(function ($) {

    $.fn.tweet = function (o) {
        var s = {
            username: ["seaofclouds"],                // [string]   required, unless you want to display our tweets. :) it can be an array, just do ["username1","username2","etc"]
            list: null,                               // [string]   optional name of list belonging to username
            avatar_size: null,                        // [integer]  height and width of avatar if displayed (48px max)
            count: 3,                                 // [integer]  how many tweets to display?
            intro_text: null,                         // [string]   do you want text BEFORE your your tweets?
            outro_text: null,                         // [string]   do you want text AFTER your tweets?
            join_text: null,                         // [string]   optional text in between date and tweet, try setting to "auto"
            auto_join_text_default: "i said,",        // [string]   auto text for non verb: "i said" bullocks
            auto_join_text_ed: "i",                   // [string]   auto text for past tense: "i" surfed
            auto_join_text_ing: "i am",               // [string]   auto tense for present tense: "i was" surfing
            auto_join_text_reply: "i replied to",     // [string]   auto tense for replies: "i replied to" @someone "with"
            auto_join_text_url: "i was looking at",   // [string]   auto tense for urls: "i was looking at" http:...
            loading_text: null,                       // [string]   optional loading text, displayed while tweets load
            query: null,                              // [string]   optional search query
            refresh_interval: null,                  // [integer]  optional number of seconds after which to reload tweets
            twitter_url: "twitter.com",               // [string]   custom twitter url, if any (apigee, etc.)
            twitter_api_url: "api.twitter.com",       // [string]   custom twitter api url, if any (apigee, etc.)
            twitter_search_url: "search.twitter.com"  // [string]   custom twitter search url, if any (apigee, etc.)
        };

        if (o) $.extend(s, o);

        $.fn.extend({
            linkUrl: function () {
                var returning = [];
                // See http://daringfireball.net/2010/07/improved_regex_for_matching_urls
                var regexp = /\b((?:[a-z][\w-]+:(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))/gi;
                this.each(function () {
                    returning.push(this.replace(regexp,
                                      function (match) {
                                          var url = (/^[a-z]+:/i).test(match) ? match : "http://" + match;
                                          return "<a href=\"" + url + "\">" + match + "</a>";
                                      }));
                });
                return $(returning);
            },
            linkUser: function () {
                var returning = [];
                var regexp = /[\@]+([A-Za-z0-9-_]+)/gi;
                this.each(function () {
                    returning.push(this.replace(regexp, "<a href=\"http://" + s.twitter_url + "/$1\">@$1</a>"));
                });
                return $(returning);
            },
            linkHash: function () {
                var returning = [];
                var regexp = /(?:^| )[\#]+([A-Za-z0-9-_]+)/gi;
                this.each(function () {
                    returning.push(this.replace(regexp, ' <a href="http://' + s.twitter_search_url + '/search?q=&tag=$1&lang=all&from=' + s.username.join("%2BOR%2B") + '">#$1</a>'));
                });
                return $(returning);
            },
            capAwesome: function () {
                var returning = [];
                this.each(function () {
                    returning.push(this.replace(/\b(awesome)\b/gi, '<span class="awesome">$1</span>'));
                });
                return $(returning);
            },
            capEpic: function () {
                var returning = [];
                this.each(function () {
                    returning.push(this.replace(/\b(epic)\b/gi, '<span class="epic">$1</span>'));
                });
                return $(returning);
            },
            makeHeart: function () {
                var returning = [];
                this.each(function () {
                    returning.push(this.replace(/(&lt;)+[3]/gi, "<tt class='heart'>&#x2665;</tt>"));
                });
                return $(returning);
            }
        });

        function parse_date(date_str) {
            // The non-search twitter APIs return inconsistently-formatted dates, which Date.parse
            // cannot handle in IE. We therefore perform the following transformation:
            // "Wed Apr 29 08:53:31 +0000 2009" => "Wed, Apr 29 2009 08:53:31 +0000"
            return Date.parse(date_str.replace(/^([a-z]{3})( [a-z]{3} \d\d?)(.*)( \d{4})$/i, '$1,$2$4$3'));
        }

        function relative_time(time_value) {
            var parsed_date = parse_date(time_value);
            var relative_to = (arguments.length > 1) ? arguments[1] : new Date();
            var delta = parseInt((relative_to.getTime() - parsed_date) / 1000);
            var r = '';
            if (delta < 60) {
                r = delta + ' seconds ago';
            } else if (delta < 120) {
                r = 'a minute ago';
            } else if (delta < (45 * 60)) {
                r = (parseInt(delta / 60, 10)).toString() + ' minutes ago';
            } else if (delta < (2 * 60 * 60)) {
                r = 'an hour ago';
            } else if (delta < (24 * 60 * 60)) {
                r = '' + (parseInt(delta / 3600, 10)).toString() + ' hours ago';
            } else if (delta < (48 * 60 * 60)) {
                r = 'a day ago';
            } else {
                r = (parseInt(delta / 86400, 10)).toString() + ' days ago';
            }
            return 'about ' + r;
        }

