// Display Latest Tweet

jQuery(document).ready(function(){

jQuery.getJSON('/twitter-json', function(data){
        jQuery.each(data, function(index, item){
                jQuery('#tweet').append(
				'<div class="twitter-blog"><div class="thumb"><img class="profile_icon" src="'+ item.user['profile_image_url'] +'" width="48" height="48" alt="Twitter"></div><div class="twitter-content"><p class="tw-content">' + item.text.linkify() + '</p><p class="twitter-link"><span class="time">' + relative_time(item.created_at) + '</span><img src="assets/images/reskin/favorite-star.gif" alt=""> <a target="_blank" href="http://twitter.com/intent/favorite?tweet_id=' + item.id_str + '" class="favorite">favorite</a> <img src="assets/images/reskin/retweet.gif" alt=""> <a target="_blank" href="http://twitter.com/intent/retweet?tweet_id=' + item.id_str + '" class="retweet">retweet</a> <img src="assets/images/reskin/reply.gif" alt=""> <a target="_blank" href="http://twitter.com/intent/tweet?in_reply_to=' + item.id_str + '" class="reply">reply</a></p></div></div>');
		});
        if(jQuery('p.tw-content a').length) {
        	jQuery('p.tw-content a').attr('target','_blank'); 
       }
});


// Convert Twitter API Timestamp to "Time Ago"

function relative_time(time_value) {
  var values = time_value.split(" ");
  time_value = values[1] + " " + values[2] + ", " + values[5] + " " + values[3];
  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);
  delta = delta + (relative_to.getTimezoneOffset() * 60);

  var r = '';
  if (delta < 60) {
        r = 'a minute ago';
  } else if(delta < 120) {
        r = 'couple of minutes ago';
  } else if(delta < (45*60)) {
        r = (parseInt(delta / 60)).toString() + ' minutes ago';
  } else if(delta < (90*60)) {
        r = 'an hour ago';
  } else if(delta < (24*60*60)) {
        r = '' + (parseInt(delta / 3600)).toString() + ' hours ago';
  } else if(delta < (48*60*60)) {
        r = '1 day ago';
  } else {
        r = (parseInt(delta / 86400)).toString() + ' days ago';
  }

  	  return r;
	}

});	


// Create Usable Links

String.prototype.linkify = function() {
       return this.replace(/[A-Za-z]+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&\?\/.=]+/, function(m) {
              return m.link(m);
      });
};