"use strict";

let has_process_run_at_least_once = false;
let old_transition = "";
let has_background_img_url = false;

const darkify_disallowed_low_brightness_images_arr = darkify_disallowed_low_brightness_images.trim().length > 0 ? darkify_disallowed_low_brightness_images.split(",") : [];
const darkify_disallowed_grayscale_images_arr = darkify_disallowed_grayscale_images.trim().length > 0 ? darkify_disallowed_grayscale_images.split(",") : [];

let darken_level = parseInt(darkify_bg_image_darken_to) / 100;
darken_level = darken_level.toFixed(1);

const darkify_invert_images_allowed_urls_arr = JSON.parse(darkify_invert_images_allowed_urls.replaceAll("&", "&").replaceAll(""", "\""));
const darkify_image_replacements_arr = JSON.parse(darkify_image_replacements.replaceAll("&", "&").replaceAll(""", "\""));
const darkify_video_replacements_arr = JSON.parse(darkify_video_replacements.replaceAll("&", "&").replaceAll(""", "\""));

let darkify_secondary_bg_color = "";

darkify_init_keyboard_shortcut_listener();
darkify_init_os_mode_change_listener();

const darkify_observer = new MutationObserver(function (mutationsList) {
  darkify_init_processes();
});

const elements_class_changed = new MutationObserver(mutationsList => {
  if (document.readyState !== "loading") {
    mutationsList.forEach(mutation => {
      const target = mutation.target;

      if (target.classList.contains("darkify_processed")) {
        if (!target.hasAttribute("data-darkify_preserved_classes")) {
          target.dataset.darkify_preserved_classes = target.classList.toString();
        } else {
          if (target.dataset.darkify_preserved_classes === target.classList.toString()) {
            return;
          }
        }

        target.dataset.darkify_preserved_classes = target.classList.toString();
        elements_class_changed.disconnect();
        target.classList.remove("darkify_processed");
        darkify_process_element(target);

        document.querySelectorAll("*:not(head, title, link, meta, script, style, defs, filter)").forEach(element => {
          elements_class_changed.observe(element, {
            attributes: true,
            attributeFilter: ["class"]
          });
        });
      }
    });
  }
});

const dark_mode_status_changed = new MutationObserver(mutationsList => {
  mutationsList.forEach(mutation => {
    if (mutation.type === "attributes" && mutation.attributeName === "class") {
      document.querySelectorAll("*:not(head, title, link, meta, script, style, defs, filter)").forEach(element => {
        if (element.classList.contains("darkify_processed")) {
          if (darkify_allowed_elements_raw.length > 0 && element.matches(darkify_allowed_elements_raw) && darkify_allowed_elements_force_to_correct === "1") {
            darkify_elements_force_to_correct(element);
          }
          if (darkify_disallowed_elements_raw.length > 0 && element.matches(darkify_disallowed_elements_raw) && darkify_disallowed_elements_force_to_correct === "1") {
            darkify_elements_force_to_correct(element);
          }
          if (darkify_allowed_elements.length > 0 && !element.matches(darkify_allowed_elements)) {
            return;
          }
          if (darkify_disallowed_elements.length > 0 && element.matches(darkify_disallowed_elements)) {
            return;
          }
          if (darkify_enable_bg_image_darken === "1") {
            darkify_darken_bg_image(element, darken_level);
          }
          if ((darkify_enable_low_image_brightness === "1" || darkify_enable_image_grayscale === "1") && element.nodeName.toLowerCase() === "img") {
            darkify_img_brightness_and_grayscale(element);
          }
          if (darkify_enable_invert_images === "1" && darkify_invert_images_allowed_urls_arr.length > 0) {
            darkify_invert_image(element);
          }
          if (darkify_image_replacements_arr.length > 0) {
            darkify_replace_image(element, darkify_image_replacements_arr);
          }
          if (darkify_enable_invert_inline_svg === "1" && element.nodeName.toLowerCase() === "svg") {
            darkify_invert_inline_svg(element);
          }
          if (darkify_enable_low_video_brightness === "1" || darkify_enable_video_grayscale === "1") {
            if (element.nodeName.toLowerCase() === "video") {
              darkify_video_brightness_and_grayscale(element);
            }
            if (element.nodeName.toLowerCase() === "iframe" && element.getAttribute("src") != null) {
              const srcAttribute = element.getAttribute("src");
              if (srcAttribute.includes("youtube") || srcAttribute.includes("vimeo") || srcAttribute.includes("dailymotion")) {
                darkify_video_brightness_and_grayscale(element);
              }
            }
          }
          if (darkify_video_replacements_arr.length > 0) {
            if (element.nodeName.toLowerCase() === "video") {
              darkify_replace_video(element, darkify_video_replacements_arr);
            }
            if (element.nodeName.toLowerCase() === "iframe" && element.getAttribute("src") != null) {
              const srcAttribute = element.getAttribute("src");
              if (srcAttribute.includes("youtube") || srcAttribute.includes("vimeo") || srcAttribute.includes("dailymotion")) {
                darkify_replace_video(element, darkify_video_replacements_arr);
              }
            }
          }
          if (element.hasAttribute("data-darkify_alpha_bg")) {
            darkify_fix_background_color_alpha(element);
          }
        }
      });
    }
  });
});

