// Test for font-feature-settings support
Modernizr.addTest('fontfeaturesettings',function(){
  var div = document.createElement('div'), contains;
  if ('fontFeatureSettings' in div.style) return true;
  'Webkit Moz O ms Khtml'.replace(/([A-Za-z]*)/g,function(val){
    if (val+'FontFeatureSettings' in div.style) contains = true;
  });
  return contains;
});

$(document).ready(function() {
  
  function filterPath(string) {
  return string
    .replace(/^\//,'')
    .replace(/(index|default).[a-zA-Z]{3,4}$/,'')
    .replace(/\/$/,'');
  }
  var locationPath = filterPath(location.pathname);
  var scrollElem = scrollableElement('html', 'body');

  $('a[href*=#]').each(function() {
    var thisPath = filterPath(this.pathname) || locationPath;
    if (  locationPath == thisPath
    && (location.hostname == this.hostname || !this.hostname)
    && this.hash.replace(/#/,'') ) {
      var $target = $(this.hash), target = this.hash;
      if (target) {
        var targetOffset = $target.offset().top;
        $(this).click(function(event) {
          event.preventDefault();
          $(scrollElem).animate({scrollTop: targetOffset}, 400, function() {
            location.hash = target;
          });
        });
      }
    }
  });

  // use the first element that is "scrollable"
  function scrollableElement(els) {
    for (var i = 0, argLength = arguments.length; i <argLength; i++) {
      var el = arguments[i],
          $scrollElement = $(el);
      if ($scrollElement.scrollTop()> 0) {
        return el;
      } else {
        $scrollElement.scrollTop(1);
        var isScrollable = $scrollElement.scrollTop()> 0;
        $scrollElement.scrollTop(0);
        if (isScrollable) {
          return el;
        }
      }
    }
    return [];
  }
  
  
  
  $('.read-more').each(function(){
    var 
      self = $(this),
      $excerpt = self.find('p:eq(0)'),
      $content = self.find('p:gt(0):not(".url")');
      
    self.append('<div class="full-description" style="display:none;"/>');    
    
    var $description = self.find('.full-description');
    $description
      .append($content)
      .before('<p class="toggle-excerpt"><a href="#">Read more</a></p>');
   
   self.append(self.find('.url'));
   
  });
  
  $('.toggle-excerpt a').live('click', function(e){
    var 
      self = $(this),
      $description = $('.full-description', self.parents('li')),
      visibility = $description.is(':visible');

    e.preventDefault();  
    $description.slideToggle();
    self.text(visibility ? "Read more" : "Read less");
  });

});