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<?php
/**
 * Copyright © Extmag. All rights reserved.
 */

namespace Extmag\Shiplab\Model\Source;

use Magento\Framework\App\RequestInterface;
use Magento\Framework\Data\OptionSourceInterface;
use Magento\Sales\Model\OrderFactory;

class ProductsByOrder implements OptionSourceInterface
{
    protected $orderFactory;
    protected $request;

    public function __construct(
        OrderFactory $productCollectionFactory,
        RequestInterface $request
    ) {
        $this->orderFactory = $productCollectionFactory;
        $this->request = $request;
    }

    public function toOptionArray()
    {
        $order = $this->orderFactory->create()->load($this->request->getParam('order_id'));
        $ret = [];

        foreach ($order->getAllVisibleItems() as $value) {
            if ($value->getHasChildren() && $value->getProductType() != 'configurable') {
                $children = $value->getChildrenItems();
                $parentProducts = [];
                foreach ($children as $item) {
                    $parentProducts[] = [
                        'value' => $item->getId(),
                        'label' => $item->getName(),
                    ];
                }

                $ret[] = [
                    'value' => $parentProducts,
                    'label' => $value->getName(),
                ];
            } else {
                $ret[] = [
                    'value' => $value->getId(),
                    'label' => $value->getName(),
                ];
            }
        }

        return $ret;
    }
}