// default config
var twitterWidgetOptions;
var twitterWidgetSettings = {
  searchTerm: "from:raytheoncompany",
  tweetCount: 10,
  jScrollPane: true
}

$(document).ready(function(){
  if ( typeof(twitterWidgetOptions) != 'undefined' ) {
    jQuery.extend(twitterWidgetSettings, twitterWidgetOptions);
  }
  var fileref = document.createElement('script');
  fileref.setAttribute("type","text/javascript");
  fileref.setAttribute("src", "http://search.twitter.com/search.json?q="+twitterWidgetSettings.searchTerm+"&callback=TweetTick&rpp="+twitterWidgetSettings.tweetCount);
  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="user"><b><a href="http://twitter.com/'+this.from_user+'" target ="_blank">'+this.from_user+'</b></a></div><div class="txt">' + formatTwitString(this.text) + '</div><div class="time">'+relativeTime(this.created_at)+'</div></div>';
    container.append(str);
  });

  if (twitterWidgetSettings.jScrollPane) { 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 "Just now";
  if(difference <= 20)          return "Seconds ago";
  if(difference <= 60)          return "A minute ago";
  if(difference < 3600)         return parseInt(difference/60)+" minutes ago";
  if(difference <= 1.5*3600)        return "One hour ago";
  if(difference < 23.5*3600)        return Math.round(difference/3600)+" hours ago";
  if(difference < 1.5*24*3600)  return "One day ago";

  var dateArr = pastTime.split(' ');
  return dateArr[4].replace(/\:\d+$/,'')+' '+dateArr[2]+' '+dateArr[1]+(dateArr[3]!=curDate.getFullYear()?' '+dateArr[3]:'');
}