<?php

/**
 * Elgg Video Plugin
 * This plugin allows users to create a library of youtube/vimeo/metacafe videos
 *
 * @package Elgg
 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
 * @author Prateek Choudhary <synapticfield@gmail.com>
 * @copyright Prateek Choudhary
 */

// Make sure we're logged in (send us to the front page if not)
gatekeeper();

// Get the current page's owner
set_page_owner($_SESSION['container_guid']);

$page_owner = page_owner_entity();

if ($page_owner === false || is_null($page_owner)) {
	$page_owner = $_SESSION['user'];
	set_page_owner($_SESSION['guid']);
}

if($page_owner instanceof ElggGroup) {
	$entity_referer = $page_owner->type.":".$page_owner->getGUID();
} else {
	$entity_referer = $page_owner->username;
}

require_once(dirname(dirname(__FILE__)) . "/models/lib/class.vimeo.php");

function fetchyoutubeDatatitle($videoid){
	$buffer = file_get_contents('http://gdata.youtube.com/feeds/api/videos/'.$videoid);
	/**
	** generate XML View
	**/
	$xml_buffer = new SimpleXMLElement($buffer);
	$vidDataTitle = $xml_buffer->title;
	return $vidDataTitle;
	//return "";
}

function fetchyoutubeDatadesc($videoid){
	$buffer = file_get_contents('http://gdata.youtube.com/feeds/api/videos/'.$videoid);
	/**
	 ** generate XML View
	 **/
	$xml_buffer = new SimpleXMLElement($buffer);
	$vidDataDesc = $xml_buffer->content;
	return $vidDataDesc;
	//return "";
}

function getVimeoInfoDataTitle($iGetVideoId){
	// Now lets do the search query. We will get an response object containing everything we need
	$oResponse = VimeoVideosRequest::getInfo($iGetVideoId);
	// We want the result videos as an array of objects
	$aoVideos = $oResponse->getVideo();
	$title = $aoVideos->getTitle();
	return $title;
}

function getVimeoInfoDataDesc($iGetVideoId){
	// Now lets do the search query. We will get an response object containing everything we need
	$oResponse = VimeoVideosRequest::getInfo($iGetVideoId);
	// We want the result videos as an array of objects
	$aoVideos = $oResponse->getVideo();
	$description = $aoVideos->getCaption();
	return $description;
}

function getVimeoInfoImage($iGetVideoId){
	// Now lets do the search query. We will get an response object containing everything we need
	$oResponse = VimeoVideosRequest::getInfo($iGetVideoId);
	// We want the result videos as an array of objects
	$aoVideos = $oResponse->getVideo();
	//get all thumbnails

	$aThumbnails = array();
	foreach($aoVideos->getThumbnails() as $oThumbs) {
		$aThumbnails[] = $oThumbs->getImageContent();
	}

	foreach($aThumbnails as $thumbnailArray){
		$thumbnail = $thumbnailArray;
		break;
	}

	return $thumbnail;
}

function fetchyoutubeDatathumbnail($videoId){
	$thumbnail = "http://img.youtube.com/vi/".$videoId."/default.jpg";
	return $thumbnail;
}

function metacafeFetchData($getVideoId){
	$feedURL = "http://www.metacafe.com/api/item/".$getVideoId;
	$sxml = new DomDocument;
	$sxml->load($feedURL);
	$myitem = $sxml->getElementsByTagName('item');
	return $myitem;
}

function fetchmetacafeTitle($getVideoId){
	$myitem = metacafeFetchData($getVideoId);
	foreach($myitem as $searchNode){
		$xmlTitle = $searchNode->getElementsByTagName("title");
		$valueTitle = $xmlTitle->item(0)->nodeValue;
	}
	return $valueTitle;
}

function fetchmetacafeDesc($getVideoId){
	$myitem = metacafeFetchData($getVideoId);
	foreach($myitem as $searchNode){
		$xmlDesc = $searchNode->getElementsByTagName("description");
		$valueDesc = $xmlDesc->item(0)->nodeValue;
		$ot = "<p>";
		$ct = "</p>";
		$string = trim($valueDesc);
		$start = intval(strpos($string, $ot) + strlen($ot));
		$desc_src = substr($string,$start,intval(strpos($string,$ct) - $start));
	}
	return $desc_src;
}

