<?php namespace App\Http\Controllers\App;

use App\Http\Controllers\Controller;
use App\Http\Requests\App\InventoryEntryRequest;
use App\Http\Requests\App\InventoryExitRequest;
use App\Http\Requests\App\InventoryMovementUpdateRequest;
use App\Http\Requests\App\InventoryTransferRequest;
use App\Models\InventoryMovement;
use App\Services\InventoryMovementService;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Log;
use Notsoweb\ApiResponse\Enums\ApiResponse;

/**
 * Controlador para movimientos de inventario
 */
class InventoryMovementController extends Controller
{
    public function __construct(
        protected InventoryMovementService $movementService
    ) {}

    /**
     * Listar movimientos con filtros
     */
    public function index(Request $request)
    {
        $query = InventoryMovement::with(['inventory', 'warehouseFrom', 'warehouseTo', 'user', 'supplier'])
            ->orderBy('created_at', 'desc');

        if ($request->has('q') && $request->q){
            $query->whereHas('inventory', function($qy) use ($request){
                $qy->where('name', 'like', "%{$request->q}%")
                    ->orWhere('sku', 'like', "%{$request->q}%")
                    ->orWhere('barcode', $request->q);
            });
        }

        if ($request->has('movement_type')) {
            $query->where('movement_type', $request->movement_type);
        }

        if ($request->has('inventory_id')) {
            $query->where('inventory_id', $request->inventory_id);
        }

        if ($request->has('warehouse_id')) {
            $query->where(function ($q) use ($request) {
                $q->where('warehouse_from_id', $request->warehouse_id)
                  ->orWhere('warehouse_to_id', $request->warehouse_id);
            });
        }

        if ($request->has('from_date')) {
            $query->whereDate('created_at', '>=', $request->from_date);
        }

        if ($request->has('to_date')) {
            $query->whereDate('created_at', '<=', $request->to_date);
        }

        $movements = $query->paginate($request->get('per_page', 15));

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

    /**
     * Ver detalle de un movimiento
     */
    public function show(int $id)
    {
        $movement = InventoryMovement::with(['inventory', 'warehouseFrom', 'warehouseTo', 'user', 'supplier', 'serials'])
            ->find($id);

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

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

    /**
     * Editar movimiento de inventario
     * Revierte el movimiento original y aplica el nuevo
     */
    public function update(InventoryMovementUpdateRequest $request, int $id)
    {

        try {
            $movement = $this->movementService->updateMovement(
                $id,
                $request->validated()
            );

            return ApiResponse::OK->response([
                'message' => 'Movimiento actualizado correctamente',
                'movement' => $movement,
            ]);
        } catch (\Exception $e) {
            return ApiResponse::BAD_REQUEST->response([
                'message' => $e->getMessage()
            ]);
        }
    }

    /**
     * Registrar entrada de inventario
     */
    public function entry(InventoryEntryRequest $request)
    {
        try {
            $validated = $request->validated();

            if(isset($validated['products'])){
                $movements = $this->movementService->bulkEntry($validated);

                return ApiResponse::CREATED->response([
                    'message' => 'Entrada registrada correctamente',
                    'movement' => $movements,
                    'total_products' => count($movements),
                ]);
            } else {
                $movement = $this->movementService->entry($validated);

                return ApiResponse::CREATED->response([
                    'message' => 'Entrada registrada correctamente',
                    'movement' => $movement->load(['inventory', 'warehouseTo']),
                ]);
            }

        } catch (\Exception $e) {
            return ApiResponse::BAD_REQUEST->response([
                'message' => $e->getMessage()
            ]);
        }
    }

    /**
     * Registrar salida de inventario
     */
    public function exit(InventoryExitRequest $request)
    {
        try {
        $validated = $request->validated();

            if(isset($validated['products'])){
                $movements = $this->movementService->bulkExit($validated);

                return ApiResponse::CREATED->response([
                    'message' => 'Salidas registradas correctamente',
                    'movements' => $movements,
                    'total_products' => count($movements),
                ]);
            } else {
                $movement = $this->movementService->exit($validated);

                return ApiResponse::CREATED->response([
                    'message' => 'Salida registrada correctamente',
                    'movement' => $movement->load(['inventory', 'warehouseFrom']),
                ]);
            }
        } catch (\Exception $e) {
            return ApiResponse::BAD_REQUEST->response([
                'message' => $e->getMessage()
            ]);
        }
    }

    /**
     * Registrar traspaso entre almacenes
     */
    public function transfer(InventoryTransferRequest $request)
    {
        try {
            $validated = $request->validated();

            if(isset($validated['products'])){
                $movements = $this->movementService->bulkTransfer($validated);

                return ApiResponse::CREATED->response([
                    'message' => 'Traspasos registrados correctamente',
                    'movements' => $movements,
                    'total_products' => count($movements),
                ]);
            } else {
                $movement = $this->movementService->transfer($validated);

                return ApiResponse::CREATED->response([
                    'message' => 'Traspaso registrado correctamente',
                    'movement' => $movement->load(['inventory', 'warehouseFrom', 'warehouseTo']),
                ]);
            }
        } catch (\Exception $e) {
            return ApiResponse::BAD_REQUEST->response([
                'message' => $e->getMessage()
            ]);
        }
    }
}