/**

 * purpose

 *

 * @param

 * @return

 * http://code.google.com/apis/youtube/developers_guide_protocol.html

 */



 var feelText = 'Type in how you feel...';



jQuery.fn.youtube = function(o) 

{   

    	 

    var script = null;

	var s = { 

                cleanReturn : 1,          //do you want a full youtube return, or just an image list

	        api_url     : null,

        	inlineVideo : 1,        //do you want to redirect to youtube, or play inlinevideo

		timer       : null,

		results     : null,

		callback    : null,

        	type        : null,    // allowed values: 'user', 'search'

        	user_id     : null,

        	tags        : null,    // comma separated list

		blockUI     : false,   // boolean, if true requires jquery.litebox.js

                keyword     : null,

                tag         : null,

		start       : null,    //The 1-based index of the first result to be retrieved (for paging).

		div         : this

				

            };

    if(o) 

	{

	    $.extend(s, o);

	}

   			

    return this.each(function(){

        		   

	  $('#youtube').remove();

	  $(this).append('<ul id="youtube">');

	  var url = $.youtube.format(s);

	  $.youtube.request(url);

    	});

}



/**

 * purpose

 *

 * @param

 * @return

 */

$.youtube = {

	        s: {}, 

                 /* start of format function */

		 format: function(s)

                 {

		          

		  this.s = s;

	          if (s.url) 

        	        {

        	          return s.url;

        	        }

        	        

        	        if (!s.callback) 

        	        {

        	            s.callback = 'dummy';

        	        }

                  

                  /*split the Yahoo tearms*/

                  tagStr = s.tags;

                  tagArr = tagStr.split('^^^');

                  s.keyword = tagArr[0];

                  s.tag     = tagArr[1];

                  

                  

                  if( s.tag == '' )

                  {

                    var url ='http://gdata.youtube.com/feeds/videos/-/'+s.keyword+'?start-index='+s.start+'&max-results='+s.results+'&alt=json-in-script&callback='+s.callback;

                  }

                  else

                  {

                    var url ='http://gdata.youtube.com/feeds/videos/-/'+s.tag+'?start-index='+s.start+'&max-results='+s.results+'&orderby=updated&alt=json-in-script&callback='+s.callback;

                  }

		  // alert (url);

		   return url;

		},  

		          /* end of format function */

              

              /* Start of request function */  

              request: function(url)

              {

		

		

		

		 var oldScriptTag = document.getElementById('jsonScript');



                 //alert(oldScriptTag);



		 if (oldScriptTag) 

		 {



                    //alert (oldScriptTag.id);



                    //alert ('delete');



		    oldScriptTag.parentNode.removeChild(oldScriptTag);

                  }

		 

                 //myurl = "http://gdata.youtube.com/feeds/videos/-/cool";		

		 script = document.createElement('script');

    		 	

		 script.setAttribute('id', 'jsonScript');

                 script.setAttribute('type', 'text/javascript');

		 script.setAttribute('src', url);

                 // InsertBefore for IE.

                // IE crashes on using appendChild before the head tag has been closed.

               // var head = document.getElementsByTagName('head').item(0);

                //head.insertBefore(script, head.firstChild);

		 //$('head',document).append( script );

		 // $('head').append(script);

		document.documentElement.firstChild.appendChild(script);

		//document.getElementsByTagName('head')[0].appendChild(script);

		

	// myurl ="http://gdata.youtube.com/feeds/videos?vq=sad&start-index=13&max-results=12&alt=json&callback=?";

	      // myurl ="http://gdata.youtube.com/feeds/videos?vq=sad&start-index=13&max-results=12&alt=json";

              

		//http://gdata.youtube.com/feeds/standardfeeds/most_viewed?alt=json-in-script&callback=handleData

		//$.getJSON("http://gdata.youtube.com/feeds/videos?vq=sad&start-index=13&max-results=12&alt=json&callback=?",jQuery.youtube.response); 

		//alert ('hello');

		//$.getJSON("http://gdata.youtube.com/feeds/videos?vq=sad&start-index=13&max-results=12&alt=json-in-script",

        //function(data){

          //    alert ('here');

        //});

		//$.getJSON(myurl,function(data){alert ('here');});

		 //jQuery('head', document).append(script);

	       },  

        /* end of request function */

	          

	/* Start of response function */

	response: function(r)

	{

	   //alert ('json response');

	   //alert (r);

	   // id = $.youtube.getId(r.feed.title.$t);

	   $.youtube.listVideos(r);  

        },

	/* end of response function */

       /* Start of getId function */

      getId: function(string)

	    {

		  var match = string.lastIndexOf("'s Videos");

		  if (match != -1) 

	          {

			  id = string.substring(0,match);

			  return id.toLowerCase();

		  }

			  

		 var match = string.lastIndexOf("query");

		if (match != -1) 

		  {

			  id = string.substring(match+7);

			  return id.toLowerCase();

		  }

	    },

	    /* End of getId function */

	    

	    /* start of listVideos function */

	    listVideos: function(json)

	    {

		  var returnHTML  = '';

		  returnHTML     += '<p>';