function darkify_change_state() {
  if (darkify_is_this_admin_panel === "1") {
    localStorage.darkify_admin_panel_last_state = document.getElementsByTagName("html")[0].classList.contains("darkify_dark_mode_enabled") ? "1" : "0";
  } else {
    localStorage.darkify_last_state = document.getElementsByTagName("html")[0].classList.contains("darkify_dark_mode_enabled") ? "1" : "0";
  }
}

function darkify_switch_trigger() {
  if (!has_process_run_at_least_once) {
    darkify_init_processes();
    darkify_init_observer();
  }

  const htmlElement = document.getElementsByTagName("html")[0];

  if (htmlElement.classList.contains("darkify_dark_mode_enabled")) {
    htmlElement.classList.remove("darkify_dark_mode_enabled");
  } else {
    htmlElement.classList.add("darkify_dark_mode_enabled");
  }

  darkify_change_state();
}

function darkify_init_keyboard_shortcut_listener() {
  if (darkify_enable_keyboard_shortcut === "1") {
    document.onkeydown = function (event) {
      if (event.ctrlKey && event.altKey && event.keyCode === 0x44) {
        darkify_switch_trigger();
      }
    };
  }
}

function darkify_init_os_mode_change_listener() {
  if (darkify_is_this_admin_panel === "0" && darkify_enable_os_aware === "1") {
    window.matchMedia("(prefers-color-scheme: dark)").addEventListener("change", event => {
      const mode = event.matches ? "dark" : "light";
      const htmlElement = document.getElementsByTagName("html")[0];
      if (mode === "dark") {
        htmlElement.classList.add("darkify_dark_mode_enabled");
      } else if (mode === "light") {
        htmlElement.classList.remove("darkify_dark_mode_enabled");
      }

      darkify_change_state();
    });
  }
}

function darkify_init_draggable_floating_switch() {
  if (darkify_enable_switch_dragging === "1") {
    const switchElement = document.getElementById("darkify_switch_" + darkify_switch_unique_id);

    let topPosition = localStorage.darkify_draggable_switch_top || "not_set";
    let leftPosition = localStorage.darkify_draggable_switch_left || "not_set";

    let windowHeight = document.documentElement.clientHeight - switchElement.clientHeight;
    let windowWidth = document.documentElement.clientWidth - switchElement.clientWidth;

    if (topPosition !== "not_set" && leftPosition !== "not_set") {
      switchElement.style.bottom = "unset";
      switchElement.style.right = "unset";
      switchElement.style.top = topPosition + "px";
      switchElement.style.left = leftPosition + "px";
    }

    window.addEventListener("resize", event => {
      if (topPosition !== "not_set" && leftPosition !== "not_set") {
        windowHeight = document.documentElement.clientHeight - switchElement.clientHeight;
        windowWidth = document.documentElement.clientWidth - switchElement.clientWidth;

        if (switchElement.offsetLeft > windowWidth) {
          switchElement.style.left = windowWidth + "px";
        }

        if (switchElement.offsetTop > windowHeight) {
          switchElement.style.top = windowHeight + "px";
        }
      }
    });

    switchElement.onmousedown = function (mouseEvent) {
      mouseEvent = mouseEvent || window.event;
      mouseEvent.preventDefault();

      let startX = 0;
      let startY = 0;
      let offsetX = 0;
      let offsetY = 0;
      let newPositionTop = 0;
      let newPositionLeft = 0;

      startX = mouseEvent.clientX;
      startY = mouseEvent.clientY;

      document.onmouseup = function () {
        document.onmouseup = null;
        document.onmousemove = null;

        localStorage.darkify_draggable_switch_top = switchElement.offsetTop;
        localStorage.darkify_draggable_switch_left = switchElement.offsetLeft;
      };

      document.onmousemove = function (moveEvent) {
        moveEvent = moveEvent || window.event;
        moveEvent.preventDefault();

        offsetX = startX - moveEvent.clientX;
        offsetY = startY - moveEvent.clientY;

        startX = moveEvent.clientX;
        startY = moveEvent.clientY;

        newPositionTop = switchElement.offsetTop - offsetY;
        newPositionLeft = switchElement.offsetLeft - offsetX;

        if (
          newPositionTop <= windowHeight &&
          newPositionLeft <= windowWidth &&
          newPositionTop >= 0 &&
          newPositionLeft >= 0
        ) {
          switchElement.style.bottom = "unset";
          switchElement.style.right = "unset";
          switchElement.style.top = newPositionTop + "px";
          switchElement.style.left = newPositionLeft + "px";
        }
      };
    };
  }
}
function darkify_init_alternative_dark_mode_switch() {
  if (darkify_alternative_dark_mode_switch.length > 0) {
    const elements = document.querySelectorAll(darkify_alternative_dark_mode_switch);
    for (let i = 0; i < elements.length; i++) {
      const element = elements[i];
      element.addEventListener("click", () => {
        darkify_switch_trigger();
      });
    }
  }
}

