {
                                $item_consumption[$ward_dispensing->ward_id] += is_numeric($issued_item_quantities[$i]) ? $issued_item_quantities[$i] : 0;
                            } else {
                                $item_consumption[$ward_dispensing->ward_id] = is_numeric($issued_item_quantities[$i]) ? $issued_item_quantities[$i] : 0;
                            }
                        }
                    }
                }
            }

            if (count($ward_treatment_dispensation_results) > 0) {
                foreach ($ward_treatment_dispensation_results as $dispensation_record) {
                    if ($selected_drug_id == $dispensation_record->drug_id) {
                        if(!in_array($dispensation_record->ward_id, $array_of_wards_to_loop)) {$array_of_wards_to_loop[] = $dispensation_record->ward_id;}

                        $patient_consumptions[$dispensation_record->ward_id] = $dispensation_record->quantity_given + ($patient_consumptions[$dispensation_record->ward_id] ?? 0);
                    }
                    $patient_ids[$dispensation_record->drug_id][] = $dispensation_record->patient_id;
                }
            }

            if (count($ward_item_requests_results) > 0) {
                foreach ($ward_item_requests_results as $ward_item_request) {
                    //issued out loop
                    $issued_item_ids = explode(",", $ward_item_request->item_ids_issued_out);
                    $issued_item_quantities = explode(",", $ward_item_request->quantity_issued_out);
                    for ($i=0; $i < count($issued_item_ids) ; $i++) {
                        if ($selected_drug_id == $issued_item_ids[$i]) {
                            if(!in_array($ward_item_request->ward_id, $array_of_wards_to_loop)) {$array_of_wards_to_loop[] = $ward_item_request->ward_id;}
                            if (isset($item_consumption[$ward_item_request->ward_id])) {
                                $item_consumption[$ward_item_request->ward_id] += is_numeric($issued_item_quantities[$i]) ? $issued_item_quantities[$i] : 0;
                            } else {
                                $item_consumption[$ward_item_request->ward_id] = is_numeric($issued_item_quantities[$i]) ? $issued_item_quantities[$i] : 0;
                            }
                        }
                    }

                    //requested ids loop
                    $req_item_ids = explode(",", $ward_item_request->item_ids);
                    $req_item_quantities = explode(",", $ward_item_request->item_quantities);
                    for ($i=0; $i < count($req_item_ids) ; $i++) {
                        if ($selected_drug_id == $req_item_ids[$i]) {
                            if(!in_array($ward_item_request->ward_id, $array_of_wards_to_loop)) {$array_of_wards_to_loop[] = $ward_item_request->ward_id;}
                            if (isset($item_requests[$ward_item_request->ward_id])) {
                                $item_requests[$ward_item_request->ward_id] += (isset($req_item_quantities[$i]) && is_numeric($req_item_quantities[$i])) ? $req_item_quantities[$i] : 0;
                            } else {
                                $item_requests[$ward_item_request->ward_id] = (isset($req_item_quantities[$i]) && is_numeric($req_item_quantities[$i])) ? $req_item_quantities[$i] : 0;
                            }
                        }
                    }
                }
            }

            $opd_dispensations = PatientDispensing::where($consumption_filters)->get();
            if (count($opd_dispensations) > 0) {
                foreach ($opd_dispensations as $opd_record) {
                    $opd_drugs_array = explode(",", $opd_record->drugs);
                    $opd_quantities_array = explode(",", $opd_record->quantity_dispensed);
                    for ($i=0; $i < count($opd_drugs_array); $i++) {
                        if ($selected_drug_id == $opd_drugs_array[$i]) {
                            if(!in_array("pharmacy", $array_of_wards_to_loop)) {$array_of_wards_to_loop[] = "pharmacy";}

                            $patient_consumptions["pharmacy"] = ($opd_quantities_array[$i] ?? 0) + ($patient_consumptions["pharmacy"] ?? 0);
                        }
                    }
                }
            }

