/*!
 * Color mode toggler for Bootstrap's docs (https://getbootstrap.com/)
 * Copyright 2011-2023 The Bootstrap Authors
 * Modified by Adam Goldsmith
 * Licensed under the Creative Commons Attribution 3.0 Unported License.
 */

(() => {
  "use strict";

  const getStoredTheme = () => localStorage.getItem("theme");
  const setStoredTheme = (theme) => localStorage.setItem("theme", theme);

  const getPreferredTheme = () => {
    const storedTheme = getStoredTheme();
    if (storedTheme) {
      return storedTheme;
    }

    return window.matchMedia("(prefers-color-scheme: dark)").matches
      ? "dark"
      : "light";
  };

  const setTheme = (theme) => {
    if (
      theme === "auto" &&
      window.matchMedia("(prefers-color-scheme: dark)").matches
    ) {
      document.documentElement.setAttribute("data-bs-theme", "dark");
    } else {
      document.documentElement.setAttribute("data-bs-theme", theme);
    }
  };

  setTheme(getPreferredTheme());

  const showActiveTheme = (theme, focus = false) => {
    const themeSwitcher = document.querySelector("#bd-theme");

    if (!themeSwitcher) {
      return;
    }

    const themeSwitcherText = document.querySelector("#bd-theme-text");
    const activeThemeIcon = document.querySelector(".theme-icon-active");
    const btnToActive = document.querySelector(
      `[data-bs-theme-value="${theme}"]`,
    );
    const activeIcon = [
      ...btnToActive.querySelector(".theme-icon").classList,
    ].find((c) => c.startsWith("bi-"));

    document.querySelectorAll("[data-bs-theme-value]").forEach((element) => {
      element.classList.remove("active");
      element.setAttribute("aria-pressed", "false");
    });

    btnToActive.classList.add("active");
    btnToActive.setAttribute("aria-pressed", "true");
    [...activeThemeIcon.classList]
      .filter((c) => c.startsWith("bi-"))
      .forEach((icon) => activeThemeIcon.classList.remove(icon));
    activeThemeIcon.classList.add(activeIcon);
    const themeSwitcherLabel = `${themeSwitcherText.textContent} (${btnToActive.dataset.bsThemeValue})`;
    themeSwitcher.setAttribute("aria-label", themeSwitcherLabel);

    if (focus) {
      themeSwitcher.focus();
    }
  };

  window
    .matchMedia("(prefers-color-scheme: dark)")
    .addEventListener("change", () => {
      const storedTheme = getStoredTheme();
      if (storedTheme !== "light" && storedTheme !== "dark") {
        setTheme(getPreferredTheme());
      }
    });

  window.addEventListener("DOMContentLoaded", () => {
	console.log(getPreferredTheme());
    showActiveTheme(getPreferredTheme());

    document.querySelectorAll("[data-bs-theme-value]").forEach((toggle) => {
      toggle.addEventListener("click", () => {
        const theme = toggle.getAttribute("data-bs-theme-value");
        setStoredTheme(theme);
        setTheme(theme);
        showActiveTheme(theme, true);
      });
    });
  });
})();