function get_bg_color_to_preserve(element, fromDataset) {
  let color = window.getComputedStyle(element, null).backgroundColor;
  if (!fromDataset) {
    color = element.dataset.darkify_preserved_bg;
  }
  if (
    (color === "transparent" ||
      color === "rgba(0, 0, 0, 0)" ||
      color === "rgba(255,255,255,0)") &&
    element.parentNode.nodeType === 1
  ) {
    color = get_bg_color_to_preserve(element.parentNode, false);
  } else if (
    element.parentNode.nodeType === 1 &&
    element.parentNode.hasAttribute("data-darkify_preserved_bg") &&
    window.getComputedStyle(element.parentNode, null).backgroundColor === color
  ) {
    color = get_bg_color_to_preserve(element.parentNode, false);
  }
  return color;
}

function get_txt_color_to_preserve(element, fromDataset) {
  let color = window.getComputedStyle(element, null).color;
  if (!fromDataset) {
    color = element.dataset.darkify_preserved_color;
  }
  if (
    (color === "transparent" ||
      color === "rgba(0, 0, 0, 0)" ||
      color === "rgba(255,255,255,0)") &&
    element.parentNode.nodeType === 1
  ) {
    color = get_txt_color_to_preserve(element.parentNode, false);
  } else if (
    element.parentNode.nodeType === 1 &&
    element.parentNode.hasAttribute("data-darkify_preserved_color") &&
    window.getComputedStyle(element.parentNode, null).color === color
  ) {
    color = get_txt_color_to_preserve(element.parentNode, false);
  }
  return color;
}

function darkify_darken_bg_image(element, level) {
  if (document.getElementsByTagName("html")[0].classList.contains("darkify_dark_mode_enabled")) {
    if (
      window.getComputedStyle(element, null).backgroundImage !== "none" &&
      window.getComputedStyle(element, null).backgroundImage.includes("url") &&
      !window.getComputedStyle(element, null).backgroundImage.includes("rgba(0, 0, 0, " + level + ")")
    ) {
      element.style.setProperty(
        "background-image",
        "linear-gradient(rgba(0, 0, 0, " + level + "), rgba(0, 0, 0, " + level + ")), " +
        window.getComputedStyle(element, null).backgroundImage
      );
    }
  } else if (
    window.getComputedStyle(element, null).backgroundImage !== "none" &&
    window.getComputedStyle(element, null).backgroundImage.includes("rgba(0, 0, 0, " + level + ")")
  ) {
    element.style.setProperty(
      "background-image",
      window.getComputedStyle(element, null).backgroundImage.replace(
        "linear-gradient(rgba(0, 0, 0, " + level + "), rgba(0, 0, 0, " + level + ")), ",
        ""
      )
    );
  }
}

function darkify_img_is_disallowed_for_brightness_and_grayscale(element, type) {
  if (type === "brightness") {
    if (darkify_disallowed_low_brightness_images_arr.length > 0) {
      for (let i = 0; i < darkify_disallowed_low_brightness_images_arr.length; i++) {
        if (darkify_disallowed_low_brightness_images_arr[i].trim().length > 0) {
          const url = darkify_disallowed_low_brightness_images_arr[i];
          const pathname = new URL(url).pathname;

          if (element.getAttribute("src") != null && element.getAttribute("src").includes(pathname)) {
            return true;
          }

          if (
            element.getAttribute("srcset") != null &&
            element.getAttribute("srcset").includes(pathname)
          ) {
            return true;
          }
        }
      }
    }
  } else if (type === "grayscale") {
    if (darkify_disallowed_grayscale_images_arr.length > 0) {
      for (let i = 0; i < darkify_disallowed_grayscale_images_arr.length; i++) {
        if (darkify_disallowed_grayscale_images_arr[i].trim().length > 0) {
          const url = darkify_disallowed_grayscale_images_arr[i];
          const pathname = new URL(url).pathname;

          if (element.getAttribute("src") != null && element.getAttribute("src").includes(pathname)) {
            return true;
          }

          if (
            element.getAttribute("srcset") != null &&
            element.getAttribute("srcset").includes(pathname)
          ) {
            return true;
          }
        }
      }
    }
  }
  return false;
}
function darkify_img_brightness_and_grayscale(element) {
  var disallowedBrightness = darkify_img_is_disallowed_for_brightness_and_grayscale(element, "brightness");
  var disallowedGrayscale = darkify_img_is_disallowed_for_brightness_and_grayscale(element, "grayscale");

