(($) => {
  'use strict';

  // adapt header to height
  function adaptHeight () {
    var height = $('.top-header').innerHeight();
    if ($('header').offset().top > 10) {
      $('.top-header').addClass('hide');
      $('.navigation').addClass('nav-bg');
      $('.navigation').css('margin-top','-'+height+'px');
    } else {
      $('.top-header').removeClass('hide');
      if ( !$('#top-banner').length) {
        $('.navigation').removeClass('nav-bg');
      }
      $('.navigation').css('margin-top','-'+0+'px');
    }
  }

  // load scripts
  $(window).on('load', () => {
    $('.preloader').fadeOut(100);
    adaptHeight();
    if ($('#top-banner').length) {
      $('.navigation').addClass('nav-bg');
      $('.hero-section').addClass('hs-banner');
      $('.page-title-section').addClass('pts-banner');
    } else {
      $('.hero-section').removeClass('hs-banner');
      $('.page-title-section').removeClass('pts-banner');
    }
  });

  // sticky menu
  $(window).scroll(adaptHeight);

  // hero slider
  $('.hero-slider').slick({
    autoplay: true,
    autoplaySpeed: 5000,
    pauseOnFocus: false,
    pauseOnHover: true,
    infinite: true,
    arrows: true,
    prevArrow: '<button type=\'button\' class=\'prevArrow\'><svg xmlns="http://www.w3.org/2000/svg" id="mdi-chevron-left" class="arrowIcon" viewBox="0 0 24 24" height="1em" width="1em" fill="currentColor"><path d="M15.41,16.58L10.83,12L15.41,7.41L14,6L8,12L14,18L15.41,16.58Z" /></svg></button>',
    nextArrow: '<button type=\'button\' class=\'nextArrow\'><svg xmlns="http://www.w3.org/2000/svg" id="mdi-chevron-left" class="arrowIcon" viewBox="0 0 24 24" height="1em" width="1em" fill="currentColor"><path xmlns="http://www.w3.org/2000/svg" d="M8.59,16.58L13.17,12L8.59,7.41L10,6L16,12L10,18L8.59,16.58Z"/></svg></button>',
    dots: true
  });

  // venobox popup
  $(document).ready(() => {
    $('.vb-video').venobox({ spinner: 'grid' });
    $('.vb-gallery').venobox({
      selector: '.vb-gallery',
      numeration: true,
      infinigall: true,
      share: true,
      shareStyle: 'block',
      spinner: 'grid'
    });
  });

  // filter
  $(document).ready(() => {
    if ($('.filter-container').length != 0) {
      const shuffleInstance = new Shuffle($('.filter-container'), {
        itemSelector: '.filter-item',
        sizer: '.filter-sizer',
        delimiter: ','
      });
      $('.filter-controls li').on('click',() => {
        $('.filter-controls li').removeClass('active');
        $(this).addClass('active');
        shuffleInstance.filter($(this).data('filter'))
      });
    }
  });

  // counter
  $(window).on('scroll', () => {
    var oTop;
    if ($('.count').length !== 0) {
      oTop = $('.count').offset().top - window.innerHeight;
    }
    if ($(window).scrollTop() > oTop) {
      $('.count').each(() => {
        var $this = $(this), countTo = $this.attr('data-count');
        $({ countNum: $this.text() }).animate(
          { countNum: countTo },
          {
            duration: 1000,
            easing: 'swing',
            step: () => $this.text(Math.floor(this.countNum)),
            complete: () => $this.text(this.countNum)
          });
      });
    }
  });

  $(window).on('DOMContentLoaded', () => {
    if (window.PagefindUI != undefined) {
      new window.PagefindUI({
        element: "#search",
        translations: {
          placeholder: "Suchen...",
          zero_results: "Leider konnten keine Ergebnisse zu [SEARCH_TERM] gefunden werden",
          clear_search: "Löschen"
        }
      });
  
      $('#pagefind-search').on('shown.bs.modal', () => {
        $('.pagefind-ui__search-input').focus();
      });
    }
  });

  // enable matomo analytics
  var _paq = window._paq = window._paq || [];
  _paq.push(["setDoNotTrack", true]);
  _paq.push(["disableCookies"]);
  _paq.push(['trackPageView']);
  _paq.push(['enableLinkTracking']);
  (() => {
    var u="https://analytics.cantorgymnasium.de/";
    _paq.push(['setTrackerUrl', u+'matomo.php']);
    _paq.push(['setSiteId', '1']);
    var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
    g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s);
  })();

  new LazyLoad();
  
})(jQuery);