/*

JUITTER 1.0.0 - 22/07/2009 - http://juitter.com

BY RODRIGO FANTE - http://rodrigofante.com



** jQuery 1.2.* or higher required



Juitter is distributed under the MIT License

Read more about the MIT License --> http://www.opensource.org/licenses/mit-license.php



This script is just a beta test version, download and use it at your own risk.

The Juitter developer shall have no responsability for data loss or damage of any kind by using this script.

*/

(function($) {

	var conf = {},

		// JUITTER DEFAULT CONFIGURATION ========================

		// YOU CAN CHANGE THE DYNAMIC VARS ON CALLING THE start method, see the system.js for more information about it.



		numMSG = 20; // set the number of messages to be show

		containerDiv="juitterContainer", // //Set a place holder DIV which will receive the list of tweets example <div id="juitterContainer"></div>

		loadMSG="Checking tweets...", // Loading message, if you want to show an image, fill it with "image/gif" and go to the next variable to set which image you want to use on 

		imgName="loader.gif", // Loading image, to enable it, go to the loadMSG var above and change it to "image/gif"

		readMore="Follow on Twitter", // read more message to be show after the tweet content

		nameUser="image" // insert "image" to show avatar of "text" to show the name of the user that sent the tweet 

		live:"live-20", //optional, disabled by default, the number after "live-" indicates the time in seconds to wait before request the Twitter API for updates, I do not recommend to use less than 60 seconds.

		// end of configuration

	

		// some global vars

		aURL="";msgNb=1;

		var mode,param,time,lang,contDiv,loadMSG,gifName,numMSG,readMore,fromID,ultID,filterWords;

		var running=false;

		// Twitter API Urls

		apifMultipleUSER = "http://search.twitter.com/search.json?from%3A";

		apifUSER = "http://search.twitter.com/search.json?q=from%3A";

		apitMultipleUSER = "http://search.twitter.com/search.json?to%3A";

		apitUSER = "http://search.twitter.com/search.json?q=to%3A";

		apiSEARCH = "http://search.twitter.com/search.json?q=";

	$.Juitter = {

		registerVar: function(opt){

			mode=opt.searchType;

			param=opt.searchObject;

			timer=opt.live;

			lang=opt.lang?opt.lang:"";

			contDiv=opt.placeHolder?opt.placeHolder:containerDiv;

			loadMSG=opt.loadMSG?opt.loadMSG:loadMSG;

			gifName=opt.imgName?opt.imgName:imgName;

			numMSG=opt.total?opt.total:numMSG;

			readMore=opt.readMore?opt.readMore:readMore;

			fromID=opt.nameUser?opt.nameUser:nameUser;

			filterWords=opt.filter;

			openLink=opt.openExternalLinks?"target='_blank'":"";

		},

		start: function(opt) {		

			ultID=0;

			if($("#"+contDiv)){	

				this.registerVar(opt);

				// show the load message

				this.loading();

				// create the URL  to be request at the Twitter API

				aURL = this.createURL();

				// query the twitter API and create the tweets list

				this.conectaTwitter(1);		

				// if live mode is enabled, schedule the next twitter API query

				if(timer!=undefined&&!running) this.temporizador();

			}   

		},

		update: function(){

			this.conectaTwitter(2);		

			if(timer!=undefined) this.temporizador();

		},

		loading: function(){

			if(loadMSG=="image/gif"){

				$("<img></img>")

					.attr('src', gifName)

					.appendTo("#"+contDiv); 

			} else $("#"+contDiv).html(loadMSG);

		},

		createURL: function(){

			var url = "";

			jlg=lang.length>0?"&lang="+lang:jlg=""; 

			var seachMult = param.search(/,/);

			if(seachMult>0) param = "&ors="+param.replace(/,/g,"+");

			if(mode=="fromUser" && seachMult<=0) url=apifUSER+param;

			else if(mode=="fromUser" && seachMult>=0) url=apifMultipleUSER+param;

			else if(mode=="toUser" && seachMult<=0) url=apitUSER+param;

			else if(mode=="toUser" && seachMult>=0) url=apitMultipleUSER+param;

			else if(mode=="searchWord") url=apiSEARCH+param+jlg;

			url += "&rpp="+numMSG;		

			return url;

