(function($) {

$.fn.tweet = function(o){
	var s = {
		username: ["seaofclouds"],              // [string]   required, unless you want to display our tweets. :) it can be an array, just do ["username1","username2","etc"]
		list: null,                              //[string]   optional name of list belonging to username
		avatar_size: null,                      // [integer]  height and width of avatar if displayed (48px max)
		count: 3,                               // [integer]  how many tweets to display?
		intro_text: null,                       // [string]   do you want text BEFORE your your tweets?
		outro_text: null,                       // [string]   do you want text AFTER your tweets?
		join_text:  null,                       // [string]   optional text in between date and tweet, try setting to "auto"
		auto_join_text_default: "i said,",      // [string]   auto text for non verb: "i said" bullocks
		auto_join_text_ed: "i",                 // [string]   auto text for past tense: "i" surfed
		auto_join_text_ing: "i am",             // [string]   auto tense for present tense: "i was" surfing
		auto_join_text_reply: "i replied to",   // [string]   auto tense for replies: "i replied to" @someone "with"
		auto_join_text_url: "i was looking at", // [string]   auto tense for urls: "i was looking at" http:...
		loading_text: null,                     // [string]   optional loading text, displayed while tweets load
		query: null                             // [string]   optional search query
	};

	if(o) $.extend(s, o);

	$.fn.extend({
		linkUrl: function() {
			var returning = [];
			var regexp = /((ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?)/gi;
			this.each(function() {
				returning.push(this.replace(regexp,"<a href=\"$1\">$1</a>"));
			});
			return $(returning);
		},
		linkUser: function() {
			var returning = [];
			var regexp = /[\@]+([A-Za-z0-9-_]+)/gi;
			this.each(function() {
				returning.push(this.replace(regexp,"<a href=\"http://twitter.com/$1\">@$1</a>"));
			});
			return $(returning);
		},
		linkHash: function() {
			var returning = [];
			var regexp = / [\#]+([A-Za-z0-9-_]+)/gi;
			this.each(function() {
				returning.push(this.replace(regexp, ' <a href="http://search.twitter.com/search?q=&tag=$1&lang=all&from='+s.username.join("%2BOR%2B")+'">#$1</a>'));
			});
			return $(returning);
		},
		capAwesome: function() {
			var returning = [];
			this.each(function() {
				returning.push(this.replace(/\b(awesome)\b/gi, '<span class="awesome">$1</span>'));
			});
			return $(returning);
		},
		capEpic: function() {
			var returning = [];
			this.each(function() {
				returning.push(this.replace(/\b(epic)\b/gi, '<span class="epic">$1</span>'));
			});
			return $(returning);
		},
		makeHeart: function() {
				var returning = [];
				this.each(function() {
					returning.push(this.replace(/(&lt;)+[3]/gi, "<tt class='heart'>&#x2665;</tt>"));
				});
				return $(returning);
			}
		});

		function parse_date(date_str) {
			// The non-search twitter APIs return inconsistently-formatted dates, which Date.parse
			// cannot handle in IE. We therefore perform the following transformation:
			// "Wed Apr 29 08:53:31 +0000 2009" => "Wed, Apr 29 2009 08:53:31 +0000"
			return Date.parse(date_str.replace(/^([a-z]{3})( [a-z]{3} \d\d?)(.*)( \d{4})$/i, '$1,$2$4$3'));
		}

		function relative_time(time_value) {
			var parsed_date = parse_date(time_value);
			var relative_to = (arguments.length > 1) ? arguments[1] : new Date();
			var delta = parseInt((relative_to.getTime() - parsed_date) / 1000);
			var pluralize = function (singular, n) {
				return '' + n + ' ' + singular + (n == 1 ? '' : 's');
			};
			if(delta < 60) {
				return 'less than a minute ago';
			}
			else if (delta < (60*60)) {
				return 'about ' + pluralize("minute", parseInt(delta / 60)) + ' ago';
			}
			else if (delta < (24*60*60)) {
				return 'about ' + pluralize("hour", parseInt(delta / 3600)) + ' ago';
			}
			else {
				return 'about ' + pluralize("day", parseInt(delta / 86400)) + ' ago';
			}
		}

