<?php
/**
* @package		Foundry
* @copyright	Copyright (C) Stack Ideas Sdn Bhd. All rights reserved.
* @license		GNU/GPL, see LICENSE.php
* Foundry is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
defined('_JEXEC') or die('Unauthorized Access');

class OembedAdapterVimeo extends OembedAdapter
{
	public $error = null;
	
	/**
	 * Tests to see if the url is a valid url for this adapter
	 *
	 * @since	1.0.0
	 * @access	public
	 */
	public function isValid($url)
	{
		if (stristr($url, 'vimeo.com') === false) {
			return false;
		}
		
		return true;
	}

	public function process(&$result)
	{
		$oembed = $this->getOembedData();

		if (!$oembed) {
			$result->oembedError = $this->error;
			return $result;
		}

		$result->oembed = $oembed;
		$result->url = $this->url;

		return $result;
	}

	public function getOembedData()
	{
		$encodedURL = urlencode($this->url);
		$serviceUrl = 'https://vimeo.com/api/oembed.json?url=' . $encodedURL;

		$connector = FH::connector($serviceUrl);
		$contents = $connector->execute()->getResult();

		$object = json_decode($contents);

		// if the status code return you 403 mean this video only embed on the specific domain site
		if (isset($object->domain_status_code) && ($object->domain_status_code == 403)) {

			// Retrieve the current domain site URL
			$domain = JURI::root();

			$connector = FH::connector($serviceUrl);
			$contents = $connector->addReferrer($domain)->execute()->getResult();

			$object = json_decode($contents);
		}

		if (!$object || (isset($object->domain_status_code) && $object->domain_status_code != 200)) {

			// error status code described at https://developer.vimeo.com/api/oembed/videos#embedding-videos-with-domain-privacy
			// just render this default vimeo error message if the response return empty and domin status code is 403
			$this->error = JText::_('Video data cannot be retrieved. The video may be invalid, or does not have the proper embed permission.');

			if (isset($object->domain_status_code) && ($object->domain_status_code == 404)) {
				$this->error = JText::_('Video cannot be accessed because of privacy or permissions issues, or the video is still transcoding.');
			}

			return false;
		}

		if (isset($object->thumbnail_url)) {
			$object->thumbnail = $object->thumbnail_url;
		}

		return $object;
	}
}