		

		if(json.feed.entry)

		{

		     for (var i = 0; i < json.feed.entry.length; i++) 

		     {

		         //alert (i);

			 videoCount =i; 

                         var entry = json.feed.entry[i];

			 for (var k = 0; k < entry.link.length; k++) 

			  {

					

					if (entry.link[k].rel == 'alternate') 

					{

					    url = entry.link[k].href;

					   

					   break;

					}

			   }

		  

		  

		var thumb = entry['media$group']['media$thumbnail'][3].url;

					 

		  

		  if(this.s.cleanReturn == 1)

		  {

			      

			 var videoId  = $.youtube.getVideoId(url);

			

			  if( this.s.inlineVideo == 1 )

			      {

			    

								returnHTML += '<a href="'+ videoId +'" title = "' + entry.title.$t + '"  tag="' +this.s.tag +'"  thumb = "'+ thumb + '" url = "'+ url + '" keyword = "'+ this.s.keyword + '" >';

								returnHTML += '<img src="' + thumb + '" width="75" height="75" id="youtubethumb" alt="' + entry.title.$t + '" >';

								returnHTML += '</a>';

							   

						      }

			      else

			      {

				    //view the video thumbail with video link

				returnHTML += '<a href="javascript:void(0);" onclick="insertVideo(\'' + thumb + '\',\'' + entry.title.$t + '\',\'' +this.s.tag+ '\',\'' + url + '\',\'' + s.keyword + '\');"><img src="' +thumb + '" width="75" height="75" id="youtubethumb" alt="' + entry.title.$t + '" ></a>';	

				    //returnHTML += '<a href="' + url + '"><img src="' + thumb + '" width="75" height="75" id="youtubethumb" alt="' + entry.title.$t + '" ></a>';	

			      }

		  }

		  else

		  {

				returnHTML += entry.content.$t;

		  }

			  

		       }

	  }

	  else

	  {

             videoCount = 0;

             returnHTML += '<blockquote>Sorry, no results from YouTube! Try less words. </blockquote>';

	  }

	  

	  returnHTML +='</p>';

	      

			  ajaxVideoStatus = 'finish'; 		  

			  $('.add-videos').html(returnHTML);

			  $('.add-videos a').lightBox({txtImage:'Video',type:'video'});

			  if (videoTabOn ==1)

                                                                                  {

				      $("#video-paging").show();

			              (videoCount>=11)?$("#video-paging-next").show():''; 

				    } 	

			  

			  

			   

	    },

			/* End of listVideos function */

        /** 

                         * @param url 

                          * @return video id   

                    */	

	getVideoId: function (url)

	{



	   var arrayURL= url.split("=");

	   if (arrayURL)

	    {

		   return arrayURL[1];

		}

	},

	/** 

	 * Play the video in bolockUI  

	 *

	 *@param id videoid

	 */

    playVideo : function (id,videoSource, videoTitle, searchTag, videoURL,inlinePlay)

     {

	    var html  = '';

	    html     += '<div id="youtubecontent" >';

	    if (this.s.blockUI)

	     {

	       //'<img src="' +  rootPath  + 'images/add.png' + '" alt ="add">';		  

          

		  if (inlinePlay == 'true')

		   {

		      html += '<a href="javascript:$.youtube.stopVideo()"  id="close"><img src="' +  rootPath  + 'images/dialog-titlebar-close.png' + '" alt ="add">Close</a>';

		   }else 

		   {

	                  html += '<a href="javscript:void(0);" onclick="javascript:insertVideo(\'' + videoSource+ '\',\'' + videoTitle+ '\', \'' +searchTag +'\',\'' + videoURL+'\' )"  id="add"><img src="' +  rootPath  + 'images/add.png' + '" alt ="add">Use</a>';	   

			 html += '<a href="javscript:void(0);" onclick="javascript:$.youtube.stopVideo()"  id="close"><img  src="' +  rootPath  + 'images/dialog-titlebar-close.png' + '" alt ="add">Close</a>';

		   }

		   

		  

	     }

	   

	   html += '<object>';

	   html += '<param name="movie" value="http://www.youtube.com/v/'+id+'"></param>';

	   html += '<param name="autoplay" value="1">';

	   html += '<param name="wmode" value="transparent"></param>';

	   html += '<embed src="http://www.youtube.com/v/'+id+'&rel=1" type="application/x-shockwave-flash" wmode="transparent" width="410" height="410" ></embed>';

	   html += '</object>';

	   html += '</div>';

	   

	   

	   if (this.s.blockUI)

	   {

	      $.blockUI(html,{ width: '410px', height: '410px' ,top : '15%' });

		//  $('#play').lightBox();

	    }

	},

	  /** 

                *unblock the UI

              */

    stopVideo : function ()

    {

	   

	   if (this.s.blockUI)

	   {

	       $.unblockUI();

	   }

	  // insertVideo(videoSource, videoTitle, searchTag, videoURL); 		

	},	

	            

 	 /* start of abort function */

 	  abort: function(string)

	   {

	     return false;

	   }

     /* End of abort function */

};//end of