(function($) {

 

  $.fn.tweet = function(o){

    var s = {

      username: [],              // [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

      hide_avatar: false

    };

    

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

    

    $.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);

      },

      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 r;

    }



    function build_url() {

      var proto = ('https:' == document.location.protocol ? 'https:' : 'http:');

      if (s.list) {

        return proto+"//api.twitter.com/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+'//api.twitter.com/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+'//search.twitter.com/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 from_user_link = "<a href=\"http://twitter.com/#!/" + from_user + "\">" + from_user + "</a> ";



            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://twitter.com/'+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 avatar = (s.avatar_size ? avatar_template : from_user_link);

            var date = '<span class="tweet_time"><a href="http://twitter.com/'+from_user+'/statuses/'+item.id+'" title="view tweet on twitter">'+relative_time(item.created_at)+'</a>: </span>';

            var text = '<span class="tweet_text">' +$([item.text]).linkUrl().linkUser().linkHash().makeHeart().capAwesome().capEpic()[0]+ '</span>';



            if ( s.hide_avatar ) {

                avatar = "";

                }



            // until we create a template option, arrange the items below to alter a tweet's display.

            list.append('<li>' + avatar + date + join + text + '</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");

    });

  };

})(jQuery);