            $search_text = "Results for <b>" . ($drugs[$selected_drug_id] ?? 'N/A') . "</b> from " . streamline_date($start_date) . " to " . streamline_date($end_date);
        } elseif ($request->report_by == 3) {
            # report for sundry
            $selected_sundry_id = $request->sundry_id;
            $ward_item_requests_results = WardItemRequest::where(['dispensation_status' => 1, 'item_type' => 2])->where($ward_item_filters)->get();
            $ward_sundry_dispensation_results = WardSundryDispensation::where($consumption_filters)->get();

            if (count($ward_item_requests_results) > 0) {
                foreach ($ward_item_requests_results as $ward_item_request) {
                    $issued_item_ids = explode(",", $ward_item_request->item_ids_issued_out);
                    $issued_item_quantities = explode(",", $ward_item_request->quantity_issued_out);
                    for ($i=0; $i < count($issued_item_ids) ; $i++) {
                        if ($selected_sundry_id == $issued_item_ids[$i]) {
                            if(!in_array($ward_item_request->ward_id, $array_of_wards_to_loop)) {$array_of_wards_to_loop[] = $ward_item_request->ward_id;}
                            if (isset($item_consumption[$ward_item_request->ward_id])) {
                                $item_consumption[$ward_item_request->ward_id] += is_numeric($issued_item_quantities[$i]) ? $issued_item_quantities[$i] : 0;
                            } else {
                                $item_consumption[$ward_item_request->ward_id] = is_numeric($issued_item_quantities[$i]) ? $issued_item_quantities[$i] : 0;
                            }
                        }
                    }
                }
            }

            foreach ($ward_sundry_dispensation_results as $dispensation_record) {
                if ($selected_sundry_id == $dispensation_record->sundry_id) {
                    if(!in_array($dispensation_record->ward_id, $array_of_wards_to_loop)) {$array_of_wards_to_loop[] = $dispensation_record->ward_id;}
                    if (isset($patient_consumptions[$dispensation_record->ward_id])) {
                        $patient_consumptions[$dispensation_record->ward_id] += $dispensation_record->quantity_given;
                    } else {
                        $patient_consumptions[$dispensation_record->ward_id] = $dispensation_record->quantity_given;
                    }
                    $patient_ids[$dispensation_record->sundry_id][] = $dispensation_record->patient_id;
                }
            }

            $search_text = "Results for <b>" . ($sundries[$selected_sundry_id] ?? 'N/A') . "</b> from " . streamline_date($start_date) . " to " . streamline_date($end_date);
        } elseif ($request->report_by == 4) {
            # report for sundries consumption per ward
            $ward_sundry_dispensation_results = WardSundryDispensation::where('ward_id', $ward_id)->where($consumption_filters)->get();
            $ward_item_requests_results = WardItemRequest::where(['dispensation_status' => 1, 'item_type' => 2, 'ward_id' => $ward_id])->where($ward_item_filters)->get();

            if (count($ward_sundry_dispensation_results) > 0) {
                foreach ($ward_sundry_dispensation_results as $sundry_dispensation) {
                    if(!in_array($sundry_dispensation->sundry_id, $item_ids)) {$item_ids[] = $sundry_dispensation->sundry_id;}
                    if (isset($patient_consumptions[$sundry_dispensation->sundry_id])) {
                        $patient_consumptions[$sundry_dispensation->sundry_id] += $sundry_dispensation->quantity_given;
                    } else {
                        $patient_consumptions[$sundry_dispensation->sundry_id] = $sundry_dispensation->quantity_given;
                    }
                    $patient_ids[$sundry_dispensation->sundry_id][] = $sundry_dispensation->patient_id;
                }
            }

            if (count($ward_item_requests_results) > 0) {
                foreach ($ward_item_requests_results as $ward_item_request) {
                    $issued_item_ids = explode(",", $ward_item_request->item_ids);
                    $issued_item_quantities = explode(",", $ward_item_request->quantity_issued_out);
                    for ($i=0; $i < count($issued_item_ids) ; $i++) {
                        if(!in_array($issued_item_ids[$i], $item_ids)) {$item_ids[] = $issued_item_ids[$i];}
                        if (isset($item_consumption[$issued_item_ids[$i]])) {
                            $item_consumption[$issued_item_ids[$i]] += (isset($issued_item_quantities[$i]) && is_numeric($issued_item_quantities[$i])) ? $issued_item_quantities[$i] : 0;
                        } else {
                            $item_consumption[$issued_item_ids[$i]] = (isset($issued_item_quantities[$i]) && is_numeric($issued_item_quantities[$i])) ? $issued_item_quantities[$i] : 0;
                        }
                    }
                }
            }

