// ==UserScript==
// @name        8chan Style Script
// @namespace   8chanSS
// @match       *://8chan.moe/*
// @match       *://8chan.se/*
// @exclude     *://8chan.moe/login.html
// @exclude     *://8chan.se/login.html
// @grant       GM.getValue
// @grant       GM.setValue
// @grant       GM.deleteValue
// @grant       GM.listValues
// @version     1.24
// @author      OtakuDude
// @run-at      document-idle
// @description Script to style 8chan
// @license     MIT
// @downloadURL none
// ==/UserScript==
(async function () {
  /**
   * Temporary: Remove all old 8chanSS_ keys from localStorage to not interfere with GM storage
   */
  function cleanupOld8chanSSLocalStorage() {
    try {
      const keysToRemove = [];
      for (let i = 0; i < localStorage.length; i++) {
        const key = localStorage.key(i);
        if (
          key &&
          (key.startsWith("8chanSS_") || key.startsWith("scrollPosition_"))
        ) {
          keysToRemove.push(key);
        }
      }
      keysToRemove.forEach((key) => localStorage.removeItem(key));
    } catch (e) {
      // Some browsers/extensions may restrict localStorage access
      console.warn("8chanSS: Could not clean up old localStorage keys:", e);
    }
  }

  // Call immediately at script start
  cleanupOld8chanSSLocalStorage();

  // --- Settings ---
  const scriptSettings = {
    // Organize settings by category
    site: {
      enableHeaderCatalogLinks: {
        label: "Header Catalog Links",
        default: true,
        subOptions: {
          openInNewTab: { label: "Always open in new tab", default: false },
        },
      },
      enableBottomHeader: { label: "Bottom Header", default: false },
      enableScrollSave: { label: "Save Scroll Position", default: true },
      enableScrollArrows: { label: "Show Up/Down Arrows", default: false },
      alwaysShowTW: { label: "Always Show Thread Watcher", default: false },
      hoverVideoVolume: {
        label: "Hover Video Volume (0-100%)",
        default: 50,
        type: "number",
        min: 0,
        max: 100,
      },
    },
    threads: {
      beepOnYou: { label: "Beep on (You)", default: false },
      notifyOnYou: { label: "Notify when (You) (!)", default: true },
      blurSpoilers: {
        label: "Blur Spoilers",
        default: false,
        subOptions: {
          removeSpoilers: { label: "Remove Spoilers", default: false },
        },
      },
      enableSaveName: { label: "Save Name Checkbox", default: true },
      enableThreadImageHover: {
        label: "Thread Image Hover",
        default: true,
      },
    },
    catalog: {
      enableCatalogImageHover: {
        label: "Catalog Image Hover",
        default: true,
      },
    },
    styling: {
      enableStickyQR: {
        label: "Enable Sticky Quick Reply",
        default: false,
      },
      enableFitReplies: { label: "Fit Replies", default: false },
      enableSidebar: { label: "Enable Sidebar", default: false },
      hideAnnouncement: { label: "Hide Announcement", default: false },
      hidePanelMessage: { label: "Hide Panel Message", default: false },
      hidePostingForm: {
        label: "Hide Posting Form",
        default: false,
        subOptions: {
          showCatalogForm: {
            label: "Don't Hide in Catalog",
            default: false,
          },
        },
      },
      hideBanner: { label: "Hide Board Banners", default: false },
    },
  };

  // Flatten settings for backward compatibility with existing functions
  const flatSettings = {};
  function flattenSettings() {
    Object.keys(scriptSettings).forEach((category) => {
      Object.keys(scriptSettings[category]).forEach((key) => {
        flatSettings[key] = scriptSettings[category][key];
        // Also flatten any sub-options
        if (scriptSettings[category][key].subOptions) {
          Object.keys(scriptSettings[category][key].subOptions).forEach(
            (subKey) => {
              const fullKey = `${key}_${subKey}`;
              flatSettings[fullKey] =
                scriptSettings[category][key].subOptions[subKey];
            }
          );
        }
      });
    });
  }
  flattenSettings();

  // --- GM storage wrappers ---
  async function getSetting(key) {
    if (!flatSettings[key]) {
      console.warn(`Setting key not found: ${key}`);
      return false;
    }
    let val = await GM.getValue("8chanSS_" + key, null);
    if (val === null) return flatSettings[key].default;
    if (flatSettings[key].type === "number") return Number(val);
    return val === "true";
  }

  async function setSetting(key, value) {
    // Always store as string for consistency
    await GM.setValue("8chanSS_" + key, String(value));
  }

  // --- Menu Icon ---
  const themeSelector = document.getElementById("themesBefore");
  let link = null;
  let bracketSpan = null;
  if (themeSelector) {
    bracketSpan = document.createElement("span");
    bracketSpan.textContent = "] [ ";
    link = document.createElement("a");
    link.id = "8chanSS-icon";
    link.href = "#";
    link.textContent = "8chanSS";
    link.style.fontWeight = "bold";

    themeSelector.parentNode.insertBefore(
      bracketSpan,
      themeSelector.nextSibling
    );
    themeSelector.parentNode.insertBefore(link, bracketSpan.nextSibling);
  }

  // --- Shortcuts tab ---
  function createShortcutsTab() {
    const container = document.createElement("div");
    // Title
    const title = document.createElement("h3");
    title.textContent = "Keyboard Shortcuts";
    title.style.margin = "0 0 15px 0";
    title.style.fontSize = "16px";
    container.appendChild(title);
    // Shortcuts table
    const table = document.createElement("table");
    table.style.width = "100%";
    table.style.borderCollapse = "collapse";
    // Table styles
    const tableStyles = {
      th: {
        textAlign: "left",
        padding: "8px 5px",
        borderBottom: "1px solid #444",
        fontSize: "14px",
        fontWeight: "bold",
      },
      td: {
        padding: "8px 5px",
        borderBottom: "1px solid #333",
        fontSize: "13px",
      },
      kbd: {
        background: "#333",
        border: "1px solid #555",
        borderRadius: "3px",
        padding: "2px 5px",
        fontSize: "12px",
        fontFamily: "monospace",
      },
    };

    // Create header row
    const headerRow = document.createElement("tr");
    const shortcutHeader = document.createElement("th");
    shortcutHeader.textContent = "Shortcut";
    Object.assign(shortcutHeader.style, tableStyles.th);
    headerRow.appendChild(shortcutHeader);

    const actionHeader = document.createElement("th");
    actionHeader.textContent = "Action";
    Object.assign(actionHeader.style, tableStyles.th);
    headerRow.appendChild(actionHeader);

    table.appendChild(headerRow);

    // Shortcut data
    const shortcuts = [
      { keys: ["Ctrl", "F1"], action: "Open 8chanSS settings" },
      { keys: ["Ctrl", "Q"], action: "Toggle Quick Reply" },
      { keys: ["Ctrl", "Enter"], action: "Submit post" },
      { keys: ["Escape"], action: "Clear textarea and hide Quick Reply" },
      { keys: ["Ctrl", "B"], action: "Bold text" },
      { keys: ["Ctrl", "I"], action: "Italic text" },
      { keys: ["Ctrl", "U"], action: "Underline text" },
      { keys: ["Ctrl", "S"], action: "Spoiler text" },
      { keys: ["Ctrl", "D"], action: "Doom text" },
      { keys: ["Ctrl", "M"], action: "Moe text" },
      { keys: ["Alt", "C"], action: "Code block" },
    ];

    // Create rows for each shortcut
    shortcuts.forEach((shortcut) => {
      const row = document.createElement("tr");

      // Shortcut cell
      const shortcutCell = document.createElement("td");
      Object.assign(shortcutCell.style, tableStyles.td);

      // Create kbd elements for each key
      shortcut.keys.forEach((key, index) => {
        const kbd = document.createElement("kbd");
        kbd.textContent = key;
        Object.assign(kbd.style, tableStyles.kbd);
        shortcutCell.appendChild(kbd);

        // Add + between keys
        if (index < shortcut.keys.length - 1) {
          const plus = document.createTextNode(" + ");
          shortcutCell.appendChild(plus);
        }
      });

      row.appendChild(shortcutCell);

