<?php

namespace Modules\Finance\Http\Controllers;

use Illuminate\Contracts\View\View;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Carbon\Carbon;

class FinanceController extends Controller
{
    public function index()
    {
        return view('finance::finance.index');
    }

    public function incoming_opd_payments(Request $request): View
    {
        $clinic_id = $request->clinic_id;
        $search_by = $request->search_by;

        $patient_categories = DB::table('patient_categories')->pluck("name", "id");

        $filters = [];
        if($search_by == 0){
            $start_date = Carbon::now()->startOfDay()->toDateTimeString();
            $end_date = Carbon::now()->endOfDay()->toDateTimeString();
        } elseif ($search_by == 1) {
            $start_date = Carbon::now()->subDay()->startOfDay()->toDateTimeString();
            $end_date = Carbon::now()->subDay()->endOfDay()->toDateTimeString();
        } elseif ($search_by == 2) {
            $start_date = Carbon::parse($request->reg_date)->startOfDay()->toDateTimeString();
            $end_date = Carbon::parse($request->reg_date)->endOfDay()->toDateTimeString();
        } elseif ($search_by ==3) {
            // custom date range
            $start_date = Carbon::parse($request->start_date)->startOfDay()->toDateTimeString();
            $end_date = Carbon::parse($request->end_date)->endOfDay()->toDateTimeString();
        } else {
            $start_date = Carbon::now()->toDateTimeString();
            $end_date = Carbon::now()->toDateTimeString();
        }

        if ($clinic_id != 0) {
            $filters[] = ['patient_episodes.clinic_id', '=', $clinic_id];
        }

        if (is_numeric($request->patient_number)) {
            $filters[] = ['patient_episodes.patient_id', '=', $request->patient_number];
            $start_date = Carbon::now()->startOfCentury()->toDateTimeString();
            $end_date = Carbon::now()->endOfDay()->toDateTimeString();
        }

        $patient_episodes = DB::table('patient_episodes')
            ->leftJoin('patients', 'patients.id', '=', 'patient_episodes.patient_id')
            ->leftJoin('treatments', 'treatments.episode_id', '=', 'patient_episodes.id')
            ->leftJoin('ordered_procedures', 'ordered_procedures.episode_id', '=', 'patient_episodes.id')
            ->leftJoin('ordered_investigations', 'ordered_investigations.episode_id', '=', 'patient_episodes.id')
            ->leftJoin('ordered_sundries', 'ordered_sundries.episode_id', '=', 'patient_episodes.id')
            ->leftJoin('ordered_services', 'ordered_services.episode_id', '=', 'patient_episodes.id')
            ->where($filters)
            ->groupBy('patient_episodes.id')
            ->whereBetween('patient_episodes.created_at', [$start_date, $end_date])
            ->select('patient_episodes.id as episode_id', 'patient_episodes.patient_id', 'patients.first_name', 'patients.last_name', 'patients.date_of_birth', 'patients.number',
                'patients.phone', 'patients.category_id',
                'treatments.id as treatment_id', 'treatments.payment_status as treatment_payment_status', 'treatments.inpatient_bill_generated as treatment_is_inpatient',
                'ordered_procedures.id as procedure_id', 'ordered_procedures.payment_status as procedures_payment_status', 'ordered_procedures.inpatient_bill_generated as procedures_is_inpatient',
                'ordered_investigations.id as investigation_id', 'ordered_investigations.payment_status as investigation_payment_status', 'ordered_investigations.inpatient_bill_generated as invs_is_inpatient',
                'ordered_sundries.id as sundries_id', 'ordered_sundries.payment_status as sundries_payment_status', 'ordered_sundries.inpatient_bill_generated as sundry_is_inpatient',
                'ordered_services.id as service_id', 'ordered_services.payment_status as service_payment_status', 'ordered_services.inpatient_bill_generated as service_is_inpatient')
            ->get();

        $clinics = DB::table("clinics")->whereNull("deleted_at")->orderBy("name")->pluck("name", "id")->toArray();
        $clinics = [0 => 'OPD'] + ['' => '- select -'] + $clinics;

        return view('finance::finance.incoming_opd_payments', compact('patient_categories', 'clinics', 'patient_episodes'));
    }
}