$(document).ready(function() {
	getTweets();
	setInterval("getTweets()",20000);
});



function getTweets() {
	var twitter_search_url;
	if (last_status_id > 0)
		twitter_search_url = "http://search.twitter.com/search.json?q="+klam_url+"&since_id=" + last_status_id + "&callback=?";
	else
		twitter_search_url = "http://search.twitter.com/search.json?q="+klam_url+"&callback=?";
	$.getJSON(twitter_search_url, function(data) {
		$('#tweets li').removeClass('new');
		$.each(data.results.reverse(), function(i,item) {
			if (item.text.indexOf(klam_url_raw)>=0) {
				$('#awaiting_tweets').html('');
				if (last_status_id < item.id)
					last_status_id = item.id;
				if (first)
				{
					$('#tweets').prepend('<li><img src="' + item.profile_image_url + '" /> <a href="http://twitter.com/' + item.from_user + '">' + item.from_user + '</a>: ' + formatTweet(item.text) + ' (<a href="http://twitter.com/' + item.from_user + '/status/' + item.id + '" class="twitter_date" title="' + item.created_at + '">' + item.created_at + '</a>)</li>');
				}
				else
				{
					$('#tweets').prepend('<li class="new" style="display:none"><img src="' + item.profile_image_url + '" /> <a href="http://twitter.com/' + item.from_user + '">' + item.from_user + '</a>: ' + formatTweet(item.text) + ' (<a href="http://twitter.com/' + item.from_user + '/status/' + item.id + '" class="twitter_date" title="' + item.created_at + '">' + item.created_at + '</a>)</li>');
					if ($('#tweets li').size() >=20)
						$('#tweets li:last').remove();
				}
				$('#tweets li.new').fadeIn();
			}
		});
		$('a.twitter_date').prettyDate();
		first = false;
	});
	
}

/*
 * JavaScript Pretty Date
 * Copyright (c) 2008 John Resig (jquery.com)
 * Licensed under the MIT license.
 */

// Takes an ISO time and returns a string representing how
// long ago the date represents.
function prettyDate(time){
//	var date = new Date((time || "").replace(/-/g,"/").replace(/[TZ]/g," ")),
	var date = new Date(time),
		diff = (((new Date()).getTime() - date.getTime()) / 1000),
		day_diff = Math.floor(diff / 86400);
//	console.log(time + ': ' + date.getTime());
			
	if ( isNaN(day_diff) || day_diff < 0 || day_diff >= 31 )
		return;
			
	return day_diff == 0 && (
			diff < 60 && "just now" ||
			diff < 120 && "1 minute ago" ||
			diff < 3600 && Math.floor( diff / 60 ) + " minutes ago" ||
			diff < 7200 && "1 hour ago" ||
			diff < 86400 && Math.floor( diff / 3600 ) + " hours ago") ||
		day_diff == 1 && "Yesterday" ||
		day_diff < 7 && day_diff + " days ago" ||
		day_diff < 31 && Math.ceil( day_diff / 7 ) + " weeks ago";
}

// If jQuery is included in the page, adds a jQuery plugin to handle it as well
if ( typeof jQuery != "undefined" )
	jQuery.fn.prettyDate = function(){
		return this.each(function(){
			var date = prettyDate(this.title);
			if ( date )
				jQuery(this).text( date );
		});
	};


function formatTweet(text)
{
	text = text.replace(/((https?|s?ftp|ssh)\:\/\/[^"\s\<\>]*[^.,;'">\:\s\<\>\)\]\!])/g,
        function(F) {
            return '<a href="' + F + '">' + F + "</a>"
        }).replace(/\B@([_a-z0-9]+)/ig,
        function(F) {
            return F.charAt(0) + '<a href="http://www.twitter.com/' + F.substring(1) + '">' + F.substring(1) + "</a>"
        });
	return text;
}