(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,
      error_text : null,
      timeout_text : null
    };
    
    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, ' on <span class="feed"><a href="http://search.twitter.com/search?q=&tag=$1&lang=all&from='+s.username.join("%2BOR%2B")+'">#$1</a></span>'));
        });
        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 pluralize = function (singular, n) {
        return '' + n + ' ' + singular + (n == 1 ? '' : 's');
      };
      if(delta < 60) {
      return 'less than a minute ago';
      } else if(delta < (60*60)) {
      return 'about ' + pluralize("minute", parseInt(delta / 60)) + ' ago';
      } else if(delta < (24*60*60)) {
      return 'about ' + pluralize("hour", parseInt(delta / 3600)) + ' ago';
      } else {
      return 'about ' + pluralize("day", parseInt(delta / 86400)) + ' ago';
      }
    }

    function build_url() {
      var proto = ('https:' == document.location.protocol ? 'https:' : 'http:');
      // the api strips out retweets, workaround fetch more messages
        var count = s.count;
        if (s.username.length == 1) {
            count *= 4;
        }
        if (count > 200) {
            count = 200;
        }

      if (s.username[0].indexOf('/')>0) {
        return proto+"//api.twitter.com/1/"+s.username[0].split('/')[0]+"/lists/"+s.username[0].split('/')[1]+"/statuses.json?per_page="+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='+count+'&callback=?';
      } else {
        var query = (s.query || 'from:'+s.username.join(' OR from:'));
        return proto+'//search.twitter.com/search.json?&q='+escape(query)+'&rpp='+count+'&callback=?';
      }
    }

    function limitText(text, maxSize) {
        if (text != null && text.length > maxSize) {
            var splitted = text.split(" ");
            var joined = "";
            for (var i=0; i < splitted.length; i++) {
                if (joined.length + splitted[i].length > maxSize-4) {
                    break;
                }
                if (i != 0) {
                    joined += " ";
                }
                joined += splitted[i];
            }
            if (joined.length == 0) {
                joined = text.substring(0, maxSize-3);
            }
            joined += "...";
            return joined;
        }
        return text;
    }

    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];
      }
      var cnt = s.count;
      if (s.loading_text) $(widget).append(loading);
      $.ajax({
          url : build_url(),
          dataType : "json",
          timeout : 200,
          success : function(data) {
            if (s.loading_text) loading.remove();
            if (s.intro_text) list.before(intro);
            var tweets = (data.results || data);
            $.each(tweets, function(i,item){
              // the api strips out retweets, workaround fetch more messages see also build_url()
              if (cnt-- <= 0) {
                  return;
              }
              // 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://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 : '');
              var twitter = '<span class="auteur"><a class="twitter" href="http://twitter.com/'+from_user+'">'+from_user+'</a>&nbsp;</span>';
              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>';

              item.text = limitText(item.text, 100 - from_user.length);
              var text = '<span class="feed"><a class="tweet_message" href="http://twitter.com/'+from_user+'/statuses/'+item.id+'">' +$([item.text]).linkUrl().linkUser().linkHash().makeHeart().capAwesome().capEpic()[0]+ '</a></span>';
              var moreLink = '<a href="http://twitter.com/'+from_user+'/statuses/'+item.id+'">[+]</a>';

              // 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.append('<li>' + twitter + 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"));
          },
        error : function(xmlHttpRequest, textStatus) {
            if ("timeout" == textStatus && s.timeout_text) {
                $(widget).append(s.timeout_text);
            } else if ("error" == textStatus && s.error_text) {
                $(widget).append(s.error_text);
            }
        }
    });
    });
  };
})(jQuery);