<?php

namespace Streamline\Http\Controllers;

use Illuminate\Support\Facades\DB;
use Streamline\Models\InsuranceMember;
use Streamline\Models\MessageBoard;
use Streamline\Models\Patient;
use Streamline\Models\StreamlineSetupStep;

class HomeController extends Controller
{
    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('auth');
    }

    /**
     * Show the application dashboard.
     *
     */
    public function index() {
        /*
        * -check if it is the first time of using this system then go through the the process of setting up else show the home page 
        */
        $setup_steps = StreamlineSetupStep::where('completion_status', 1)->orderBy('id')->get();
        $last_setup_step = $setup_steps->last();

        if (is_null($last_setup_step)){
            session()->put(['streamline_setup' => 1]);
            return redirect('hospital_information/create');
        } elseif ($last_setup_step->step == "hospital registration") {
            session()->put(['streamline_setup' => 1]);
            return redirect('clinics/create');
        } elseif ($last_setup_step->step == "clinics registration") {
            session()->put(['streamline_setup' => 1]);
            return redirect('wards/create');
        } elseif ($last_setup_step->step == "wards registration") {
            session()->put(['streamline_setup' => 1]);
            return redirect('service_items/create');
        } elseif ($last_setup_step->step == "services registration") {
            session()->put(['streamline_setup' => 1]);
            return redirect('investigations/create');
        } elseif ($last_setup_step->step == "investigations registration") {
            session()->put(['streamline_setup' => 1]);
            return redirect('drugs/create');
        } elseif ($last_setup_step->step == "drugs registration") {
            session()->put(['streamline_setup' => 1]);
            return redirect('procedures/create');
        } elseif ($last_setup_step->step == "procedures registration") {
            session()->put(['streamline_setup' => 1]);
            return redirect('sundries/create');
        } elseif ($last_setup_step->step == "general settings configuration") {
            session()->forget('streamline_setup');
            $messages = MessageBoard::orderBy('created_at', 'desc')->paginate(3);
            return view('home', compact('messages'));
        } else {
            $messages = MessageBoard::orderBy('created_at', 'desc')->paginate(3);
            return view('home', compact('messages'));
        }
    }

    public function quick_analysis_reports()
    {
        $insurance_members_array = InsuranceMember::pluck('patient_id')->toArray();

        $patient_registered_per_month_under_insurance = Patient::whereIn('id',$insurance_members_array)->whereBetween('created_at', ['2018-01-01', '2022-12-31'])->select(DB::raw('count(id) as `data`'),DB::raw("DATE_FORMAT(created_at, '%Y-%m') episodes_year_month"))
        ->groupBy('episodes_year_month')->orderBy('episodes_year_month')->get();

        return $patient_registered_per_month_under_insurance;
        
        /* set_time_limit(0);
        $patient_visits_per_month = PatientEpisode::select(DB::raw('count(id) as `data`'),DB::raw("DATE_FORMAT(created_at, '%Y-%m') episodes_year_month"))
        ->groupBy('episodes_year_month')->orderBy('episodes_year_month')->get();
        //return $patient_visits_per_month;

        $patient_visits_per_month_for_insured = PatientEpisode::whereIn('patient_id',$insurance_members_array)->whereBetween('created_at', ['2019-01-01', '2022-12-31'])->select(DB::raw('count(id) as `data`'),DB::raw("DATE_FORMAT(created_at, '%Y-%m') episodes_year_month"))
        ->groupBy('episodes_year_month')->orderBy('episodes_year_month')->get();


        foreach ($patient_visits_per_month_for_insured as $record) {
            $year_month_array = explode("-", $record->episodes_year_month);
            $families_array = [];

            $per_month_records = PatientEpisode::whereIn('patient_id',$insurance_members_array)->whereYear('created_at', '=', $year_month_array[0])->whereMonth('created_at', '=', $year_month_array[1])->get();

            foreach ($per_month_records as $single_record) {
                $family_id = get_name($single_record->patient_id, 'patient_id', 'family_id', 'insurance_members');
                if (!in_array($family_id, $families_array)) {
                    $families_array[] = $family_id;
                }
            }
            $total[$record->episodes_year_month] = count($families_array);
        }
        //return $total;


