(function($) {
    /*
    jquery.twitter.js v1.0
    Last updated: 26 October 2008

		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) {
        var o = $.extend({}, $.fn.getTwitter.defaults, options);

        // hide container element
        $(this).hide();

        // add heading to container element
        if (o.showHeading) {
            $(this).append('<h2>' + o.headingText + '</h2>');
        }

        // add twitter list to container element
        $(this).append('<ul id="twitter_update_list"><li></li></ul>');

        // hide twitter list
        $("ul#twitter_update_list").hide();

        // add preLoader to container element
        var pl = $('<p id="' + o.preloaderId + '">' + o.loaderText + '</p>');
        $(this).append(pl);

        // add Twitter profile link to container element
        if (o.showProfileLink) {
            $(this).append('<a id="profileLink" href="http://twitter.com/' + o.userName + '">http://twitter.com/' + o.userName + '</a>');
        }

        // show container element
        $(this).show();

        //$.getScript("http://twitter.com/javascripts/blogger.js");
        $.getScript("http://twitter.com/statuses/user_timeline/" + o.userName + ".json?callback=twitterCallback2&count=" + o.numTweets, function() {
            // remove preLoader from container element
            $(pl).remove();

            // show twitter list
            if (o.slideIn) {
                $("ul#twitter_update_list").slideDown(1000);
            }
            else {
                $("ul#twitter_update_list").show();
            }

            // give first list item a special class
            $("ul#twitter_update_list li:first").addClass("firstTweet");

            // give last list item a special class
            $("ul#twitter_update_list li:last").addClass("lastTweet");
            $("#twitter_update_list a").each(function(index) { $(this).attr("target", "_blank"); });
        });
    };

    // plugin defaults
    $.fn.getTwitter.defaults = {
        userName: null,
        numTweets: 5,
        preloaderId: "preloader",
        loaderText: "Loading tweets...",
        slideIn: false,
        showHeading: true,
        headingText: "Latest Tweets",
        showProfileLink: true
    };
})(jQuery);

function twitterCallback2(twitters) {
    var statusHTML = [];
    for (var i = 0; i < twitters.length; i++) {
        var username = twitters[i].user.screen_name;
        var status = twitters[i].text.replace(/((https?|s?ftp|ssh)\:\/\/[^"\s\<\>]*[^.,;'">\:\s\<\>\)\]\!])/g, function(url) {
            return '<a href="' + url + '">' + url + '</a>';
        }).replace(/\B@([_a-z0-9]+)/ig, function(reply) {
            return reply.charAt(0) + '<a href="http://twitter.com/' + reply.substring(1) + '">' + reply.substring(1) + '</a>';
        });
        stime = '<a style="font-size:85%" href="http://twitter.com/' + username + '/statuses/' + twitters[i].id_str + '">' + relative_time(twitters[i].created_at) + '</a>';
        statusHTML.push('<li><span>' + status + '</span> </li>');
    }
    document.getElementById('twitter_update_list').innerHTML = statusHTML.join('');
}

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 'less than a minute ago';
    } else if (delta < 120) {
        return 'about a minute ago';
    } else if (delta < (60 * 60)) {
        return (parseInt(delta / 60)).toString() + ' minutes ago';
    } else if (delta < (120 * 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';
    }
}