$(function() {

	/* Set columns on the home page to the same height */
    equalHeight($("#content-main, #content-sub"));

	// Shelf
	$('.post-header, #site-info').append("<span></span>")
	
	//display Flickr JSON feed
	jQuery.getJSON("http://api.flickr.com/services/feeds/photos_public.gne?ids=24423244@N06&lang=en-us&format=json&jsoncallback=?", function(data){
		jQuery.each(data.items, function(index, item){
		jQuery("<img/>").attr("src", item.media.m).appendTo(".flickrfeed").wrap("<a href='" + item.link + "'></a>");
		});
	});

	var username = 'csskarma';
	$.getScript('http://twitter.com/statuses/user_timeline/' + username + '.json?callback=twitterCallback2&count=1');

});

/* Equal height columns */
function equalHeight(group) {
	tallest = 0;
	group.each(function() {
		thisHeight = $(this).height();
		if(thisHeight > tallest) {
			tallest = thisHeight;
		}
	});
	group.height(tallest);
}

function twitterCallback2(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('<p>&ldquo;'+status+'&rdquo; &ndash; <small>'+relative_time(twitters[i].created_at)+'</small></p>');
  }
  
  $('.loading').fadeOut(750, function() {
		 $('#twitter_div').append($(statusHTML.join('')).hide().fadeIn(750));									
  });
  
  document.getElementById('twitter_div').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';
  }
}