  if (document.getElementsByTagName("html")[0].classList.contains("darkify_dark_mode_enabled")) {
    if (!element.classList.contains("darkify_changed_brightness_and_grayscale")) {
      element.dataset.darkify_preserved_filter = element.style.filter;
      element.classList.add("darkify_changed_brightness_and_grayscale");

      if (
        darkify_enable_low_image_brightness === "1" &&
        darkify_enable_image_grayscale === "1" &&
        !disallowedBrightness &&
        !disallowedGrayscale
      ) {
        element.style.filter =
          "brightness(" +
          darkify_image_brightness_to +
          "%)" +
          " " +
          "grayscale(" +
          darkify_image_grayscale_to +
          "%)";
      } else {
        if (darkify_enable_low_image_brightness === "1" && !disallowedBrightness) {
          element.style.filter = "brightness(" + darkify_image_brightness_to + "%)";
        } else if (darkify_enable_image_grayscale === "1" && !disallowedGrayscale) {
          element.style.filter = "grayscale(" + darkify_image_grayscale_to + "%)";
        }
      }
    }
  } else if (element.classList.contains("darkify_changed_brightness_and_grayscale")) {
    element.style.filter = element.dataset.darkify_preserved_filter;
    element.classList.remove("darkify_changed_brightness_and_grayscale");
    delete element.dataset.darkify_preserved_filter;
  }
}

function darkify_invert_image(element) {
  if (document.getElementsByTagName("html")[0].classList.contains("darkify_dark_mode_enabled")) {
    if (
      element.getAttribute("src") != null ||
      element.getAttribute("srcset") != null ||
      window.getComputedStyle(element, null).backgroundImage != null
    ) {
      for (let i = 0; i < darkify_invert_images_allowed_urls_arr.length; i++) {
        const url = new URL(darkify_invert_images_allowed_urls_arr[i]).pathname;
        if (element.getAttribute("src") != null && element.getAttribute("src").includes(url)) {
          element.style.filter = "invert(1)";
          element.classList.add("darkify_inverted_image");
        }
        if (
          element.getAttribute("srcset") != null &&
          element.getAttribute("srcset").includes(url)
        ) {
          element.style.filter = "invert(1)";
          element.classList.add("darkify_inverted_image");
        }
        if (
          window.getComputedStyle(element, null).backgroundImage != null &&
          window.getComputedStyle(element, null).backgroundImage.includes(url)
        ) {
          element.style.filter = "invert(1)";
          element.classList.add("darkify_inverted_image");
        }
      }
    }
  } else if (element.classList.contains("darkify_inverted_image")) {
    element.style.filter = element.style.filter.replace("invert(1)", "");
    element.classList.remove("darkify_inverted_image");
  }
}

function darkify_replace_image(element, images) {
  if (document.getElementsByTagName("html")[0].classList.contains("darkify_dark_mode_enabled")) {
    for (let i = 0; i < images.length; i++) {
      const normalImage = images[i].normal_image;
      const normalImagePath = new URL(normalImage).pathname;
      const darkImage = images[i].dark_image;
      const darkImagePath = new URL(darkImage).pathname;

      if (element.getAttribute("src") != null && element.getAttribute("src").includes(normalImagePath)) {
        element.src = darkImage;
        element.classList.add("darkify_replaced_image");
      }
      if (
        element.getAttribute("srcset") != null &&
        element.getAttribute("srcset").includes(normalImagePath)
      ) {
        element.srcset = darkImage;
        element.classList.add("darkify_replaced_image");
      }
      if (
        window.getComputedStyle(element, null).backgroundImage != null &&
        window.getComputedStyle(element, null).backgroundImage.includes(normalImagePath)
      ) {
        element.style.backgroundImage = "url('" + darkImage + "')";
        element.classList.add("darkify_replaced_image");
      }
    }
  } else {
    if (element.classList.contains("darkify_replaced_image")) {
      for (let i = 0; i < images.length; i++) {
        const normalImage = images[i].normal_image;
        const normalImagePath = new URL(normalImage).pathname;
        const darkImage = images[i].dark_image;
        const darkImagePath = new URL(darkImage).pathname;

        if (element.getAttribute("src") != null && element.getAttribute("src").includes(darkImagePath)) {
          element.src = normalImage;
          element.classList.remove("darkify_replaced_image");
        }
        if (
          element.getAttribute("srcset") != null &&
          element.getAttribute("srcset").includes(darkImagePath)
        ) {
          element.srcset = normalImage;
          element.classList.remove("darkify_replaced_image");
        }
        if (
          window.getComputedStyle(element, null).backgroundImage != null &&
          window.getComputedStyle(element, null).backgroundImage.includes(darkImagePath)
        ) {
          element.style.backgroundImage = "url('" + normalImage + "')";
          element.classList.remove("darkify_replaced_image");
        }
      }
    }
  }
}
function darkify_invert_inline_svg(element) {
  if (document.getElementsByTagName("html")[0].classList.contains("darkify_dark_mode_enabled")) {
    element.style.filter = "invert(1)";
    element.classList.add("darkify_inverted_inline_svg");
  } else if (element.classList.contains("darkify_inverted_inline_svg")) {
    element.style.filter = element.style.filter.replace("invert(1)", "");
    element.classList.remove("darkify_inverted_inline_svg");
  }
}

