<?php

namespace App\Http\Controllers\Reserve;

use App\Models\AdminFloor;
use App\Models\EventCalendar;
use App\Models\ParkingChannel;
use App\Models\ParkingPattern;
use App\Models\ParkingPatternSpace;
use App\Models\ParkingReservation;
use App\Models\ParkingSpace;
use App\Models\ParkingSpaceAttributes;
use App\Services\ApiResponseService;
use App\Services\OperationLogService;
use App\Services\ParkingLicensePlateService;
use App\Services\ParkingReservationService;
use Exception;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use JetBrains\PhpStorm\ArrayShape;

class ReservationController
{
    /**
     * @var ApiResponseService
     */
    protected ApiResponseService $responseService;
    protected ParkingReservationService $service;

    /**
     * 构造函数
     */
    public function __construct()
    {
        $this->responseService = new ApiResponseService();
        $this->service = new ParkingReservationService(new OperationLogService());
    }

    public function query(Request $request): JsonResponse
    {
        try {
            $date = $request->get('date');
            if (!$date) {
                throw new Exception('预约日期不能为空');
            }

            $infoData = $this->getDatePatternInfo($date);
            $pattern_id = $infoData['pattern_id'];
            $sum_quantity = $infoData['sum_quantity'];
            $count = $infoData['count'];

            $remaining_quantity = $sum_quantity - $count;
            $data = [
                'sum_quantity'       => $sum_quantity,
                'remaining_quantity' => $remaining_quantity,
                'pattern_id'         => $pattern_id,
                'space_attr_list'    => ParkingSpaceAttributes::getData()
            ];
            return $this->responseService->success($data);
        } catch (Exception $e) {
            return $this->responseService->systemError($e->getMessage());
        }
    }

    public function submit(Request $request): JsonResponse
    {
        try {
            $param = $request->all();
            $license_plate = $param['license_plate'] ?? '';
            $space_attr_id = $param['space_attr_id'] ?? '';
            $date = $param['date'] ?? '';
            $is_driver = $param['is_driver'] ?? 0;
            $pattern_id = $param['pattern_id'] ?? 0;
            if (empty($license_plate)) {
                throw new Exception('车牌号码不能为空');
            }
            if (empty($space_attr_id)) {
                throw new Exception('车位属性不能为空');
            }
            if (empty($date)) {
                throw new Exception('预约日期不能为空');
            }
            $infoData = $this->getDatePatternInfo($date);
            if ($pattern_id != $infoData['pattern_id']) {
                throw new Exception('活动失效');
            }
            if (!in_array($is_driver, [0, 1])) {
                throw new Exception('信息错误');
            }
            $error = (new ParkingLicensePlateService(
                new OperationLogService()
            ))->validateLicensePlate($license_plate);
            if ($error) {
                throw new Exception($error);
            }
            $param = $this->randParkingSpaceData($param);
            $data = $this->service->createData($param);
            return $this->responseService->success($data);
        } catch (Exception $e) {
            return $this->responseService->systemError($e->getMessage());
        }
    }


    public function confirm(Request $request): JsonResponse
    {
        try {
            $reserve_id = $request->post('id', '');
            if (empty($reserve_id)) {
                throw new Exception('数据缺失');
            }
            $id = ParkingReservation::query()->where(
                ['reserve_id' => $reserve_id, 'status' => 0]
            )->value('id');
            if (!$id) {
                throw new Exception('确认失败');
            }
            $this->service->confirm($id);
            return $this->responseService->success();
        } catch (Exception $e) {
            return $this->responseService->systemError($e->getMessage());
        }
    }

    public function cancel(Request $request): JsonResponse
    {
        try {
            $reserve_id = $request->post('id', '');
            if (empty($reserve_id)) {
                throw new Exception('数据缺失');
            }
            $id = ParkingReservation::query()->where('reserve_id', $reserve_id)->whereIn(
                'status',
                [0, 1]
            )->value('id');
            if (!$id) {
                throw new Exception('取消失败');
            }
            $this->service->cancel($id);
            return $this->responseService->success();
        } catch (Exception $e) {
            return $this->responseService->systemError($e->getMessage());
        }
    }

    protected function randParkingSpaceData($data)
    {
        $pattern_id = $data['pattern_id'];
        $date = $data['date'];
        $space_attr_id = $data['space_attr_id'];
        $space_ids = ParkingPatternSpace::query()->where(
            'pattern_id',
            $pattern_id
        )->pluck('space_id');

        $count = ParkingSpace::query()->whereIn('id', $space_ids)->where(
            'space_attr_id',
            $space_attr_id
        )->count();
        $reserveCount = ParkingReservation::query()->where('date', $date)
            ->whereIn(
                'status',
                [0, 1]
            )->where('space_attr_id', $space_attr_id)->count();
        if ($reserveCount == $count) {
            throw new Exception('当前属性车位已预约满');
        }
        $res = ParkingSpace::query()->whereIn('id', $space_ids)->where(
            'space_attr_id',
            $space_attr_id
        )->first()->toArray();
        $data['floor_id'] = $res['floor_id'];
        $data['floor_region_id'] = $res['region_id'];
        $data['space_type_id'] = $res['space_type_id'];
        $data['parking_id'] = AdminFloor::getParkingId($res['floor_id']) ?? 0;
        $data['channel_id'] = ParkingChannel::query()->where(
                'parking_id',
                $data['parking_id']
            )->value('id') ?? 0;
        return $data;
    }

    /**
     * @param $date
     * @return array
     * @throws Exception
     */
    #[ArrayShape([
        'count'        => "int",
        'sum_quantity' => "int",
        'pattern_id'   => "mixed"
    ])] protected function getDatePatternInfo($date): array
    {
        $date_time = get_datetime('datetime', strtotime($date));
        $pattern_id = EventCalendar::query()->where('status', 1)->where(
            'end_time',
            '>',
            $date_time
        )->whereRaw("DATE_FORMAT(start_time, '%Y-%m-%d') <= {$date}")
            ->value('pattern_id');
        if (!$pattern_id) {
            $pattern_id = ParkingPattern::query()->where('is_default', 1)
                ->value('id');
            // throw new Exception('没有活动，不可预约');
        }
        $spaceIds = ParkingPatternSpace::getParkingSpaceIds($pattern_id);
        $sum_quantity = count($spaceIds);

        $count = ParkingReservation::query()->where('date', $date)->whereIn(
            'status',
            [0, 1]
        )->count();
        if ($count == $sum_quantity) {
            throw new Exception('车位已预约满');
        }
        return [
            'count'        => $count,
            'sum_quantity' => $sum_quantity,
            'pattern_id'   => $pattern_id
        ];
    }
}