// This is a self invoking function. 
// The $ parameter allows you to reference the jQuery item.
(function($) {

// fn is essentially the same as prototype.
// so this will be used like $('#jqueryItem).twitterize(username)
$.fn.twitterize = function(username,options) {
	
	//check to see if the username has been set.
	if (username) {
		
		//create an object full of your default settings.
		var defaultSettings = {
			count:'1'
		}
		
		// Finds which default settings have been overwritten by the options object
		// and creates a new object with all the new and untouched settings.
		var settings = $.extend(defaultSettings, options);
		
		// The URL for the Twitter JSON API.
		var url = "http://twitter.com/status/user_timeline/"+username+".json?count="+settings.count+"&callback=?";
		
		//Variable to get around scope problem in callback function.
		var holder = this;
		
		$.getJSON(url,
		
		//This function is called when twitter responds with the appropriate information.
		function(data) {
			
			holder.append("<table id='twitter'>");
			$('#twitter').append("<tr id='twitterHeaderRow'>");
			$('#twitterHeaderRow').append("<th id='twitterTweetHeader'>");
			$('#twitterTweetHeader').append("<a href='http://twitter.com/#!/kimasendorf' target='_blank'>@kimasendorf</a>");
			$('#twitterHeaderRow').append("<th id='twitterDateHeader'>");
			$('#twitterDateHeader').append("Date");
			
			//Step through each tweet.
			$.each(data, function(i, item) {
				
				var date = new Date(item.created_at);
				
				$('#twitter').append("<tr id='tweetRow"+ i +"'>");
				$('#tweetRow'+ i).append("<td id='tweet"+ i +"'>");
				//place the tweet within a paragraph tag.
				$('#tweet'+ i).append(item.text.makeLinks());
				$('#tweetRow'+ i).append("<td id='date"+ i +"'>");
				$('#date'+ i).append("<a href='http://twitter.com/#!/kimasendorf/status/"+ item.id_str +"' target='_blank'>"+ date.getFullYear() +"-"+ (date.getMonth()+1) +"-"+ date.getDate() +" "+ date.getHours() +":"+ date.getMinutes() +":"+ date.getSeconds() +"</a>");
			});
		});
	    
	}else{
		//Username paramater hasn't been set.
		console.debug("jquery plugin twitterize requires a username! Check your parameters");
	}
	
	//Changes urls within the tweet into links.
	String.prototype.makeLinks = function() {
		return this.replace(/[A-Za-z]+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&\?\/.=]+/, function(str) {
			return str.link(str);
		});
	};
	

//Return itself
return this;

};

// We pass "jQuery" to the self invoking function
// so we can use whatever alias of jQeury that we like.
// So instead of "$" you could also use any other
// valid JavaScript variable name.

})(jQuery);