<?php
/**
 * This file is part of the Cloudinary PHP package.
 *
 * (c) Cloudinary
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Cloudinary\Asset;

use Cloudinary\Transformation\CommonTransformation;
use Cloudinary\Transformation\ImageTransformation;
use Cloudinary\Transformation\ImageTransformationInterface;
use Cloudinary\Transformation\ImageTransformationTrait;

/**
 * Class Image
 *
 * @api
 */
class Image extends BaseMediaAsset implements ImageTransformationInterface
{
    use ImageTransformationTrait;

    const SHORTEN_ASSET_TYPE = 'iu';

    /**
     * @var array A list of the delivery types that support SEO suffix.
     */
    protected static $suffixSupportedDeliveryTypes = [
        AssetType::IMAGE => [
            DeliveryType::UPLOAD           => 'images',
            DeliveryType::PRIVATE_DELIVERY => 'private_images',
            DeliveryType::AUTHENTICATED    => 'authenticated_images',
        ],
    ];

    /**
     * Gets the transformation.
     *
     * @return CommonTransformation
     */
    public function getTransformation()
    {
        if (! isset($this->transformation)) {
            $this->transformation = new ImageTransformation();
        }

        return $this->transformation;
    }

    /**
     * Finalizes the asset type.
     *
     * @return mixed
     */
    protected function finalizeAssetType()
    {
        return $this->finalizeShorten(parent::finalizeAssetType());
    }
}