import { useEffect, useRef, type Dispatch, type SetStateAction } from 'react';
import type { CustomKeyBindings, HotkeyScheme, SessionLogFormat, TerminalSettings, UILanguage } from '../../domain/models';
import { parseCustomKeyBindingsStorageRecord } from '../../domain/customKeyBindings';
import { resolveSupportedLocale } from '../../infrastructure/config/i18n';
import {
  STORAGE_KEY_AUTO_UPDATE_ENABLED,
  STORAGE_KEY_CUSTOM_CSS,
  STORAGE_KEY_CUSTOM_KEY_BINDINGS,
  STORAGE_KEY_EDITOR_WORD_WRAP,
  STORAGE_KEY_GLOBAL_HOTKEY_ENABLED,
  STORAGE_KEY_HOTKEY_SCHEME,
  STORAGE_KEY_SESSION_LOGS_DIR,
  STORAGE_KEY_SESSION_LOGS_ENABLED,
  STORAGE_KEY_SESSION_LOGS_FORMAT,
  STORAGE_KEY_SESSION_LOGS_TIMESTAMPS_ENABLED,
  STORAGE_KEY_SSH_DEBUG_LOGS_ENABLED,
  STORAGE_KEY_SSH_DEEP_LINK_ENABLED,
  STORAGE_KEY_JMS_DEEP_LINK_ENABLED,
  STORAGE_KEY_EXPLORER_CONTEXT_MENU_ENABLED,
  STORAGE_KEY_RESTORE_PREVIOUS_SESSION,
  STORAGE_KEY_RESTORE_TERMINAL_CWD,
  STORAGE_KEY_STARTUP_LANDING,
  STORAGE_KEY_SFTP_AUTO_OPEN_SIDEBAR,
  STORAGE_KEY_SFTP_FOLLOW_TERMINAL_CWD,
  STORAGE_KEY_SFTP_AUTO_SYNC,
  STORAGE_KEY_SFTP_DEFAULT_VIEW_MODE,
  STORAGE_KEY_SFTP_DOUBLE_CLICK_BEHAVIOR,
  STORAGE_KEY_SFTP_SHOW_HIDDEN_FILES,
  STORAGE_KEY_SFTP_TRANSFER_CONCURRENCY,
  STORAGE_KEY_SSH_TRANSPORT_IDLE_TTL_MS,
  STORAGE_KEY_SFTP_USE_COMPRESSED_UPLOAD,
  STORAGE_KEY_SFTP_SKIP_UNCHANGED,
  STORAGE_KEY_SHOW_ONLY_UNGROUPED_HOSTS_IN_ROOT,
  STORAGE_KEY_SHOW_RECENT_HOSTS,
  STORAGE_KEY_HOST_CLICK_BEHAVIOR,
  STORAGE_KEY_SHOW_SFTP_TAB,
  STORAGE_KEY_SHOW_HOST_TREE_SIDEBAR,
  STORAGE_KEY_TERMINAL_SIDE_PANEL_AUTO_OPEN,
  STORAGE_KEY_TERMINAL_SIDE_PANEL_AUTO_OPEN_TAB,
  STORAGE_KEY_SHELL_ONLY_TAB_NUMBER_SHORTCUTS,
  STORAGE_KEY_SHOW_TAB_NUMBER_BADGES,
  STORAGE_KEY_DISABLE_TERMINAL_FONT_ZOOM,
  STORAGE_KEY_TERM_FOLLOW_APP_THEME,
  STORAGE_KEY_TERM_FONT_FAMILY,
  STORAGE_KEY_TERM_FONT_SIZE,
  STORAGE_KEY_TERM_SETTINGS,
  STORAGE_KEY_TERM_THEME,
  STORAGE_KEY_TERM_THEME_DARK,
  STORAGE_KEY_TERM_THEME_LIGHT,
  STORAGE_KEY_UI_FONT_FAMILY,
  STORAGE_KEY_UI_LANGUAGE,
  STORAGE_KEY_WORKSPACE_FOCUS_STYLE,
  STORAGE_KEY_WINDOW_OPACITY,
  STORAGE_KEY_APP_ICON_VARIANT,
} from '../../infrastructure/config/storageKeys';
import { resolveAppIconVariant, type AppIconVariant } from '../../domain/appIconVariant';
import { resolveAppearanceStorageEvent } from './appearanceSync';
import {
  isValidUiFontId,
  migrateIncomingTerminalFontId,
} from './settingsStateDefaults';
import { isTerminalSidePanelAutoOpenTab, type TerminalSidePanelAutoOpenTab } from '../../domain/terminalSidePanelAutoOpen';
import { isHostClickBehavior, type HostClickBehavior } from '../../domain/hostClickBehavior';
import { isStartupLanding, type StartupLanding } from '../../domain/startupLanding';

interface UseSettingsStorageSyncParams {
  enabled?: boolean;
  theme: 'dark' | 'light' | 'system';
  lightUiThemeId: string;
  darkUiThemeId: string;
  accentMode: 'theme' | 'custom';
  customAccent: string;
  customAccentVersion: number;
  customCSS: string;
  uiFontFamilyId: string;
  hotkeyScheme: HotkeyScheme;
  uiLanguage: UILanguage;
  terminalThemeId: string;
  followAppTerminalTheme: boolean;
  terminalFontFamilyId: string;
  terminalFontSize: number;
  sftpDoubleClickBehavior: 'open' | 'transfer';
  sftpAutoSync: boolean;
  sftpShowHiddenFiles: boolean;
  sftpUseCompressedUpload: boolean;
  sftpSkipUnchanged: boolean;
  sftpAutoOpenSidebar: boolean;
  sftpFollowTerminalCwd: boolean;
  sftpDefaultViewMode: 'list' | 'tree';
