//
 // The Octopress Twitter Feed is based on the following work:
 // Valerio's javascript framework Mootools: Mootools.net
 // David Walsh's Twitter Gitter plugin: http://davidwalsh.name/mootools-twitter-plugin
 // Aaron Newton’s JSONP plugin: http://clientcide.com/js

 // PrettyDate by John Resig at http://ejohn.org/files/pretty.js

 //
 

 /*
 	Plugin:   	Octopress Twitter Feed
 	Author:   	Brandon Mathis
 	Website:    http://brandonmathis.com
 	Date:     	11/07/2009
 */
 
 var tweet_container = 'li';
 var twitter_container = 'twitter_status';

 var key = '-!-!-';

 var show_source = false;

 
 window.addEvent('domready',function() {

 	getTwitterStatus(twitter_user);

 });
 
 function showTweets(the_tweets, from_cookie){
   if(from_cookie){

     the_tweets = the_tweets.split('^!^!^');

   }

   $(twitter_container).set('html', '');

   the_tweets.each(function(tweet){

     tweet = parseTweetMeta(tweet)

     tweet = '<p>' + tweet.replace(/\n\n/gi,'</p><p>') + '</p>';
     new Element(tweet_container,{
   		html: tweet
   	}).inject(twitter_container);

   });
 }
 

 function parseTweetMeta(tweet_data){
   var tweet_data = tweet_data.split(key);
   var tweet = tweet_data[0];
   var date = tweet_data[1];
   var tweet_id = tweet_data[2];
   var source = tweet_data[3];
   
   date = prettyDate(new Date().parse(date));

   return tweet + '<span class="meta"><a href="http://twitter.com/'+twitter_user+'/'+tweet_id+'">' + date + '</a>' + (show_source ? ' from '+source : '') + '</span>';

 }
 
 function prettyDate(time){
 	var date = time;
 	var diff = (((new Date()).getTime() - date.getTime()) / 1000)
 	var day_diff = Math.floor(diff / 86400);
 			
 	if ( isNaN(day_diff) || day_diff < 0 || day_diff >= 31 )
 		return;
 			
 	return day_diff == 0 && (
 			diff < 60 && "just now" ||
 			diff < 120 && "1 minute ago" ||
 			diff < 3600 && Math.floor( diff / 60 ) + " minutes ago" ||
 			diff < 7200 && "1 hour ago" ||
 			diff < 86400 && Math.floor( diff / 3600 ) + " hours ago") ||
 		day_diff == 1 && "1 day ago" ||
 		day_diff < 7 && day_diff + " days ago" ||
 		day_diff < 31 && Math.ceil( day_diff / 7 ) + " weeks ago";
 }
 
 function getTwitterStatus(twitter_name){

   var tweet_cookie = 'tweets_by_' + twitter_name + tweet_count;

   $(twitter_container).set('html', 'Fetching tweets...');

   if(!Cookie.read(tweet_cookie)) {

   	var myTwitterGitter = new TwitterGitter(twitter_name,{

   	  count: ((show_replies) ? tweet_count : 15 + tweet_count),

   		onComplete: function(tweets,user) {
         the_tweets = Array();
   			tweets.each(function(tweet,i) {

   			  if((tweet.in_reply_to_status_id && show_replies) || !tweet.in_reply_to_status_id){

   			    if(the_tweets.length == tweet_count) return;

     			  the_tweets.push(tweet.text + key + tweet.created_at + key + tweet.id + key + tweet.source);

   				}
   			});

   			Cookie.write(tweet_cookie,the_tweets.join('^!^!^'), { duration: 1 });

   			showTweets(the_tweets);
   		}
   	}).retrieve();
 	} else {

 	  showTweets(Cookie.read(tweet_cookie),true);

 	}

 }
 
 /*
 	Plugin:   	TwitterGitter
 	Author:   	David Walsh
 	Website:    http://davidwalsh.name
 	Date:     	2/21/2009
 */
 
 var TwitterGitter = new Class({
 
 	//implements
 	Implements: [Options,Events],
 
 	//options
 	options: {
 		count: 2,
 		sinceID: 1,
 		link: true,
 		onRequest: $empty,
 		onComplete: $empty
 	},
 	
 	//initialization
 	initialize: function(username,options) {
 		//set options
 		this.setOptions(options);
 		this.info = {};
 		this.username = username;
 	},
 	
