(function () {
  function initEventCarousel(carousel) {
    var slides = Array.prototype.slice.call(carousel.querySelectorAll('[data-event-slide]'));
    var dots = Array.prototype.slice.call(carousel.querySelectorAll('[data-event-dot]'));

    if (!slides.length || slides.length !== dots.length) return;

    function showSlide(index, focusDot) {
      slides.forEach(function (slide, slideIndex) {
        var isActive = slideIndex === index;
        slide.classList.toggle('active', isActive);
        slide.setAttribute('aria-hidden', isActive ? 'false' : 'true');
      });

      dots.forEach(function (dot, dotIndex) {
        var isActive = dotIndex === index;
        dot.classList.toggle('active', isActive);
        dot.setAttribute('aria-selected', isActive ? 'true' : 'false');
        dot.setAttribute('tabindex', isActive ? '0' : '-1');
      });

      if (focusDot) dots[index].focus();
    }

    dots.forEach(function (dot, index) {
      dot.addEventListener('click', function () {
        showSlide(index, false);
      });

      dot.addEventListener('keydown', function (event) {
        var nextIndex = index;
        if (event.key === 'ArrowRight' || event.key === 'ArrowDown') nextIndex = (index + 1) % dots.length;
        if (event.key === 'ArrowLeft' || event.key === 'ArrowUp') nextIndex = (index - 1 + dots.length) % dots.length;
        if (event.key === 'Home') nextIndex = 0;
        if (event.key === 'End') nextIndex = dots.length - 1;
        if (nextIndex === index) return;
        event.preventDefault();
        showSlide(nextIndex, true);
      });
    });

    showSlide(0, false);
  }

  document.querySelectorAll('[data-event-carousel]').forEach(initEventCarousel);

  function initCookieConsent() {
    var notice = document.querySelector('[data-cookie-notice]');
    var form = document.querySelector('[data-cookie-consent-form]');

    if (!notice || !form || !window.fetch) return;

    form.addEventListener('submit', function (event) {
      var button = form.querySelector('button[type="submit"]');
      var returnField = form.querySelector('input[name="return_url"]');
      var requestBody = 'action=accept&ajax=1&return_url=' + encodeURIComponent(window.location.href);

      event.preventDefault();
      if (returnField) returnField.value = window.location.href;
      if (button) button.disabled = true;

      fetch(form.action, { method: 'POST', body: requestBody, credentials: 'same-origin', cache: 'no-store', headers: { 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8', 'X-Requested-With': 'XMLHttpRequest' } })
        .then(function (response) {
          if (!response.ok) throw new Error('Cookie consent request failed');
          return response.json();
        })
        .then(function (result) {
          if (!result || result.ok !== true) throw new Error('Cookie consent was not saved');
          notice.hidden = true;
        })
        .catch(function () {
          form.submit();
        });
    });
  }

  initCookieConsent();
}());