  showRecentHosts: boolean;
  hostClickBehavior: HostClickBehavior;
  showOnlyUngroupedHostsInRoot: boolean;
  showSftpTab: boolean;
  showHostTreeSidebar: boolean;
  terminalSidePanelAutoOpen: boolean;
  terminalSidePanelAutoOpenTab: TerminalSidePanelAutoOpenTab;
  shellOnlyTabNumberShortcuts: boolean;
  showTabNumberBadges: boolean;
  disableTerminalFontZoom: boolean;
  restorePreviousSession: boolean;
  restoreTerminalCwd: boolean;
  startupLanding: StartupLanding;
  editorWordWrap: boolean;
  sessionLogsEnabled: boolean;
  sessionLogsDir: string;
  sessionLogsFormat: SessionLogFormat;
  sessionLogsTimestampsEnabled: boolean;
  sshDebugLogsEnabled: boolean;
  sshDeepLinkEnabled: boolean;
  jmsDeepLinkEnabled: boolean;
  explorerContextMenuEnabled: boolean;
  globalHotkeyEnabled: boolean;
  autoUpdateEnabled: boolean;
  windowOpacity: number;
  appIconVariant: AppIconVariant;
  setTheme: Dispatch<SetStateAction<'dark' | 'light' | 'system'>>;
  setLightUiThemeId: Dispatch<SetStateAction<string>>;
  setDarkUiThemeId: Dispatch<SetStateAction<string>>;
  setAccentMode: Dispatch<SetStateAction<'theme' | 'custom'>>;
  applyIncomingCustomAccent: (raw: unknown) => void;
  setCustomCSS: Dispatch<SetStateAction<string>>;
  setUiFontFamilyId: Dispatch<SetStateAction<string>>;
  setHotkeyScheme: Dispatch<SetStateAction<HotkeyScheme>>;
  setUiLanguage: Dispatch<SetStateAction<UILanguage>>;
  setTerminalThemeId: Dispatch<SetStateAction<string>>;
  setTerminalThemeDarkId: Dispatch<SetStateAction<string>>;
  setTerminalThemeLightId: Dispatch<SetStateAction<string>>;
  setFollowAppTerminalThemeState: Dispatch<SetStateAction<boolean>>;
  setTerminalFontFamilyId: Dispatch<SetStateAction<string>>;
  setTerminalFontSize: (raw: unknown) => void;
  setSftpDoubleClickBehavior: Dispatch<SetStateAction<'open' | 'transfer'>>;
  setSftpAutoSync: Dispatch<SetStateAction<boolean>>;
  setSftpShowHiddenFiles: Dispatch<SetStateAction<boolean>>;
  setSftpUseCompressedUpload: Dispatch<SetStateAction<boolean>>;
  setSftpSkipUnchanged: Dispatch<SetStateAction<boolean>>;
  setSftpAutoOpenSidebar: Dispatch<SetStateAction<boolean>>;
  setSftpFollowTerminalCwd: Dispatch<SetStateAction<boolean>>;
  setSftpDefaultViewMode: Dispatch<SetStateAction<'list' | 'tree'>>;
  setShowRecentHostsState: Dispatch<SetStateAction<boolean>>;
  setHostClickBehaviorState: Dispatch<SetStateAction<HostClickBehavior>>;
  setShowOnlyUngroupedHostsInRootState: Dispatch<SetStateAction<boolean>>;
  setShowSftpTabState: Dispatch<SetStateAction<boolean>>;
  setShowHostTreeSidebarState: Dispatch<SetStateAction<boolean>>;
  setTerminalSidePanelAutoOpenState: Dispatch<SetStateAction<boolean>>;
  setTerminalSidePanelAutoOpenTabState: Dispatch<SetStateAction<TerminalSidePanelAutoOpenTab>>;
  setShellOnlyTabNumberShortcutsState: Dispatch<SetStateAction<boolean>>;
  setShowTabNumberBadgesState: Dispatch<SetStateAction<boolean>>;
  setDisableTerminalFontZoomState: Dispatch<SetStateAction<boolean>>;
  setRestorePreviousSessionState: Dispatch<SetStateAction<boolean>>;
  setRestoreTerminalCwdState: Dispatch<SetStateAction<boolean>>;
  setStartupLandingState: Dispatch<SetStateAction<StartupLanding>>;
  setEditorWordWrapState: Dispatch<SetStateAction<boolean>>;
  setSessionLogsEnabled: Dispatch<SetStateAction<boolean>>;
  setSessionLogsDir: Dispatch<SetStateAction<string>>;
  setSessionLogsFormat: Dispatch<SetStateAction<SessionLogFormat>>;
  setSessionLogsTimestampsEnabled: Dispatch<SetStateAction<boolean>>;