            $search_text = "Results for <b>" . ($wards[$ward_id] ?? 'N/A') . "</b> from " . streamline_date($start_date) . " to " . streamline_date($end_date);
        } elseif ($request->report_by == 5) {
            # report for general items
            $selected_general_items_id = $request->general_items_id;
            $ward_treatment_dispensation_results = WardTreatmentDispensation::where($consumption_filters)->get();
            $ward_item_requests_results = WardItemRequest::where(['dispensation_status' => 1, 'item_type' => 1])->where($ward_item_filters)->get();
            $ward_dispensing_results = WardDispensing::where($consumption_filters)->get();
            $general_items_ids_array = [];

            if (count($ward_dispensing_results) > 0) {
                foreach ($ward_dispensing_results as $ward_dispensing) {
                    $issued_item_ids = explode(",", $ward_dispensing->drug_id);
                    $issued_item_quantities = explode(",", $ward_dispensing->quantity_dispensed);
                    for ($i=0; $i < count($issued_item_ids) ; $i++) {
                        if ($selected_drug_id == $issued_item_ids[$i]) {
                            if(!in_array($ward_dispensing->ward_id, $array_of_wards_to_loop)) {$array_of_wards_to_loop[] = $ward_dispensing->ward_id;}
                            if (isset($item_consumption[$ward_dispensing->ward_id])) {
                                $item_consumption[$ward_dispensing->ward_id] += is_numeric($issued_item_quantities[$i]) ? $issued_item_quantities[$i] : 0;
                            } else {
                                $item_consumption[$ward_dispensing->ward_id] = is_numeric($issued_item_quantities[$i]) ? $issued_item_quantities[$i] : 0;
                            }
                        }
                    }
                }
            }

            if (count($ward_treatment_dispensation_results) > 0) {
                foreach ($ward_treatment_dispensation_results as $dispensation_record) {
                    if ($selected_drug_id == $dispensation_record->drug_id) {
                        if(!in_array($dispensation_record->ward_id, $array_of_wards_to_loop)) {$array_of_wards_to_loop[] = $dispensation_record->ward_id;}
                        if (isset($patient_consumptions[$dispensation_record->ward_id])) {
                            $patient_consumptions[$dispensation_record->ward_id] += $dispensation_record->quantity_given;
                        } else {
                            $patient_consumptions[$dispensation_record->ward_id] = $dispensation_record->quantity_given;
                        }
                    }
                    $patient_ids[$dispensation_record->drug_id][] = $dispensation_record->patient_id;
                }
            }

            if (count($ward_item_requests_results) > 0) {
                foreach ($ward_item_requests_results as $ward_item_request) {
                    $issued_item_ids = explode(",", $ward_item_request->item_ids);
                    $issued_item_quantities = explode(",", $ward_item_request->quantity_issued_out);
                    for ($i=0; $i < count($issued_item_ids) ; $i++) {
                        if ($selected_drug_id == $issued_item_ids[$i]) {
                            if(!in_array($ward_item_request->ward_id, $array_of_wards_to_loop)) {$array_of_wards_to_loop[] = $ward_item_request->ward_id;}
                            if (isset($item_consumption[$ward_item_request->ward_id])) {
                                $item_consumption[$ward_item_request->ward_id] += is_numeric($issued_item_quantities[$i]) ? $issued_item_quantities[$i] : 0;
                            } else {
                                $item_consumption[$ward_item_request->ward_id] = is_numeric($issued_item_quantities[$i]) ? $issued_item_quantities[$i] : 0;
                            }
                        }
                    }
                }
            }

            $search_text = "Results for <b>" . ($general_items[$selected_general_items_id] ?? 'N/A') . "</b> from " . streamline_date($start_date) . " to " . streamline_date($end_date);
        } elseif ($request->report_by == 6) {
            $ward_item_requests_results = WardItemRequest::where(['dispensation_status' => 1, 'item_type' => 3, 'ward_id' => $ward_id])->where($ward_item_filters)->get();

            if (count($ward_item_requests_results) > 0) {
                foreach ($ward_item_requests_results as $ward_item_request) {
                    $issued_item_ids = explode(",", $ward_item_request->item_ids);
                    $issued_item_quantities = explode(",", $ward_item_request->quantity_issued_out);
                    for ($i=0; $i < count($issued_item_ids) ; $i++) {

                        if(!in_array($issued_item_ids[$i], $item_ids)) {
                            $item_ids[] = $issued_item_ids[$i];
                        }

                        if (isset($item_consumption[$issued_item_ids[$i]])) {
                            $item_consumption[$issued_item_ids[$i]] += (isset($issued_item_quantities[$i]) && is_numeric($issued_item_quantities[$i])) ? $issued_item_quantities[$i] : 0;
                        } else {
                            $item_consumption[$issued_item_ids[$i]] = (isset($issued_item_quantities[$i]) && is_numeric($issued_item_quantities[$i])) ? $issued_item_quantities[$i] : 0;
                        }
                    }
                }
            }

