//-------------------------------------------------
//		youtube playlist jquery plugin
//		Created by dan@geckonm.com
//		www.geckonewmedia.com
//
//		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
  },options);

  return this.each(function() {

   		var selector = $(this);

		var autoPlay = "";
		var showRelated = "&rel=0";
		var fullScreen = "";
		if(options.autoPlay) autoPlay = "&autoplay=1";
		if(options.showRelated) showRelated = "&rel=1";
		if(options.allowFullScreen) fullScreen = "&fs=1";

		//throw a youtube player in
		function play(id)
		{
		   var html  = '';

		   html += '<object height="'+options.playerHeight+'" width="'+options.playerWidth+'">';
		   html += '<param name="movie" value="http://www.youtube.com/v/'+id+autoPlay+showRelated+fullScreen+'"> </param>';
		   html += '<param name="wmode" value="transparent"> </param>';
		   if(options.allowFullScreen) {
		   		html += '<param name="allowfullscreen" value="true"> </param>';
		   }
		   html += '<embed src="http://www.youtube.com/v/'+id+autoPlay+showRelated+fullScreen+'"';
		   if(options.allowFullScreen) {
		   		html += ' allowfullscreen="true" ';
		   	}
		   html += 'type="application/x-shockwave-flash" wmode="transparent"  height="'+options.playerHeight+'" width="'+options.playerWidth+'"></embed>';
		   html += '</object>';

		   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)));

		//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";
				}


				$(this).children("a").empty().html("<img src='"+thumbUrl+"' alt='"+replacedText+"' />"+replacedText).attr("title", replacedText);

			});

		}



  });

};