      // Action cell
      const actionCell = document.createElement("td");
      actionCell.textContent = shortcut.action;
      Object.assign(actionCell.style, tableStyles.td);
      row.appendChild(actionCell);

      table.appendChild(row);
    });

    container.appendChild(table);

    // Add note about BBCode shortcuts
    const note = document.createElement("p");
    note.textContent =
      "Text formatting shortcuts work when text is selected or when inserting at cursor position.";
    note.style.fontSize = "12px";
    note.style.marginTop = "15px";
    note.style.opacity = "0.7";
    note.style.fontStyle = "italic";
    container.appendChild(note);

    return container;
  }

  // --- Floating Settings Menu with Tabs ---
  async function createSettingsMenu() {
    let menu = document.getElementById("8chanSS-menu");
    if (menu) return menu;
    menu = document.createElement("div");
    menu.id = "8chanSS-menu";
    menu.style.position = "fixed";
    menu.style.top = "80px";
    menu.style.left = "30px";
    menu.style.zIndex = 99999;
    menu.style.background = "#222";
    menu.style.color = "#fff";
    menu.style.padding = "0";
    menu.style.borderRadius = "8px";
    menu.style.boxShadow = "0 4px 16px rgba(0,0,0,0.25)";
    menu.style.display = "none";
    menu.style.minWidth = "220px";
    menu.style.width = "100%";
    menu.style.maxWidth = "365px";
    menu.style.fontFamily = "sans-serif";
    menu.style.userSelect = "none";

    // Draggable
    let isDragging = false,
      dragOffsetX = 0,
      dragOffsetY = 0;
    const header = document.createElement("div");
    header.style.display = "flex";
    header.style.justifyContent = "space-between";
    header.style.alignItems = "center";
    header.style.marginBottom = "0";
    header.style.cursor = "move";
    header.style.background = "#333";
    header.style.padding = "5px 18px 5px";
    header.style.borderTopLeftRadius = "8px";
    header.style.borderTopRightRadius = "8px";
    header.addEventListener("mousedown", function (e) {
      isDragging = true;
      const rect = menu.getBoundingClientRect();
      dragOffsetX = e.clientX - rect.left;
      dragOffsetY = e.clientY - rect.top;
      document.body.style.userSelect = "none";
    });
    document.addEventListener("mousemove", function (e) {
      if (!isDragging) return;
      let newLeft = e.clientX - dragOffsetX;
      let newTop = e.clientY - dragOffsetY;
      const menuRect = menu.getBoundingClientRect();
      const menuWidth = menuRect.width;
      const menuHeight = menuRect.height;
      const viewportWidth = window.innerWidth;
      const viewportHeight = window.innerHeight;
      newLeft = Math.max(0, Math.min(newLeft, viewportWidth - menuWidth));
      newTop = Math.max(0, Math.min(newTop, viewportHeight - menuHeight));
      menu.style.left = newLeft + "px";
      menu.style.top = newTop + "px";
      menu.style.right = "auto";
    });
    document.addEventListener("mouseup", function () {
      isDragging = false;
      document.body.style.userSelect = "";
    });

    // Title and close button
    const title = document.createElement("span");
    title.textContent = "8chanSS Settings";
    title.style.fontWeight = "bold";
    header.appendChild(title);

    const closeBtn = document.createElement("button");
    closeBtn.textContent = "✕";
    closeBtn.style.background = "none";
    closeBtn.style.border = "none";
    closeBtn.style.color = "#fff";
    closeBtn.style.fontSize = "18px";
    closeBtn.style.cursor = "pointer";
    closeBtn.style.marginLeft = "10px";
    closeBtn.addEventListener("click", () => {
      menu.style.display = "none";
    });
    header.appendChild(closeBtn);

    menu.appendChild(header);

    // Tab navigation
    const tabNav = document.createElement("div");
    tabNav.style.display = "flex";
    tabNav.style.borderBottom = "1px solid #444";
    tabNav.style.background = "#2a2a2a";

    // Tab content container
    const tabContent = document.createElement("div");
    tabContent.style.padding = "15px 18px";
    tabContent.style.maxHeight = "60vh";
    tabContent.style.overflowY = "auto";

    // Store current (unsaved) values
    const tempSettings = {};
    await Promise.all(
      Object.keys(flatSettings).map(async (key) => {
        tempSettings[key] = await getSetting(key);
      })
    );

    // Create tabs
    const tabs = {
      site: {
        label: "Site",
        content: createTabContent("site", tempSettings),
      },
      threads: {
        label: "Threads",
        content: createTabContent("threads", tempSettings),
      },
      catalog: {
        label: "Catalog",
        content: createTabContent("catalog", tempSettings),
      },
      styling: {
        label: "Style",
        content: createTabContent("styling", tempSettings),
      },
      shortcuts: {
        label: "⌨️",
        content: createShortcutsTab(),
      },
    };

    // Create tab buttons
    Object.keys(tabs).forEach((tabId, index, arr) => {
      const tab = tabs[tabId];
      const tabButton = document.createElement("button");
      tabButton.textContent = tab.label;
      tabButton.dataset.tab = tabId;
      tabButton.style.background = index === 0 ? "#333" : "transparent";
      tabButton.style.border = "none";
      tabButton.style.borderRight = "1px solid #444";
      tabButton.style.color = "#fff";
      tabButton.style.padding = "8px 15px";
      tabButton.style.margin = "5px 0 0 0";
      tabButton.style.cursor = "pointer";
      tabButton.style.flex = "1";
      tabButton.style.fontSize = "14px";
      tabButton.style.transition = "background 0.2s";

      // Add rounded corners and margin to the first and last tab
      if (index === 0) {
        tabButton.style.borderTopLeftRadius = "8px";
        tabButton.style.margin = "5px 0 0 5px";
      }
      if (index === arr.length - 1) {
        tabButton.style.borderTopRightRadius = "8px";
        tabButton.style.margin = "5px 5px 0 0";
        tabButton.style.borderRight = "none"; // Remove border on last tab
      }

      tabButton.addEventListener("click", () => {
        // Hide all tab contents
        Object.values(tabs).forEach((t) => {
          t.content.style.display = "none";
        });

        // Show selected tab content
        tab.content.style.display = "block";

        // Update active tab button
        tabNav.querySelectorAll("button").forEach((btn) => {
          btn.style.background = "transparent";
        });
        tabButton.style.background = "#333";
      });

      tabNav.appendChild(tabButton);
    });

    menu.appendChild(tabNav);

    // Add all tab contents to the container
    Object.values(tabs).forEach((tab, index) => {
      tab.content.style.display = index === 0 ? "block" : "none";
      tabContent.appendChild(tab.content);
    });

    menu.appendChild(tabContent);

    // Button container for Save and Reset buttons
    const buttonContainer = document.createElement("div");
    buttonContainer.style.display = "flex";
    buttonContainer.style.gap = "10px";
    buttonContainer.style.padding = "0 18px 15px";

    // Save Button
    const saveBtn = document.createElement("button");
    saveBtn.textContent = "Save";
    saveBtn.style.background = "#4caf50";
    saveBtn.style.color = "#fff";
    saveBtn.style.border = "none";
    saveBtn.style.borderRadius = "4px";
    saveBtn.style.padding = "8px 18px";
    saveBtn.style.fontSize = "15px";
    saveBtn.style.cursor = "pointer";
    saveBtn.style.flex = "1";
    saveBtn.addEventListener("click", async function () {
      for (const key of Object.keys(tempSettings)) {
        await setSetting(key, tempSettings[key]);
      }
      saveBtn.textContent = "Saved!";
      setTimeout(() => {
        saveBtn.textContent = "Save";
      }, 900);
      setTimeout(() => {
        window.location.reload();
      }, 400);
    });
    buttonContainer.appendChild(saveBtn);

