<?php
declare(strict_types=1);

namespace Esun\Homepage\Model\Config\Backend;

use Magento\Config\Model\Config\Backend\Serialized\ArraySerialized;
use Magento\Config\Model\ResourceModel\Config\Data as ConfigResource;
use Magento\Config\Model\ResourceModel\Config\Data\Collection as ConfigCollection;

class CreateAnythingItems extends ArraySerialized
{
    protected function _construct(): void
    {
        $this->_setResourceModel(ConfigResource::class, ConfigCollection::class);
    }

    public function beforeSave()
    {
        $value = $this->getValue();
        $items = [];

        if (is_array($value)) {
            unset($value['__empty']);
            foreach ($value as $row) {
                if (!is_array($row)) {
                    continue;
                }

                $title = trim((string) ($row['title'] ?? ''));
                $subtitle = trim((string) ($row['subtitle'] ?? ''));
                $videoId = (int) ($row['video_id'] ?? 0);
                $productSku = trim((string) ($row['product_sku'] ?? ''));
                $sortNumber = (int) ($row['sort_number'] ?? 0);

                if ($title === '' || $videoId <= 0 || $productSku === '') {
                    continue;
                }

                $items[] = [
                    'title' => $title,
                    'subtitle' => $subtitle,
                    'video_id' => $videoId,
                    'product_sku' => $productSku,
                    'sort_number' => $sortNumber,
                ];
            }
        }

        usort($items, static function (array $left, array $right): int {
            return $left['sort_number'] <=> $right['sort_number'];
        });

        $this->setValue($items);

        return parent::beforeSave();
    }
}