(function($) {

	$.fn.tweet = function(o){
		var s = {
			username: ["ocenbreda"],              // [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 relative_time(time_value) {
			var parsed_date = Date.parse(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('%20OR%20from:'));
				return proto+'//search.twitter.com/search.json?&q='+query+'&rpp='+s.count+'&callback=?';
			}
		}

		return this.each(function(){
			var list = $('<ul class="tweet_list">').appendTo(this);
			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) $(this).append(loading);
			$.getJSON(build_url(), function(data){
				if (s.loading_text) loading.remove();
				if (s.intro_text) list.before(intro);
				$.each((data.results || data), 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 : '');

					if (s.date_format != null) {
						var date = '<a href="http://twitter.com/'+from_user+'/statuses/'+item.id+'" title="view tweet on twitter">'+relative_time(item.created_at)+'</a>';
						var text = '<span class="tweet_text">' +$([item.text]).linkUrl().linkUser().linkHash().makeHeart().capAwesome().capEpic()[0]+ '</span>';
					} else {
						var date = '';
						var text = '<span class="tweet_text">' +$([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 + date + join + text + '</li>');

					list.find('li .tweet_text a').attr('target', '_blank');

					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);
			});

		});
	};
})(jQuery);