function darkify_video_brightness_and_grayscale(element) {
  if (document.getElementsByTagName("html")[0].classList.contains("darkify_dark_mode_enabled")) {
    if (!element.classList.contains("darkify_changed_video_brightness_and_grayscale")) {
      element.dataset.darkify_preserved_filter = element.style.filter;
      element.classList.add("darkify_changed_video_brightness_and_grayscale");

      if (darkify_enable_low_video_brightness === "1" && darkify_enable_video_grayscale === "1") {
        element.style.filter =
          "brightness(" +
          darkifyVideoBrightnessTo +
          "%)" +
          " " +
          "grayscale(" +
          darkifyVideoGrayscaleTo +
          "%)";
      } else {
        if (darkify_enable_low_video_brightness === "1") {
          element.style.filter = "brightness(" + darkifyVideoBrightnessTo + "%)";
        } else if (darkify_enable_video_grayscale === "1") {
          element.style.filter = "grayscale(" + darkifyVideoGrayscaleTo + "%)";
        }
      }
    }
  } else if (element.classList.contains("darkify_changed_video_brightness_and_grayscale")) {
    element.style.filter = element.dataset.darkify_preserved_filter;
    element.classList.remove("darkify_changed_video_brightness_and_grayscale");
    delete element.dataset.darkify_preserved_filter;
  }
}

function darkify_replace_video(videoElement, videos) {
  if (document.getElementsByTagName("html")[0].classList.contains("darkify_dark_mode_enabled")) {
    for (let i = 0; i < videos.length; i++) {
      const normalVideo = videos[i].normal_video;
      const normalVideoPath = new URL(normalVideo).pathname;
      const darkVideo = videos[i].dark_video;
      const darkVideoPath = new URL(darkVideo).pathname;

      if (
        videoElement.getAttribute("src") != null &&
        videoElement.getAttribute("src").includes(normalVideoPath)
      ) {
        videoElement.src = darkVideo;
        videoElement.classList.add("darkify_replaced_video");
      }

      if (videoElement.querySelectorAll("source") != null) {
        let sources = videoElement.querySelectorAll("source");
        for (let j = 0; j < sources.length; j++) {
          if (
            sources[j].getAttribute("src") != null &&
            sources[j].getAttribute("src").includes(normalVideoPath)
          ) {
            sources[j].src = darkVideo + "?_=" + Date.now();
            videoElement.classList.add("darkify_replaced_video");
            videoElement.load();
          }
        }
      }
    }
  } else {
    if (videoElement.classList.contains("darkify_replaced_video")) {
      for (let i = 0; i < videos.length; i++) {
        const normalVideo = videos[i].normal_video;
        const normalVideoPath = new URL(normalVideo).pathname;
        const darkVideo = videos[i].dark_video;
        const darkVideoPath = new URL(darkVideo).pathname;

        if (
          videoElement.getAttribute("src") != null &&
          videoElement.getAttribute("src").includes(darkVideoPath)
        ) {
          videoElement.src = normalVideo;
          videoElement.classList.remove("darkify_replaced_video");
        }

        if (videoElement.querySelectorAll("source") != null) {
          let sources = videoElement.querySelectorAll("source");
          for (let j = 0; j < sources.length; j++) {
            if (
              sources[j].getAttribute("src") != null &&
              sources[j].getAttribute("src").includes(darkVideoPath)
            ) {
              sources[j].src = normalVideo + "?_=" + Date.now();
              videoElement.classList.remove("darkify_replaced_video");
              videoElement.load();
            }
          }
        }
      }
    }
  }
}

function darkify_fix_background_color_alpha(element) {
  if (document.getElementsByTagName("html")[0].classList.contains("darkify_dark_mode_enabled")) {
    if (element.hasAttribute("data-darkify_alpha_bg")) {
      const alphaValue = element.dataset.darkify_alpha_bg
        .replace("rgba(", "")
        .replace(")", "")
        .split(",")[3]
        .trim();
      const backgroundColor = window.getComputedStyle(element, null).backgroundColor;

      if (!backgroundColor.includes("rgba")) {
        element.style.setProperty(
          "background-color",
          backgroundColor.replace(")", ", " + alphaValue + ")").replace("rgb", "rgba"),
          "important"
        );
      }
    }
  } else if (element.hasAttribute("data-darkify_alpha_bg")) {
    element.style.backgroundColor = "";
  }
}
function darkify_elements_force_to_correct(element) {
  if (
    document.getElementsByTagName("html")[0].classList.contains("darkify_dark_mode_enabled") &&
    element.hasAttribute("data-darkify_preserved_bg") &&
    element.hasAttribute("data-darkify_preserved_color")
  ) {
    element.style.setProperty("background-color", element.dataset.darkify_preserved_bg);
    element.style.setProperty("color", element.dataset.darkify_preserved_color);
  }
}