            $search_text = "Results for <b>" . ($wards[$ward_id] ?? 'N/A') . "</b> from " . streamline_date($start_date) . " to " . streamline_date($end_date);
        }

        return view('ward_management::wards_consumption.ward_consumption_report',compact('start_date', 'end_date', 'wards', 'drugs','patient_ids', 'sundries', 'general_items', 'search_complete', 'report_by', 'ward_id', 'item_ids',
            'patient_consumptions', 'array_of_wards_to_loop', 'selected_drug_id', 'selected_sundry_id', 'selected_general_items_id', 'search_text', 'item_consumption', 'start_date', 'end_date','item_requests'));
    }

    public function patient_drill_down(Request $request) {
        $item_id = $request->item_id;
        $start_date = $request->start_date;
        $end_date = $request->end_date;
        $ward_id = $request->ward_id;
        $wards = unserialize($request->wards);
        $patient_id_array = unserialize($request->patient_ids);
        $ward_name = $wards[$ward_id];
        if ($request->report_by == 1) {
            $patients_results = WardTreatmentDispensation::join('patients', 'patients.id', '=', 'ward_treatment_dispensations.patient_id')
                ->leftjoin('inpatient_info', 'inpatient_info.episode_id', 'ward_treatment_dispensations.episode_id')
                ->whereBetween('ward_treatment_dispensations.created_at', [$start_date, $end_date])->where([['drug_id', $item_id],['ward_treatment_dispensations.ward_id', $ward_id]])
                ->get(['ward_treatment_dispensations.quantity_given', 'ward_treatment_dispensations.created_at as date_given',
                    'patients.number', 'patients.id', 'patients.gender', 'patients.date_of_birth', 'ward_treatment_dispensations.episode_id', 'primary_diagnosis','other_diagnoses','right_eye_diagnosis','left_eye_diagnosis']);
            $name = get_name($item_id, 'id', 'name', 'drugs');
        } elseif ($request->report_by == 3) {
            $patients_results = WardSundryDispensation::join('patients', 'patients.id', '=', 'ward_sundry_dispensations.patient_id')
                ->whereBetween('ward_sundry_dispensations.created_at', [$start_date, $end_date])->where('sundry_id', $item_id)
                ->where('ward_id', $ward_id)->get(['ward_sundry_dispensations.quantity_given', 'ward_sundry_dispensations.created_at as date_given',
                    'patients.number', 'patients.id', 'patients.gender', 'patients.date_of_birth']);
            $name = get_name($item_id, 'id', 'name', 'sundries');
        } elseif ($request->report_by == 4) {
            $patients_results = WardSundryDispensation::join('patients', 'patients.id', '=', 'ward_sundry_dispensations.patient_id')
                ->whereBetween('ward_sundry_dispensations.created_at', [$start_date, $end_date])->where('sundry_id', $item_id)
                ->where('ward_id', $ward_id)->get(['ward_sundry_dispensations.quantity_given', 'ward_sundry_dispensations.created_at as date_given',
                    'patients.number', 'patients.id', 'patients.gender', 'patients.date_of_birth']);
            $name = get_name($item_id, 'id', 'name', 'sundries');
        } else {
            return redirect('ward_consumption_report');
        }
        return view('ward_management::wards_consumption.patient_drill_down', compact('patients_results', 'name', 'ward_name'));
    }

    public function issued_items_drill_down(Request $request){
        //form variables for search form
        $wards = DB::table('wards')->where('available', 1)->whereNull('deleted_at')->orderBy('name')->pluck('name', 'id')->toArray();
        $wards = ['' => '- select -'] + $wards;
        $wards = ['pharmacy' => 'Pharmacy'] + $wards;
        $drugs = DB::table('drugs')->where('available', 1)->whereNull('deleted_at')->orderBy('name')->pluck('name', 'id')->toArray();
        $drugs = ['' => '- select -'] + $drugs;

        $sundries = DB::table('sundries')->whereNull('deleted_at')->orderBy('name')->pluck('name', 'id')->toArray();
        $sundries = ['' => '- select -'] + $sundries;
        $general_items = DB::table('general_items')->whereNull('deleted_at')->orderBy('name')->pluck('name', 'id')->toArray();
        $general_items = ['' => '- select -'] + $general_items;
        $quotation_type_id = $item_type = 0;