 	//get it!
 	retrieve: function() {
 		new JsonP('http://twitter.com/statuses/user_timeline/' + this.username + '.json',{
 			data: {
 				count: this.options.count,
 				since_id: this.options.sinceID
 			},
 			onRequest: this.fireEvent('request'),
 			onComplete: function(data) {
 				//linkify?
 				if(this.options.link) {
 					data.each(function(tweet) { tweet.text = this.linkify(tweet.text); },this);
 				}
 				//complete!
 				this.fireEvent('complete',[data,data[0].user]);
 			}.bind(this)
 		}).request();
 		return this;
 	},
 	
 	//format
 	linkify: function(text) {
 		//courtesy of Jeremy Parrish (rrish.org)

 		return text.replace(/(https?:\/\/[\w\-:;?&=+.%#\/]+)/gi,'<a href="$1">$1</a>').replace(/(^|\s)@(\w+)/g,'$1<a class="user" href="http://twitter.com/$2">@$2</a>').replace(/(^|\s)#(\w+)/g,'$1<a class="topic" href="http://search.twitter.com/search?q=%23$2">#$2</a>');

 	}
 });
 //Compact Jsonp from http://clientcide.com/js
 MooTools.More={'version':'1.2.3.1'};var Log=new Class({log:function(){Log.logger.call(this,arguments)}});Log.logged=[];Log.logger=function(){if(window.console&&console.log)console.log.apply(console,arguments);else Log.logged.push(arguments)};Class.refactor=function(original,refactors){$each(refactors,function(item,name){var origin=original.prototype[name];if(origin&&(origin=origin._origin)&&typeof item=='function')original.implement(name,function(){var old=this.previous;this.previous=origin;var value=item.apply(this,arguments);this.previous=old;return value});else original.implement(name,item)});return original};Request.JSONP=new Class({Implements:[Chain,Events,Options,Log],options:{url:'',data:{},retries:0,timeout:0,link:'ignore',callbackKey:'callback',injectScript:document.head},initialize:function(options){this.setOptions(options);this.running=false;this.requests=0;this.triesRemaining=[]},check:function(){if(!this.running)return true;switch(this.options.link){case'cancel':this.cancel();return true;case'chain':this.chain(this.caller.bind(this,arguments));return false}return false},send:function(options){if(!$chk(arguments[1])&&!this.check(options))return this;var type=$type(options),old=this.options,index=$chk(arguments[1])?arguments[1]:this.requests++;if(type=='string'||type=='element')options={data:options};options=$extend({data:old.data,url:old.url},options);if(!$chk(this.triesRemaining[index]))this.triesRemaining[index]=this.options.retries;var remaining=this.triesRemaining[index];(function(){var script=this.getScript(options);this.log('JSONP retrieving script with url: '+script.get('src'));this.fireEvent('request',script);this.running=true;(function(){if(remaining){this.triesRemaining[index]=remaining-1;if(script){script.destroy();this.send(options,index);this.fireEvent('retry',this.triesRemaining[index])}}else if(script&&this.options.timeout){script.destroy();this.cancel();this.fireEvent('failure')}}).delay(this.options.timeout,this)}).delay(Browser.Engine.trident?50:0,this);return this},cancel:function(){if(!this.running)return this;this.running=false;this.fireEvent('cancel');return this},getScript:function(options){var index=Request.JSONP.counter,data;Request.JSONP.counter++;switch($type(options.data)){case'element':data=document.id(options.data).toQueryString();break;case'object':case'hash':data=Hash.toQueryString(options.data)}var src=options.url+(options.url.test('\\?')?'&':'?')+(options.callbackKey||this.options.callbackKey)+'=Request.JSONP.request_map.request_'+index+(data?'&'+data:'');if(src.length>2083)this.log('JSONP '+src+' will fail in Internet Explorer, which enforces a 2083 bytes length limit on URIs');var script=new Element('script',{type:'text/javascript',src:src});Request.JSONP.request_map['request_'+index]=function(data){this.success(data,script)}.bind(this);return script.inject(this.options.injectScript)},success:function(data,script){if(script)script.destroy();this.running=false;this.log('JSONP successfully retrieved: ',data);this.fireEvent('complete',[data]).fireEvent('success',[data]).callChain()}});Request.JSONP.counter=0;Request.JSONP.request_map={};var JsonP=Class.refactor(Request.JSONP,{initialize:function(){var params=Array.link(arguments,{url:String.type,options:Object.type});options=(params.options||{});options.url=options.url||params.url;if(options.callBackKey)options.callbackKey=options.callBackKey;this.previous(options)},getScript:function(options){var queryString=options.queryString||this.options.queryString;if(options.url&&queryString)options.url+=(options.url.indexOf("?")>=0?"&":"?")+queryString;var script=this.previous(options);if($chk(options.globalFunction)){window[options.globalFunction]=function(r){JsonP.requestors[index].handleResults(r)}}return script},request:function(url){this.send({url:url||this.options.url})}});