// JavaScript Document

//	jQuery Tweet Scroller 
//	file name: rotate.js 
//	author: Pote
//	url: http://acpote.com
//	post url: http://acpote.com/blog/creating-rotating-twitter-feed-jquery 

$('document').ready(function() {

	setInterval("scrollTwt()", 3000);}); //every four seconds, run function
	
	function scrollTwt() {
		// sort list of elements
		var oCurTwt = $('ul#twitter_update_list li.current'); // set current li as variable
		var oNxtTwt = oCurTwt.next(); // set next li in variable
		if (oNxtTwt.length == 0) // if there are no li's left
		oNxtTwt = $('ul#twitter_update_list li:first'); // set first li as next
		// the fades
		oCurTwt.fadeOut('slow').removeClass('current'); //fade out current item
		oNxtTwt.fadeIn('slow').addClass('current'); // fade in next item

	}

// JavaScript Document

// tweets.js - get the feeds from username set on
// index.php and generate list items with the 
// data(status updates, feed date, links) 

function twitterCallback(twitters) {
  var statusHTML = [];
  for (var i=0; i<twitters.length; i++){
    var username = twitters[i].user.screen_name;
    var status = twitters[i].text.replace(/((https?|s?ftp|ssh)\:\/\/[^"\s\<\>]*[^.,;'">\:\s\<\>\)\]\!])/g, function(url) {
      return '<a href="'+url+'">'+url+'</a>';
    }).replace(/\B@([_a-z0-9]+)/ig, function(reply) {
      return  reply.charAt(0)+'<a href="http://twitter.com/'+reply.substring(1)+'">'+reply.substring(1)+'</a>';
    });
    statusHTML.push('<li style="color:#fff; height:200px; width:250px; margin-left:-12px;"><span>'+status+'</span> <a style="font-size:65%; color:#7F7F7F;" href="http://twitter.com/'+username+'/statuses/'+twitters[i].id_str+'">'+relative_time(twitters[i].created_at)+'</a></li>');
  }
  document.getElementById('twitter_update_list').innerHTML = statusHTML.join('');
}

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);

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