<?php

namespace App\Http\Controllers\Admin;

use App\Exports\ParkingBehaviorExport;
use App\Models\ParkingAccessRecord;
use App\Models\ParkingInformation;
use App\Models\ParkingLicensePlate;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Exception;
use Illuminate\Support\Facades\DB;
use Maatwebsite\Excel\Facades\Excel;
use Symfony\Component\HttpFoundation\BinaryFileResponse;

class ParkingBehaviorController extends BaseController
{
    protected string $menuUri = 'parkingBehavior';

    public function index(Request $request): JsonResponse
    {
        try {
            $select = " SELECT DATE_FORMAT(FROM_UNIXTIME(enter_time), "
                . "'%Y-%m-%d') AS time_period, `license_plate_id`, "
                . "COUNT(license_plate_id) AS parking_frequency, SUM(COALESCE("
                . "leave_time, UNIX_TIMESTAMP()) - enter_time) AS parking_duration";
            $from = " FROM `parking_access_record` ";
            $group = " GROUP BY DATE_FORMAT(FROM_UNIXTIME(enter_time),"
                . " '%Y-%m-%d'), `license_plate_id`";

            $whereArr = [];
            if ($request->has('start_time') && $request->has('end_time')) {
                $start_time = $request->input('start_time');
                $end_time = $request->input('end_time');
                if ($start_time && $end_time) {
                    $end_times = strtotime($end_time . ' 23:59:59');
                    $start_times = strtotime($start_time . ' 00:00:00');
                    if ($start_times && $end_times) {
                        $whereArr[]
                            = " enter_time BETWEEN {$start_times} and {$end_times}";
                    }
                }
            }

            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) {
                        $whereArr[] = " license_plate_id = {$license_plate_id}";
                    } else {
                        $whereArr[] = " id = 0";
                    }
                }
            }

            $where = $whereArr ? ' WHERE ' . implode(' AND ', $whereArr) : '';

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

            $havingArr = [];
            if ($request->has('min_count') && $request->has('max_count')) {
                $min_count = $request->input('min_count');
                $max_count = $request->input('max_count');
                if (is_numeric($min_count) && is_numeric($max_count)) {
                    $havingArr[]
                        = "(parking_frequency >= {$min_count} AND parking_frequency <= {$max_count})";
                }
            }

            if ($request->has('min_times') && $request->has('max_times')) {
                $min_times = $request->input('min_times');
                $max_times = $request->input('max_times');
                if (is_numeric($min_times) && is_numeric($max_times)) {
                    $havingArr[]
                        = "(parking_duration >= {$min_times} AND parking_duration <= {$max_times})";
                }
            }
            $having = $havingArr ? " HAVING " . implode(' AND ', $havingArr)
                : '';

            $total = 0;
            $all = DB::select($select . $from . $where . $group . $having);

            if ($all) {
                $total = count($all);
            }
            $offset = ($page - 1) * $perPage;

            $limit = " LIMIT {$offset}, {$perPage}";
            $items = DB::select(
                $select . $from . $where . $group . $having . $limit
            );

            foreach ($items as &$item) {
                $license_plate = ParkingLicensePlate::getNumber(
                    $item->license_plate_id
                );
                $item->license_plate = $license_plate;
                unset($item->license_plate_id);
            }
            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 BinaryFileResponse
     */
    public function export(): BinaryFileResponse
    {
        return Excel::download(
            new ParkingBehaviorExport(),
            set_space_underline(__('exports.parking_behavior.list'))
            . get_datetime('date_')
            . '.xlsx'
        );
    }
}