    // Reset Button
    const resetBtn = document.createElement("button");
    resetBtn.textContent = "Reset";
    resetBtn.style.background = "#dd3333";
    resetBtn.style.color = "#fff";
    resetBtn.style.border = "none";
    resetBtn.style.borderRadius = "4px";
    resetBtn.style.padding = "8px 18px";
    resetBtn.style.fontSize = "15px";
    resetBtn.style.cursor = "pointer";
    resetBtn.style.flex = "1";
    resetBtn.addEventListener("click", async function () {
      if (confirm("Reset all 8chanSS settings to defaults?")) {
        // Remove all 8chanSS_ GM values
        const keys = await GM.listValues();
        for (const key of keys) {
          if (key.startsWith("8chanSS_")) {
            await GM.deleteValue(key);
          }
        }
        resetBtn.textContent = "Reset!";
        setTimeout(() => {
          resetBtn.textContent = "Reset";
        }, 900);
        setTimeout(() => {
          window.location.reload();
        }, 400);
      }
    });
    buttonContainer.appendChild(resetBtn);

    menu.appendChild(buttonContainer);

    // Info
    const info = document.createElement("div");
    info.style.fontSize = "11px";
    info.style.padding = "0 18px 12px";
    info.style.opacity = "0.7";
    info.style.textAlign = "center";
    info.textContent = "Press Save to apply changes. Page will reload.";
    menu.appendChild(info);

    document.body.appendChild(menu);
    return menu;
  }

  // Helper function to create tab content
  function createTabContent(category, tempSettings) {
    const container = document.createElement("div");
    const categorySettings = scriptSettings[category];

    Object.keys(categorySettings).forEach((key) => {
      const setting = categorySettings[key];

      // Parent row: flex for checkbox, label, chevron
      const parentRow = document.createElement("div");
      parentRow.style.display = "flex";
      parentRow.style.alignItems = "center";
      parentRow.style.marginBottom = "0px";

      // Special case: hoverVideoVolume slider
      if (key === "hoverVideoVolume" && setting.type === "number") {
        const label = document.createElement("label");
        label.htmlFor = "setting_" + key;
        label.textContent = setting.label + ": ";
        label.style.flex = "1";

        const sliderContainer = document.createElement("div");
        sliderContainer.style.display = "flex";
        sliderContainer.style.alignItems = "center";
        sliderContainer.style.flex = "1";

        const slider = document.createElement("input");
        slider.type = "range";
        slider.id = "setting_" + key;
        slider.min = setting.min;
        slider.max = setting.max;
        slider.value = Number(tempSettings[key]);
        slider.style.flex = "unset";
        slider.style.width = "100px";
        slider.style.marginRight = "10px";

        const valueLabel = document.createElement("span");
        valueLabel.textContent = slider.value + "%";
        valueLabel.style.minWidth = "40px";
        valueLabel.style.textAlign = "right";

        slider.addEventListener("input", function () {
          let val = Number(slider.value);
          if (isNaN(val)) val = setting.default;
          val = Math.max(setting.min, Math.min(setting.max, val));
          slider.value = val;
          tempSettings[key] = val;
          valueLabel.textContent = val + "%";
        });

        sliderContainer.appendChild(slider);
        sliderContainer.appendChild(valueLabel);

        parentRow.appendChild(label);
        parentRow.appendChild(sliderContainer);

        // Wrapper for parent row and sub-options
        const wrapper = document.createElement("div");
        wrapper.style.marginBottom = "10px";
        wrapper.appendChild(parentRow);
        container.appendChild(wrapper);
        return; // Skip the rest for this key
      }

      // Checkbox for boolean settings
      const checkbox = document.createElement("input");
      checkbox.type = "checkbox";
      checkbox.id = "setting_" + key;
      checkbox.checked =
        tempSettings[key] === true || tempSettings[key] === "true";
      checkbox.style.marginRight = "8px";

      // Label
      const label = document.createElement("label");
      label.htmlFor = checkbox.id;
      label.textContent = setting.label;
      label.style.flex = "1";

      // Chevron for subOptions
      let chevron = null;
      let subOptionsContainer = null;
      if (setting.subOptions) {
        chevron = document.createElement("span");
        chevron.className = "ss-chevron";
        chevron.innerHTML = "&#9654;"; // Right-pointing triangle
        chevron.style.display = "inline-block";
        chevron.style.transition = "transform 0.2s";
        chevron.style.marginLeft = "6px";
        chevron.style.fontSize = "12px";
        chevron.style.userSelect = "none";
        chevron.style.transform = checkbox.checked
          ? "rotate(90deg)"
          : "rotate(0deg)";
      }

      // Checkbox change handler
      checkbox.addEventListener("change", function () {
        tempSettings[key] = checkbox.checked;
        if (setting.subOptions && subOptionsContainer) {
          subOptionsContainer.style.display = checkbox.checked
            ? "block"
            : "none";
          if (chevron) {
            chevron.style.transform = checkbox.checked
              ? "rotate(90deg)"
              : "rotate(0deg)";
          }
        }
      });

      parentRow.appendChild(checkbox);
      parentRow.appendChild(label);
      if (chevron) parentRow.appendChild(chevron);

      // Wrapper for parent row and sub-options
      const wrapper = document.createElement("div");
      wrapper.style.marginBottom = "10px";

      wrapper.appendChild(parentRow);

      // Handle sub-options if any exist
      if (setting.subOptions) {
        subOptionsContainer = document.createElement("div");
        subOptionsContainer.style.marginLeft = "25px";
        subOptionsContainer.style.marginTop = "5px";
        subOptionsContainer.style.display = checkbox.checked ? "block" : "none";

        Object.keys(setting.subOptions).forEach((subKey) => {
          const subSetting = setting.subOptions[subKey];
          const fullKey = `${key}_${subKey}`;

          const subWrapper = document.createElement("div");
          subWrapper.style.marginBottom = "5px";

          const subCheckbox = document.createElement("input");
          subCheckbox.type = "checkbox";
          subCheckbox.id = "setting_" + fullKey;
          subCheckbox.checked = tempSettings[fullKey];
          subCheckbox.style.marginRight = "8px";

          subCheckbox.addEventListener("change", function () {
            tempSettings[fullKey] = subCheckbox.checked;
          });

          const subLabel = document.createElement("label");
          subLabel.htmlFor = subCheckbox.id;
          subLabel.textContent = subSetting.label;

          subWrapper.appendChild(subCheckbox);
          subWrapper.appendChild(subLabel);
          subOptionsContainer.appendChild(subWrapper);
        });

        wrapper.appendChild(subOptionsContainer);
      }

      container.appendChild(wrapper);
    });

    // Add minimal CSS for chevron (only once)
    if (!document.getElementById("ss-chevron-style")) {
      const style = document.createElement("style");
      style.id = "ss-chevron-style";
      style.textContent = `
                  .ss-chevron {
                      transition: transform 0.2s;
                      margin-left: 6px;
                      font-size: 12px;
                      display: inline-block;
                  }
              `;
      document.head.appendChild(style);
    }

    return container;
  }

  // Hook up the icon to open/close the menu
  if (link) {
    let menu = await createSettingsMenu();
    link.style.cursor = "pointer";
    link.title = "Open 8chanSS settings";
    link.addEventListener("click", async function (e) {
      e.preventDefault();
      let menu = await createSettingsMenu();
      menu.style.display = menu.style.display === "none" ? "block" : "none";
    });
  }

  /* --- Scroll Arrows Feature --- */
  function featureScrollArrows() {
    // Only add once
    if (
      document.getElementById("scroll-arrow-up") ||
      document.getElementById("scroll-arrow-down")
    )
      return;

    // Up arrow
    const upBtn = document.createElement("button");
    upBtn.id = "scroll-arrow-up";
    upBtn.className = "scroll-arrow-btn";
    upBtn.title = "Scroll to top";
    upBtn.innerHTML = "▲";
    upBtn.addEventListener("click", () => {
      window.scrollTo({ top: 0, behavior: "smooth" });
    });