  setSshDebugLogsEnabled: Dispatch<SetStateAction<boolean>>;
  setSshDeepLinkEnabledState: (enabled: boolean) => void;
  setJmsDeepLinkEnabledState: (enabled: boolean) => void;
  setExplorerContextMenuEnabledState: (enabled: boolean) => void;
  setGlobalHotkeyEnabled: Dispatch<SetStateAction<boolean>>;
  setWindowOpacity: (raw: unknown) => void;
  setAppIconVariant: Dispatch<SetStateAction<AppIconVariant>>;
  setAutoUpdateEnabled: Dispatch<SetStateAction<boolean>>;
  setWorkspaceFocusStyleState: Dispatch<SetStateAction<'dim' | 'border'>>;
  setSftpTransferConcurrencyState: Dispatch<SetStateAction<number>>;
  setSshTransportIdleTtlMsState: Dispatch<SetStateAction<number>>;
  applyIncomingCustomKeyBindings: (incoming: { bindings: CustomKeyBindings; version: number; origin: string }) => void;
  mergeIncomingTerminalSettings: (incoming: Partial<TerminalSettings>) => void;
}

export function useSettingsStorageSync({
  enabled = true,
  theme, lightUiThemeId, darkUiThemeId, accentMode, customAccent, customAccentVersion,
  customCSS, uiFontFamilyId, hotkeyScheme, uiLanguage,
  terminalThemeId, followAppTerminalTheme, terminalFontFamilyId, terminalFontSize,
  sftpDoubleClickBehavior, sftpAutoSync, sftpShowHiddenFiles,
  sftpUseCompressedUpload, sftpSkipUnchanged, sftpAutoOpenSidebar, sftpFollowTerminalCwd, sftpDefaultViewMode,
  showRecentHosts, hostClickBehavior, showOnlyUngroupedHostsInRoot, showSftpTab, showHostTreeSidebar, terminalSidePanelAutoOpen, terminalSidePanelAutoOpenTab, shellOnlyTabNumberShortcuts, showTabNumberBadges, disableTerminalFontZoom, restorePreviousSession, restoreTerminalCwd, startupLanding,
  editorWordWrap, sessionLogsEnabled, sessionLogsDir, sessionLogsFormat, sessionLogsTimestampsEnabled, sshDebugLogsEnabled, sshDeepLinkEnabled, jmsDeepLinkEnabled, explorerContextMenuEnabled,
  globalHotkeyEnabled, autoUpdateEnabled, windowOpacity, appIconVariant,
  setTheme, setLightUiThemeId, setDarkUiThemeId, setAccentMode, applyIncomingCustomAccent,
  setCustomCSS, setUiFontFamilyId, setHotkeyScheme, setUiLanguage,
  setTerminalThemeId, setTerminalThemeDarkId, setTerminalThemeLightId,
  setFollowAppTerminalThemeState, setTerminalFontFamilyId, setTerminalFontSize,
  setSftpDoubleClickBehavior, setSftpAutoSync, setSftpShowHiddenFiles,
  setSftpUseCompressedUpload, setSftpSkipUnchanged, setSftpAutoOpenSidebar, setSftpFollowTerminalCwd, setSftpDefaultViewMode,
  setShowRecentHostsState, setHostClickBehaviorState, setShowOnlyUngroupedHostsInRootState, setShowSftpTabState, setShowHostTreeSidebarState, setTerminalSidePanelAutoOpenState, setTerminalSidePanelAutoOpenTabState, setShellOnlyTabNumberShortcutsState, setShowTabNumberBadgesState, setDisableTerminalFontZoomState, setRestorePreviousSessionState, setRestoreTerminalCwdState, setStartupLandingState,
  setEditorWordWrapState, setSessionLogsEnabled, setSessionLogsDir, setSessionLogsFormat, setSessionLogsTimestampsEnabled, setSshDebugLogsEnabled, setSshDeepLinkEnabledState, setJmsDeepLinkEnabledState, setExplorerContextMenuEnabledState,
  setGlobalHotkeyEnabled, setWindowOpacity, setAppIconVariant, setAutoUpdateEnabled, setWorkspaceFocusStyleState,
  setSftpTransferConcurrencyState, setSshTransportIdleTtlMsState,
  applyIncomingCustomKeyBindings, mergeIncomingTerminalSettings,
}: UseSettingsStorageSyncParams) {
  // Fix 4: Keep a ref snapshot of current settings so the storage event handler
  // can compare without capturing 25+ state variables in its closure / dep array.
