(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"]
            count: 3,                               // [integer]  how many tweets to display?
            loading_text: null,                     // [string]   optional loading text, displayed while tweets load
            query: null,                            // [string]   optional search query
            list_id: null					      	  // [string]   optional list name - overrides search query
        };

        $.fn.extend({
            linkUrl: function() {
                var returning = [];
                var regexp = /((ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?)/gi;
                this.each(function() {
                    returning.push(this.replace(regexp, "<a href=\"$1\">$1</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://twitter.com/$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://search.twitter.com/search?q=&tag=$1&lang=all&from=' + s.username.join("%2BOR%2B") + '">#$1</a>'))
                });
                return $(returning);
            }
        });

        function relative_time(time_value) {
            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);
            if (delta < 60) {
                return 'less than a minute ago';
            } else if (delta < 120) {
                return 'about a minute ago';
            } else if (delta < (45 * 60)) {
                return (parseInt(delta / 60)).toString() + ' minutes ago';
            } else if (delta < (90 * 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';
            }
        }

        if (o) $.extend(s, o);
        return this.each(function() {
            var list = $('<ul class="tweet_list">').appendTo(this);
            var loading = $('<li><p class="name">' + s.loading_text + '</p></li>');

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

            var url;
            if (s.list_id) {
                url = 'http://api.twitter.com/1/' + s.username.join('') + '/lists/' + s.list_id + '/statuses.json?per_page=' + s.count + '&callback=?';
            }
            else {
                var query = '';
                if (s.query) {
                    query += 'q=' + s.query;
                }
                query += '&q=from:' + s.username.join('%20OR%20from:');
                url = 'http://search.twitter.com/search.json?&' + query + '&rpp=' + s.count + '&callback=?';
            }
            if (s.loading_text) {
                list.append(loading);
            }
            $.getJSON(url, function(data) {
                if (s.loading_text) loading.remove();
                var results = (data.results) ? data.results : data;
                $.each(results, function(i, item) {
                    var user, profile_image_url;
                    if (item.user) {
                        user = item.user.screen_name;
                        profile_image_url = item.user.profile_image_url;
                    }
                    else {
                        user = item.from_user;
                        profile_image_url = item.profile_image_url;
                    }
                    var date = '<p class="time"><a href="http://twitter.com/' + user + '/statuses/' + item.id + '" title="view tweet on twitter">' + relative_time(item.created_at) + '</a></p>';
                    var text = '<p class="message">' + $([item.text]).linkUrl().linkUser().linkHash()[0] + '</p>';
                    user = '<p class="name"><a href="http://twitter.com/' + user + '">' + user + '</a> tweeted</p>';

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

        });
    };
})(jQuery);