var tweetUsers = ['jctransito'];
var buildString = "";

$(document).ready(function(){

  $('#twitter-ticker').slideDown('slow');
  
  for(var i=0;i<tweetUsers.length;i++)
  {
    if(i!=0) buildString+='+OR+';
    buildString+='from:'+tweetUsers[i];
  }
  
  var fileref = document.createElement('script');
  
  fileref.setAttribute("type","text/javascript");
  fileref.setAttribute("src", "http://search.twitter.com/search.json?q="+buildString+"&callback=TweetTick&rpp=50");
  
  document.getElementsByTagName("head")[0].appendChild(fileref);
  
});

function TweetTick(ob)
{
  var container=$('#tweet-container');
  container.html('');
  
  $(ob.results).each(function(el){
  
    var str = '  <div class="tweet">\
          \
          <div class="avatar"><a href="http://twitter.com/'+this.from_user+'" target="_blank"><img src="'+this.profile_image_url+'" alt="'+this.from_user+'" /></a></div>\
          <div class="user"><a href="http://twitter.com/'+this.from_user+'" target="_blank">'+this.from_user+'</a></div>\
          <div class="time">'+relativeTime(this.created_at)+'</div>\
          <div class="txt">'+formatTwitString(this.text)+'</div>\
          </div>';
    
    container.append(str);
  
  });
  
  container.jScrollPane();
}

function formatTwitString(str)
{
  str=' '+str;
  str = str.replace(/((ftp|https?):\/\/([-\w\.]+)+(:\d+)?(\/([\w/_\.]*(\?\S+)?)?)?)/gm,'<a href="$1" target="_blank">$1</a>');
  str = str.replace(/([^\w])\@([\w\-]+)/gm,'$1@<a href="http://twitter.com/$2" target="_blank">$2</a>');
  str = str.replace(/([^\w])\#([\w\-]+)/gm,'$1<a href="http://twitter.com/search?q=%23$2" target="_blank">#$2</a>');
  return str;
}

function relativeTime(pastTime)
{  
  var origStamp = Date.parse(pastTime);
  var curDate = new Date();
  var currentStamp = curDate.getTime();
  
  var difference = parseInt((currentStamp - origStamp)/1000);

  if(difference < 0) return false;

  if(difference <= 5)        return "Agorinha";
  if(difference <= 20)      return "Segundos atrás";
  if(difference <= 60)      return "Minutos atrás";
  if(difference < 3600)      return parseInt(difference/60)+" minutos atrás";
  if(difference <= 1.5*3600)     return "Uma hora atrás";
  if(difference < 23.5*3600)    return Math.round(difference/3600)+" horas atrás";
  if(difference < 1.5*24*3600)  return "Ontem";
  
  var dateArr = pastTime.split(' ');
  return dateArr[4].replace(/\:\d+$/,'')+' '+dateArr[2]+' '+dateArr[1]+(dateArr[3]!=curDate.getFullYear()?' '+dateArr[3]:'');
}