        //mode of co_payments
        $service_deposits = DB::select("SELECT patient_amount_paid, occurs FROM (SELECT patient_amount_paid,count(*) as occurs FROM service_deposits WHERE patient_id IN(SELECT patient_id FROM insurance_members) AND patient_amount_paid != 0 AND items_ids != 'Inpatient_Deposit' GROUP BY `patient_amount_paid` LIMIT 1) T1 ");
        
        $treatment_deposits = DB::select("SELECT patient_amount_paid, occurs FROM (SELECT patient_amount_paid,count(*) as occurs FROM treatment_deposits WHERE patient_id IN(SELECT patient_id FROM insurance_members) AND patient_amount_paid != 0 GROUP BY `patient_amount_paid` LIMIT 1) T1 ");

        $investigation_deposits = DB::select("SELECT patient_amount_paid, occurs FROM (SELECT patient_amount_paid,count(*) as occurs FROM investigation_deposits WHERE patient_id IN(SELECT patient_id FROM insurance_members) AND patient_amount_paid != 0 GROUP BY `patient_amount_paid` LIMIT 1) T1 ");

        $procedure_deposits = DB::select("SELECT patient_amount_paid, occurs FROM (SELECT patient_amount_paid,count(*) as occurs FROM procedure_deposits WHERE patient_id IN(SELECT patient_id FROM insurance_members) AND patient_amount_paid != 0 GROUP BY `patient_amount_paid` LIMIT 1) T1 ");

        $sundry_deposits = DB::select("SELECT patient_amount_paid, occurs FROM (SELECT patient_amount_paid,count(*) as occurs FROM sundries_deposits WHERE patient_id IN(SELECT patient_id FROM insurance_members) AND patient_amount_paid != 0 GROUP BY `patient_amount_paid` LIMIT 1) T1 "); 

        return [$service_deposits, $treatment_deposits, $investigation_deposits, $procedure_deposits, $sundry_deposits];


        //average co_payments
        $service_deposits_average = DB::select("SELECT AVG(patient_amount_paid) as average_co_payment FROM service_deposits WHERE patient_id IN(SELECT patient_id FROM insurance_members) AND patient_amount_paid != 0 AND items_ids != 'Inpatient_Deposit' ");
        $treatment_deposits_average = DB::select("SELECT AVG(patient_amount_paid) as average_co_payment FROM treatment_deposits WHERE patient_id IN(SELECT patient_id FROM insurance_members) AND patient_amount_paid != 0 ");
        $investigation_deposits_average = DB::select("SELECT AVG(patient_amount_paid) as average_co_payment FROM investigation_deposits WHERE patient_id IN(SELECT patient_id FROM insurance_members) AND patient_amount_paid != 0 ");
        $procedure_deposits_average = DB::select("SELECT AVG(patient_amount_paid) as average_co_payment FROM procedure_deposits WHERE patient_id IN(SELECT patient_id FROM insurance_members) AND patient_amount_paid != 0 ");
        $sundries_deposits_average = DB::select("SELECT AVG(patient_amount_paid) as average_co_payment FROM sundries_deposits WHERE patient_id IN(SELECT patient_id FROM insurance_members) AND patient_amount_paid != 0 ");
        
        return [$service_deposits_average,$treatment_deposits_average,$investigation_deposits_average,$procedure_deposits_average,$sundries_deposits_average];

        //average family size stuff
        $family_numbers = DB::select("SELECT family_id, occurs FROM (SELECT family_id,count(*) as occurs FROM insurance_members  GROUP BY `family_id`) T1 ");

        $number_of_occurances = [];
        foreach ($family_numbers as $record) {
            $number_of_occurances[] = $record->occurs;
        }

        $counts = array_count_values($number_of_occurances);
        arsort($counts);

        return $counts; */

        //mode of co_payments percentages
        $number_of_insured_patients_in_service_deposits = DB::select("SELECT id FROM service_deposits WHERE patient_id IN(SELECT patient_id FROM insurance_members) AND patient_amount_paid ='2000'");
        return (count($number_of_insured_patients_in_service_deposits));
    }
}