		function build_url() {
			var proto = ('https:' == document.location.protocol ? 'https:' : 'http:');
			if (s.list) {
				return proto+"//api.twitter.com/1/"+s.username[0]+"/lists/"+s.list+"/statuses.json?per_page="+s.count+"&callback=?";
			}
			else if (s.query == null && s.username.length == 1) {
				return proto+'//api.twitter.com/1/statuses/user_timeline.json?screen_name='+s.username[0]+'&count='+s.count+'&callback=?';
			}
			else {
				var query = (s.query || 'from:'+s.username.join(' OR from:'));
				return proto+'//search.twitter.com/search.json?&q='+escape(query)+'&rpp='+s.count+'&callback=?';
			}
		}

		return this.each(function(i, widget){
		var list = $('<ul class="tweet_list">').appendTo(widget);
		var intro = '<p class="tweet_intro">'+s.intro_text+'</p>';
		var outro = '<p class="tweet_outro">'+s.outro_text+'</p>';
		var loading = $('<p class="loading">'+s.loading_text+'</p>');

		if(typeof(s.username) == "string"){
			s.username = [s.username];
		}

		if (s.loading_text) $(widget).append(loading);
		$.getJSON(build_url(), function(data){
			if (s.loading_text) loading.remove();
			if (s.intro_text) list.before(intro);
			var tweets = (data.results || data);
			$.each(tweets, function(i,item){
				// auto join text based on verb tense and content
				if (s.join_text == "auto") {
					if (item.text.match(/^(@([A-Za-z0-9-_]+)) .*/i)) {
						var join_text = s.auto_join_text_reply;
					}
					else if (item.text.match(/(^\w+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&\?\/.=]+) .*/i)) {
						var join_text = s.auto_join_text_url;
					} else if (item.text.match(/^((\w+ed)|just) .*/im)) {
						var join_text = s.auto_join_text_ed;
					} else if (item.text.match(/^(\w*ing) .*/i)) {
						var join_text = s.auto_join_text_ing;
					} else {
						var join_text = s.auto_join_text_default;
					}
				}
				else {
					var join_text = s.join_text;
				};

				var from_user = item.from_user || item.user.screen_name;
				var profile_image_url = item.profile_image_url || item.user.profile_image_url;
				var join_template = '<span class="tweet_join"> '+join_text+' </span>';
				var join = ((s.join_text) ? join_template : ' ');
				var avatar_template = '<a class="tweet_avatar" href="http://twitter.com/'+from_user+'"><img src="'+profile_image_url+'" height="'+s.avatar_size+'" width="'+s.avatar_size+'" alt="'+from_user+'\'s avatar" title="'+from_user+'\'s avatar" border="0"/></a>';
				var avatar = (s.avatar_size ? avatar_template : '');
				var date = '<span class="tweet_time"><a href="http://twitter.com/'+from_user+'/statuses/'+item.id+'" title="view tweet on twitter">'+relative_time(item.created_at)+'</a></span>';
				var text = '<span class="tweet_text">' +$([item.text]).linkUrl().linkUser().linkHash().makeHeart().capAwesome().capEpic()[0]+ '</span>';

				// until we create a template option, arrange the items below to alter a tweet's display.
				list.append('<li>' + avatar + join + text + '<br /><div>Posted: ' + date + '</div></li>');

				list.children('li:first').addClass('tweet_first');
				list.children('li:odd').addClass('tweet_even');
				list.children('li:even').addClass('tweet_odd');
			});
			if (s.outro_text) list.after(outro);
			$(widget).trigger("loaded").trigger((tweets.length == 0 ? "empty" : "full"));
		});

	});
};
})(jQuery);