        function build_url() {
            var proto = ('https:' == document.location.protocol ? 'https:' : 'http:');
            if (s.list) {
                return proto + "//" + s.twitter_api_url + "/1/" + s.username[0] + "/lists/" + s.list + "/statuses.json?per_page=" + s.count + "&callback=?";
            } else if (s.query == null && s.username.length == 1) {
                return proto + '//' + s.twitter_api_url + '/1/statuses/user_timeline.json?screen_name=' + s.username[0] + '&count=' + s.count + '&include_rts=1&callback=?';
            } else {
                var query = (s.query || 'from:' + s.username.join(' OR from:'));
                return proto + '//' + s.twitter_search_url + '/search.json?&q=' + encodeURIComponent(query) + '&rpp=' + s.count + '&callback=?';
            }
        }

        return this.each(function (i, widget) {
            var list = $('<ul class="tweet_list">').appendTo(widget);
            var intro = '<p class="tweet_intro">' + s.intro_text + '</p>';
            var outro = '<p class="tweet_outro">' + s.outro_text + '</p>';
            var loading = $('<p class="loading">' + s.loading_text + '</p>');

            if (typeof (s.username) == "string") {
                s.username = [s.username];
            }

            if (s.loading_text) $(widget).append(loading);
            $(widget).bind("load", function () {
                $.getJSON(build_url(), function (data) {
                    if (s.loading_text) loading.remove();
                    if (s.intro_text) list.before(intro);
                    list.empty();
                    var tweets = (data.results || data);
                    $.each(tweets, function (i, item) {
                        // auto join text based on verb tense and content
                        if (s.join_text == "auto") {
                            if (item.text.match(/^(@([A-Za-z0-9-_]+)) .*/i)) {
                                var join_text = s.auto_join_text_reply;
                            } else if (item.text.match(/(^\w+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&\?\/.=]+) .*/i)) {
                                var join_text = s.auto_join_text_url;
                            } else if (item.text.match(/^((\w+ed)|just) .*/im)) {
                                var join_text = s.auto_join_text_ed;
                            } else if (item.text.match(/^(\w*ing) .*/i)) {
                                var join_text = s.auto_join_text_ing;
                            } else {
                                var join_text = s.auto_join_text_default;
                            }
                        } else {
                            var join_text = s.join_text;
                        };

                        var from_user = item.from_user || item.user.screen_name;
                        var profile_image_url = item.profile_image_url || item.user.profile_image_url;
                        var join_template = '<span class="tweet_join"> ' + join_text + ' </span>';
                        var join = ((s.join_text) ? join_template : ' ');
                        var avatar_template = '<a class="tweet_avatar" href="http://' + s.twitter_url + '/' + from_user + '"><img src="' + profile_image_url + '" height="' + s.avatar_size + '" width="' + s.avatar_size + '" alt="' + from_user + '\'s avatar" title="' + from_user + '\'s avatar" border="0"/></a>';
                        var user_template = '<a class="tweet_avatar" href="http://' + s.twitter_url + '/' + from_user + '">'+ from_user +'</a>';
                        var avatar = (s.avatar_size ? avatar_template : '');
                        var date = '<div class="tweet_time"><a href="http://' + s.twitter_url + '/' + from_user + '/statuses/' + item.id_str + '" title="view tweet on twitter">' + relative_time(item.created_at) + '</a></div>';
                        var text = '<span class="tweet_text">' + $([item.text]).linkUrl().linkUser().linkHash().makeHeart().capAwesome().capEpic()[0] + '</span>';

                        // until we create a template option, arrange the items below to alter a tweet's display.
                        list.append('<li>' + avatar + user_template + join + text  + date + '</li>');

                        list.children('li:first').addClass('tweet_first');
                        list.children('li:odd').addClass('tweet_even');
                        list.children('li:even').addClass('tweet_odd');
                    });
                    if (s.outro_text) list.after(outro);
                    $(widget).trigger("loaded").trigger((tweets.length == 0 ? "empty" : "full"));
                    if (s.refresh_interval) {
                        window.setTimeout(function () { $(widget).trigger("load"); }, 1000 * s.refresh_interval);
                    };
                });
            }).trigger("load");
        }

//        , function (x, y) { verticalSlider(); }
//        
        );
    };
})(jQuery);