JQTWEET = {
  // Set twitter username, number of tweets & id/class to append tweets
  user: 'LIRNnotes',
  numTweets: 3,
  appendTo: '#jstwitter',
 
  // core function of jqtweet
  loadTweets: function() {
    $.ajax({
      // url: 'http://api.twitter.com/1/statuses/user_timeline.json/',
      url: '/news/twitter/',
      type: 'GET',
      dataType: 'json',
      timeout: 5000,
      data: {
/*
        screen_name: JQTWEET.user,
        include_rts: true,
        count: JQTWEET.numTweets,
        include_entities: true
*/
      },
      success: function(data, textStatus, xhr) {
        $(JQTWEET.appendTo).empty();
        var html = '<div class="tweet">TWEET_TEXT<div class="time">AGO</div>';
         
        // append tweets into page
        for (var i = 0; i < data.length; i++) {
          $(JQTWEET.appendTo).append(
            html.replace('TWEET_TEXT', JQTWEET.ify.clean(data[i].text) )
            .replace(/USER/g, data[i].user.screen_name)
            .replace('AGO', JQTWEET.timeAgo(data[i].created_at) )
            .replace(/ID/g, data[i].id_str)
          );
        }                  
      },
      error: function(jqXHR, textStatus, errorThrown) {
        $(JQTWEET.appendTo).empty();
        $(JQTWEET.appendTo).append(
         '<div class="ui-widget ui-widget-conent">' +
         '<div class="ui-state-highlight ui-corner-all" style="margin:1em;padding:0.25em;">' +
         '<p><span style="display:inline-block;" class="ui-icon ui-icon-alert"></span>' +
         'Sorry, we could not load the Twitter feed right now.<br/>' +
         'Status: ' + textStatus + ', Error: ' + errorThrown +
         '</p></div></div>'
        );
      }   
    });
  }, 

  /**
    * relative time calculator FROM TWITTER
    * @param {string} twitter date string returned from Twitter API
    * @return {string} relative time like "2 minutes ago"
    */
  timeAgo: function(dateString) {
    var rightNow = new Date();
    var then = new Date(dateString);
         
    // IE can't parse these crazy Ruby dates
    if ($.browser.msie) { then = Date.parse(dateString.replace(/( \+)/, ' UTC$1')); }
 
    var diff = rightNow - then;
    var second = 1000,
    minute = second * 60,
    hour = minute * 60,
    day = hour * 24,
    week = day * 7;
 
    // return blank string if unknown
    if (isNaN(diff) || diff < 0) { return ""; }
 
    // within 2 seconds
    if (diff < second * 2) { return "right now"; }
 
    if (diff < minute) { return Math.floor(diff / second) + " seconds ago"; }
 
    if (diff < minute * 2) { return "about 1 minute ago"; }
 
    if (diff < hour) { return Math.floor(diff / minute) + " minutes ago"; }
 
    if (diff < hour * 2) { return "about 1 hour ago"; }
 
    if (diff < day) { return  Math.floor(diff / hour) + " hours ago"; }
 
    if (diff > day && diff < day * 2) { return "yesterday"; }
 
    if (diff < day * 365) { return Math.floor(diff / day) + " days ago"; }
 
    else { return "over a year ago"; }
  }, // timeAgo()
     
     
  /**
    * The Twitalinkahashifyer!
    * http://www.dustindiaz.com/basement/ify.html
    * Eg:
    * ify.clean('your tweet text');
    */
  ify:  {
    link: function(tweet) {
      return tweet.replace(/\b(((https*\:\/\/)|www\.)[^\"\']+?)(([!?,.\)]+)?(\s|$))/g, function(link, m1, m2, m3, m4) {
        var http = m2.match(/w/) ? 'http://' : '';
        return '<a class="twtr-hyperlink" target="_blank" href="' + http + m1 + '">' + ((m1.length > 25) ? m1.substr(0, 24) + '...' : m1) + '</a>' + m4;
      });
    },
 
    at: function(tweet) {
      return tweet.replace(/\B[@＠]([a-zA-Z0-9_]{1,20})/g, function(m, username) {
        return '<a target="_blank" class="twtr-atreply" href="http://twitter.com/intent/user?screen_name=' + username + '">@' + username + '</a>';
      });
    },
 
    list: function(tweet) {
      return tweet.replace(/\B[@＠]([a-zA-Z0-9_]{1,20}\/\w+)/g, function(m, userlist) {
        return '<a target="_blank" class="twtr-atreply" href="http://twitter.com/' + userlist + '">@' + userlist + '</a>';
      });
    },
 
    hash: function(tweet) {
      return tweet.replace(/(^|\s+)#(\w+)/gi, function(m, before, hash) {
        return before + '<a target="_blank" class="twtr-hashtag" href="http://twitter.com/search?q=%23' + hash + '">#' + hash + '</a>';
      });
    },
 
    clean: function(tweet) {
      return this.hash(this.at(this.list(this.link(tweet))));
    }
  } // ify
};
 
// start jqtweet!
JQTWEET.loadTweets();