/*
JUITTER 1.0.0 - 22/07/2009 - http://juitter.com
BY RODRIGO FANTE - http://rodrigofante.com

** jQuery 1.2.* or higher required

JuitterBK 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 JuitterBK developer shall have no responsability for data loss or damage of any kind by using this script.
*/
(function($) {
	var confBK = {},
		// JUITTER DEFAULT CONFIGURATION ========================
		// YOU CAN CHANGE THE DYNAMIC VARS ON CALLING THE startbk method, see the system.js for more information about it.

		numMSGBK = 20; // set the number of messages to be show
		containerDivBK="twitter_bk", // //Set a place holder DIV which will receive the list of tweets example <div id="juitterContainer"></div>
		loadMSG="Loading messages...", // 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="Read it 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 
		liveBK:"liveBK-20", //optional, disabled by default, the number after "liveBK-" 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
		aURLBK="";msgNbBK=1;
		var mode,param,time,lang,contDivBK,loadMSG,gifName,numMSGBK,readMore,fromIDBK,ultID,filterWords;
		var runningBK=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=";
	$.JuitterBK = {
		registerVarBK: function(opt){
			mode=opt.searchType;
			param=opt.searchObjectBK;
			timerBK=opt.liveBK;
			lang=opt.lang?opt.lang:"";
			contDivBK=opt.placeHolderBK?opt.placeHolderBK:containerDivBK;
			loadMSG=opt.loadMSG?opt.loadMSG:loadMSG;
			gifName=opt.imgName?opt.imgName:imgName;
			numMSGBK=opt.total?opt.total:numMSGBK;
			readMore=opt.readMore?opt.readMore:readMore;
			fromIDBK=opt.nameUser?opt.nameUser:nameUser;
			filterWords=opt.filter;
			openLink=opt.openExternalLinks?"target='_blank'":"";
		},
		startbk: function(opt) {		
			ultID='BK';
			if($("#"+contDivBK)){	
				this.registerVarBK(opt);
				// show the load message
				this.loadingBK();
				// create the URL  to be request at the Twitter API
				aURLBK = this.createURBK();
				// query the twitter API and create the tweets list
				this.conectaTwitterBK(1);		
				// if liveBK mode is enabled, schedule the next twitter API query
				if(timerBK!=undefined&&!runningBK) this.temporizadorbk();
			}   
		},
		updateBK: function(){
			this.conectaTwitterBK(2);		
			if(timerBK!=undefined) this.temporizadorbk();
		},
		loadingBK: function(){
			if(loadMSG=="image/gif"){
				$("<img></img>")
					.attr('src', gifName)
					.appendTo("#"+contDivBK); 
			} else $("#"+contDivBK).html(loadMSG);
		},
		createURBK: 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="+numMSGBK;		
			return url;
		},
		delRegister: function(){
			// remove the oldest entry on the tweets list
			if(msgNbBK>=numMSGBK){
				$(".twittLIBK").each(
					function(o,elemLI){
						if(o>=numMSGBK) $(this).hide("slow");													  
					}
				);
			}	
		},
		conectaTwitterBK: function(e){
			// query the twitter api and create the tweets list
			$.ajax({
				url: aURLBK,
				type: 'GET',
				dataType: 'jsonp',
				timeout: 1000,
				error: function(){ $("#"+contDivBK).html("fail#"); },
				success: function(json){
					if(e==1) $("#"+contDivBK).html("");				
					$.each(json.results,function(i,itemBK) {
						if(e==1 || (i<numMSGBK && itemBK.id>ultID)){
							if(i==0){
								tultIDBK = itemBK.id;
								$("<ul></ul>")
									.attr('id', 'twittList'+ultID)
									.attr('class','twittList')
									.prependTo("#"+contDivBK);  
							}
							if (itemBK.text != "undefined") {
								var linkBK =  "http://twitter.com/"+itemBK.from_user+"/status/"+itemBK.id;  
								
								var tweet = $.JuitterBK.filter(itemBK.text);
								var current_date = new Date(); 
								var tweet_date = new Date(itemBK.created_at); 
								var months = new Array("Styczeń","Luty","Marzec","Kwiecień","Maj","Czerwiec","Lipiec","Sierpień","Wrzesień","Październik","Listopad","Grudzień");
								var days = new Array("niedziela","poniedziałek","wtorek","środa","czwartek","piątek","sobota");
								var tweet_day = tweet_date.getDate();
								var tweet_weekday = tweet_date.getDay();
								var tweet_mon = tweet_date.getMonth();
								var tweet_month = months[tweet_mon];
								var tweet_year = tweet_date.getFullYear();
								var tweet_hours = tweet_date.getHours();
								var tweet_minutes = tweet_date.getMinutes();
								if (tweet_hours < 10) { tweet_hours = "0" + tweet_hours; }
								if (tweet_minutes < 10) { tweet_minutes = "0" + tweet_minutes; }

								if(fromIDBK=="image") tmHTML="<a href='http://www.twitter.com/"+itemBK.from_user+"' class='author'><img src='"+itemBK.profile_image_url+"' alt='"+itemBK.from_user+"' class='juitterAvatar' /></a> "+$.JuitterBK.textFormat(tweet)+" <span class='time'>"+(tweet_date)+"</span>";
								else tmHTML=$.JuitterBK.textFormat(tweet)+" <span class='time'>"+days[tweet_weekday]+", "+tweet_day+" "+tweet_month+", "+tweet_year+", "+tweet_hours+":"+tweet_minutes+"</span>";
								
								$("<li></li>") 
									.html(tmHTML)  
									.attr('id', 'twittLIBK'+msgNbBK)	
									.attr('class', 'twittLIBK')
									.appendTo("#twittList"+ultID);

								$('#twittLIBK'+msgNbBK).hide();
								$('#twittLIBK'+msgNbBK).show("slow");
								
								// remove old entries
								$.JuitterBK.delRegister();
								msgNbBK++;								
							}
						}
					});	
					ultID=tultIDBK;
				}
			});
		},	
		filter: function(s){
			if(filterWords){
				searchWords = filterWords.split(",");				
				if(searchWords.length>0){
					cleanHTML=s;
					$.each(searchWords,function(i,itemBK){	
						sW = itemBK.split("->").length>0 ? itemBK.split("->")[0] : itemBK;
						rW = itemBK.split("->").length>0 ? itemBK.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/#$1' onclick='$.JuitterBK.startbk({searchType:\"searchWord\",searchObjectBK:\"$1\"});return false;' class='hashLink'>#$1</a>"); 
			// make it bold
			if(mode=="searchWord"){
				tempParam = param.replace(/&ors=/,"");
				arrParam = tempParam.split("+");
				$.each(arrParam,function(i,itemBK){					
					regExp=eval('/'+itemBK+'/gi');
					newString = new String(' <b>'+itemBK+'</b> ');
					texto = texto.replace(regExp, newString);					  
				});				
			}
			return texto;
		},
		temporizadorbk: function(){
			// liveBK mode timerBK
			runningBK=true;
			aTimBK = timerBK.split("-");
			if(aTimBK[0]=="liveBK" && aTimBK[1].length>0){
				tempoBK = aTimBK[1]*1000;
				setTimeout("$.JuitterBK.updateBK()",tempoBK);
			}
		}
	};	
})(jQuery);