$(function(){
  var tweets;
  $.getJSON("http://www.twitter.com/statuses/user_timeline/jethrolarson.json?count=10&callback=?",
    function(data){
      var t = this;
      tweets = data;
      loadTweet(0);
    }
  );
  function loadTweet(i){
    if(tweets){
      $("#tweetContent").text(tweets[i].text);
      $("#tweetDate").attr("href","https://twitter.com/jethrolarson/status/"+tweets[i].id)
        .text(relative_time(tweets[i].created_at));
    }
  }
  $("#tweet").ajaxError(function(){$(this).append("Twitter failed loading");});
  
  $(".tooltip").zenTooltip();
});
//TODO only run this code on iphone
$(window).load(function(){
	setTimeout(function loaded() {
		$("#header").find("h1").show();
		window.scrollTo(0, 0); // pan to the bottom, hides the location bar
	}, 1);
});



// function from http://remysharp.com/2007/05/18/add-twitter-to-your-blog-step-by-step/
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 = 'less than a minute ago';
  } else if(delta < 120) {
      r = 'about a minute ago';
  } else if(delta < (45*60)) {
      r = (parseInt(delta / 60)).toString() + ' minutes ago';
  } else if(delta < (2*90*60)) { // 2* because sometimes read 1 hours ago
      r = 'about an hour ago';
  } else if(delta < (24*60*60)) {
      r = 'about ' + (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;
}