<?php
declare(strict_types=1);

namespace Esun\CustomerCoupon\Model\Config\Source;

use Magento\Framework\Data\OptionSourceInterface;
use Magento\SalesRule\Model\ResourceModel\Rule\CollectionFactory;
use Magento\SalesRule\Model\Rule;

class AutoGeneratedCartRule implements OptionSourceInterface
{
    public function __construct(private readonly CollectionFactory $collectionFactory)
    {
    }

    /**
     * Return active cart rules that support generated coupon codes.
     *
     * @return array<int, array{value: int|string, label: \Stringable|string}>
     */
    public function toOptionArray(): array
    {
        $collection = $this->collectionFactory->create();
        $collection->addFieldToSelect(['rule_id', 'name', 'coupon_type', 'use_auto_generation']);
        $collection->addFieldToFilter('is_active', 1);
        $collection->addFieldToFilter(
            ['coupon_type', 'use_auto_generation'],
            [['eq' => Rule::COUPON_TYPE_AUTO], ['eq' => 1]]
        );
        $collection->setOrder('name', 'ASC');

        $options = [['value' => '', 'label' => __('-- Disabled --')]];
        foreach ($collection as $rule) {
            $options[] = [
                'value' => (int)$rule->getId(),
                'label' => sprintf('%s (ID: %d)', (string)$rule->getName(), (int)$rule->getId()),
            ];
        }

        return $options;
    }
}