<?php

namespace App\Merchant\Exporters;

use App\Models\Coupon;
use Maatwebsite\Excel\Concerns\Exportable;
use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithMapping;

class CensusExport implements FromCollection, WithMapping, WithHeadings
{
    use Exportable;

    public $year  = '';
    public $month = '';
    public $user  = '';

    public function __construct($date, $user)
    {
        $this->year     = $date[0];
        $this->month    = $date[1];
        $this->user     = $user;
        $this->fileName = '核销统计' . $this->year . '-' . $this->month . '.xlsx';

    }

    public function headings(): array
    {
        return ['日期', '100元减10元优惠券', '100元减25元优惠券', '100元减50元优惠券', '200元减100元优惠券'];
    }

    public function collection()
    {
        $coupons = Coupon::where('user_id', $this->user->id)
            ->whereYear('created_at', $this->year)
            ->whereMonth('created_at', $this->month)
            ->where('status', 2)
            ->get(['id', 'thirdPartyGoodsId', 'created_at']);

        $coupons = $coupons->groupBy('create_day')->map(function ($items, $key) {
            $data = [
                'day'    => $key,
                'ysd10'  => $items->where('thirdPartyGoodsId', 'YSD-full100-10')->count() ?? 0,
                'ysd25'  => $items->where('thirdPartyGoodsId', 'YSD-full100-25')->count() ?? 0,
                'ysd50'  => $items->where('thirdPartyGoodsId', 'YSD-full100-50')->count() ?? 0,
                'ysd100' => $items->where('thirdPartyGoodsId', 'YSD-full200-100')->count() ?? 0,
            ];
            return collect($data);
        });
        $coupons = $coupons->sortByDesc('day');

        return $coupons;

    }

    public function map($info): array
    {
        $data = [
            $info['day'],
            ' ' . $info['ysd10'],
            ' ' . $info['ysd25'],
            ' ' . $info['ysd50'],
            ' ' . $info['ysd100'],
        ];

        return $data;
    }

}