(function($) {
	var nAvatar = 0;

	$.fn.tweet = function(o) {
		var s = {
			username: ["experiencewa"], 			// [string]   required, unless you want to display our tweets. :) it can be an array, just do ["username1","username2","etc"]
			avatar_size: 48, 					// [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: "auto", 					// [string]   optional text in between date and tweet, try setting to "auto"
			auto_join_text_default: "", 			// [string]   auto text for non verb: "i said" bullocks
			auto_join_text_ed: "", 				// [string]   auto text for past tense: "i" surfed
			auto_join_text_ing: "", 				// [string]   auto tense for present tense: "i was" surfing
			auto_join_text_reply: "", 			// [string]   auto tense for replies: "i replied to" @someone "with"
			auto_join_text_url: "", 				// [string]   auto tense for urls: "i was looking at" http:...
			loading_text: "Loading Tweets...", 	// [string]   optional loading text, displayed while tweets load
			query: null								// [string]   optional search query
		};

		$.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 target=\"_blank\"  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 target=\"_blank\"  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 target=\"_blank\"  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(/(a|A)wesome/gi, 'AWESOME'))
				});
				return $(returning);
			},
			capEpic: function() {
				var returning = [];
				this.each(function() {
					returning.push(this.replace(/(e|E)pic/gi, 'EPIC'))
				});
				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);
			if (delta < 60) {
				return 'less than a minute ago';
			} else if (delta < 120) {
				return 'about a minute ago';
			} else if (delta < (45 * 60)) {
				return (parseInt(delta / 60)).toString() + ' minutes ago';
			} else if (delta < (90 * 60)) {
				return 'about an hour ago';
			} else if (delta < (24 * 60 * 60)) {
				return 'about ' + (parseInt(delta / 3600)).toString() + ' hours ago';
			} else if (delta < (48 * 60 * 60)) {
				return '1 day ago';
			} else {
				return (parseInt(delta / 86400)).toString() + ' days ago';
			}
		}

		if (o) $.extend(s, o);
		return this.each(function() {
			var self = $(this);
			var listString = '<ul class="tweet_list">';
			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];
			}
			var query = (s.query) ? '&q=' + s.query : '&q=';
			query += 'from%3A' + s.username.join('%20OR%20from%3A');
			var url = 'http://search.twitter.com/search.json?' + query + '&rpp=' + s.count + '&callback=?';
			if (s.loading_text) self.append(loading);
			
            jQuery("#containerTwitter").css("display", "none");

			$.getJSON(url, function(data) {
				if (s.loading_text) loading.remove();
				if (s.intro_text) list.before(intro);
				$.each(data.results, function(i, item) {
					nAvatar++;
					// 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 join_template = '<span class="tweet_join">' + join_text + '</span>';
					var join = ((s.join_text) ? join_template : '')
					var avatar_template = '<a target="_blank"  class="tweet_avatar" href="http://twitter.com/' + item.from_user + '"><img src="' + item.profile_image_url + '" height="' + s.avatar_size + '" width="' + s.avatar_size + '" alt="' + item.from_user + '\'s avatar" border="0"/></a>';
					var avatar = (s.avatar_size ? avatar_template : '')
					var date = '<a target="_blank" href="http://twitter.com/' + item.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()[0] + '</span>';

					// until we create a template option, arrange the items below to alter a tweet's display.
					// avatar +

					listString += '<li class="cf"><div id="tweet_avatar_' + nAvatar + '" style="padding-top:4px; float: left;">' + avatar + '</div>'
                                + '<div style="width: 185px; float: left;">' + text
                                + '<br>' + date + '</div></li>';

					var sTweetText = " " + $([item.text])[0];
					if (sTweetText.indexOf("RT @", 0) > 0) {
						// If this is a retweet, then show the avatar of the user you are retweeting
						getAvatarFromUserId(sTweetText, nAvatar);
					}
				});
				listString += "</ul>";
				var list = $(listString).appendTo(self);
				list.children('li:first').addClass('tweet_first').end()
					.children('li:odd').addClass('tweet_even').end()
					.children('li:even').addClass('tweet_odd');

				if (s.outro_text) list.after(outro);
				$("#panels").children("div.home_panel").equalHeight();
				
				if (nAvatar==0) {
                    jQuery("#containerTwitter").css("display", "none");
                } else {
                    jQuery("#containerTwitter").css("display", "block");
                }
			});

			self.ajaxError(function(e, XHR, options, error) {
				// error handling for when twitter is down. Place content in html string below.
				var errorContent = "";
				$(this).html(errorContent);
			});
		});
	};

	function getAvatarFromUserId(sText, nAvatar) {
		var regexp = /[\@]+([A-Za-z0-9-_]+)/i;
		var sAvatar = "" + sText.match(regexp);
		sAvatar = sAvatar.split(",")[0];
		sAvatar = sAvatar.replace("@", "");
		query = '&q=from:' + sAvatar;
		var url = 'http://search.twitter.com/search.json?&' + query + '&rpp=1&callback=?';
		$.getJSON(url, function(data) {
			if (data && data["results"] && data["results"][0]) {
				var item = data["results"][0];
				var avatar_template = '<a target="_blank"  class="tweet_avatar" href="http://twitter.com/' + item.from_user + '"><img src="' + item.profile_image_url + '" height="50" width="50" alt="' + item.from_user + '\'s avatar" border="0"/></a>';
				$("#tweet_avatar_" + nAvatar).html(avatar_template);
			}
		});
		return true;
	}
})(jQuery);