<?php

namespace Modules\Linksehat\Http\Controllers\Api;

use App\Helpers\Helper;
use App\Models\Organization;
use DB;
use Illuminate\Contracts\Support\Renderable;
use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Modules\Linksehat\Transformers\HospitalResource;
use Modules\Linksehat\Transformers\Hospitals\HospitalResourceDetail;

class HospitalController extends Controller
{
    /**
     * Display a listing of the resource.
     * @return Renderable
     */
    public function index(Request $request)
    {
        $hospitals = Organization::query()
            ->with(['currentAddress'])
            ->where('organizations.type', 'hospital')
            ->when($request->search ?? null, function ($query, $search) {
                $query->where('name', 'LIKE', '%' . $search . '%');
            });
        if ($request->has('lat') && !empty($request->lat) && $request->has('lng') && !empty($request->lng)) {
            $hospitals->leftJoin('addresses', function ($q) {
                $q->on('organizations.main_address_id', '=', 'addresses.id');
                $q->where('addresses.addressable_type', '=', Organization::class);
            });
            $hospitals->select([
                "organizations.*",
                // DB::raw("ST_Distance_Sphere(point(addresses.lng,addresses.lat), point(".$request->lng.",".$request->lat.")) /1000 as distance_km"),
                DB::raw("6371 * acos (cos ( radians($request->lat) ) * cos( radians( addresses.lat ) ) * cos( radians( addresses.lng ) - radians($request->lng) ) + sin ( radians($request->lat) ) * sin( radians( addresses.lat ) )) as distance_km")
            ]);

            $hospitals->orderBy('distance_km', 'asc');
        } else {
            $hospitals->orderBy('organizations.name', 'asc');
        }

        // if ($request->has('order_by')) {
        //     switch($request->order_by) {
        //         case 'distance_asc':
        //             if ($request->order_by == 'distance_asc' && $request->has('lat') && !empty($request->lat) && $request->has('lng') && !empty($request->lng)) {
        //                 $hospitals->orderBy('distance_km', 'asc');
        //                 break;
        //             }
        //         case 'distance_desc':
        //             if ($request->order_by == 'distance_desc' && $request->has('lat') && !empty($request->lat) && $request->has('lng') && !empty($request->lng)) {
        //                 $hospitals->orderBy('distance_km', 'desc');
        //                 break;
        //             }
        //         default: 
        //             $hospitals->orderBy('organizations.name', 'asc');
        //             break;
        //     }
        // }

        $limit = $request->limit ?? 6;
        if ($limit > 20) {
            $limit = 20;
        }

        $hospitals = $hospitals->paginate($limit);
        // dd($hospitals->toArray());


        return response()->json([
            'message' => 'Sukses mengambil data Rumah Sakit',
            'hospitals' => Helper::paginateResources(HospitalResource::collection($hospitals))
        ]);
    }

    /**
     * Show the form for creating a new resource.
     * @return Renderable
     */
    public function create()
    {
        return view('linksehat::create');
    }

    /**
     * Store a newly created resource in storage.
     * @param Request $request
     * @return Renderable
     */
    public function store(Request $request)
    {
        //
    }

    /**
     * Show the specified resource.
     * @param int $id
     * @return Renderable
     */
    public function show(Request $request, $id)
    {
        $queryHospitals = Organization::query()
            ->leftJoin('addresses', function ($q) {
                $q->on('organizations.main_address_id', '=', 'addresses.id');
                $q->where('addresses.addressable_type', '=', Organization::class);
            });
        if ($request->has('lat') && !empty($request->lat) && $request->has('lng') && !empty($request->lng)) {
            $queryHospitals = $queryHospitals->selectRaw("organizations.*, addresses.text AS currentAddress, 6371 * acos (cos ( radians($request->lat) ) * cos( radians( addresses.lat ) ) * cos( radians( addresses.lng ) - radians($request->lng) ) + sin ( radians($request->lat) ) * sin( radians( addresses.lat ) )) as distance")->orderBy('distance', 'ASC');
        }
        $queryHospitals = $queryHospitals->orderBy('organizations.name', 'asc')->findOrFail($id);

        return HospitalResourceDetail::make($queryHospitals);
    }

    /**
     * Show the form for editing the specified resource.
     * @param int $id
     * @return Renderable
     */
    public function edit($id)
    {
        return view('linksehat::edit');
    }

    /**
     * Update the specified resource in storage.
     * @param Request $request
     * @param int $id
     * @return Renderable
     */
    public function update(Request $request, $id)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     * @param int $id
     * @return Renderable
     */
    public function destroy($id)
    {
        //
    }
}