//-------------------------------------------------
//		youtube playlist jquery plugin
//		Created by dan@geckonm.com
//		www.geckonewmedia.com
//
//		custom patch - mixer_ <mixer@scurvydogs.org> 
//
//		v1.1 - updated to allow fullscreen 
//			 - thanks Ashraf for the request
//-------------------------------------------------

jQuery.fn.ytplaylist = function(options) {
 
  // default settings
  var options = jQuery.extend( {
    holderId: 'ytvideo',
	playerHeight: '300',
	playerWidth: '450',
	addThumbs: false,
	thumbSize: 'small',
	showInline: false,
	autoPlay: true,
	showRelated: true,
	allowFullScreen: false,
	player: 'internal'
  },options);
 
  return this.each(function() {
							
   		var selector = $(this);
		
		var autoPlay = "";
		var showRelated = "&rel=0";
		var fullScreen = "";
		var origin="";
		var enablejsapi="";
		if(options.autoPlay) autoPlay = "&autoplay=1"; 
		if(options.showRelated) showRelated = "&rel=1"; 
		if(options.allowFullScreen) fullScreen = "&fs=1"; 
		if(options.origin) origin = "&origin="+options.origin;
		if(options.enablejsapi) enablejsapi="&enablejsapi=1";
		
		//throw a youtube player in
		function play(id,player)
		{
		   var html  = '';
		   // patch: support embed with iframe - mixer_
		   if (options.player == 'internal')
		   {
			   html += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" height="'+options.playerHeight+'" width="'+options.playerWidth+'">';
			   html += '<param name="movie" value="http://www.youtube.com/v/'+id+'?'+enablejsapi+origin+autoPlay+showRelated+fullScreen+'&playerapiid=ytplayer"> </param>';
			   html += '<param name="wmode" value="transparent"> </param>';
			   html += '<param name="allowScriptAccess" value="always"></param>';
			   if(options.allowFullScreen) 
			   { 
			   		html += '<param name="allowfullscreen" value="true"> </param>'; 
			   }
			   html += '<embed src="http://www.youtube.com/v/'+id+'?'+enablejsapi+origin+autoPlay+showRelated+fullScreen+'&playerapiid=ytplayer"';
			   if(options.allowFullScreen) { 
			   		html += ' allowfullscreen="true" '; 
			   	}
			   html += 'type="application/x-shockwave-flash" wmode="transparent"  height="'+options.playerHeight+'" width="'+options.playerWidth+'" allowscriptaccess="always"></embed>';
			   html += '</object>';
		   }
		   else 
		   {
			   html+='<iframe title="YouTube video player" width="'+options.playerWidth+'" height="'+options.playerHeight+'" src="http://www.youtube.com/embed/'+id+'?'+enablejsapi+origin+autoPlay+showRelated+fullScreen+'" frameborder="0" allowscriptaccess="always" ';
			   if (options.allowFullScreen) html+='allowfullscreen';
			   html+='></iframe>';
		   }
			
		   return html;
		   
		};
		
		
		//grab a youtube id from a (clean, no querystring) url (thanks to http://jquery-howto.blogspot.com/2009/05/jyoutube-jquery-youtube-thumbnail.html)
		function youtubeid(url) {
			var ytid = url.match("[\\?&]v=([^&#]*)");
			ytid = ytid[1];
			return ytid;
		};
		
		
		//load inital video
		var firstVid = selector.children("li:first-child").addClass("currentvideo").children("a").attr("href");
		$("#"+options.holderId+"").html(play(youtubeid(firstVid),options.player));
		
		//load video on request
		selector.children("li").children("a").click(function() {
			
			if(options.showInline) {
				$("li.currentvideo").removeClass("currentvideo");
				$(this).parent("li").addClass("currentvideo").html(play(youtubeid($(this).attr("href"))));
			}
			else {
				$("#"+options.holderId+"").html(play(youtubeid($(this).attr("href"))));
				$(this).parent().parent("ul").find("li.currentvideo").removeClass("currentvideo");
				$(this).parent("li").addClass("currentvideo");
			}
															 
			
			
			return false;
		});
		
		//do we want thumns with that?
		if(options.addThumbs) {
			
			selector.children().each(function(i){
											  
				var replacedText = $(this).text();
				
				if(options.thumbSize == 'small') {
					var thumbUrl = "http://img.youtube.com/vi/"+youtubeid($(this).children("a").attr("href"))+"/2.jpg";
				}
				else {
					var thumbUrl = "http://img.youtube.com/vi/"+youtubeid($(this).children("a").attr("href"))+"/0.jpg";
				}
				
				// patch: enforce height - mixer_
				$(this).children("a").empty().html("<img src='"+thumbUrl+"' alt='"+replacedText+"' height='97' width='130'/>"+replacedText).attr("title", replacedText);
				
			});	
			
		}
			
		
   
  });
 
};