function fetchmetacafeImg($getVideoId){
	$myitem = metacafeFetchData($getVideoId);
	foreach($myitem as $searchNode){
		$xmlDesc = $searchNode->getElementsByTagName("description");
		$valueDesc = $xmlDesc->item(0)->nodeValue;
		$pattern = '/<img[^>]+src[\\s=\'"]';
		$pattern .= '+([^"\'>\\s]+)/is';
		if(preg_match($pattern,$valueDesc,$match)){
			$thumbnail = $match[1];
		}
	}
	return $thumbnail;
}

$pageContainer = $_SESSION['Pagecontainer'];


// Initialise a new ElggObject
$videolist = new ElggObject();
// Tell the system it's a blog post
$videolist->subtype = "videolist";
// Set its owner to the current user
$videolist->owner_guid = $_SESSION['user']->getGUID();

// Set container of the video whether it was uploaded to groups or profile
$videolist->container_guid = $_SESSION['container_guid'];
// For now, set its access to public (we'll add an access dropdown shortly)
$videolist->access_id = $_SESSION['candidate_profile_video_access_id'];

// In order to Set its title and description appropriately WE need the video ID
$videolist->url = $_SESSION['candidate_profile_video'];

if($pageContainer == "youtube"){
	$videoIDArray = split("/v/", $videolist->url);
	$videolist->video_id = $videoIDArray[1];
	// Now set the video title and description appropriately
	$videolist->title = fetchyoutubeDatatitle($videoIDArray[1]);
	$videolist->desc = fetchyoutubeDatadesc($videoIDArray[1]);
	$videolist->thumbnail = fetchyoutubeDatathumbnail($videoIDArray[1]);
	$videolist->videotype = "youtube";
}
else if($pageContainer == "metacafe"){
	$videolist->video_id = $_SESSION['candidate_profile_video'];
	// Now set the video title and description appropriately
	$videolist->title = fetchmetacafeTitle($_SESSION['candidate_profile_video']);
	$videolist->desc = fetchmetacafeDesc($_SESSION['candidate_profile_video']);
	$videolist->thumbnail = fetchmetacafeImg($_SESSION['candidate_profile_video']);
	$videolist->videotype = "metacafe";
}
else if($pageContainer == "vimeo"){
	$videolist->video_id = $_SESSION['candidate_profile_video'];

	// Now set the video title and description appropriately
	$videolist->title = getVimeoInfoDataTitle($_SESSION['candidate_profile_video']);
	$videolist->desc = getVimeoInfoDataDesc($_SESSION['candidate_profile_video']);
	$videolist->thumbnail = getVimeoInfoImage($_SESSION['candidate_profile_video']);
	$videolist->videotype = "vimeo";
}

// Before we can set metadata, we need to save the video
if (!$videolist->save()) {
	register_error(elgg_echo("videolist:error"));
	forward("pg/videolist/new");
}
//add video tags
$videolist_tags_array = string_to_tag_array($_SESSION['videolisttags']);
if (is_array($videolist_tags_array)) {
	$videolist->tags = $videolist_tags_array;
}

// add to river
add_to_river('river/object/videolist/create', 'create', $_SESSION['user']->guid, $videolist->guid);

// add_to_river('river/object/blog/create','create',$_SESSION['user']->guid,$blog->guid);
// Success message
system_message(elgg_echo("videolist:posted"));
// Remove the videolist cache
unset($_SESSION['candidate_profile_video_access_id']); unset($_SESSION['candidate_profile_video']);
unset($_SESSION['videolisttags']);unset($_SESSION['Pagecontainer']);
// Forward to the main videolist page

forward("pg/videolist/owned/".page_owner_entity()->username);

// Remove the videolist cache
unset($_SESSION['candidate_profile_video_access_id']); unset($_SESSION['candidate_profile_video']);
unset($_SESSION['videolisttags']);unset($_SESSION['Pagecontainer']);unset($_SESSION['container_guid']);