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<?php
/**
 * @license http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 * @author Hervé Guétin <[email protected]> <@herveguetin>
 * @copyright Copyright (c) 2016 Agence Soon (http://www.agence-soon.fr)
 */

namespace Soon\Faq\Block\Adminhtml\Category\Edit\Button;


use Magento\Framework\App\RequestInterface;
use Magento\Framework\Model\AbstractModel;
use Magento\Framework\UrlInterface;
use Magento\Framework\View\Element\UiComponent\Control\ButtonProviderInterface;
use Soon\Faq\Model\CategoryFactory as ModelFactory;

class Delete implements ButtonProviderInterface
{

    /**
     * @var ModelFactory
     */
    private $modelFactory;
    /**
     * @var RequestInterface
     */
    private $request;
    /**
     * @var UrlInterface
     */
    private $url;

    public function __construct(
        ModelFactory $modelFactory,
        RequestInterface $request,
        UrlInterface $url
    )
    {
        $this->modelFactory = $modelFactory;
        $this->request = $request;
        $this->url = $url;
    }

    /**
     * Retrieve button-specified settings
     *
     * @return array
     */
    public function getButtonData()
    {
        $data = [];
        if ($this->getInstanceId()) {
            $data = [
                'label' => __('Delete'),
                'class' => 'delete',
                'on_click' => 'deleteConfirm(\'' . __(
                        'Are you sure you want to do this?'
                    ) . '\', \'' . $this->getDeleteUrl() . '\')',
                'sort_order' => 20,
            ];
        }
        return $data;
    }

    /**
     * @return string
     */
    private function getDeleteUrl()
    {
        return $this->url->getUrl('*/*/delete', ['id' => $this->getInstanceId()]);
    }

    /**
     * @return int|null
     */
    private function getInstanceId()
    {
        $model = $this->modelFactory->create();
        $id = $this->request->getParam('id');

        /** @var AbstractModel $model */
        $model->getResource()->load($model, $id);

        return ($model->getId()) ? $model->getId() : null;
    }
}