<?php

namespace App\Http\Controllers\Admin;

use App\Exceptions\CustomException;
use App\Exports\ParkingWhitelistExport;
use App\Exports\ParkingWhitelistTemplateExport;
use App\Imports\ParkingWhitelistImport;
use App\Models\Parking;
use App\Models\ParkingChannel;
use App\Models\ParkingLicensePlate;
use App\Models\ParkingSpaceType;
use App\Models\ParkingWhitelist;
use App\Services\ApiResponseService;
use App\Services\ParkingWhitelistService;
use Exception;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Facades\Validator;
use Illuminate\Validation\ValidationException;
use Maatwebsite\Excel\Facades\Excel;

class ParkingWhitelistController extends BaseController
{

    protected string $menuUri = 'whitelist';

    /**
     * @var ParkingWhitelistService
     */
    protected ParkingWhitelistService $service;

    /**
     * 构造函数
     * @param ApiResponseService      $responseService
     * @param ParkingWhitelistService $service
     */
    public function __construct(
        ApiResponseService $responseService,
        ParkingWhitelistService $service
    ) {
        parent::__construct($responseService);
        $this->service = $service;
    }

    /**
     * @param Request $request
     * @return JsonResponse
     */
    public function index(Request $request): JsonResponse
    {
        try {
            $query = ParkingWhitelist::query();

            if ($request->has('license_plate')) {
                $license_plate = $request->input('license_plate');
                if ($license_plate) {
                    $license_plate_id = ParkingLicensePlate::getValueId(
                        $license_plate
                    );
                    if ($license_plate_id) {
                        $query->where('license_plate_id', $license_plate_id);
                    } else {
                        $query->where('id', 0);
                    }
                }
            }

            // 分页
            $page = $request->input('page', 1);
            $perPage = $request->input('per_page', 10);

            $total = $query->count();
            $items = $query->latest()->forPage($page, $perPage)->get()->each(
                function ($item) {
                    return $this->service->getItem($item);
                }
            );

            return $this->responseService->success([
                'items'     => $items,
                'total'     => $total,
                'page'      => $page,
                'per_page'  => $perPage,
                'last_page' => ceil($total / $perPage),
            ]);
        } catch (Exception $e) {
            $m_prefix = __('exception.exception_handler.resource');
            return $this->responseService->systemError(
                $m_prefix . '：' . $e->getMessage()
            );
        }
    }

    /**
     * @return JsonResponse
     */
    public function create(): JsonResponse
    {
        try {
            $data = [
                'parking_list'     => Parking::getData(),
                'member_type_list' => ParkingSpaceType::getData(),
                'channel_list'     => ParkingChannel::getData()
            ];
            return $this->responseService->success($data);
        } catch (Exception $e) {
            return $this->responseService->systemError(
                __('exception.get_data_failed') . '：' . $e->getMessage()
            );
        }
    }

    /**
     * @param string $id
     * @return JsonResponse
     */
    public function edit(string $id): JsonResponse
    {
        try {
            $this->validateId($id, ParkingWhitelist::class);
            $data = [
                'parking_list'     => Parking::getData(),
                'member_type_list' => ParkingSpaceType::getData(),
                'channel_list'     => ParkingChannel::getData()
            ];
            $item = ParkingWhitelist::query()->find($id);
            $item['license_plate'] = ParkingLicensePlate::getNumber(
                $item['license_plate_id']
            );
            unset(
                $item['license_plate_id'],
                $item['admin_user_id'],
                $item['created_at'],
                $item['status']
            );
            $data['item'] = $item;
            return $this->responseService->success($data);
        } catch (Exception $e) {
            return $this->responseService->systemError(
                __('exception.get_data_failed') . '：' . $e->getMessage()
            );
        }
    }

    /**
     * @param Request $request
     * @param string  $id
     * @return JsonResponse
     * @throws CustomException
     * @throws ValidationException
     */
    public function update(Request $request, string $id): JsonResponse
    {
        try {
            $data = $request->all();
            $this->saveValidator($data, $id);
            $data['admin_user_id'] = $this->adminUserId;
            $this->service->updateModel($data, $id);
            return $this->responseService->success(
                null,
                __('admin.update_succeeded')
            );
        } catch (ValidationException|CustomException $e) {
            throw $e;
        } catch (Exception $e) {
            return $this->responseService->systemError(
                __('admin.operation_failed') . '：'
                . $e->getMessage()
            );
        }
    }

