<?php

namespace App\Merchant\Exporters;

use App\Models\ActivityRule;
use App\Models\Coupon;
use Maatwebsite\Excel\Concerns\Exportable;
use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithMapping;
use Illuminate\Support\Arr;

class CensusExport implements FromCollection, WithMapping, WithHeadings
{

    use Exportable;

    public $year  = '';

    public $month = '';

    public $user  = '';

    public $rules;

    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';
        $this->rules    = ActivityRule::get();

    }

    public function headings(): array
    {
        $titles = ['日期'];
        foreach ($this->rules as $rule) {
            $titles[] = $rule->title;
        }

        return $titles;

    }

    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,
            ];

            foreach ($this->rules as $rule) {
                $data[$rule->code] = $items->where('thirdPartyGoodsId', $rule->code)->count();
            }

            return collect($data);
        });
        $coupons = $coupons->sortByDesc('day');

        return $coupons;

    }

    public function map($info): array
    {
        $data = [];

        foreach ($info as $value) {
            $data[] = '' . $value;
        }

        return $data;
    }

}