<?php

namespace App\Imports;

use App\Models\Goods;
use App\Models\GoodsSkuLocation;
use Maatwebsite\Excel\Concerns\SkipsEmptyRows;
use Maatwebsite\Excel\Concerns\ToArray;
use Maatwebsite\Excel\Concerns\WithStartRow;

class GoodsSkuLocationImport implements ToArray, SkipsEmptyRows, WithStartRow
{
    public function startRow(): int
    {
        return 2;
    }

    public function array(array $array)
    {
        $goodsCode = $deleteLocation = [];
        foreach ($array as &$row) {
            $row = array_map(function ($value) {
                return trim($value);
            }, $row);
            $goodsCode[] = $row[2];
            $deleteLocation[] = $row[5];
        }
        GoodsSkuLocation::query()->whereIn('location', $deleteLocation)->delete();
        unset($row);
        $goods = Goods::query()
            ->whereIn('goods_code', $goodsCode)
            ->get(['id', 'goods_code', 'title']);
        $goodsSkus = [];
        foreach ($goods as $goodsItem) {
            foreach ($goodsItem->skus as $sku){
                $goodsSkus[$goodsItem['goods_code']][$sku->sku_code] = [
                    'goods_id' => $goodsItem->id,
                    'goods_sku_id' => $sku->id,
                    'external_sku_id' => $goodsItem['goods_code'] . '_' . $sku->sku_code,
                    'goods_name' => $goodsItem['title'] . '_' . $sku->title,
                ];
            }
        }
        $data = [];
        foreach ($array as $row) {
            if (isset($goodsSkus[$row[2]][$row[4]])) {
                $data[] = array_merge($goodsSkus[$row[2]][$row[4]], [
                    'date' => date('Y-m-d'),
                    'today_init_num' => $row[1],
                    'location' => $row[5],
                ]);
            }
        }
        $model = new GoodsSkuLocation();
        $model->batchInsert($data);
    }
}