    // Down arrow
    const downBtn = document.createElement("button");
    downBtn.id = "scroll-arrow-down";
    downBtn.className = "scroll-arrow-btn";
    downBtn.title = "Scroll to bottom";
    downBtn.innerHTML = "▼";
    downBtn.addEventListener("click", () => {
      const footer = document.getElementById("footer");
      if (footer) {
        footer.scrollIntoView({ behavior: "smooth", block: "end" });
      } else {
        window.scrollTo({
          top: document.body.scrollHeight,
          behavior: "smooth",
        });
      }
    });

    document.body.appendChild(upBtn);
    document.body.appendChild(downBtn);
  }

  // --- Feature: Beep on (You) ---
  function featureBeepOnYou() {
    // Beep sound (base64)
    const beep = new Audio(
      "data:audio/wav;base64,UklGRjQDAABXQVZFZm10IBAAAAABAAEAgD4AAIA+AAABAAgAc21wbDwAAABBAAADAAAAAAAAAAA8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABkYXRhzAIAAGMms8em0tleMV4zIpLVo8nhfSlcPR102Ki+5JspVEkdVtKzs+K1NEhUIT7DwKrcy0g6WygsrM2k1NpiLl0zIY/WpMrjgCdbPhxw2Kq+5Z4qUkkdU9K1s+K5NkVTITzBwqnczko3WikrqM+l1NxlLF0zIIvXpsnjgydZPhxs2ay95aIrUEkdUdC3suK8N0NUIjq+xKrcz002WioppdGm091pK1w0IIjYp8jkhydXPxxq2K295aUrTkoeTs65suK+OUFUIzi7xqrb0VA0WSoootKm0t5tKlo1H4TYqMfkiydWQBxm16+85actTEseS8y7seHAPD9TIza5yKra01QyWSson9On0d5wKVk2H4DYqcfkjidUQB1j1rG75KsvSkseScu8seDCPz1TJDW2yara1FYxWSwnm9Sn0N9zKVg2H33ZqsXkkihSQR1g1bK65K0wSEsfR8i+seDEQTxUJTOzy6rY1VowWC0mmNWoz993KVc3H3rYq8TklSlRQh1d1LS647AyR0wgRMbAsN/GRDpTJTKwzKrX1l4vVy4lldWpzt97KVY4IXbUr8LZljVPRCxhw7W3z6ZISkw1VK+4sMWvXEhSPk6buay9sm5JVkZNiLWqtrJ+TldNTnquqbCwilZXU1BwpKirrpNgWFhTaZmnpquZbFlbVmWOpaOonHZcXlljhaGhpZ1+YWBdYn2cn6GdhmdhYGN3lp2enIttY2Jjco+bnJuOdGZlZXCImJqakHpoZ2Zug5WYmZJ/bGlobX6RlpeSg3BqaW16jZSVkoZ0bGtteImSk5KIeG5tbnaFkJKRinxxbm91gY2QkIt/c3BwdH6Kj4+LgnZxcXR8iI2OjIR5c3J0e4WLjYuFe3VzdHmCioyLhn52dHR5gIiKioeAeHV1eH+GiYqHgXp2dnh9hIiJh4J8eHd4fIKHiIeDfXl4eHyBhoeHhH96eHmA"
    );

    // Store the original title
    const originalTitle = document.title;
    let isNotifying = false;

    // Create MutationObserver to detect when you are quoted
    const observer = new MutationObserver((mutations) => {
      mutations.forEach((mutation) => {
        mutation.addedNodes.forEach(async (node) => {
          if (
            node.nodeType === 1 &&
            node.querySelector &&
            node.querySelector("a.quoteLink.you")
          ) {
            // Only play beep if the setting is enabled
            if (await getSetting("beepOnYou")) {
              playBeep();
            }

            // Trigger notification in separate function if enabled
            if (await getSetting("notifyOnYou")) {
              featureNotifyOnYou();
            }
          }
        });
      });
    });

    observer.observe(document.body, { childList: true, subtree: true });

    // Function to play the beep sound
    function playBeep() {
      if (beep.paused) {
        beep.play().catch((e) => console.warn("Beep failed:", e));
      } else {
        beep.addEventListener("ended", () => beep.play(), { once: true });
      }
    }
    // Function to notify on (You)
    function featureNotifyOnYou() {
      // Store the original title if not already stored
      if (!window.originalTitle) {
        window.originalTitle = document.title;
      }

      // Add notification to title if not already notifying and tab not focused
      if (!window.isNotifying && !document.hasFocus()) {
        window.isNotifying = true;
        document.title = "(!) " + window.originalTitle;

        // Set up focus event listener if not already set
        if (!window.notifyFocusListenerAdded) {
          window.addEventListener("focus", () => {
            if (window.isNotifying) {
              document.title = window.originalTitle;
              window.isNotifying = false;
            }
          });
          window.notifyFocusListenerAdded = true;
        }
      }
    }
    // Function to add notification to the title
    function addNotificationToTitle() {
      if (!isNotifying && !document.hasFocus()) {
        isNotifying = true;
        document.title = "(!) " + originalTitle;
      }
    }
    // Remove notification when tab regains focus
    window.addEventListener("focus", () => {
      if (isNotifying) {
        document.title = originalTitle;
        isNotifying = false;
      }
    });
  }

  // --- Feature: Header Catalog Links ---
  async function featureHeaderCatalogLinks() {
    async function appendCatalogToLinks() {
      const navboardsSpan = document.getElementById("navBoardsSpan");
      if (navboardsSpan) {
        const links = navboardsSpan.getElementsByTagName("a");
        const openInNewTab = await getSetting(
          "enableHeaderCatalogLinks_openInNewTab"
        );

        for (let link of links) {
          if (link.href && !link.href.endsWith("/catalog.html")) {
            link.href += "/catalog.html";

            // Set target="_blank" if the option is enabled
            if (openInNewTab) {
              link.target = "_blank";
              link.rel = "noopener noreferrer"; // Security best practice
            } else {
              link.target = "";
              link.rel = "";
            }
          }
        }
      }
    }

    appendCatalogToLinks();
    const observer = new MutationObserver(appendCatalogToLinks);
    const config = { childList: true, subtree: true };
    const navboardsSpan = document.getElementById("navBoardsSpan");
    if (navboardsSpan) {
      observer.observe(navboardsSpan, config);
    }
  }

  // --- Feature: Save Scroll Position ---
  async function featureSaveScrollPosition() {
    const MAX_PAGES = 50;
    const currentPage = window.location.href;
    const excludedPagePatterns = [/\/catalog\.html$/i];

    function isExcludedPage(url) {
      return excludedPagePatterns.some((pattern) => pattern.test(url));
    }

    async function saveScrollPosition() {
      if (isExcludedPage(currentPage)) return;

      const scrollPosition = window.scrollY;
      const timestamp = Date.now();

      // Store both the scroll position and timestamp using GM storage
      await GM.setValue(
        `8chanSS_scrollPosition_${currentPage}`,
        JSON.stringify({
          position: scrollPosition,
          timestamp: timestamp,
        })
      );

      await manageScrollStorage();
    }

    async function manageScrollStorage() {
      // Get all GM storage keys
      const allKeys = await GM.listValues();

      // Filter for scroll position keys
      const scrollKeys = allKeys.filter((key) =>
        key.startsWith("8chanSS_scrollPosition_")
      );

      if (scrollKeys.length > MAX_PAGES) {
        // Create array of objects with key and timestamp
        const keyData = await Promise.all(
          scrollKeys.map(async (key) => {
            let data;
            try {
              const savedValue = await GM.getValue(key, null);
              if (savedValue) {
                data = JSON.parse(savedValue);
                // Handle legacy format (just a number)
                if (typeof data !== "object") {
                  data = { position: parseFloat(savedValue), timestamp: 0 };
                }
              } else {
                data = { position: 0, timestamp: 0 };
              }
            } catch (e) {
              // If parsing fails, assume it's old format
              const savedValue = await GM.getValue(key, "0");
              data = {
                position: parseFloat(savedValue),
                timestamp: 0,
              };
            }

            return {
              key: key,
              timestamp: data.timestamp || 0,
            };
          })
        );

        // Sort by timestamp (oldest first)
        keyData.sort((a, b) => a.timestamp - b.timestamp);

        // Remove oldest entries until we're under the limit
        const keysToRemove = keyData.slice(0, keyData.length - MAX_PAGES);
        for (const item of keysToRemove) {
          await GM.deleteValue(item.key);
        }
      }
    }

    async function restoreScrollPosition() {
      // If the URL contains a hash (e.g. /res/1190.html#1534), do nothing
      if (window.location.hash && window.location.hash.length > 1) {
        return;
      }

      const savedData = await GM.getValue(
        `8chanSS_scrollPosition_${currentPage}`,
        null
      );

      if (savedData) {
        let position;
        try {
          // Try to parse as JSON (new format)
          const data = JSON.parse(savedData);
          position = data.position;

