<?php

	 /**
	 * Elgg Video Plugin
	 * This plugin allows users to create a library of youtube/vimeo/metacafe videos
	 * @file - the add user interface
	 * @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();	
    $page_owner = page_owner_entity();	
		$error = array(
									'no-video' => 1
									);
		$error_msg = array(
									'no-video' => "Please enter a valid video url"
									);
		
		$container_guid = get_input("container_guid");
		set_page_owner($container_guid);
		
		$confirm_action = get_input('video_action');
		$guid = get_input('guid');
		$access_id = get_input('access_id');
		$title_videourl = get_input('title_videourl');
		$Pagecontainer = get_input('page');
		$get_addvideourl = get_input('add_videourl');
		$timestamp = time();
		$token = generate_action_token(time());
		if(!empty($get_addvideourl) && ($Pagecontainer == "youtube"))
			$title_add_videourl = "http://www.youtube.com/watch?v=".$get_addvideourl;
		else if(!empty($get_addvideourl) && ($Pagecontainer == "metacafe"))
			$title_add_videourl = "http://www.metacafe.com/api/item/".$get_addvideourl;
		else if(!empty($get_addvideourl) && ($Pagecontainer == "vimeo"))
			$title_add_videourl = "http://vimeo.com/".$get_addvideourl;
		else
			$title_add_videourl = "";
		
		
		$tags = get_input('videolisttags');

		function video_youtube_parse_url($url)
  	{    
				if (!preg_match('/(http:\/\/)([a-zA-Z]{2,3}\.)(youtube\.com\/)(.*)/', $url, $matches))
				{
				  return false;    
				}
				
				$domain = $matches[2] . $matches[3];
				$path = $matches[4]; 
			 
				if (!preg_match('/^(watch\?v=)([a-zA-Z0-9_-]*)(&.*)?$/',$path, $matches))
				{
				  return false;        
				}
				
				$hash = $matches[2];
				
				
				return $domain . 'v/' . $hash;
  	}
		
		function video_vimeo_parse_url($url)
  	{    
				if (!preg_match('/(http:\/\/)([a-zA-Z]{2,3}\.)(vimeo\.com\/)(.*)/', $url, $matches))
				{
				  return false;    
				}
				
				$domain = $matches[2] . $matches[3];
				$path = $matches[4]; 
			 
				$hash = $matches[2];
				
				
				return $domain . '/' . $hash;
  	}
  	
  	function video_metacafe_parse_url($url)
  	{    
				if (!preg_match('/(http:\/\/)([a-zA-Z]{2,3}\.)(metacafe\.com\/)(.*)/', $url, $matches))
				{
				  return false;    
				}
				
				$domain = $matches[2] . $matches[3];
				$path = $matches[4]; 
			 
				$hash = $matches[2];
				
				
				return $domain . '/' . $hash;
  	}
	
		if(isset($confirm_action) && ($confirm_action == 'add_video'))
		{
			if(isset($title_videourl) && ($title_videourl != ''))
			{
				if($Pagecontainer != "youtube" || $Pagecontainer != "vimeo" || $Pagecontainer != "metacafe"){
					if(preg_match("/youtube/i", $title_videourl))
						$Pagecontainer = "youtube";
					if(preg_match("/vimeo/i", $title_videourl))
						$Pagecontainer = "vimeo";
					if(preg_match("/metacafe/i", $title_videourl))
						$Pagecontainer = "metacafe";
				}
				if($Pagecontainer == "youtube")
					$is_valid_video = video_youtube_parse_url($title_videourl);
				else if($Pagecontainer == "vimeo"){
					$is_valid_video = video_vimeo_parse_url($title_videourl);
					$is_valid_video = $get_addvideourl;
				}
				else if($Pagecontainer == "metacafe"){
					$is_valid_video = video_metacafe_parse_url($title_videourl);
					$is_valid_video = $get_addvideourl;
				}
				if($is_valid_video)
				{	
					$error['no-video'] = 1;
					$_SESSION['candidate_profile_video'] = $is_valid_video;
					$_SESSION['candidate_profile_video_access_id'] = $access_id;
					$_SESSION['videolisttags'] = $tags;
					$_SESSION['Pagecontainer'] = $Pagecontainer;
					$_SESSION['container_guid'] = $container_guid;
					//echo $_SESSION['candidate_profile_video'];
					$url = "action/videolist/addvideo?__elgg_ts={$timestamp}&__elgg_token={$token}";
					forward($url);
				}
				else
					$error['no-video'] = 0;
			}	
			else
			{
				$error['no-video'] = 0;
			}
		}		


		$body = '<div class="videolist-content">';

		$body .= '<form action="'.$_SERVER['php_self'].'" method="post">';
		$body .= elgg_view('input/hidden',array('internalname'=>'video_action', 'value'=>'add_video'));
		$body .= elgg_view('input/hidden',array('internalname'=>'guid', 'value'=>$vars['guid']));
		
		
		$body .= '<p><label>'.elgg_echo("videolist:title_videourl").'<br />';
		$body .= elgg_view("input/text",array('internalname' => 'title_videourl','value'=>$title_add_videourl));
		if($error['no-video'] == 0)
		{
			$body .= '<div class="error">'.$error_msg['no-video'].'</div>';
		}
		$body .= '</label></p>';
		
		$body .= '<p><label>'.elgg_echo('videolist:tags');
    $body .= elgg_view('input/tags', array('internalname' => 'videolisttags', 'value' => $tags));
		$body .= '</label></p>';
		
		$body .= '<p><label>'.elgg_echo("videolist:title_access").'<br />';
		$body .= elgg_view('input/access',array('internalname'=>'access_id', 'value' => $access_id));
		$body .= '</label></p>';
		$body .= elgg_view('input/submit', array('internalname'=>'submit','value'=>elgg_echo('videolist:submit')));
		$body .= '</form>';
		$body .= '</div>';
		
		print $body."<br /><br />";
		
		
?>

<script type="text/javascript">

</script>