(function($) {
 
	$.fn.tweet = function(o, callback){
		var s = {
			username: ["seaofclouds"],				// [string]	required, unless you want to display our tweets. :) it can be an array, just do ["username1","username2","etc"]
			avatar_size: null,						// [integer]	height and width of avatar if displayed (48px max)
			count: 3,								// [integer]	how many tweets to display?
			prepend: null,							// [string] what should prepend the tweets, if anything? ["date", "from_user"]
			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
			tag: null,								// [string]	optional hashtag
			target: null,							// [string]	optional link target -- "_blank"
			query: null								// [string]	optional search query
		};
	
		if(o) $.extend(s, o);
	
		$.fn.extend({
			linkUrl: function(target) {
				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+" href=\"$1\">$1</a>"))
				});
				return $(returning);
			},
			linkUser: function(target) {
				var returning = [];
				var regexp = /[\@]+([A-Za-z0-9-_]+)/gi;
				this.each(function() {
					returning.push(this.replace(regexp,"<a "+target+" href=\"http://twitter.com/$1\">@$1</a>"))
				});
				return $(returning);
			},
			linkHash: function(target) {
				var returning = [];
				var regexp = / [\#]+([A-Za-z0-9-_]+)/gi;
				this.each(function() {
					returning.push(this.replace(regexp, ' <a '+target+' 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';
			}
		}

		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(typeof(s.prepend) == "string"){
				s.prepend = [s.prepend];
			}
			var target = '';
			if(s.target) {
				target = ' target="'+s.target+'" ';
			}
			var query = '';
			if(s.query) {
				query += 'q='+s.query;
			}
			if(s.tag) {
				query += 'tag='+s.tag.replace(/^#/, '');
			}
			//query += '&q=from:'+s.username.join('%20OR%20from:');
			query += '&q=from:'+s.username.join('+OR+from:');
			var url = 'http://search.twitter.com/search.json?&'+query+'&rpp='+s.count+'&callback=?';
      //console.log(url);
			if (s.loading_text) $(this).append(loading);
			$.getJSON(url, function(data){
				if (s.loading_text) loading.remove();
				if (s.intro_text) list.before(intro);
				$.each(data.results, 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 join_template = '<span class="tweet_join"> '+join_text+' </span>';
					var join = ((s.join_text) ? join_template : ' ')
					var avatar_template = '<a'+target+' 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" title="'+item.from_user+'\'s avatar" border="0"/></a>';
					var avatar = (s.avatar_size ? avatar_template : '')

					var prepend = '';
					jQuery.each(s.prepend, function(i, val) {
						switch(val) {
							case 'date':
								prepend = prepend + '<a'+target+' class="tweet_date" href="http://twitter.com/'+item.from_user+'/statuses/'+item.id+'" title="view tweet on twitter">'+relative_time(item.created_at)+'</a>';
								break;
							case 'from_user':
								prepend = prepend + '<a'+target+' class="tweet_from_user" href="http://twitter.com/'+item.from_user+'/statuses/'+item.id+'" title="view tweet on twitter">'+item.from_user+'</a>';
								break;
						}						
					});

					var text = '<span class="tweet_text">' +$([item.text]).linkUrl(target).linkUser(target).linkHash(target)[0]+ '</span>';
			
					// until we create a template option, arrange the items below to alter a tweet's display.
					list.append('<li>' + avatar + prepend + join + text + '</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);
								
				callback && callback();

			});
		});
	};	
})(jQuery);