          // Update the timestamp to "refresh" this entry
          await GM.setValue(
            `8chanSS_scrollPosition_${currentPage}`,
            JSON.stringify({
              position: position,
              timestamp: Date.now(),
            })
          );
        } catch (e) {
          // If parsing fails, assume it's the old format (just a number)
          position = parseFloat(savedData);

          // Convert to new format with current timestamp
          await GM.setValue(
            `8chanSS_scrollPosition_${currentPage}`,
            JSON.stringify({
              position: position,
              timestamp: Date.now(),
            })
          );
        }

        if (!isNaN(position)) {
          window.scrollTo(0, position);
        }
      }
    }

    // Use async event handlers
    window.addEventListener("beforeunload", () => {
      // We can't await in beforeunload, so we just call the function
      saveScrollPosition();
    });

    // For load event, we can use an async function
    window.addEventListener("load", async () => {
      await restoreScrollPosition();
    });

    // Initial restore attempt (in case the load event already fired)
    await restoreScrollPosition();
  }

  // --- Feature: Catalog & Image Hover ---
  async function featureImageHover() {
    // Accepts the thumb <img> node as the first argument
    function getFullMediaSrcFromMime(thumbNode, filemime) {
      if (!thumbNode || !filemime) return null;
      const thumbnailSrc = thumbNode.getAttribute("src");

      // If it's a t_ thumbnail, replace as before
      if (/\/t_/.test(thumbnailSrc)) {
        let base = thumbnailSrc.replace(/\/t_/, "/");
        base = base.replace(/\.(jpe?g|png|gif|webp|webm|mp4)$/i, "");
        const mimeToExt = {
          "image/jpeg": ".jpg",
          "image/jpg": ".jpg",
          "image/png": ".png",
          "image/gif": ".gif",
          "image/webp": ".webp",
          "image/bmp": ".bmp",
          "video/mp4": ".mp4",
          "video/webm": ".webm",
          "audio/ogg": ".ogg",
          "audio/mpeg": ".mp3",
          "audio/x-m4a": ".m4a",
          "audio/wav": ".wav",
        };
        const ext = mimeToExt[filemime.toLowerCase()];
        if (!ext) return null;
        return base + ext;
      }

      // If it's a /spoiler.png thumbnail or /a/custom.spoiler, use parent <a>'s href
      if (
        /\/spoiler\.png$/i.test(thumbnailSrc) ||
        /\/a\/custom\.spoiler$/i.test(thumbnailSrc) ||
        /\/audioGenericThumb\.png$/i.test(thumbnailSrc)
      ) {
        const parentA = thumbNode.closest("a.linkThumb, a.imgLink");
        if (parentA && parentA.getAttribute("href")) {
          // Use the full file URL from href
          return parentA.getAttribute("href");
        }
        return null;
      }

      // Fallback: return null if not recognized
      return null;
    }

    // Inject CSS for the audio indicator (only once)
    if (!document.getElementById("audio-preview-indicator-style")) {
      const style = document.createElement("style");
      style.id = "audio-preview-indicator-style";
      style.textContent = `
            /* Make containers position:relative so absolute positioning works */
            a.imgLink[data-filemime^="audio/"],
            a.originalNameLink[href$=".mp3"],
            a.originalNameLink[href$=".ogg"],
            a.originalNameLink[href$=".m4a"],
            a.originalNameLink[href$=".wav"] {
                position: relative;
            }

            .audio-preview-indicator {
                display: none;
                position: absolute;
                background: rgba(0, 0, 0, 0.7);
                color: #ffffff;
                padding: 5px;
                font-size: 12px;
                border-radius: 3px;
                z-index: 1000;
                left: 0;
                top: 0;
                white-space: nowrap;
                pointer-events: none;
            }

            a[data-filemime^="audio/"]:hover .audio-preview-indicator,
            a.originalNameLink:hover .audio-preview-indicator {
                display: block;
            }
        `;
      document.head.appendChild(style);
    }

    let floatingMedia = null;
    let removeListeners = null;
    let hoverTimeout = null;
    let lastThumb = null;
    let isStillHovering = false;

    function cleanupFloatingMedia() {
      if (hoverTimeout) {
        clearTimeout(hoverTimeout);
        hoverTimeout = null;
      }

      if (removeListeners) {
        removeListeners();
        removeListeners = null;
      }

      if (floatingMedia) {
        if (
          floatingMedia.tagName === "VIDEO" ||
          floatingMedia.tagName === "AUDIO"
        ) {
          try {
            floatingMedia.pause();
            floatingMedia.removeAttribute("src");
            floatingMedia.load();
          } catch (e) {
            // Silently handle media cleanup errors
          }
        }

        if (floatingMedia.parentNode) {
          floatingMedia.parentNode.removeChild(floatingMedia);
        }
      }

      // Remove any audio indicators
      const indicators = document.querySelectorAll(".audio-preview-indicator");
      indicators.forEach((indicator) => {
        if (indicator.parentNode) {
          indicator.parentNode.removeChild(indicator);
        }
      });

      floatingMedia = null;
      lastThumb = null;
      isStillHovering = false;
      document.removeEventListener("mousemove", onMouseMove);
    }

    function onMouseMove(event) {
      if (!floatingMedia) return;

      const viewportWidth = window.innerWidth;
      const viewportHeight = window.innerHeight;

      // Determine media dimensions based on type
      let mediaWidth = 0,
        mediaHeight = 0;

      if (floatingMedia.tagName === "IMG") {
        mediaWidth =
          floatingMedia.naturalWidth ||
          floatingMedia.width ||
          floatingMedia.offsetWidth ||
          0;
        mediaHeight =
          floatingMedia.naturalHeight ||
          floatingMedia.height ||
          floatingMedia.offsetHeight ||
          0;
      } else if (floatingMedia.tagName === "VIDEO") {
        mediaWidth = floatingMedia.videoWidth || floatingMedia.offsetWidth || 0;
        mediaHeight =
          floatingMedia.videoHeight || floatingMedia.offsetHeight || 0;
      } else if (floatingMedia.tagName === "AUDIO") {
        // Don't move audio elements - they're hidden anyway
        return;
      }

      mediaWidth = Math.min(mediaWidth, viewportWidth * 0.9);
      mediaHeight = Math.min(mediaHeight, viewportHeight * 0.9);

      let newX = event.clientX + 10;
      let newY = event.clientY + 10;

      if (newX + mediaWidth > viewportWidth) {
        newX = viewportWidth - mediaWidth - 10;
      }
      if (newY + mediaHeight > viewportHeight) {
        newY = viewportHeight - mediaHeight - 10;
      }

      newX = Math.max(newX, 0);
      newY = Math.max(newY, 0);

      floatingMedia.style.left = `${newX}px`;
      floatingMedia.style.top = `${newY}px`;
      floatingMedia.style.maxWidth = "90vw";
      floatingMedia.style.maxHeight = "90vh";
    }

    async function onThumbEnter(e) {
      const thumb = e.currentTarget;
      if (lastThumb === thumb) return;
      lastThumb = thumb;

      cleanupFloatingMedia();
      isStillHovering = true;

      // Get the actual container element (important for audio files)
      const container =
        thumb.tagName === "IMG"
          ? thumb.closest("a.linkThumb, a.imgLink")
          : thumb;

      function onLeave() {
        isStillHovering = false;
        cleanupFloatingMedia();
      }

      thumb.addEventListener("mouseleave", onLeave, { once: true });

      hoverTimeout = setTimeout(async () => {
        hoverTimeout = null;
        if (!isStillHovering) return;

        let filemime = null;
        let fullSrc = null;

