( () => {
  const header = document.querySelector("#header");

  const basketInfo = document.querySelector("#basketinfo");
  const basketContent = document.querySelector(".vc-basketinfoextended-content");
  const itemCountBasket = parseInt(document.querySelector(".vc-basketinfoextended-numberofitems")?.textContent) || 0;

  if (basketInfo && basketContent && basketContent.children.length === 0 && itemCountBasket > 0) {
    const headerLink = basketInfo.querySelector('.vc-basketinfoextended-header');
    if (headerLink) {
      headerLink.dispatchEvent(new MouseEvent('mouseover', { bubbles: true }));
      headerLink.dispatchEvent(new MouseEvent('mouseenter', { bubbles: true }));
    }
  }

  const logoEl = header.querySelector(".vc-headerlogo img");
  const logo = {
    src: logoEl ? logoEl.getAttribute("src") : '',
    alt: logoEl ? logoEl.getAttribute("alt") : '',
  };

  const customContentBlock = header.querySelector(".custom-content-block.custom-content-header-1 > .content");
  const customContentHeader = customContentBlock ? customContentBlock.innerHTML : '';

  function extractMenuTree(ulElement) {
    if (!ulElement) return [];
    const listItems = Array.from(ulElement.children).filter(el => el.tagName === 'LI');
    return listItems.map(li => {
      const link = li.querySelector(":scope > a");
      const itemData = {
        text: link ? link.textContent.trim() : '',
        href: link ? link.getAttribute("href") : ''
      };
      const subMenu = li.querySelector(":scope > ul[role='menu']");
      if (subMenu) {
        itemData.sublinks = extractMenuTree(subMenu);
      }
      return itemData;
    });
  }

  const rootMenu = header.querySelector("#menu #menucategories nav ul[role='menu']");
  const menuData = extractMenuTree(rootMenu);

  const menuTop = header.querySelector("#menutop ul[role='menu']");
  const menuTopData = menuTop ? Array.from(menuTop.querySelectorAll("li > a")).map(link => ({
    text: link.textContent.trim(),
    href: link.getAttribute("href")
  })) : [];

  const searchForm = header.querySelector("#frm-searchbox");
  const searchAction = searchForm ? searchForm.getAttribute("action") : "/hledani";

  const userMenuNodes = header.querySelectorAll("#menuuser .content ul li a");
  const userMenu = Array.from(userMenuNodes).map(a => ({
      text: a.textContent.trim(),
      href: a.getAttribute("href")
  }));

  const basketPrice = header.querySelector("#basketinfo .vc-basketinfoextended-price")?.textContent.trim() || '';
  const basketLink = header.querySelector("#basketinfo .vc-basketinfoextended-header")?.getAttribute("href") || '/kosik';

  // Extract the newly populated items
  const basketItemsNodes = header.querySelectorAll(".vc-basketinfoextended-item");
  const basketItems = Array.from(basketItemsNodes).map(item => {
      const img = item.querySelector("img");
      const link = item.querySelector(".vc-basketinfoextended-item-namewrapper p a");
      const qty = item.querySelector(".quantity");
      const price = item.querySelector(".vc-basketinfoextended-item-price");
      const remove = item.querySelector(".removeBasketItemLink");

      return {
          imgSrc: img ? (img.getAttribute("data-src") || img.getAttribute("src")) : "",
          imgAlt: img ? img.getAttribute("alt") : "",
          name: link ? link.textContent.trim() : "",
          href: link ? link.getAttribute("href") : "",
          qty: qty ? qty.textContent.trim() : "",
          price: price ? price.textContent.trim() : "",
          removeLink: remove ? remove.getAttribute("href") : ""
      };
  });

  const freeDeliveryNode = header.querySelector(".ndBasketFreeDelivery_basketpopup p");
  const freeDeliveryText = freeDeliveryNode ? freeDeliveryNode.textContent.trim() : "";

  const finalData = {
    logo,
    customContentHeader,
    searchAction,
    userMenu,
    menu: {
      top: menuTopData,
      main: menuData
    },
    basket: {
      itemCount: itemCountBasket,
      price: basketPrice,
      link: basketLink,
      items: basketItems,
      freeDelivery: freeDeliveryText
    }
  };

  return finalData;
})();