<?php

namespace App\Http\Controllers\App;

use App\Http\Controllers\Controller;
use App\Http\Requests\App\WarehouseStoreRequest;
use App\Http\Requests\App\WarehouseUpdateRequest;
use App\Models\Warehouse;
use Illuminate\Http\Request;
use Notsoweb\ApiResponse\Enums\ApiResponse;

/**
 * Controlador para gestión de almacenes
 */
class WarehouseController extends Controller
{
    /**
     * Listar almacenes
     */
    public function index(Request $request)
    {
        $warehouse = Warehouse::query();

        if ($request->has('active')) {
            $warehouse->where('is_active', $request->boolean('active'));
        }

        if ($request->has('q') && $request->q) {
            $warehouse->where(function($query) use ($request) {
                $query->where('name', 'like', "%{$request->q}%")
                    ->orWhere('code', 'like', "%{$request->q}%");
            });
        }

        $warehouse->orderBy('id', 'ASC');

        $warehouses = $request->boolean('all')
            ? $warehouse->get()
            : $warehouse->paginate(config('app.pagination'));
        return ApiResponse::OK->response([
            'warehouses' => $warehouses,
        ]);
    }

    /**
     * Ver detalle de un almacén con su inventario
     */
    public function show(int $id)
    {
        $warehouse = Warehouse::find($id);

        if (!$warehouse) {
            return ApiResponse::NOT_FOUND->response([
                'message' => 'Almacén no encontrado'
            ]);
        }

        $inventories = $warehouse->inventories()
            ->wherePivot('stock', '>', 0)
            ->paginate(config('app.pagination'));

        return ApiResponse::OK->response([
            'warehouse' => $warehouse,
            'inventories' => $inventories,
        ]);
    }

    /**
     * Crear almacén
     */
    public function store(WarehouseStoreRequest $request)
    {
        $warehouse = Warehouse::create($request->validated());

        return ApiResponse::CREATED->response([
            'message' => 'Almacén creado correctamente',
            'warehouse' => $warehouse,
        ]);
    }

    /**
     * Actualizar almacén
     */
    public function update(WarehouseUpdateRequest $request, int $id)
    {
        $warehouse = Warehouse::find($id);

        if (!$warehouse) {
            return ApiResponse::NOT_FOUND->response([
                'message' => 'Almacén no encontrado'
            ]);
        }

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

        return ApiResponse::OK->response([
            'message' => 'Almacén actualizado correctamente',
            'warehouse' => $warehouse,
        ]);
    }

    /**
     * Eliminar almacén
     */
    public function destroy(int $id)
    {
        $warehouse = Warehouse::find($id);

        if (!$warehouse) {
            return ApiResponse::NOT_FOUND->response([
                'message' => 'Almacén no encontrado'
            ]);
        }

        // Verificar si tiene stock
        $hasStock = $warehouse->inventories()->wherePivot('stock', '>', 0)->exists();

        if ($hasStock) {
            return ApiResponse::BAD_REQUEST->response([
                'message' => 'No se puede eliminar un almacén con stock'
            ]);
        }

        $warehouse->delete();

        return ApiResponse::OK->response([
            'message' => 'Almacén eliminado correctamente'
        ]);
    }
}