        // Case 1: Image/video thumbnail
        if (thumb.tagName === "IMG") {
          const parentA = thumb.closest("a.linkThumb, a.imgLink");
          if (!parentA) return;

          const href = parentA.getAttribute("href");
          if (!href) return;

          const ext = href.split(".").pop().toLowerCase();
          filemime =
            parentA.getAttribute("data-filemime") ||
            {
              jpg: "image/jpeg",
              jpeg: "image/jpeg",
              png: "image/png",
              gif: "image/gif",
              webp: "image/webp",
              bmp: "image/bmp",
              mp4: "video/mp4",
              webm: "video/webm",
              ogg: "audio/ogg",
              mp3: "audio/mpeg",
              m4a: "audio/x-m4a",
              wav: "audio/wav",
            }[ext];

          fullSrc = getFullMediaSrcFromMime(thumb, filemime);
        }
        // Case 2: Audio file download link
        else if (thumb.classList.contains("originalNameLink")) {
          const href = thumb.getAttribute("href");
          if (!href) return;

          const ext = href.split(".").pop().toLowerCase();
          if (["mp3", "ogg", "m4a", "wav"].includes(ext)) {
            filemime = {
              ogg: "audio/ogg",
              mp3: "audio/mpeg",
              m4a: "audio/x-m4a",
              wav: "audio/wav",
            }[ext];
            fullSrc = href;
          }
        }

        if (!fullSrc || !filemime) return;

        let loaded = false;

        // Helper to set common styles for floating media
        function setCommonStyles(el) {
          el.style.position = "fixed";
          el.style.zIndex = 9999;
          el.style.pointerEvents = "none";
          el.style.maxWidth = "95vw";
          el.style.maxHeight = "95vh";
          el.style.transition = "opacity 0.15s";
          el.style.opacity = "0";
          el.style.left = "-9999px";
        }

        // Setup cleanup listeners
        removeListeners = function () {
          window.removeEventListener("scroll", cleanupFloatingMedia, true);
        };
        window.addEventListener("scroll", cleanupFloatingMedia, true);

        // Handle different media types
        if (filemime.startsWith("image/")) {
          floatingMedia = document.createElement("img");
          setCommonStyles(floatingMedia);

          floatingMedia.onload = function () {
            if (!loaded && floatingMedia && isStillHovering) {
              loaded = true;
              floatingMedia.style.opacity = "1";
              document.body.appendChild(floatingMedia);
              document.addEventListener("mousemove", onMouseMove);
              onMouseMove(e);
            }
          };

          floatingMedia.onerror = cleanupFloatingMedia;
          floatingMedia.src = fullSrc;
        } else if (filemime.startsWith("video/")) {
          floatingMedia = document.createElement("video");
          setCommonStyles(floatingMedia);

          floatingMedia.autoplay = true;
          floatingMedia.loop = true;
          floatingMedia.muted = false;
          floatingMedia.playsInline = true;
          floatingMedia.controls = false; // No controls for videos

          // Set volume from settings (0-100)
          let volume = 50;
          if (typeof getSetting === "function") {
            try {
              volume = await getSetting("hoverVideoVolume");
            } catch (e) {
              // Use default if setting can't be retrieved
            }
          }

          if (typeof volume !== "number" || isNaN(volume)) volume = 50;
          floatingMedia.volume = Math.max(0, Math.min(1, volume / 100));

          floatingMedia.onloadeddata = function () {
            if (!loaded && floatingMedia && isStillHovering) {
              loaded = true;
              floatingMedia.style.opacity = "1";
              document.body.appendChild(floatingMedia);
              document.addEventListener("mousemove", onMouseMove);
              onMouseMove(e);
            }
          };

          floatingMedia.onerror = cleanupFloatingMedia;
          floatingMedia.src = fullSrc;
        } else if (filemime.startsWith("audio/")) {
          // --- AUDIO HOVER INDICATOR LOGIC ---
          // Remove any lingering indicator first
          const oldIndicator = container.querySelector(
            ".audio-preview-indicator"
          );
          if (oldIndicator) oldIndicator.remove();

          // Make sure container has position:relative for proper indicator positioning
          if (container && !container.style.position) {
            container.style.position = "relative";
          }

          floatingMedia = document.createElement("audio");
          floatingMedia.src = fullSrc;
          floatingMedia.volume = 0.5;
          floatingMedia.controls = false; // No controls for audio
          floatingMedia.style.display = "none"; // Hide the element visually
          document.body.appendChild(floatingMedia);

          // Add indicator to the container (parent a tag) instead of the img
          const indicator = document.createElement("div");
          indicator.classList.add("audio-preview-indicator");
          indicator.textContent = "▶ Playing audio...";
          container.appendChild(indicator);

          floatingMedia.play().catch((error) => {
            console.error("Audio playback failed:", error);
          });

          // Remove audio and indicator on click as well
          function removeAudioAndIndicator() {
            if (floatingMedia) {
              floatingMedia.pause();
              floatingMedia.currentTime = 0;
              floatingMedia.remove();
              floatingMedia = null;
            }
            if (indicator) {
              indicator.remove();
            }
          }

          container.addEventListener("click", removeAudioAndIndicator, {
            once: true,
          });
        }
      }, 120); // Short delay before showing preview
    }

    function attachThumbListeners(root = document) {
      // Attach to image thumbnails (works for both thread and catalog)
      const thumbs = root.querySelectorAll(
        "a.linkThumb > img, a.imgLink > img"
      );
      thumbs.forEach((thumb) => {
        if (!thumb._fullImgHoverBound) {
          thumb.addEventListener("mouseenter", onThumbEnter);
          thumb._fullImgHoverBound = true;
        }
      });

      // Always attach to audio download links (both catalog and thread)
      const audioLinks = root.querySelectorAll("a.originalNameLink");
      audioLinks.forEach((link) => {
        const href = link.getAttribute("href") || "";
        const ext = href.split(".").pop().toLowerCase();
        if (
          ["mp3", "wav", "ogg", "m4a"].includes(ext) &&
          !link._audioHoverBound
        ) {
          link.addEventListener("mouseenter", onThumbEnter);
          link._audioHoverBound = true;
        }
      });
    }

    // Initial attachment
    attachThumbListeners();

    // Watch for new elements
    const observer = new MutationObserver((mutations) => {
      for (const mutation of mutations) {
        for (const node of mutation.addedNodes) {
          if (node.nodeType === Node.ELEMENT_NODE) {
            attachThumbListeners(node);
          }
        }
      }
    });

    observer.observe(document.body, { childList: true, subtree: true });
  }

  // --- Feature: Save Name Checkbox ---
  // Pay attention that it needs to work on localStorage for the name key (not GM Storage)
  function featureSaveNameCheckbox() {
    const checkbox = document.createElement("input");
    checkbox.type = "checkbox";
    checkbox.id = "saveNameCheckbox";
    checkbox.classList.add("postingCheckbox");
    const label = document.createElement("label");
    label.htmlFor = "saveNameCheckbox";
    label.textContent = "Save Name";
    label.title = "Save Name on refresh";
    const alwaysUseBypassCheckbox = document.getElementById(
      "qralwaysUseBypassCheckBox"
    );
    if (alwaysUseBypassCheckbox) {
      alwaysUseBypassCheckbox.parentNode.insertBefore(
        checkbox,
        alwaysUseBypassCheckbox
      );
      alwaysUseBypassCheckbox.parentNode.insertBefore(
        label,
        checkbox.nextSibling
      );
      const savedCheckboxState =
        localStorage.getItem("8chanSS_saveNameCheckbox") === "true";
      checkbox.checked = savedCheckboxState;
      const nameInput = document.getElementById("qrname");
      if (nameInput) {
        const savedName = localStorage.getItem("name");
        if (checkbox.checked && savedName !== null) {
          nameInput.value = savedName;
        } else if (!checkbox.checked) {
          nameInput.value = "";
        }
        nameInput.addEventListener("input", function () {
          if (checkbox.checked) {
            localStorage.setItem("name", nameInput.value);
          }
        });
        checkbox.addEventListener("change", function () {
          if (checkbox.checked) {
            localStorage.setItem("name", nameInput.value);
          } else {
            localStorage.removeItem("name");
            nameInput.value = "";
          }
          localStorage.setItem("8chanSS_saveNameCheckbox", checkbox.checked);
        });
      }
    }
  }

