module.exports.imagify = function(url, channel) {
  console.log(url);
  $.ajax({
  		type: 'HEAD',
  		url: url,
  		complete: function(xhr) {
        var type = xhr.getResponseHeader('Content-Type')
  			var size = xhr.getResponseHeader('Content-Length');
        console.log(type);
        console.log(size);
        if (size < 10000000) {
          $("[data-img='"+url+"']").append("("+humanize(size)+")");
          $("[data-img='"+url+"']").append("<p class='chat-line'><img src="+url+" onload=scrollToTop('"+channel+"')></p>");
          $("[data-img='"+url+"']").removeClass("loading");

        }

  		}
  	});

    return "<div data-img='"+url+"' class='ui image loading'></div>";

}

humanize = function(size) {
	var units = ['bytes', 'kB', 'MB', 'GB', 'TB', 'PB'];
	var ord = Math.floor(Math.log(size) / Math.log(1000));
	var s = Math.round((size / Math.pow(1000, ord)) * 100) / 100;
	return s + ' ' + units[ord];
}