/*
 * jQuery LiveTwitter 1.3.1
 * - Live updating Twitter plugin for jQuery
 *
 * Copyright (c) 2009 Inge Jørgensen (elektronaut.no)
 * Licensed under the MIT license (MIT-LICENSE.txt)
 *
 * $Date: 2009/06/10 $
 * Modified by: andar harsono (modify element to match website style)
 */

/*
 * Usage example:
 * $("#twitterSearch").liveTwitter('bacon', {limit: 10, rate: 15000});


(function($){
	if(!$.fn.reverse){
		$.fn.reverse = function() {
			return this.pushStack(this.get().reverse(), arguments);
		};
	}
	$.fn.liveTwitter = function(query, options){
		$(this).each(function(){
			var settings = {};
			if(this.twitter){
				settings = jQuery.extend(this.twitter.settings, options);
				this.twitter.settings = settings;
				if(query) {
					this.twitter.query = query;
				}
				this.twitter.limit    = settings.limit;
				this.twitter.mode     = settings.mode;
				if(this.twitter.interval){
					this.twitter.refresh();
				}
			} else {
				settings = jQuery.extend({
					mode:      'search', // Mode, valid options are: 'search', 'user_timeline'
					rate:      15000,    // Refresh rate in ms
					limit:     10,       // Limit number of results
					refresh:   true
				}, options);
				window.twitter_callback = function(){return true;};
				this.twitter = {
					settings:      settings,
					query:         query,
					limit:         settings.limit,
					mode:          settings.mode,
					interval:      false,
					container:     this,
					lastTimeStamp: 0,
					relativeTime: function(timeString){
						var parsedDate = Date.parse(timeString);
						var delta = (Date.parse(Date()) - parsedDate) / 1000;
						var r = '';
						if (delta < 60) {
							r = delta + ' seconds ago';
						} else if(delta < 120) {
							r = 'a minute ago';
						} else if(delta < (45*60)) {
							r = (parseInt(delta / 60, 10)).toString() + ' minutes ago';
						} else if(delta < (90*60)) {
							r = 'an hour ago';
						} else if(delta < (24*60*60)) {
							r = '' + (parseInt(delta / 3600, 10)).toString() + ' hours ago';
						} else if(delta < (48*60*60)) {
							r = 'a day ago';
						} else {
							r = (parseInt(delta / 86400, 10)).toString() + ' days ago';
						}
						return r;
					},
					refreshTime: function() {
						var twitter = this;
						$(twitter.container).find('span.time').each(function(){
							$(this).html(twitter.relativeTime(this.timeStamp));
						});
					},
					refresh:  function(initialize){
						var twitter = this;
						if(this.settings.refresh || initialize) {
							var encodedQuery = encodeURIComponent(this.query);
							var url = '';
							if(twitter.mode == 'search'){
								url = "http://search.twitter.com/search.json?q="+encodedQuery+"&callback=?";
							} else if(twitter.mode == 'user_timeline') {
								url = "http://twitter.com/statuses/user_timeline/"+encodedQuery+".json?count=5&callback=?";
							}
							$.getJSON(url, function(json) {
								var results = null;
								if(twitter.mode == 'search'){
									results = json.results;
								} else {
									results = json;
								}
								$(results).reverse().each(function(){
									var linkified_text = this.text.replace(/[A-Za-z]+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&\?\/.=]+/, function(m) { return m.link(m); });
									linkified_text = linkified_text.replace(/@[A-Za-z0-9_]+/, function(u){return u.link('http://twitter.com/'+u.replace(/^@/,''));});
									if(Date.parse(this.created_at) > twitter.lastTimeStamp) {
										var tweetHTML = '<div class="tweet tweet-'+this.id+'">';
										if(twitter.mode == 'search') {
											tweetHTML += 
												'' +
												'<p class="text"><span class="username"><a target="_blank" href="http://twitter.com/'+this.from_user+'">'+this.from_user+'</a>:</span> ';
										} else {
											tweetHTML += 
												'<p class="text"> ';
										}
										tweetHTML += 
											linkified_text +
											' <a class="time" href="http://twitter.com/'+this.from_user+'/status/'+this.id+'" target="_blank">about '+twitter.relativeTime(this.created_at)+'</a>' +
											'</p>' +
											'</div>';
										$(twitter.container).prepend(tweetHTML);
										var timeStamp = this.created_at;
										$(twitter.container).find('a.time:first').each(function(){
											this.timeStamp = 'about ' + timeStamp;
										});
										if(!initialize) {
											$(twitter.container).find('.tweet-'+this.id).hide().fadeIn("slow");
										}
										twitter.lastTimeStamp = Date.parse(this.created_at);
									}
								});
								// Limit number of entries
								$(twitter.container).find('div.tweet:gt('+(twitter.limit-1)+')').remove();
							});
						}	
					},
					start: function(){
						var twitter = this;
						if(!this.interval){
							this.interval = setInterval(function(){twitter.refresh();}, twitter.settings.rate);
							this.refresh(true);
						}
					},
					stop: function(){
						if(this.interval){
							clearInterval(this.interval);
							this.interval = false;
						}
					}
				};
				var twitter = this.twitter;
				this.timeInterval = setInterval(function(){twitter.refreshTime();}, 5000);
				this.twitter.start();
			}
		});
		return this;
	};
})(jQuery);
 */
(function ($) {
if (!$.fn.reverse) {
$.fn.reverse = function () {
return this.pushStack(this.get().reverse(), arguments);
};
}
$.fn.liveTwitter = function (query, options, callback) {
var domNode = this;
$(this).each(function () {
var settings = {};

