Team:Edinburgh OG/HP/Gold Integrated/JS:main

jQuery(document).ready(function($) {

 //update these values if you change these breakpoints in the style.css file (or _layout.scss if you use SASS)
 var MqM = 768,
   MqL = 1024;

 var faqsSections = $('.cd-faq-group'),
   faqTrigger = $('.cd-faq-trigger'),
   faqsContainer = $('.cd-faq-items'),
   faqsCategoriesContainer = $('.cd-faq-categories'),
   faqsCategories = faqsCategoriesContainer.find('a'),
   closeFaqsContainer = $('.cd-close-panel');

 //select a faq section 
 faqsCategories.on('click', function(event) {
   event.preventDefault();
   var selectedHref = $(this).attr('href'),
     target = $(selectedHref);
   if ($(window).width() < MqM) {
     faqsContainer.scrollTop(0).addClass('slide-in').children('ul').removeClass('selected').end().children(selectedHref).addClass('selected');
     closeFaqsContainer.addClass('move-left');
     $('body').addClass('cd-overlay');
   } else {
     $('body,html').animate({
       'scrollTop': target.offset().top - 19
     }, 200);
   }
 });

 //close faq lateral panel - mobile only
 $('body').bind('click touchstart', function(event) {
   if ($(event.target).is('body.cd-overlay') || $(event.target).is('.cd-close-panel')) {
     closePanel(event);
   }
 });
 faqsContainer.on('swiperight', function(event) {
   closePanel(event);
 });

 //show faq content clicking on faqTrigger
 faqTrigger.on('click', function(event) {
   event.preventDefault();
   $(this).next('.cd-faq-content').slideToggle(200).end().parent('li').toggleClass('content-visible');
 });

 //update category sidebar while scrolling
 $(window).on('scroll', function() {
   if ($(window).width() > MqL) {
     (!window.requestAnimationFrame) ? updateCategory(): window.requestAnimationFrame(updateCategory);
   }
 });

 $(window).on('resize', function() {
   if ($(window).width() <= MqL) {
     faqsCategoriesContainer.removeClass('is-fixed').css({
       '-moz-transform': 'translateY(0)',
       '-webkit-transform': 'translateY(0)',
       '-ms-transform': 'translateY(0)',
       '-o-transform': 'translateY(0)',
       'transform': 'translateY(0)',
     });
   }
   if (faqsCategoriesContainer.hasClass('is-fixed')) {
     faqsCategoriesContainer.css({
       'left': faqsContainer.offset().left,
     });
   }
 });

 function closePanel(e) {
   e.preventDefault();
   faqsContainer.removeClass('slide-in').find('li').show();
   closeFaqsContainer.removeClass('move-left');
   $('body').removeClass('cd-overlay');
 }

 function updateCategory() {
   updateCategoryPosition();
   updateSelectedCategory();
 }

 function updateCategoryPosition() {
   var top = $('.cd-faq').offset().top,
     height = jQuery('.cd-faq').height() - jQuery('.cd-faq-categories').height(),
     margin = 120;

console.log(faqsCategoriesContainer.offset().left);

   if (top - margin <= $(window).scrollTop() && top - margin + height > $(window).scrollTop()) {
     var leftValue = 0,
       widthValue = faqsCategoriesContainer.width();

     faqsCategoriesContainer.addClass('is-fixed').css({
       'left': leftValue,
       'top': margin,
       '-moz-transform': 'translateZ(0)',
       '-webkit-transform': 'translateZ(0)',
       '-ms-transform': 'translateZ(0)',
       '-o-transform': 'translateZ(0)',
       'transform': 'translateZ(0)',
     });
   } else if (top - margin + height <= $(window).scrollTop()) {
     var delta = top - margin + height - $(window).scrollTop();
     faqsCategoriesContainer.css({
       '-moz-transform': 'translateZ(0) translateY(' + delta + 'px)',
       '-webkit-transform': 'translateZ(0) translateY(' + delta + 'px)',
       '-ms-transform': 'translateZ(0) translateY(' + delta + 'px)',
       '-o-transform': 'translateZ(0) translateY(' + delta + 'px)',
       'transform': 'translateZ(0) translateY(' + delta + 'px)',
     });
   } else {
     faqsCategoriesContainer.removeClass('is-fixed').css({
       'left': -220,
       'top': 0,
     });
   }
 }

 function updateSelectedCategory() {
   faqsSections.each(function() {
     var actual = $(this),
       margin = parseInt($('.cd-faq-title').eq(1).css('marginTop').replace('px', )),
       activeCategory = $('.cd-faq-categories a[href="#' + actual.attr('id') + '"]'),
       topSection = (activeCategory.parent('li').is(':first-child')) ? 0 : Math.round(actual.offset().top);

     if ((topSection - 20 <= $(window).scrollTop()) && (Math.round(actual.offset().top) + actual.height() + margin - 20 > $(window).scrollTop())) {
       activeCategory.addClass('selected');
     } else {
       activeCategory.removeClass('selected');
     }
   });
 }

});