<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class CustomerController extends Controller
{
   public function index(){
        $payload = [
            'title' => 'Halaman Utama'
        ];
        return view('guest.index', $payload);
   }


   public function dataOrder(){
        $search = request('search');
        $jenis_menu = request('jenis_menu');
        $perPage = request()->get('perPage', 1);
        if($jenis_menu === "paket"){
            return self::dataPaketMenuOrder($search, $perPage);
        }

        return self::menuOrder($search, $jenis_menu, $perPage);
   }


    private static function menuOrder($search = null, $jenis_menu = null, $perPage)
    {
            // Step 1: Ambil ID menu sesuai filter
            $menuQuery = DB::connection('dbOrderGizi')
                ->table('public.master_menu as mn')
                ->where('mn.statusenabled', true);

            if (!empty($jenis_menu)) {
                $menuQuery->where('mn.jenis_menu', 'ILIKE', '%' . $jenis_menu . '%');
            }

            if (!empty($search)) {
                $menuQuery->where('mn.nama_menu', 'ILIKE', '%' . $search . '%');
            }

            $paginated = $menuQuery
                ->select(
                    'mn.master_menu_id',
                    'mn.nama_menu',
                    'mn.foto',
                    'mn.jenis_menu',
                    'mn.harga_public',
                    'mn.harga_karyawan',
                    'mn.harga_keluarga_pasien',
                    'mn.status',
                    'mn.deskripsi'
                )
                ->paginate($perPage);
            $menuIds = collect($paginated->items())->pluck('master_menu_id')->toArray();

            // Step 2: Ambil semua klasifikasi untuk menu tersebut
            $klasifikasi = DB::connection('dbOrderGizi')
                ->table('public.klasifikasi_menu_diet as kmd')
                ->join('public.kategori_diet as kd', 'kd.kategori_diet_id', '=', 'kmd.kategori_diet_id')
                ->whereIn('kmd.master_menu_id', $menuIds)
                ->select('kmd.master_menu_id', 'kd.kategori_diet_id', 'kd.nama_kategori_diet')
                ->get()
                ->groupBy('master_menu_id');

            // Step 3: Gabungkan data menu + klasifikasi
            $result = collect($paginated->items())->map(function ($menu) use ($klasifikasi) {
                return [
                    'master_menu_id' => $menu->master_menu_id,
                    'nama' => $menu->nama_menu,
                    'foto' => $menu->foto,
                    'jenis_menu' => $menu->jenis_menu,
                    'harga_public' => $menu->harga_public,
                    'harga_karyawan' => $menu->harga_karyawan,
                    'harga_keluarga_pasien' => $menu->harga_keluarga_pasien,
                    'status' => $menu->status,
                    'deskripsi' => $menu->deskripsi,
                    'klasifikasiMenu' => isset($klasifikasi[$menu->master_menu_id]) ? $klasifikasi[$menu->master_menu_id]->map(function ($item) {
                        return [
                            'kategori_diet_id' => $item->kategori_diet_id,
                            'nama_kategori_diet' => $item->nama_kategori_diet,
                        ];
                    })->values() : [],
                ];
            });

            return response()->json([
                'status' => true,
                'message' => 'Berhasil mendapatkan data',
                'data' => [
                    'data' => $result,
                    'current_page' => $paginated->currentPage(),
                    'last_page' => $paginated->lastPage(),
                    'per_page' => $paginated->perPage(),
                    'total' => $paginated->total(),
                ]
            ]);
        }


   private static function dataPaketMenuOrder($search = null){
        $query = DB::connection('dbOrderGizi')->table('public.master_paket_menu as mpn')
                ->leftJoin('public.master_paket_menu_detail as mpd', 'mpd.master_paket_menu_id', '=', 'mpn.master_paket_menu_id')
                ->leftJoin('public.master_menu as mn', 'mpd.master_menu_id', '=', 'mn.master_menu_id')
                ->leftJoin('public.klasifikasi_menu_diet as kmd', 'kmd.master_paket_menu_id', '=', 'mpn.master_paket_menu_id')
                ->leftJoin('public.kategori_diet as kd', 'kd.kategori_diet_id', '=', 'kmd.kategori_diet_id')
                ->select('mpn.*', 'mpd.master_paket_menu_detail_id', 'mn.master_menu_id', 'kmd.klasifikasi_menu_diet', 'kd.*')
                ->where('mpn.statusenabled', true);

           if(!empty($search)){
                $query->where(function($q) use($search){
                    $q->where('mpn.nama_paket', 'ILIKE', '%' . $search . '%')
                    ->orWhere('kd.nama_kategori_diet', 'ILIKE', '%'. $search . '%');
                });
            }

        $paketMenu = $query->get();


        $grouped = $paketMenu->groupBy('master_paket_menu_id')->map(function($items){
            $first = $items->first();
            $klasifikasiMenu = $items->filter(fn($d) => $d->kategori_diet_id !== null)
                ->unique('kategori_diet_id')
                ->map(function($items) {
                    return [
                        'kategori_diet_id' => $items->kategori_diet_id,
                        'nama_kategori_diet'=> $items->nama_kategori_diet
                    ];
                })->values();
            return [
                'master_paket_menu_id' => $first->master_paket_menu_id,
                'nama' => $first->nama_paket,
                'foto' => $first->foto,
                'jenis_menu' => "paket",
                'harga_public' => $first->harga_public,
                'harga_karyawan' => $first->harga_karyawan,
                'harga_keluarga_pasien' => $first->harga_keluarga_pasien,
                'status' => $first->status,
                'deskripsi' => $first->deskripsi,
                'klasifikasiMenu' => $klasifikasiMenu
            ];
        })->values();

        return response()->json([
            'status' => true,
            'message' => 'Berhasil mendapatkan data',
            'data' => $grouped
        ], 200);
   }
}