// Handle changing of options
if (this.twitter) {
settings = $.extend(this.twitter.settings, options);
this.twitter.settings = settings;
if (query) {
this.twitter.query = query;
}
this.twitter.limit = settings.limit;
this.twitter.mode = settings.mode;
if (this.twitter.interval) {
this.twitter.refresh();
}
if (callback) {
this.twitter.callback = callback;
}

// ..or create a new twitter object
} else {
// Extend settings with the defaults
settings = $.extend({
mode: 'search', // Mode, valid options are: 'search', 'user_timeline'
rate: 15000, // Refresh rate in ms
limit: 10, // Limit number of results
refresh: true,
timeLinks: true,
service: ''
}, options);

// Default setting for showAuthor if not provided
if (typeof settings.showAuthor === "undefined") {
settings.showAuthor = (settings.mode === 'user_timeline') ? false : true;
}

// Set up a dummy function for the Twitter API callback
if (!window.twitter_callback) {
window.twitter_callback = function () {
return true;
};
}

this.twitter = {
settings: settings,
query: query,
limit: settings.limit,
mode: settings.mode,
interval: false,
container: this,
lastTimeStamp: 0,
callback: callback,

// Convert the time stamp to a more human readable format
relativeTime: function (timeString) {
var parsedDate = Date.parse(timeString);
var delta = (Date.parse(Date()) - parsedDate) / 1000;
var r = '';
if (delta < 60) {
r = delta + ' seconds ago';
} else if (delta < 120) {
r = 'a minute ago';
} else if (delta < (45 * 60)) {
r = (parseInt(delta / 60, 10)).toString() + ' minutes ago';
} else if (delta < (90 * 60)) {
r = 'an hour ago';
} else if (delta < (24 * 60 * 60)) {
r = '' + (parseInt(delta / 3600, 10)).toString() + ' hours ago';
} else if (delta < (48 * 60 * 60)) {
r = 'a day ago';
} else {
r = (parseInt(delta / 86400, 10)).toString() + ' days ago';
}
return r;
},

// Update the timestamps in realtime
refreshTime: function () {
var twitter = this;
$(twitter.container).find('span.time').each(function () {
var time_element = twitter.settings.timeLinks ? $(this).find('a') : $(this);
time_element.html(twitter.relativeTime(this.timeStamp));
});
},

// Handle reloading
refresh: function (initialize) {
var twitter = this;
if (this.settings.refresh || initialize) {
var url = '';
var params = {};
if (twitter.mode === 'search') {
if (this.query && this.query !== '') {
params.q = this.query;
}
if (this.settings.geocode) {
params.geocode = this.settings.geocode;
}
if (this.settings.lang) {
params.lang = this.settings.lang;
}
if (this.settings.rpp) {
params.rpp = this.settings.rpp;
} else {
params.rpp = this.settings.limit;
}

