<?php
namespace App\Imports;

use Maatwebsite\Excel\Concerns\ToCollection;
use Illuminate\Support\Collection;

class OrderItemsPreviewImport implements ToCollection
{
    public array $rows = [];

    public function collection(Collection $collection)
    {
        $header = $collection->first()->map(fn ($h) => strtolower(trim($h)))->toArray();

        foreach ($collection->skip(1) as $row) {
            $item = [];
            foreach ($header as $i => $key) {
                $item[$key] = $row[$i] ?? null;
            }

            if (!empty($item['description'])) {
                $this->rows[] = $item;
            }
        }
    }
}