<?php

namespace App\Http\Controllers\Repuve;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Notsoweb\ApiResponse\Enums\ApiResponse;
use App\Http\Requests\Repuve\VehicleStoreRequest;
use App\Models\CatalogNameImg;
use App\Models\Vehicle;
use App\Models\Record;
use App\Models\Owner;
use App\Models\File;
use App\Models\Tag;
use App\Models\Error;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Auth;
use App\Services\RepuveService;
use App\Services\PadronEstatalService;

class InscriptionController extends Controller
{
    private RepuveService $repuveService;
    private PadronEstatalService $padronEstatalService;

    public function __construct(
        RepuveService $repuveService,
        PadronEstatalService $padronEstatalService
    ) {
        $this->repuveService = $repuveService;
        $this->padronEstatalService = $padronEstatalService;
    }

    /*
     * Inscripción de vehículo al REPUVE
    */
    public function vehicleInscription(VehicleStoreRequest $request)
    {
        try {
            $folio = $request->input('folio');
            $tagNumber = $request->input('tag_number');
            $niv = $request->input('niv');

            // Buscar Tag y validar que NO tenga vehículo asignado
            $tag = Tag::where('folio', $folio)->where('tag_number', $tagNumber)->first();

            if (!$tag) {
                return ApiResponse::NOT_FOUND->response([
                    'message' => 'No se encontró el tag con el folio y tag_number proporcionados.',
                    'folio' => $folio,
                    'tag_number' => $tagNumber,
                ]);
            }

            if ($tag->vehicle_id) {
                return ApiResponse::BAD_REQUEST->response([
                    'message' => 'El tag ya está asignado a un vehículo. Use actualizar en su lugar.',
                    'tag_number' => $tagNumber,
                    'vehicle_id' => $tag->vehicle_id,
                ]);
            }

            // Verificar robo (API Repuve Nacional)
            $isStolen = $this->checkIfStolen($niv);

            if ($isStolen) {
                return ApiResponse::FORBIDDEN->response([
                    'folio' => $folio,
                    'tag_number' => $tagNumber,
                    'stolen' => true,
                    'message' => 'El vehículo reporta robo. No se puede continuar con la inscripción.',
                ]);
            }

            // Iniciar transacción
            DB::beginTransaction();

            // Obtener 37 datos de API Estatal
            $vehicleData = $this->getVehicle($niv);
            $ownerData = $this->getOwner($niv);

            // Crear propietario
            $owner = Owner::updateOrCreate(
                ['rfc' => $ownerData['rfc']],
                [
                    'name' => $ownerData['name'],
                    'paternal' => $ownerData['paternal'],
                    'maternal' => $ownerData['maternal'],
                    'curp' => $ownerData['curp'],
                    'address' => $ownerData['address'],
                    'tipopers' => $ownerData['tipopers'],
                    'pasaporte' => $ownerData['pasaporte'],
                    'licencia' => $ownerData['licencia'],
                    'ent_fed' => $ownerData['ent_fed'],
                    'munic' => $ownerData['munic'],
                    'callep' => $ownerData['callep'],
                    'num_ext' => $ownerData['num_ext'],
                    'num_int' => $ownerData['num_int'],
                    'colonia' => $ownerData['colonia'],
                    'cp' => $ownerData['cp'],
                ]
            );

            // Crear vehículo
            $vehicle = Vehicle::create([
                'placa' => $vehicleData['placa'],
                'niv' => $vehicleData['niv'],
                'marca' => $vehicleData['marca'],
                'linea' => $vehicleData['linea'],
                'sublinea' => $vehicleData['sublinea'],
                'modelo' => $vehicleData['modelo'],
                'color' => $vehicleData['color'],
                'numero_motor' => $vehicleData['numero_motor'],
                'clase_veh' => $vehicleData['clase_veh'],
                'tipo_servicio' => $vehicleData['tipo_servicio'],
                'rfv' => $vehicleData['rfv'],
                'rfc' => $vehicleData['rfc'],
                'ofcexpedicion' => $vehicleData['ofcexpedicion'],
                'fechaexpedicion' => $vehicleData['fechaexpedicion'],
                'tipo_veh' => $vehicleData['tipo_veh'],
                'numptas' => $vehicleData['numptas'],
                'observac' => $vehicleData['observac'],
                'cve_vehi' => $vehicleData['cve_vehi'],
                'tipo_mov' => $vehicleData['tipo_mov'],
                'owner_id' => $owner->id,
            ]);

            // Asignar Tag al vehículo
            $tag->markAsAssigned($vehicle->id, $folio);

            // Crear registro
            $record = Record::create([
                'folio' => $folio,
                'vehicle_id' => $vehicle->id,
                'user_id' => Auth::id(),
                'module_id' => Auth::user()->module_id,
            ]);