// Convert params to string
var paramsString = [];
for (var param in params) {
if (params.hasOwnProperty(param)) {
paramsString[paramsString.length] = param + '=' + encodeURIComponent(params[param]);
}
}
paramsString = paramsString.join("&");
if (settings.service.length > 0) {
url = "http://" + settings.service + "/api/search.json?";
} else {
url = "http://search.twitter.com/search.json?";
}
url += paramsString + "&callback=?";
} else if (twitter.mode === 'user_timeline') {
if (settings.service.length > 0) {
url = "http://" + settings.service + "/api/statuses/user_timeline/" + encodeURIComponent(this.query) + ".json?count=" + twitter.limit + "&callback=?";
} else {
url = "http://api.twitter.com/1/statuses/user_timeline/" + encodeURIComponent(this.query) + ".json?count=" + twitter.limit + "&callback=?";
}
} else if (twitter.mode === 'list') {
var username = encodeURIComponent(this.query.user);
var listname = encodeURIComponent(this.query.list);
url = "http://api.twitter.com/1/" + username + "/lists/" + listname + "/statuses.json?per_page=" + twitter.limit + "&callback=?";
}
$.getJSON(url, function (json) {
var results = null;
if (twitter.mode === 'search') {
results = json.results;
} else {
results = json;
}
var newTweets = 0;
$(results).reverse().each(function () {
var screen_name = '';
var profile_image_url = '';
var created_at_date = '';
var tweet_url = '';
if (twitter.mode === 'search') {
screen_name = this.from_user;
profile_image_url = this.profile_image_url;
created_at_date = this.created_at;
} else {
screen_name = this.user.screen_name;
profile_image_url = this.user.profile_image_url;
// Fix for IE
created_at_date = this.created_at.replace(/^(\w+)\s(\w+)\s(\d+)(.*)(\s\d+)$/, "$1, $3 $2$5$4");
}
if (settings.service.length > 0) {
tweet_url = 'http://' + settings.service + '/notice/' + this.id;
} else {
tweet_url = 'http://twitter.com/' + screen_name + '/statuses/' + this.id;
}
var userInfo = this.user;
var linkified_text = this.text.replace(/[A-Za-z]+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&\?\/.=]+/, function (m) {
return m.link(m);
});
if (settings.service.length > 0) {
linkified_text = linkified_text.replace(/@[A-Za-z0-9_]+/g, function (u) {
return u.link('http://' + settings.service + '/' + u.replace(/^@/, ''));
});
} else {
linkified_text = linkified_text.replace(/@[A-Za-z0-9_]+/g, function (u) {
return u.link('http://twitter.com/' + u.replace(/^@/, ''));
});
}
if (settings.service.length > 0) {
linkified_text = linkified_text.replace(/#[A-Za-z0-9_\-]+/g, function (u) {
return u.link('http://http://' + settings.service + '/search/notice?q=' + u.replace(/^#/, '%23'));
});
} else {
linkified_text = linkified_text.replace(/#[A-Za-z0-9_\-]+/g, function (u) {
return u.link('http://search.twitter.com/search?q=' + u.replace(/^#/, '%23'));
});
}

if (!twitter.settings.filter || twitter.settings.filter(this)) {
if (Date.parse(created_at_date) > twitter.lastTimeStamp) {
newTweets += 1;
var tweetHTML = '<div class="tweet tweet-' + this.id + '">';
if (twitter.settings.showAuthor) {
var profile_url = '';
if (settings.service.length > 0) {
profile_url = 'http://' + settings.service + '/' + screen_name;
} else {
profile_url = 'http://twitter.com/' + screen_name;
}
tweetHTML +=
'<img width="24" height="24" src="' + profile_image_url + '" />' +
'<p class="text"><span class="username"><a href="' + profile_url + '">' + screen_name + '</a>:</span> ';
} else {
tweetHTML +=
'<p class="text"> ';
}

var timeText = twitter.relativeTime(created_at_date);
var timeHTML = twitter.settings.timeLinks ? '<a href="' + tweet_url + '">' + timeText + '</a>' : timeText;

tweetHTML +=
linkified_text +
' <span class="time">' + timeHTML + '</span>' +
'</p>' +
'</div>';
$(twitter.container).prepend(tweetHTML);
var timeStamp = created_at_date;
$(twitter.container).find('span.time:first').each(function () {
this.timeStamp = timeStamp;
});
if (!initialize) {
$(twitter.container).find('.tweet-' + this.id).hide().fadeIn();
}
twitter.lastTimeStamp = Date.parse(created_at_date);
}
}
});
if (newTweets > 0) {
// Limit number of entries
$(twitter.container).find('div.tweet:gt(' + (twitter.limit - 1) + ')').remove();
// Run callback
if (twitter.callback) {
twitter.callback(domNode, newTweets);
}
// Trigger event
$(domNode).trigger('tweets');
}
});
}
},
start: function () {
var twitter = this;
if (!this.interval) {
this.interval = setInterval(function () {
twitter.refresh();
}, twitter.settings.rate);
this.refresh(true);
}
},
stop: function () {
if (this.interval) {
clearInterval(this.interval);
this.interval = false;
}
},
clear: function () {
$(this.container).find('div.tweet').remove();
this.lastTimeStamp = null;
}
};
var twitter = this.twitter;
this.timeInterval = setInterval(function () {
twitter.refreshTime();
}, 5000);
this.twitter.start();
}
});
return this;
};
})(jQuery);