function darkify_implement_secondary_bg() {
  let maxAreaElement = null;
  let maxArea = 0;

  const elements = document.querySelectorAll(
    "* :not(head, title, link, meta, script, style, defs, filter)"
  );

  for (let i = 0; i < elements.length; i++) {
    const element = elements[i];
    if (element.hasAttribute("data-darkify_secondary_bg_finder")) {
      const secondaryBgColor = element.dataset.darkify_secondary_bg_finder;
      if (secondaryBgColor !== "transparent" && secondaryBgColor !== "rgba(0, 0, 0, 0)") {
        const boundingRect = element.getBoundingClientRect();
        const area = boundingRect.width * boundingRect.height;
        if (area > maxArea) {
          maxArea = area;
          maxAreaElement = secondaryBgColor;
        }
      }
    }
  }

  for (let i = 0; i < elements.length; i++) {
    const element = elements[i];
    if (element.hasAttribute("data-darkify_secondary_bg_finder")) {
      if (
        element.classList.contains("darkify_style_all") ||
        element.classList.contains("darkify_style_bg_txt") ||
        element.classList.contains("darkify_style_bg_border") ||
        element.classList.contains("darkify_style_bg")
      ) {
        const isDifferentSecondaryBg = maxAreaElement !== element.dataset.darkify_secondary_bg_finder;
        if (isDifferentSecondaryBg) {
          element.classList.add("darkify_style_secondary_bg");
        }
      }
      delete element.dataset.darkify_secondary_bg_finder;
    }
  }

  darkify_secondary_bg_color = maxAreaElement;
}

function darkify_recheck_on_css_loaded_later() {
  document.querySelectorAll(".darkify_style_txt_border, .darkify_style_txt, .darkify_style_border").forEach(function (element) {
    const computedStyle = window.getComputedStyle(element, null);
    const backgroundColor = computedStyle.backgroundColor;
    if (backgroundColor !== "rgba(0, 0, 0, 0)" && backgroundColor !== "rgba(255, 255, 255, 0)") {
      darkify_process_element(element);
    }
  });
}

function darkify_check_preloading() {
  let isPreloaded = false;
  const lastState = localStorage.darkify_last_state ? localStorage.darkify_last_state : "not_set";
  const adminPanelLastState = localStorage.darkify_admin_panel_last_state
    ? localStorage.darkify_admin_panel_last_state
    : "not_set";

  if (darkify_is_this_admin_panel === "1") {
    if (adminPanelLastState === "1") {
      isPreloaded = true;
    }
  } else {
    if (lastState === "1" || lastState === "0") {
      if (lastState === "1") {
        isPreloaded = true;
      }
    } else {
      if (darkify_enable_default_dark_mode === "1") {
        isPreloaded = true;
      }
      if (darkify_enable_time_based_dark === "1") {
        const currentDate = new Date();
        const darkStart = new Date();
        const darkStop = new Date();
        darkStart.setHours(parseInt(darkify_time_based_dark_start.split(":")[0]));
        darkStart.setMinutes(parseInt(darkify_time_based_dark_start.split(":")[1]));
        darkStop.setHours(parseInt(darkify_time_based_dark_stop.split(":")[0]));
        darkStop.setMinutes(parseInt(darkify_time_based_dark_stop.split(":")[1]));

        if (parseInt(darkify_time_based_dark_stop.split(":")[0]) >= parseInt(darkify_time_based_dark_start.split(":")[0])) {
          if (currentDate.getTime() > darkStart.getTime() && currentDate.getTime() < darkStop.getTime()) {
            isPreloaded = true;
          }
        } else if (currentDate.getHours() > 12) {
          if (currentDate.getTime() > darkStart.getTime() && currentDate.getTime() > darkStop.getTime()) {
            isPreloaded = true;
          }
        } else if (currentDate.getTime() < darkStart.getTime() && currentDate.getTime() < darkStop.getTime()) {
          isPreloaded = true;
        }
      }
    }
  }

  if (
    darkify_is_this_admin_panel === "0" &&
    darkify_enable_os_aware === "1" &&
    window.matchMedia &&
    window.matchMedia("(prefers-color-scheme: dark)").matches &&
    lastState !== "1" &&
    lastState !== "0"
  ) {
    isPreloaded = true;
  }

  return isPreloaded;
}

function darkify_process_element(element) {
  var computedStyle = window.getComputedStyle(element, null);
  var old_transition = "";

  if (computedStyle.transition !== "all 0s ease 0s") {
    old_transition = computedStyle.transition;
    element.style.setProperty("transition", "none");
  }

