(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,
            numTweets: 5,
            loaderText: "Loading tweets...",
            slideIn: false,
            slideDuration: 750,
            showHeading: true,
            headingText: "Latest Tweets",
            showProfileLink: true,
            showTimestamp: true,
            linkify: false
        };

        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();
          
            $.getScript("http://api.twitter.com/1/statuses/user_timeline.json?screen_name=" + o.userName + "&count=" + o.numTweets + "&include_rts=1&callback=twitterCallback", function () {
                // remove preLoader from container element
                $(preLoaderHTML).remove();

                // create profile link if it exists.
                if (o.showProfileLink) {
                    tl.find("li").each(function () {
                        var newHtml = $(this).html().replace(/\B@([_a-z0-9]+)/ig, function (reply) {
                            return reply.charAt(0) + '<a href="http://twitter.com/' + reply.substring(1) + '">' + reply.substring(1) + '</a>';
                        });

                        $(this).html(newHtml);
                    });
                }

                // remove timestamp (and all other links) and wrap
                // contents of the list item with an anchor to point
                // at the timestamp link
                if (o.linkify) {
                    tl.find("li").each(function () {
                        var ts = $(this).children('a').first();
                        var href = ts.attr('href');
                        ts.remove();
                        $(this).find('a').remove();
                        $(this).wrapInner('<a href="' + href + '"></a>');
                    });
                }

                // remove timestamp and move to title of list item
                else 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);
                }
                else {
                    tl.show();
                }

                // 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");
            });
        });
    };
})(jQuery);


//taken from the twitters blogger.js 

function twitterCallback(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 '<span style="color:#014D82; display:inline">' + reply.charAt(0) + reply.substring(1) + '</span>';
        }).replace('RT', '');
        statusHTML.push('<li><span>' + status + '</span> <a style="font-size:85%" href="http://twitter.com/' + username + '/statuses/' + twitters[i].id_str + '">' + relative_time(twitters[i].created_at) + '</a></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';
    }
};