/**
 * Theme Skin Js
 */

(function () {
  // Sticky Header
  function ai-magazine_header_sticky() {
    const stickyHeader = document.querySelector(".op-header-sticky");
    const scrollPosition = document.documentElement.scrollTop;

    if (stickyHeader) {
      document.body.classList.toggle(
        "header-sticky-active",
        scrollPosition > 300
      );
    }
  }

  // Bottom To Top Scroll.
  function ai-magazine_to_top_scroll() {
    const toTopBtn = document.querySelector(".op-scroll-to-top");
    let scrollPos = document.documentElement.scrollTop;
    const progressColor = "var(--wp--preset--color--primary)";

    let scrollHeight = document.documentElement.scrollHeight;
    let clientHeight = document.documentElement.clientHeight;

    let scrollCalc = scrollHeight - clientHeight;

    let scrollValue = Math.round((scrollPos * 100) / scrollCalc);

    if (scrollPos > 300) {
      toTopBtn.classList.add("show-to-top-btn");
    } else {
      toTopBtn.classList.remove("show-to-top-btn");
    }

    toTopBtn.addEventListener("click", () => {
      document.documentElement.scrollTop = 0;
    });

    toTopBtn.style.background = `conic-gradient(${progressColor} ${scrollValue}%, transparent ${scrollValue}%)`;
  }

  window.addEventListener("scroll", function () {
    ai-magazine_header_sticky();
    ai-magazine_to_top_scroll();
  });
})();