    /**
     * @param array $data
     * @param int   $id
     * @return void
     * @throws ValidationException
     */
    protected function saveValidator(array $data, int $id = 0): void
    {
        $rules = [
            'license_plate' => 'required',
            'parking_id'    => 'required',
            'reason'        => 'required',
            'channel_ids'   => 'required|array'
        ];
        $messages = [
            'license_plate.required' => __(
                'validation.channel_management.l_empty'
            ),
            'parking_id.required'    => __(
                'validation.channel_management.pa_empty'
            ),
            'reason.required'        => __(
                'validation.channel_management.n_empty'
            ),
            'channel_ids.required'   => __(
                'validation.channel_permissions.c_empty'
            ),
            'channel_ids.array'      => __(
                'validation.channel_permissions.c_array'
            )
        ];
        if ($id) {
            $this->validateId($id, ParkingWhitelist::class);
        }
        $validator = Validator::make($data, $rules, $messages);

        if ($validator->fails()) {
            throw new ValidationException($validator);
        }
    }

    /**
     * @param string $id
     * @return JsonResponse
     * @throws CustomException
     * @throws ValidationException
     */
    public function destroy(string $id): JsonResponse
    {
        try {
            $this->validateId($id, ParkingWhitelist::class);
            $this->service->deleteModel($id);
            return $this->responseService->success(
                null,
                __('admin.delete_succeeded')
            );
        } catch (ValidationException|CustomException $e) {
            throw $e;
        } catch (Exception $e) {
            return $this->responseService->systemError(
                __('admin.operation_failed') . '：'
                . $e->getMessage()
            );
        }
    }

    public function downloadTemplate()
    {
        return Excel::download(
            new ParkingWhitelistTemplateExport(),
            set_space_underline(__exports('whitelist.list'))
            . get_datetime('date_')
            . '.xlsx'
        );
    }

    public function batchImport(Request $request)
    {
        try {
            // 1. 验证上传的文件
            $data = $request->all();
            $validator = Validator::make($data, [
                'file' => 'required|mimes:xlsx,xls,csv,txt|max:2048'
            ], [
                'file.required' => __validation('admin_list_vip.file_empty'),
                'file.mimes'    => __validation('admin_list_vip.file_mimes'),
                'file.max'      => __validation('admin_list_vip.file_max')
            ]);
            if ($validator->fails()) {
                throw new ValidationException($validator);
            }

            // 2. 获取上传的文件
            $file = $request->file('file');

            // 3. 正确的做法：先存储文件，再获取绝对路径进行导入
            $path = $file->store('imports');

            // 4. 执行导入（使用存储后的绝对路径）
            // storage_path('app') 获取 storage/app 的绝对路径
            Excel::import(
                new ParkingWhitelistImport($this->adminUserId),
                storage_path('app/' . $path)
            );

            // 5. （可选）导入完成后删除临时文件
            Storage::delete($path);

            return $this->responseService->success(
                __('controller.import.success')
            );
        } catch (ValidationException $e) {
            throw $e;
        } catch (Exception $e) {
            return $this->responseService->systemError(
                __('exception.admin_vip_list.import_failed') . '：'
                . $e->getMessage()
            );
        }
    }

    /**
     * @param Request $request
     * @return JsonResponse
     * @throws CustomException
     * @throws ValidationException
     */
    public function store(Request $request): JsonResponse
    {
        try {
            $data = $request->all();
            $this->saveValidator($data);
            $data['admin_user_id'] = $this->adminUserId;
            $this->service->createModel($data);
            return $this->responseService->success(
                null,
                __('admin.save_succeeded')
            );
        } catch (ValidationException|CustomException $e) {
            throw $e;
        } catch (Exception $e) {
            return $this->responseService->systemError(
                __('admin.operation_failed') . '：'
                . $e->getMessage()
            );
        }
    }

    public function export()
    {
        return Excel::download(
            new ParkingWhitelistExport(),
            set_space_underline(__exports('whitelist.export_list'))
            . get_datetime('date_')
            . '.xlsx'
        );
    }
}