  if (
    element.classList.contains("darkify_style_all") ||
    element.classList.contains("darkify_style_bg_txt") ||
    element.classList.contains("darkify_style_bg_border") ||
    element.classList.contains("darkify_style_txt_border") ||
    element.classList.contains("darkify_style_bg") ||
    element.classList.contains("darkify_style_txt") ||
    element.classList.contains("darkify_style_border") ||
    element.classList.contains("darkify_style_secondary_bg")
  ) {
    element.classList.remove("darkify_style_all");
    element.classList.remove("darkify_style_bg_txt");
    element.classList.remove("darkify_style_bg_border");
    element.classList.remove("darkify_style_txt_border");
    element.classList.remove("darkify_style_bg");
    element.classList.remove("darkify_style_txt");
    element.classList.remove("darkify_style_border");
    element.classList.remove("darkify_style_secondary_bg");
  }

  var nodeName = element.nodeName.toLowerCase();
  var backgroundColor = computedStyle.backgroundColor;
  var color = computedStyle.color;
  var borderColor = computedStyle.borderColor;
  var backgroundImage = computedStyle.backgroundImage;

  if (nodeName === "body" && (backgroundColor === "rgba(0, 0, 0, 0)" || backgroundColor === "rgba(255, 255, 255, 0)")) {
    element.style.setProperty("background-color", "rgb(255, 255, 255)");
    backgroundColor = window.getComputedStyle(element, null).backgroundColor;
  }
  if (darkify_disallowed_elements_force_to_correct === "1" || darkify_allowed_elements_force_to_correct === "1") {
    if (typeof element.style !== "undefined") {
      var preservedBackgroundColor = get_bg_color_to_preserve(element, true);
      if (preservedBackgroundColor === "rgba(0, 0, 0, 0)" || preservedBackgroundColor === "rgba(255, 255, 255, 0)") {
        preservedBackgroundColor = "rgb(255, 255, 255)";
      }
      element.dataset.darkify_preserved_bg = preservedBackgroundColor;
      element.dataset.darkify_preserved_color = get_txt_color_to_preserve(element, true);
      if (darkify_allowed_elements_raw.length > 0 && element.matches(darkify_allowed_elements_raw) && darkify_allowed_elements_force_to_correct === "1") {
        darkify_elements_force_to_correct(element);
      }
      if (darkify_disallowed_elements_raw.length > 0 && element.matches(darkify_disallowed_elements_raw) && darkify_disallowed_elements_force_to_correct === "1") {
        darkify_elements_force_to_correct(element);
      }
    }
  }
  if (darkify_allowed_elements.length > 0) {
    if (!element.matches(darkify_allowed_elements)) {
      if (old_transition !== "") {
        element.style.setProperty("transition", old_transition);
      }
      element.classList.add("darkify_processed");
      return;
    }
  }
  if (darkify_disallowed_elements.length > 0) {
    if (element.matches(darkify_disallowed_elements)) {
      if (old_transition !== "") {
        element.style.setProperty("transition", old_transition);
      }
      element.classList.add("darkify_processed");
      return;
    }
  }
  var has_background_img_url = false;
  if (backgroundImage !== "none" && backgroundImage.includes("url")) {
    has_background_img_url = true;
    if (darkify_enable_bg_image_darken === "1") {
      darkify_darken_bg_image(element, darken_level);
    }
  }
  if (backgroundColor !== "rgba(0, 0, 0, 0)" && backgroundColor !== "rgba(255, 255, 255, 0)" && !has_background_img_url) {
    if (!element.hasAttribute("data-darkify_secondary_bg_finder")) {
      element.dataset.darkify_secondary_bg_finder = backgroundColor;
    }
    if (darkify_secondary_bg_color !== "") {
      var isSecondaryBgColorDifferent = darkify_secondary_bg_color !== element.dataset.darkify_secondary_bg_finder;
      if (isSecondaryBgColorDifferent) {
        element.classList.add("darkify_style_secondary_bg");
      }
      delete element.dataset.darkify_secondary_bg_finder;
    }
  }
  if (backgroundColor !== "rgba(0, 0, 0, 0)" && color !== "rgba(0, 0, 0, 0)" && borderColor !== "rgba(0, 0, 0, 0)" && backgroundColor !== "rgba(255, 255, 255, 0)" && color !== "rgba(255, 255, 255, 0)" && borderColor !== "rgba(255, 255, 255, 0)" && has_background_img_url === false) {
    element.classList.add("darkify_style_all");
  } else {
    if (backgroundColor !== "rgba(0, 0, 0, 0)" && color !== "rgba(0, 0, 0, 0)" && backgroundColor !== "rgba(255, 255, 255, 0)" && color !== "rgba(255, 255, 255, 0)" && has_background_img_url === false) {
      element.classList.add("darkify_style_bg_txt");
    } else {
      if (backgroundColor !== "rgba(0, 0, 0, 0)" && borderColor !== "rgba(0, 0, 0, 0)" && backgroundColor !== "rgba(255, 255, 255, 0)" && borderColor !== "rgba(255, 255, 255, 0)" && has_background_img_url === false) {
        element.classList.add("darkify_style_bg_border");
      } else {
        if (color !== "rgba(0, 0, 0, 0)" && borderColor !== "rgba(0, 0, 0, 0)" && color !== "rgba(255, 255, 255, 0)" && borderColor !== "rgba(255, 255, 255, 0)") {
          element.classList.add("darkify_style_txt_border");
        } else {
          if (backgroundColor !== "rgba(0, 0, 0, 0)" && backgroundColor !== "rgba(255, 255, 255, 0)" && has_background_img_url === false) {
            element.classList.add("darkify_style_bg");
          } else {
            if (color !== "rgba(0, 0, 0, 0)" && color !== "rgba(255, 255, 255, 0)") {
              element.classList.add("darkify_style_txt");
            } else if (borderColor !== "rgba(0, 0, 0, 0)" && borderColor !== "rgba(255, 255, 255, 0)") {
              element.classList.add("darkify_style_border");
            }
          }
        }
      }
    }
  }
  if (backgroundImage !== "none" && !has_background_img_url && !element.classList.contains("darkify_style_all") && !element.classList.contains("darkify_style_bg_txt") && !element.classList.contains("darkify_style_bg_border") && !element.classList.contains("darkify_style_bg")) {
    element.classList.add("darkify_style_bg");
  }