  /* --- Feature: Blur Spoilers + Remove Spoilers suboption --- */
  function featureBlurSpoilers() {
    function revealSpoilers() {
      const spoilerLinks = document.querySelectorAll("a.imgLink");
      spoilerLinks.forEach(async (link) => {
        const img = link.querySelector("img");
        if (img) {
          // Check if this is a custom spoiler image
          const isCustomSpoiler = img.src.includes("/a/custom.spoiler");
          // Check if this is NOT already a thumbnail
          const isNotThumbnail = !img.src.includes("/.media/t_");

          if (isNotThumbnail || isCustomSpoiler) {
            let href = link.getAttribute("href");
            if (href) {
              // Extract filename without extension
              const match = href.match(/\/\.media\/([^\/]+)\.[a-zA-Z0-9]+$/);
              if (match) {
                // Use the thumbnail path (t_filename)
                const transformedSrc = `/\.media/t_${match[1]}`;
                img.src = transformedSrc;

                // If Remove Spoilers is enabled, do not apply blur, just show the thumbnail
                if (await getSetting("blurSpoilers_removeSpoilers")) {
                  img.style.filter = "";
                  img.style.transition = "";
                  img.onmouseover = null;
                  img.onmouseout = null;
                  return;
                } else {
                  img.style.filter = "blur(5px)";
                  img.style.transition = "filter 0.3s ease";
                  img.addEventListener("mouseover", () => {
                    img.style.filter = "none";
                  });
                  img.addEventListener("mouseout", () => {
                    img.style.filter = "blur(5px)";
                  });
                }
              }
            }
          }
        }
      });
    }

    // Initial run
    revealSpoilers();

    // Observe for dynamically added spoilers
    const observer = new MutationObserver(revealSpoilers);
    observer.observe(document.body, { childList: true, subtree: true });
  }

  // --- Feature Initialization based on Settings ---
  // Because getSetting is now async, we need to await settings before running features.
  // We'll use an async IIFE for initialization:

  (async function initFeatures() {
    // Always run hide/show feature (it will respect settings)
    await featureCssClassToggles();

    if (await getSetting("blurSpoilers")) {
      featureBlurSpoilers();
    }
    if (await getSetting("enableHeaderCatalogLinks")) {
      featureHeaderCatalogLinks();
    }
    if (await getSetting("enableScrollSave")) {
      featureSaveScrollPosition();
    }
    if (await getSetting("enableSaveName")) {
      featureSaveNameCheckbox();
    }
    if (await getSetting("enableScrollArrows")) {
      featureScrollArrows();
    }
    if ((await getSetting("beepOnYou")) || (await getSetting("notifyOnYou"))) {
      featureBeepOnYou();
    }

    // Check if we should enable image hover based on the current page
    const isCatalogPage = /\/catalog\.html$/.test(
      window.location.pathname.toLowerCase()
    );
    if (
      (isCatalogPage && (await getSetting("enableCatalogImageHover"))) ||
      (!isCatalogPage && (await getSetting("enableThreadImageHover")))
    ) {
      featureImageHover();
    }
  })();

  // --- Feature: CSS Class Toggles ---
  async function featureCssClassToggles() {
    document.documentElement.classList.add("8chanSS");
    const classToggles = {
      enableFitReplies: "fit-replies",
      enableSidebar: "ss-sidebar",
      enableStickyQR: "sticky-qr",
      enableBottomHeader: "bottom-header",
      hideBanner: "disable-banner",
      hidePostingForm: "hide-posting-form",
      hideAnnouncement: "hide-announcement",
      hidePanelMessage: "hide-panelmessage",
      alwaysShowTW: "sticky-tw",
      hidePostingForm_showCatalogForm: "show-catalog-form",
    };
    for (const [settingKey, className] of Object.entries(classToggles)) {
      if (await getSetting(settingKey)) {
        document.documentElement.classList.add(className);
      } else {
        document.documentElement.classList.remove(className);
      }
    }
    // URL-based class toggling
    const urlClassMap = [
      { pattern: /\/catalog\.html$/i, className: "is-catalog" },
      { pattern: /\/res\/[^/]+\.html$/i, className: "is-thread" },
      { pattern: /^\/$/, className: "is-index" },
    ];
    const currentPath = window.location.pathname.toLowerCase();
    urlClassMap.forEach(({ pattern, className }) => {
      if (pattern.test(currentPath)) {
        document.documentElement.classList.add(className);
      } else {
        document.documentElement.classList.remove(className);
      }
    });
  }

  // Init
  featureCssClassToggles();

  /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

  // ---- Feature: Thread Watcher Things ---
  // Move new post notification
  function moveWatchedNotification() {
    document.querySelectorAll(".watchedCellLabel").forEach((label) => {
      const notif = label.querySelector(".watchedNotification");
      const link = label.querySelector("a");
      if (notif && link && notif.nextSibling !== link) {
        label.insertBefore(notif, link);
      }
    });
  }

  // Initial run
  moveWatchedNotification();

  // Observe for dynamic changes in the watched menu
  const watchedMenu = document.getElementById("watchedMenu");
  if (watchedMenu) {
    const observer = new MutationObserver(() => moveWatchedNotification());
    observer.observe(watchedMenu, { childList: true, subtree: true });
  }

  /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

  // --- Keyboard Shortcuts ---
  // Open 8chanSS menu (CTRL + F1)
  document.addEventListener("keydown", async function (event) {
    if (event.ctrlKey && event.key === "F1") {
      event.preventDefault(); // Prevent browser help
      let menu =
        document.getElementById("8chanSS-menu") || (await createSettingsMenu());
      menu.style.display =
        menu.style.display === "none" || menu.style.display === ""
          ? "block"
          : "none";
    }
  });

  // Submit post (CTRL + Enter)
  function submitWithCtrlEnter(event) {
    // Check if Ctrl + Enter is pressed
    if (event.ctrlKey && event.key === "Enter") {
      event.preventDefault(); // Prevent default behavior

      // Find and click the submit button
      const submitButton = document.getElementById("qrbutton");
      if (submitButton) {
        submitButton.click();
      }
    }
  }

  // Add the event listener to the reply textarea
  const replyTextarea = document.getElementById("qrbody");
  if (replyTextarea) {
    replyTextarea.addEventListener("keydown", submitWithCtrlEnter);
  }

  // QR (CTRL + Q)
  function toggleQR(event) {
    // Check if Ctrl + Q is pressed
    if (event.ctrlKey && (event.key === "q" || event.key === "Q")) {
      const hiddenDiv = document.getElementById("quick-reply");
      // Toggle QR
      if (
        hiddenDiv.style.display === "none" ||
        hiddenDiv.style.display === ""
      ) {
        hiddenDiv.style.display = "block"; // Show the div

        // Focus the textarea after a small delay to ensure it's visible
        setTimeout(() => {
          const textarea = document.getElementById("qrbody");
          if (textarea) {
            textarea.focus();
          }
        }, 50);
      } else {
        hiddenDiv.style.display = "none"; // Hide the div
      }
    }
  }
  document.addEventListener("keydown", toggleQR);

  // Clear textarea and hide quick-reply on Escape key
  function clearTextarea(event) {
    // Check if Escape key is pressed
    if (event.key === "Escape") {
      // Clear the textarea
      const textarea = document.getElementById("qrbody");
      if (textarea) {
        textarea.value = ""; // Clear the textarea
      }

      // Hide the quick-reply div
      const quickReply = document.getElementById("quick-reply");
      if (quickReply) {
        quickReply.style.display = "none"; // Hide the quick-reply
      }
    }
  }
  document.addEventListener("keydown", clearTextarea);

