<?php

namespace App\Http\Controllers\Repuve;

use Notsoweb\ApiResponse\Enums\ApiResponse;
use App\Http\Controllers\Controller;
use App\Http\Requests\Repuve\PackageStoreRequest;
use App\Http\Requests\Repuve\PackageUpdateRequest;
use Illuminate\Support\Facades\DB;
use Illuminate\Http\Request;
use Illuminate\Database\QueryException;
use App\Models\Package;

class PackageController extends Controller
{

    public function index(Request $request)
    {
        try {
            $packages = Package::with(['tags'])->withCount('tags')->orderBy('id', 'ASC');

            if ($request->filled('lote')) {
                $packages->where('lot', 'LIKE', '%' . $request->lote . '%');
            }

            if ($request->filled('caja')) {
                $packages->where('box_number', 'LIKE', '%' . $request->caja . '%');
            }

            return ApiResponse::OK->response([
                'packages' => $packages->paginate(config('app.pagination'))
            ]);
        } catch (\Exception $e) {
            return ApiResponse::INTERNAL_ERROR->response([
                'message' => 'Error al obtener los paquetes',
                'error' => $e->getMessage(),
            ]);
        }
    }

    public function store(PackageStoreRequest $request)
    {
        try {
            DB::beginTransaction();

            $package = Package::create([
                'lot' => $request->lot,
                'box_number' => $request->box_number,
                'starting_page' => $request->starting_page,
                'ending_page' => $request->ending_page,
            ]);

            DB::commit();

            return ApiResponse::CREATED->response([
                'message' => 'Paquete registrado exitosamente',
                'package' => $package,
                'expected_tags' => $package->ending_page - $package->starting_page + 1,
                'actual_tags' => $package->tags()->count(),
            ]);
        } catch (QueryException $e) {
            DB::rollBack();

            if ($e->getCode() == 23000 && str_contains($e->getMessage(), 'packages_lot_box_unique')) {
                return ApiResponse::BAD_REQUEST->response([
                    'message' => "Ya existe un paquete con el lote '{$request->lot}' y caja número '{$request->box_number}'.",
                ]);
            }

            return ApiResponse::INTERNAL_ERROR->response([
                'message' => 'Error al crear el paquete',
                'error' => $e->getMessage(),
            ]);
        } catch (\Exception $e) {
            DB::rollBack();
            return ApiResponse::INTERNAL_ERROR->response([
                'message' => 'Error al crear el paquete',
                'error' => $e->getMessage(),
            ]);
        }
    }

    public function show($id)
    {
        try {
            $package = Package::with(['tags'])->findOrFail($id);

            return ApiResponse::OK->response([
                'package' => $package,
            ]);
        } catch (\Exception $e) {
            return ApiResponse::INTERNAL_ERROR->response([
                'message' => 'Error al obtener el paquete',
                'error' => $e->getMessage(),
            ]);
        }
    }

    public function update(PackageUpdateRequest $request, $id)
    {
        try {
            $package = Package::findOrFail($id);

            DB::beginTransaction();

            $package->update($request->validated());

            DB::commit();

            return ApiResponse::OK->response([
                'message' => 'Paquete actualizado exitosamente',
                'package' => [
                    'id' => $package->id,
                    'lot' => $package->lot,
                    'box_number' => $package->box_number,
                    'starting_page' => $package->starting_page,
                    'ending_page' => $package->ending_page,
                    'updated_at' => $package->updated_at->format('Y-m-d H:i:s'),
                ],
            ]);
        } catch (\Exception $e) {
            DB::rollBack();
            return ApiResponse::INTERNAL_ERROR->response([
                'message' => 'Error al actualizar el paquete',
                'error' => $e->getMessage(),
            ]);
        }
    }

    public function destroy($id)
    {
        try {
            DB::beginTransaction();

            $package = Package::findOrFail($id);

            if ($package->tags()->count() > 0) {
                return ApiResponse::BAD_REQUEST->response([
                    'message' => 'No se puede eliminar el paquete porque tiene tags asociados.',
                    'tags_count' => $package->tags()->count(),
                ]);
            }

            $package->delete();

            DB::commit();

            return ApiResponse::OK->response([
                'message' => 'Paquete eliminado exitosamente.',
            ]);
        } catch (\Exception $e) {
            DB::rollBack();
            return ApiResponse::INTERNAL_ERROR->response([
                'message' => 'Error al eliminar el paquete.',
                'error' => $e->getMessage(),
            ]);
        }
    }
}