  if (nodeName === "a") {
    element.classList.add("darkify_style_link");
  }

  if (nodeName === "input" || nodeName === "select" || nodeName === "textarea") {
    element.classList.add("darkify_style_form_element");
  }

  if (nodeName === "button") {
    element.classList.add("darkify_style_button");
  }

  if ((darkify_enable_low_image_brightness === "1" || darkify_enable_image_grayscale === "1") && nodeName === "img") {
    darkify_img_brightness_and_grayscale(element);
  }

  if (darkify_enable_invert_images === "1" && darkify_invert_images_allowed_urls_arr.length > 0) {
    darkify_invert_image(element);
  }

  if (darkify_image_replacements_arr.length > 0) {
    darkify_replace_image(element, darkify_image_replacements_arr);
  }

  if (darkify_enable_invert_inline_svg === "1" && nodeName === "svg") {
    darkify_invert_inline_svg(element);
  }

  if (darkify_enable_low_video_brightness === "1" || darkify_enable_video_grayscale === "1") {
    if (nodeName === "video") {
      darkify_video_brightness_and_grayscale(element);
    }

    if (nodeName === "iframe") {
      const srcAttribute = element.getAttribute("src");
      if (srcAttribute !== null) {
        if (srcAttribute.includes("youtube") || srcAttribute.includes("vimeo") || srcAttribute.includes("dailymotion")) {
          darkify_video_brightness_and_grayscale(element);
        }
      }
    }
  }

  if (darkify_video_replacements_arr.length > 0) {
    if (nodeName === "video") {
      darkify_replace_video(element, darkify_video_replacements_arr);
    }

    if (nodeName === "iframe") {
      const srcAttribute = element.getAttribute("src");
      if (srcAttribute !== null) {
        if (srcAttribute.includes("youtube") || srcAttribute.includes("vimeo") || srcAttribute.includes("dailymotion")) {
          darkify_replace_video(element, darkify_video_replacements_arr);
        }
      }
    }
  }

  if (backgroundColor.includes("rgba")) {
    element.dataset.darkify_alpha_bg = backgroundColor;
    darkify_fix_background_color_alpha(element);
  }

  if (old_transition !== "") {
    setTimeout(function () {
      element.style.setProperty("transition", old_transition);
    }, 0);
  }

  setTimeout(function () {
    elements_class_changed.observe(element, {
      attributes: true,
      attributeFilter: ["class"]
    });
  }, 0);

  element.classList.add("darkify_processed");
}

function darkify_init_processes() {
  has_process_run_at_least_once = true;
  document.querySelectorAll("* :not(head, title, link, meta, script, style, defs, filter, .darkify_processed)").forEach(function (element) {
    darkify_process_element(element);
  });
}

function darkify_init_observer() {
  darkify_observer.observe(document, {
    attributes: false,
    childList: true,
    characterData: false,
    subtree: true
  });

  dark_mode_status_changed.observe(document.getElementsByTagName("html")[0], {
    attributes: true
  });

  if (document.readyState !== "loading") {
    if (!has_process_run_at_least_once) {
      darkify_init_processes();
    }
    darkify_implement_secondary_bg();
    darkify_recheck_on_css_loaded_later();
  } else {
    document.addEventListener("DOMContentLoaded", function () {
      if (!has_process_run_at_least_once) {
        darkify_init_processes();
      }
      darkify_implement_secondary_bg();
      darkify_recheck_on_css_loaded_later();
    });
  }
}

if (darkify_check_preloading()) {
  document.getElementsByTagName("html")[0].classList.add("darkify_dark_mode_enabled");
  darkify_init_observer();
}