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

namespace Extmag\DhlShipping\Model\Source;

use Extmag\Shiplab\Model\ResourceModel\ShipperAccount\Collection;
use Magento\Framework\Data\OptionSourceInterface;

class Accounts implements OptionSourceInterface
{
    /**
     * @var Collection
     */
    protected $account;

    /**
     * @param Collection $account
     */
    public function __construct(Collection $account)
    {
        $this->account = $account;
    }

    /**
     * Returns array to be used in multiselect on back-end
     *
     * @return array
     */
    public function toOptionArray()
    {
        $items = $this->account->getItemsByCarrierCode('dhl');
        $arr   = [['value' => '', 'label' => __('Please select')]];
        foreach ($items as $item) {
            $arr[] = ['value' => $item->getId(), 'label' => $item->getTitle()];
        }

        return $arr;
    }
}