var initLandingpage = function() {
  var heightLpNavbar = $('.m-landingpage_navigation').height();
  var offsetLpNavbar = $('.m-landingpage_navigation').position().top;

  var headerHeight = 60;
  if ($('.o-header--lite').length) {
      headerHeight = 105;
  }

  // ## Sticky Navbar
  $('.landingpage_navigation-navbar').affix({
    offset: {
      top: offsetLpNavbar
    }
  });

  // ## Change Hashtag on scroll
  $('body').scrollspy({
      target: '.landingpage_navigation-navbar',
      offset: heightLpNavbar + headerHeight
  });

  $('body').on('activate.bs.scrollspy', function (event) {
    var curActiveLabel = $.trim($('.m-landingpage_navigation .navbar.lp-navbar .nav.navbar-nav li.active').eq(0).find('a').text());
    var target = $("a.marker[href^='#']", event.target);
    if (target.length > 0) {
      $('.m-landingpage_navigation .navbar.lp-navbar .navbar-lp-active span').html(curActiveLabel);
      history.replaceState({}, "", target.attr("href"));
    }
  });

  // ## Click on inpage navigation
  $('.m-landingpage_navigation .navbar-nav a.marker[href^="#"]').on('click', function (event) {
    event.preventDefault();
    var section = $(this.hash);

    if (section.length) {
      $('html, body').animate({
        scrollTop: section.offset().top - headerHeight - 20
      }, 500);
    }

    // close mobile navigation
    if ($(window).width() < 991) {
      $('.m-landingpage_navigation .navbar.lp-navbar .navbar-toggle').trigger('click');
    }
  });

  // ## Jump to section on page load if there's a Hashtag
  if (location.hash) {
    var activated_link = $('.m-landingpage_navigation .navbar-nav a[href="' + location.hash + '"]');
    // console.dir(activated_link);
    $(activated_link).trigger('click');
  }
};

$(function() {
    if ($('.m-landingpage_navigation').length && $('.m-landingpage_navigation').height) {
        if ($('#header + .o-videostage').length) {
            setTimeout(function(){
                initLandingpage();
            }, 2000);
        }
        else {
            initLandingpage();
        }
    }
});