		},

		delRegister: function(){

			// remove the oldest entry on the tweets list

			if(msgNb>=numMSG){

				$(".twittLI").each(

					function(o,elemLI){

						if(o>=numMSG) $(this).hide("slow");													  

					}

				);

			}	

		},

		conectaTwitter: function(e){

			// query the twitter api and create the tweets list

			$.ajax({

				url: aURL,

				type: 'GET',

				dataType: 'jsonp',

				timeout: 1000,

				error: function(){ $("#"+contDiv).html("fail#"); },

				success: function(json){

					if(e==1) $("#"+contDiv).html("");				

					$.each(json.results,function(i,item) {

						if(e==1 || (i<numMSG && item.id>ultID)){

							if(i==0){

								tultID = item.id;

								$("<ul></ul>")

									.attr('id', 'twittList'+ultID)

									.attr('class','twittList')

									.prependTo("#"+contDiv);  

							}

							if (item.text != "undefined") {

								var link =  "http://twitter.com/charagh";  

								

								var tweet = $.Juitter.filter(item.text);

								

								if(fromID=="image") mHTML="<div class ='tweet'><a class='tweet' href='http://www.twitter.com/"+item.from_user+"'><img src='"+item.profile_image_url+"' alt='"+item.from_user+"' class='juitterAvatar' /></a> "+$.Juitter.textFormat(tweet)+" -| <span class='time'>"+item.created_at+"</span> |- <a href='" + link + "' class='JRM' "+openLink+">"+readMore+"</a></div>";

								else mHTML="<a href='http://www.twitter.com/"+item.from_user+"'>@"+item.from_user+":</a> "+$.Juitter.textFormat(tweet)+" -| <span class='time'>"+item.created_at+"</span> |-  <a href='" + link + "' "+openLink+">"+readMore+"</a>";

								

								$("<li></li>") 

									.html(mHTML)  

									.attr('id', 'twittLI'+msgNb)

									.attr('class', 'twittLI')

									.appendTo("#twittList"+ultID);



								$('#twittLI'+msgNb).hide();

								$('#twittLI'+msgNb).show("slow");

								

								// remove old entries

								$.Juitter.delRegister();

								msgNb++;								

							}

						}

					});	

					ultID=tultID;

				}

			});

		},	

		filter: function(s){

			if(filterWords){

				searchWords = filterWords.split(",");				

				if(searchWords.length>0){

					cleanHTML=s;

					$.each(searchWords,function(i,item){	

						sW = item.split("->").length>0 ? item.split("->")[0] : item;

						rW = item.split("->").length>0 ? item.split("->")[1] : "";					

						regExp=eval('/'+sW+'/gi');					

						cleanHTML = cleanHTML.replace(regExp, rW);							

					});

				} else cleanHTML = s;			

				return cleanHTML;

			} else return s;

		},

		textFormat: function(texto){

			//make links

			var exp = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;

			texto = texto.replace(exp,"<a href='$1' class='extLink' "+openLink+">$1</a>"); 

			var exp = /[\@]+([A-Za-z0-9-_]+)/ig;

			texto = texto.replace(exp,"<a href='http://twitter.com/$1' class='profileLink'>@$1</a>"); 

			var exp = /[\#]+([A-Za-z0-9-_]+)/ig;

			texto = texto.replace(exp,"<a href='http://juitter.com/#$1' onclick='$.Juitter.start({searchType:\"searchWord\",searchObject:\"$1\"});return false;' class='hashLink'>#$1</a>"); 

			// make it bold

			if(mode=="searchWord"){

				tempParam = param.replace(/&ors=/,"");

				arrParam = tempParam.split("+");

				$.each(arrParam,function(i,item){					

					regExp=eval('/'+item+'/gi');

					newString = new String(' <b>'+item+'</b> ');

					texto = texto.replace(regExp, newString);					  

				});				

			}

			return texto;

		},

		temporizador: function(){

			// live mode timer

			running=true;

			aTim = timer.split("-");

			if(aTim[0]=="live" && aTim[1].length>0){

				tempo = aTim[1]*1000;

				setTimeout("$.Juitter.update()",tempo);

			}

		}

	};	

})(jQuery);