            // Procesar archivos
            $uploadedFiles = [];
            if ($request->hasFile('files')) {
                $files = $request->file('files');
                $nameIds = $request->input('name_id', []);

                if (!empty($nameIds)) {
                    $validIds = CatalogNameImg::whereIn('id', $nameIds)->pluck('id')->toArray();
                    if (count($validIds) !== count($nameIds)) {
                        DB::rollBack();
                        return ApiResponse::INTERNAL_ERROR->response([
                            'message' => 'Algunos IDs del catálogo de nombres no son válidos',
                            'provided_id' => $nameIds,
                            'valid_id' => $validIds,
                        ]);
                    }
                }

                foreach ($files as $index => $file) {
                    // Obtener el name_id del request o usar null como fallback
                    $nameId = $nameIds[$index] ?? null;

                    if ($nameId === null) {
                        DB::rollBack();
                        return ApiResponse::INTERNAL_ERROR->response([
                            'message' => "Falta el name_id para el archivo en el índice {$index}",
                            'file_index' => $index,
                        ]);
                    }

                    // Obtener el nombre del catálogo para el nombre del archivo
                    $catalogName = CatalogNameImg::find($nameId);
                    $extension = $file->getClientOriginalExtension();
                    $fileName = $catalogName->name . '_' . date('dmY_His') . '.' . $extension;
                    $path = $file->storeAs("records/{$record->folio}", $fileName, 'public');
                    $md5 = md5_file($file->getRealPath());

                    $fileRecord = File::create([
                        'name_id' => $nameId,
                        'path' => $path,
                        'md5' => $md5,
                        'record_id' => $record->id,
                    ]);

                    $uploadedFiles[] = [
                        'id' => $fileRecord->id,
                        'name' => $catalogName->name,
                        'path' => $fileRecord->path,
                        'url' => $fileRecord->url,
                    ];
                }
            }

            // Enviar a API Repuve Nacional
            $apiResponse = $this->sendToRepuveNacional($niv);

            $apiResponse["repuve_response"]["folio_ci"] = $folio; //harcodeado cambiar despues
            $apiResponse["repuve_response"]["identificador_ci"] = $tagNumber; //harcodeado cambiar despues

            // Procesar respuesta
            if (isset($apiResponse['has_error']) && $apiResponse['has_error']) {
                // Si hay error, buscar el error en la BD
                $error = Error::where('code', $apiResponse['error_code'])->first();

                if (!$error) {
                    // Usar error genérico si no se encuentra el código
                    logger()->warning('Código de error REPUVE no catalogado', [
                        'error_code' => $apiResponse['error_code'],
                        'error_message' => $apiResponse['error_message'],
                        'niv' => $niv,
                    ]);

                    // Buscar error genérico -1 (Error Interno)
                    $error = Error::where('code', '-1')->first();

                    if (!$error) {
                        // Si ni siquiera existe el error genérico, crear uno temporal
                        $error = Error::create([
                            'code' => '-1',
                            'name' => 'Error Interno',
                            'description' => 'Error interno del web service. Problemas con la base de datos o en la red.',
                            'type' => 'Error de Conexión',
                        ]);
                    }
                }

                // Guardar error en Record
                $record->update([
                    'error_id' => $error->id,
                    'api_response' => $apiResponse,
                    'error_occurred_at' => now(),
                ]);

                DB::commit();

                // Retornar con error
                return ApiResponse::OK->response([
                    'message' => 'Vehículo inscrito con error. Corrija los datos usando la función de actualización.',
                    'has_error' => true,
                    'can_update' => true,
                    'record_id' => $record->id,
                    'error' => [
                        'code' => $error->code,
                        'description' => $error->description,
                        'occurred_at' => $record->error_occurred_at->toDateTimeString(),
                    ],
                    'record' => [
                        'id' => $record->id,
                        'folio' => $record->folio,
                    ],
                    'vehicle' => $vehicleData,
                    'owner' => $ownerData,
                    'files' => $uploadedFiles,
                    'total_files' => count($uploadedFiles),
                ]);
            }

            // Si NO hay error, guardar respuesta exitosa
            $record->update([
                'error_id' => null,
                'api_response' => $apiResponse,
                'error_occurred_at' => null,
            ]);

            DB::commit();

            $record->load(['vehicle.owner', 'vehicle.tag', 'files', 'user']);

            // Responder con éxito
            return ApiResponse::OK->response([
                'message' => 'Vehículo inscrito exitosamente',
                'has_error' => false,
                'stolen' => false,
                'record' => [
                    'id' => $record->id,
                    'folio' => $record->folio,
                    'vehicle_id' => $vehicle->id,
                    'user_id' => $record->user_id,
                    'created_at' => $record->created_at->toDateTimeString(),
                ],
                'vehicle' => [
                    'id' => $record->vehicle->id,
                    'placa' => $record->vehicle->placa,
                    'niv' => $record->vehicle->niv,
                    'marca' => $record->vehicle->marca,
                    'linea' => $record->vehicle->linea,
                    'modelo' => $record->vehicle->modelo,
                    'color' => $record->vehicle->color,
                ],
                'owner' => [
                    'id' => $record->vehicle->owner->id,
                    'full_name' => $record->vehicle->owner->full_name,
                    'rfc' => $record->vehicle->owner->rfc,
                ],
                'tag' => [
                    'id' => $record->vehicle->tag->id,
                    'folio' => $record->vehicle->tag->folio,
                    'status' => $record->vehicle->tag->status->name,
                ],
                'files' => $uploadedFiles,
                'total_files' => count($uploadedFiles),
            ]);
        } catch (\Exception $e) {
            DB::rollBack();

