// JavaScript Document

/*
  * PK_TWITTER ***
*/

(function($) {
	$.fn.pk_twitter = function(options) {
		var defaults = {
			user: "parkerandkent",
			count: 2
		};
	
		var settings = $.extend({}, defaults, options);
		
		String.prototype.linkify = function() {
			return this.replace(/[A-Za-z]+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&\?\/.=]+/, function(m) {
				return m.link(m);
			});
		};
		
		function get_time(time_value) {
	  		var values = time_value.split(" ");
	  		time_value = values[1] + " " + values[2] + ", " + values[5] + " " + values[3];
	 		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);
	  		delta = delta + (relative_to.getTimezoneOffset() * 60);
	  
	  		var r = '';
	  		if (delta < 60) {
				r = 'a minute ago';
	  		} else if(delta < 120) {
				r = 'couple of minutes ago';
	  		} else if(delta < (45*60)) {
				r = (parseInt(delta / 60)).toString() + ' minutes ago';
	 		} else if(delta < (90*60)) {
				r = 'an hour ago';
	  		} else if(delta < (24*60*60)) {
				r = '' + (parseInt(delta / 3600)).toString() + ' hours ago';
	  		} else if(delta < (48*60*60)) {
				r = '1 day ago';
	  		} else {
				r = (parseInt(delta / 86400)).toString() + ' days ago';
	  		}
	  
	  		return r;
		};
		
		return this.each(function () {
			var $root = $(this);
			
			$.getJSON('http://twitter.com/status/user_timeline/' + settings.user + '.json?count=' + settings.count + '&callback=?', function(data){
				$root.find("li").remove();
				$.each(data, function(index, item){
					$root.append('<li>' + item.text.linkify() + '<small>' + get_time(item.created_at) + '</small></li>');
				});
			});
		});
	}
})(jQuery);