  // Tags
  const bbCodeCombinations = new Map([
    ["s", ["[spoiler]", "[/spoiler]"]],
    ["b", ["'''", "'''"]],
    ["u", ["__", "__"]],
    ["i", ["''", "''"]],
    ["d", ["[doom]", "[/doom]"]],
    ["m", ["[moe]", "[/moe]"]],
    ["c", ["[code]", "[/code]"]],
  ]);

  function replyKeyboardShortcuts(ev) {
    const key = ev.key.toLowerCase();
    // Special case: alt+c for [code] tag
    if (
      key === "c" &&
      ev.altKey &&
      !ev.ctrlKey &&
      bbCodeCombinations.has(key)
    ) {
      ev.preventDefault();
      const textBox = ev.target;
      const [openTag, closeTag] = bbCodeCombinations.get(key);
      const { selectionStart, selectionEnd, value } = textBox;
      if (selectionStart === selectionEnd) {
        // No selection: insert empty tags and place cursor between them
        const before = value.slice(0, selectionStart);
        const after = value.slice(selectionEnd);
        const newCursor = selectionStart + openTag.length;
        textBox.value = before + openTag + closeTag + after;
        textBox.selectionStart = textBox.selectionEnd = newCursor;
      } else {
        // Replace selected text with tags around it
        const before = value.slice(0, selectionStart);
        const selected = value.slice(selectionStart, selectionEnd);
        const after = value.slice(selectionEnd);
        textBox.value = before + openTag + selected + closeTag + after;
        // Keep selection around the newly wrapped text
        textBox.selectionStart = selectionStart + openTag.length;
        textBox.selectionEnd = selectionEnd + openTag.length;
      }
      return;
    }
    // All other tags: ctrl+key
    if (
      ev.ctrlKey &&
      !ev.altKey &&
      bbCodeCombinations.has(key) &&
      key !== "c"
    ) {
      ev.preventDefault();
      const textBox = ev.target;
      const [openTag, closeTag] = bbCodeCombinations.get(key);
      const { selectionStart, selectionEnd, value } = textBox;
      if (selectionStart === selectionEnd) {
        // No selection: insert empty tags and place cursor between them
        const before = value.slice(0, selectionStart);
        const after = value.slice(selectionEnd);
        const newCursor = selectionStart + openTag.length;
        textBox.value = before + openTag + closeTag + after;
        textBox.selectionStart = textBox.selectionEnd = newCursor;
      } else {
        // Replace selected text with tags around it
        const before = value.slice(0, selectionStart);
        const selected = value.slice(selectionStart, selectionEnd);
        const after = value.slice(selectionEnd);
        textBox.value = before + openTag + selected + closeTag + after;
        // Keep selection around the newly wrapped text
        textBox.selectionStart = selectionStart + openTag.length;
        textBox.selectionEnd = selectionEnd + openTag.length;
      }
      return;
    }
  }
  document
    .getElementById("qrbody")
    ?.addEventListener("keydown", replyKeyboardShortcuts);

  /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

  // Custom CSS injection
  function addCustomCSS(css) {
    if (!css) return;
    const style = document.createElement("style");
    style.type = "text/css";
    style.appendChild(document.createTextNode(css));
    document.head.appendChild(style);
  }
  // Get the current URL path
  const currentPath = window.location.pathname.toLowerCase();
  const currentHost = window.location.hostname.toLowerCase();

  // Apply CSS based on URL pattern
  if (/^8chan\.(se|moe)$/.test(currentHost)) {
    // General CSS for all pages
    const css = `
  /* Margins */
  :not(.is-catalog) body {
      margin: 0;
  }
  :root.ss-sidebar #mainPanel {
      margin-right: 305px;
  }
  /* Cleanup */
  :root.hide-posting-form #postingForm,
  :root.hide-announcement #dynamicAnnouncement,
  :root.hide-panelmessage #panelMessage,
  #navFadeEnd,
  #navFadeMid,
  #navTopBoardsSpan {
      display: none;
  }
  :root.is-catalog.show-catalog-form #postingForm {
      display: block !important;
  }
  footer {
      visibility: hidden;
      height: 0;
  }
  /* Header */
  :not(:root.bottom-header) .navHeader {
      box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
  }
  :root.bottom-header nav.navHeader {
      top: auto !important;
      bottom: 0 !important;
      box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.15);
  }
  /* Thread Watcher */
  :root.sticky-tw #watchedMenu {
      display: flex !important;
  }
  #watchedMenu {
      font-size: smaller;
      padding: 5px !important;
      box-shadow: -3px 3px 2px 0px rgba(0,0,0,0.19);
  }
  #watchedMenu,
  #watchedMenu .floatingContainer {
      min-width: 200px;
  }
  #watchedMenu .watchedCellLabel > a:after {
      content: " - "attr(href);
      filter: saturate(50%);
      font-style: italic;
      font-weight: bold;
  }
  td.watchedCell > label.watchedCellLabel {
      text-overflow: ellipsis;
      overflow: hidden;
      white-space: nowrap;
      width: 180px;
      display: block;
  }
  td.watchedCell > label.watchedCellLabel:hover {
      overflow: unset;
      width: auto;
      white-space: normal;
  }
  .watchedNotification::before {
      padding-right: 2px;
  }
  /* Posts */
  :root.ss-sidebar .quoteTooltip {
  /* Prevent quotes from overlapping the sidebar */
      max-width: calc(100vw - 305px - 24px);
      right: 322px;
      word-wrap: anywhere;
  }
  .quoteTooltip .innerPost {
      overflow: hidden;
      box-shadow: -3px 3px 2px 0px rgba(0,0,0,0.19);
  }
  :root.fit-replies :not(.hidden).innerPost {
      margin-left: 10px;
      display: flow-root;
  }
  :root.fit-replies .quoteTooltip {
    display: table !important;
  }
  .scroll-arrow-btn {
      position: fixed;
      right: 50px;
      width: 36px;
      height: 35px;
      background: #222;
      color: #fff;
      border: none;
      border-radius: 50%;
      box-shadow: 0 2px 8px rgba(0,0,0,0.18);
      font-size: 22px;
      cursor: pointer;
      opacity: 0.7;
      z-index: 99998;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: opacity 0.2s, background 0.2s;
  }
  :root.ss-sidebar .scroll-arrow-btn {
      right: 330px !important;
  }
  .scroll-arrow-btn:hover {
      opacity: 1;
      background: #444;
  }
  #scroll-arrow-up {
      bottom: 80px;
  }
  #scroll-arrow-down {
      bottom: 32px;
  }
  `;
    addCustomCSS(css);
  }

  // Thread page CSS
  if (/\/res\/[^/]+\.html$/.test(currentPath)) {
    const css = `
  /* Quick Reply */
  :root.sticky-qr #quick-reply {
      display: block;
      top: auto !important;
      bottom: 0;
      left: auto !important;
      position: fixed;
      right: 0 !important;
  }
  :root.sticky-qr #qrbody {
      resize: vertical;
      max-height: 50vh;
      height: 130px;
  }
  #qrbody {
      min-width: 300px;
  }
  :root.bottom-header #quick-reply {
      bottom: 28px !important;
  }
  #quick-reply {
      padding: 0;
      opacity: 0.7;
      transition: opacity 0.3s ease;
  }
  #quick-reply:hover,
  #quick-reply:focus-within {
      opacity: 1;
  }
  .floatingMenu {
      padding: 0 !important;
  }
  #qrFilesBody {
      max-width: 300px;
  }
  /* Banner */
  :root.disable-banner #bannerImage {
      display: none;
  }
  :root.ss-sidebar #bannerImage {
      width: 305px;
      right: 0;
      position: fixed;
      top: 26px;
  }
  :root.ss-sidebar.bottom-header #bannerImage {
      top: 0 !important;
  }
  .innerUtility.top {
      margin-top: 2em;
      background-color: transparent !important;
      color: var(--link-color) !important;
  }
  .innerUtility.top a {
      color: var(--link-color) !important;
  }
  .quoteTooltip {
      z-index: 110;
  }
  /* (You) Replies */
  .innerPost:has(.youName) {
      border-left: dashed #68b723 3px;
  }
  .innerPost:has(.quoteLink.you) {
      border-left: solid #dd003e 3px;
  }
  /* Filename & Thumbs */
  .originalNameLink {
      display: inline;
      overflow-wrap: anywhere;
      white-space: normal;
  }
  .multipleUploads .uploadCell:not(.expandedCell) {
    max-width: 215px;
  }
  `;
    addCustomCSS(css);
  }

  // Catalog page CSS
  if (/\/catalog\.html$/.test(currentPath)) {
    const css = `
  #dynamicAnnouncement {
      display: none;
  }
  #postingForm {
      margin: 2em auto;
  }
  `;
    addCustomCSS(css);
  }
})();