        //sent via request
        $item_id = $request->item_id;
        $start_date = $request->start_date;
        $end_date = $request->end_date;
        $ward_id = $request->ward_id;
        $report_by = $request->report_by;
        $wards = unserialize($request->wards);
        $patient_id_array = unserialize($request->patient_ids);
        $ward_name = $wards[$ward_id];
        // if (isset($request->start_date) && isset($request->end_date)) {
        //     $start_date_string = Carbon::createFromFormat('Y-m-d', $start_date)->toDateTimeString();
        //     $end_date_string = Carbon::createFromFormat('Y-m-d', $end_date)->toDateTimeString();
        // } else {
        //     $start_date_string = Carbon::now()->toDateTimeString();
        //     $end_date_string = Carbon::now()->toDateTimeString();
        // }
        $display = "Records details between " . streamline_date($start_date) . " and " . streamline_date($end_date);
        $results = $ward_results = [];

        if ($request->report_by == 1) {
            // report by ward
            if ($ward_id == "pharmacy") {
                $results = DB::table('requisitions')
                    ->select('*')->whereNull('deleted_at')
                    ->where('quotation_type_id', 1)
                    ->whereRaw('FIND_IN_SET(' . $item_id . ',drug_id)')
                    ->whereBetween('created_at', [$start_date, $end_date])
                    ->get();
                $display = "Records details for Pharmacy between " . streamline_date($start_date) . " and " . streamline_date($end_date);
            } else {
                $ward_results = DB::table('ward_item_requests')
                    ->select('*')->whereNull('deleted_at')
                    ->where(['item_type' => $quotation_type_id, 'ward_id' => $ward_id])
                    ->whereRaw('FIND_IN_SET(' . $item_id . ',item_ids_issued_out)')
                    ->whereBetween('created_at', [$start_date, $end_date])
                    ->get();
                $display = "Records details for ".get_name($ward_id, "id", "name", "wards")." between " . streamline_date($start_date) . " and " . streamline_date($end_date);
            }
        } elseif ($request->report_by == 2) {
            //report by drugs
            $quotation_type_id = $item_type = 1;
            if ($ward_id == "pharmacy") {
                $results = DB::table('requisitions')
                    ->select('*')->whereNull('deleted_at')
                    ->where('quotation_type_id', $quotation_type_id)
                    ->whereRaw('FIND_IN_SET(' . $item_id . ',drug_id)')
                    ->whereBetween('created_at', [$start_date, $end_date])
                    ->get();
                $display = "Records details for Pharmacy between " . streamline_date($start_date) . " and " . streamline_date($end_date);
            } else {
                $ward_results = DB::table('ward_item_requests')
                    ->select('*')->whereNull('deleted_at')
                    ->where(['item_type' => $quotation_type_id, 'ward_id' => $ward_id])
                    ->whereRaw('FIND_IN_SET(' . $item_id . ',item_ids_issued_out)')
                    ->whereBetween('created_at', [$start_date, $end_date])
                    ->get();

                $display = "Records details for ".get_name($ward_id, "id", "name", "wards")." between " . streamline_date($start_date) . " and " . streamline_date($end_date);
            }
        } elseif ($request->report_by == 3) {
            if ($ward_id == "pharmacy") {
                $results = DB::table('requisitions')
                    ->select('*')->whereNull('deleted_at')
                    ->where('quotation_type_id', 2)
                    ->whereRaw('FIND_IN_SET(' . $item_id . ',drug_id)')
                    ->whereBetween('created_at', [$start_date, $end_date])
                    ->get();
                $display = "Records details for Pharmacy between " . streamline_date($start_date) . " and " . streamline_date($end_date);
            } else {
                $ward_results = DB::table('ward_item_requests')
                    ->select('*')->whereNull('deleted_at')
                    ->where(['item_type' => 2, 'ward_id' => $ward_id])
                    ->whereRaw('FIND_IN_SET(' . $item_id . ',item_ids_issued_out)')
                    ->whereBetween('created_at', [$start_date, $end_date])
                    ->get();

                $display = "Records details for ".get_name($ward_id, "id", "name", "wards")." between " . streamline_date($start_date) . " and " . streamline_date($end_date);
            }
        }

        return view('ward_management::wards_consumption.issued_items_drill_down', compact('start_date', 'end_date', 'wards', 'drugs', 'sundries', 'general_items', 'report_by', 'display', 'results', 'display', 'item_id', 'ward_results', 'item_type'));
    }
}