function linkify(text){
    // modified from TwitterGitter by David Walsh (davidwalsh.name)
    // courtesy of Jeremy Parrish (rrish.org)
    return text.replace(/(https?:\/\/[\w\-:;?&=+.%#\/]+)/gi, '<a href="$1">$1</a>').replace(/(^|\W)@(\w+)/g, '$1<a href="http://twitter.com/$2">@$2</a>').replace(/(^|\W)#(\w+)/g, '$1#<a href="http://search.twitter.com/search?q=%23$2">$2</a>');
}


function twitterCallback_userName(twitters){
    var statusHTML = [];
    for (var i = 0; i < twitters.length; i++) {
        var username = twitters[i].user.screen_name;
		var status = linkify(twitters[i].text);		
        statusHTML.push('<li><span class="postDate" title="'+time_to_sort(twitters[i].created_at)+'">@' + username + '</span> <span>' + status + '</span> <a style="font-size:85%" href="http://twitter.com/' + username + '/statuses/' + twitters[i].id + '" target="_blank">' + relative_time(twitters[i].created_at) + '</a></li>');
    }
    document.getElementById('twitter_update_list').innerHTML = '';
	$("#twitter_update_list").append(statusHTML.join(''));
}

function twitterCallback_userName2(twitters){
    var statusHTML = [];
    for (var i = 0; i < twitters.length; i++) {
        var username = twitters[i].user.screen_name;
		var status = linkify(twitters[i].text);		
        statusHTML.push('<li><span class="postDate" title="'+time_to_sort(twitters[i].created_at)+'">@' + username + '</span> <span>' + status + '</span> <a style="font-size:85%" href="http://twitter.com/' + username + '/statuses/' + twitters[i].id + '" target="_blank">' + relative_time(twitters[i].created_at) + '</a></li>');
    }

	$("#twitter_update_list").append(statusHTML.join(''));
}

function time_to_sort(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);
	return delta;
}

function relative_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);
    
    if (delta < 60) { return 'menos de um minuto atrás'; }
    else if (delta < 120) { return 'cerca de um minuto atrás'; }
	else if (delta < (60 * 60)) { return (parseInt(delta / 60)).toString() + ' minutos atrás'; }
	else if (delta < (120 * 60)) { return 'cerca de uma hora atrás'; } 
	else if (delta < (24 * 60 * 60)) { return 'cerca de ' + (parseInt(delta / 3600)).toString() + ' horas atrás'; }
	else if (delta < (48 * 60 * 60)) { return '1 dia atrás'; }
	else { return (parseInt(delta / 86400)).toString() + ' dias atrás'; }
}

(function($){
    /*
     jquery.twitter.js v1.5
     Last updated: 08 July 2009
     Created by Damien du Toit
     http://coda.co.za/blog/2008/10/26/jquery-plugin-for-twitter
     Licensed under a Creative Commons Attribution-Non-Commercial 3.0 Unported License
     http://creativecommons.org/licenses/by-nc/3.0/
     */
    $.fn.getTwitter = function(options){
    
        $.fn.getTwitter.defaults = {
            userName: null,
            userName2: null,
            numTweets: 5,
            loaderText: "Loading tweets...",
            slideIn: true,
            slideDuration: 750,
            showHeading: true,
            headingText: "Latest Tweets",
            showProfileLink: true,
            showTimestamp: true,
            fnProcessaTUTO: function(preLoaderHTML){
            
            }
        };
        
        var o = $.extend({}, $.fn.getTwitter.defaults, options);
        
        return this.each(function(){
            var c = $(this);
            
            // hide container element, remove alternative content, and add class
            c.hide().empty().addClass("twitted");
            
            // add heading to container element
            if (o.showHeading) {
                c.append("<h2>" + o.headingText + "</h2>");
            }
            
            // add twitter list to container element
            var twitterListHTML = "<ul id=\"twitter_update_list\"><li></li></ul>";
            c.append(twitterListHTML);
            
            var tl = $("#twitter_update_list");
            
            // hide twitter list
            tl.hide();
            
            // add preLoader to container element
            var preLoaderHTML = $("<p class=\"preLoader\">" + o.loaderText + "</p>");
            c.append(preLoaderHTML);
            
            // add Twitter profile link to container element
            if (o.showProfileLink) {
                var profileLinkHTML = "<p class=\"profileLink\"><a href=\"http://twitter.com/" + o.userName + "\">http://twitter.com/" + o.userName + "</a></p>";
                c.append(profileLinkHTML);
            }
            
            // show container element
            c.show();
            
            var fnProcessaTUTO = function(){
                // remove preLoader from container element
                $(preLoaderHTML).remove();
                
				$("ul#twitter_update_list>li").tsort("span[class=postDate]",{order:"asc",attr:"title"});				
				
                // remove timestamp and move to title of list item
                if (!o.showTimestamp) {
                    tl.find("li").each(function(){
                        var timestampHTML = $(this).children("a");
                        var timestamp = timestampHTML.html();
                        timestampHTML.remove();
                        $(this).attr("title", timestamp);
                    });
                }
                
                // show twitter list
                if (o.slideIn) {
                    // a fix for the jQuery slide effect
                    // Hat-tip: http://blog.pengoworks.com/index.cfm/2009/4/21/Fixing-jQuerys-slideDown-effect-ie-Jumpy-Animation
                    var tlHeight = tl.data("originalHeight");
                    
                    // get the original height
                    if (!tlHeight) {
                        tlHeight = tl.show().height();
                        tl.data("originalHeight", tlHeight);
                        tl.hide().css({ height: 0 });
                    }
                    
                    tl.show().animate({
                        height: tlHeight
                    }, o.slideDuration, function(){
                        c.jScrollPane();
                    });
                }
                else {
                    tl.show();
                    c.jScrollPane();
                }
                
                // add unique class to first list item
                tl.find("li:first").addClass("firstTweet");
                
                // add unique class to last list item
                tl.find("li:last").addClass("lastTweet");
            };
            
            if (o.userName2 == null) {
                $.getScript("http://twitter.com/statuses/user_timeline/" + o.userName + ".json?callback=twitterCallback_userName&count=" + o.numTweets, fnProcessaTUTO);
            }
            else {
                $.getScript("http://twitter.com/statuses/user_timeline/" + o.userName + ".json?callback=twitterCallback_userName&count=" + o.numTweets, function(){
                    $.getScript("http://twitter.com/statuses/user_timeline/" + o.userName2 + ".json?callback=twitterCallback_userName2&count=" + o.numTweets, fnProcessaTUTO);
                });
            }
        });
    };
})(jQuery);