            return ApiResponse::BAD_REQUEST->response([
                'message' => 'Error al procesar la inscripción del vehículo',
                'error' => $e->getMessage(),
            ]);
        }
    }

    private function checkIfStolen(string $niv)
    {
        return $this->repuveService->verificarRobo($niv);
    }

    public function stolen(Request $request)
    {
        $request->validate([
            'folio' => ['sometimes', 'string', 'max:50'],
            'tag_number' => ['sometimes', 'string', 'exists:tags,tag_number'],
            'vin' => ['sometimes', 'string', 'max:30'],
        ]);

        $folio = $request->input('folio');
        $tagNumber = $request->input('tag_number');
        $vin = $request->input('vin');

        // Validar que se proporcione al menos un criterio de búsqueda
        if (!$folio && !$tagNumber && !$vin) {
            return ApiResponse::BAD_REQUEST->response([
                'message' => 'Debe proporcionar al menos un criterio de búsqueda: folio y tag_number, o vin',
            ]);
        }
        $query = Record::with(['vehicle.owner', 'vehicle.tag']);

        // Búsqueda por folio ó tag_number
        if ($folio && !$tagNumber) {
            $query->where('folio', $folio);
        } elseif (!$folio && $tagNumber) {
            $query->whereHas('vehicle.tag', function ($q) use ($tagNumber) {
                $q->where('tag_number', $tagNumber);
            });
        } // Búsqueda solo por VIN
        elseif ($vin) {
            $query->whereHas('vehicle', function ($q) use ($vin) {
                $q->where('niv', $vin);
            });
        }

        $record = $query->first();

        if (!$record) {
            return ApiResponse::NOT_FOUND->response([
                'stolen' => false,
                'message' => 'No se encontró ningún registro con los criterios proporcionados',
            ]);
        }

        return ApiResponse::OK->response([
            'stolen' => true,
            'vehicle' => [
                'folio' => $record->folio,
                'placa' => $record->vehicle->placa,
                'tag_number' => $record->vehicle->tag?->tag_number,
                'vin' => $record->vehicle->niv,
                'marca' => $record->vehicle->marca,
                'modelo' => $record->vehicle->linea,
                'año' => $record->vehicle->modelo,
            ],
        ]);
    }

    private function sendToRepuveNacional(string $niv): array
    {
        // Obtener los datos completos del padrón estatal
        $datosCompletos = $this->padronEstatalService->getVehiculoByNiv($niv);
        // Enviar a inscripción de REPUVE Federal
        return $this->repuveService->inscribirVehiculo($datosCompletos);
    }

    public function searchRecord(Request $request)
    {
        $request->validate([
            'folio' => 'nullable|string',
            'placa' => 'nullable|string',
            'vin' => 'nullable|string',
        ], [
            'required_without_all' => 'Debe proporcionar al menos uno de los siguientes: folio, placa o vin.'
        ]);

        $records = Record::with([
            'vehicle:id,owner_id,placa,niv,marca,linea,modelo,color',
            'vehicle.owner:id,name,paternal,maternal,rfc',
            'vehicle.tag:id,vehicle_id,folio,tag_number,status_id',
            'vehicle.tag.status:id,code,name',
            'files:id,record_id,name_id,path,md5',
            'files.catalogName:id,name',
            'user:id,name,email',
            'error:id,code,description'
        ])->orderBy('id', 'ASC');

        if ($request->filled('folio')) {
            $records->whereHas('vehicle.tag', function ($q) use ($request) {
                $q->where('folio', 'LIKE', '%' . $request->input('folio') . '%');
            });
        } elseif ($request->filled('placa')) {
            $records->whereHas('vehicle', function ($q) use ($request) {
                $q->where('placa', 'LIKE', '%' . $request->input('placa') . '%');
            });
        } elseif ($request->filled('vin')) {
            $records->whereHas('vehicle', function ($q) use ($request) {
                $q->where('niv', 'LIKE', '%' . $request->input('vin') . '%');
            });
        }

        return ApiResponse::OK->response([
            'records' => $records->select([
                'id',
                'folio',
                'vehicle_id',
                'user_id',
                'created_at'
            ])->paginate(config('app.pagination'))
        ]);
    }

    private function getVehicle(string $niv): array
    {
        $datos = $this->padronEstatalService->getVehiculoByNiv($niv);
        return $this->padronEstatalService->extraerDatosVehiculo($datos);
    }

    private function getOwner(string $niv): array
    {
        $datos = $this->padronEstatalService->getVehiculoByNiv($niv);
        return $this->padronEstatalService->extraerDatosPropietario($datos);
    }
}