  // This avoids constant listener detach/reattach on every state change.
  const settingsSnapshotRef = useRef({
    theme, lightUiThemeId, darkUiThemeId, accentMode, customAccent, customAccentVersion,
    customCSS, uiFontFamilyId, hotkeyScheme, uiLanguage,
    terminalThemeId, followAppTerminalTheme, terminalFontFamilyId, terminalFontSize,
    sftpDoubleClickBehavior, sftpAutoSync, sftpShowHiddenFiles,
    sftpUseCompressedUpload, sftpSkipUnchanged, sftpAutoOpenSidebar, sftpFollowTerminalCwd, sftpDefaultViewMode,
    showRecentHosts, hostClickBehavior, showOnlyUngroupedHostsInRoot, showSftpTab, showHostTreeSidebar, terminalSidePanelAutoOpen, terminalSidePanelAutoOpenTab, shellOnlyTabNumberShortcuts, showTabNumberBadges, disableTerminalFontZoom, restorePreviousSession, restoreTerminalCwd, startupLanding,
    editorWordWrap, sessionLogsEnabled, sessionLogsDir, sessionLogsFormat, sessionLogsTimestampsEnabled, sshDebugLogsEnabled, sshDeepLinkEnabled, jmsDeepLinkEnabled, explorerContextMenuEnabled,
    globalHotkeyEnabled, autoUpdateEnabled, windowOpacity, appIconVariant,
  });
  settingsSnapshotRef.current = {
    theme, lightUiThemeId, darkUiThemeId, accentMode, customAccent, customAccentVersion,
    customCSS, uiFontFamilyId, hotkeyScheme, uiLanguage,
    terminalThemeId, followAppTerminalTheme, terminalFontFamilyId, terminalFontSize,
    sftpDoubleClickBehavior, sftpAutoSync, sftpShowHiddenFiles,
    sftpUseCompressedUpload, sftpSkipUnchanged, sftpAutoOpenSidebar, sftpFollowTerminalCwd, sftpDefaultViewMode,
    showRecentHosts, hostClickBehavior, showOnlyUngroupedHostsInRoot, showSftpTab, showHostTreeSidebar, terminalSidePanelAutoOpen, terminalSidePanelAutoOpenTab, shellOnlyTabNumberShortcuts, showTabNumberBadges, disableTerminalFontZoom, restorePreviousSession, restoreTerminalCwd, startupLanding,
    editorWordWrap, sessionLogsEnabled, sessionLogsDir, sessionLogsFormat, sessionLogsTimestampsEnabled, sshDebugLogsEnabled, sshDeepLinkEnabled, jmsDeepLinkEnabled, explorerContextMenuEnabled,
    globalHotkeyEnabled, autoUpdateEnabled, windowOpacity, appIconVariant,
  };

  // Listen for storage changes from other windows (cross-window sync)
  useEffect(() => {
    if (!enabled) return;
    const handleStorageChange = (e: StorageEvent) => {
      const s = settingsSnapshotRef.current;
      const appearance = resolveAppearanceStorageEvent(s, e.key, e.newValue);
      if (appearance.handled) {
        if (appearance.next.theme !== s.theme) setTheme(appearance.next.theme);
        if (appearance.next.lightUiThemeId !== s.lightUiThemeId) setLightUiThemeId(appearance.next.lightUiThemeId);
        if (appearance.next.darkUiThemeId !== s.darkUiThemeId) setDarkUiThemeId(appearance.next.darkUiThemeId);
        if (appearance.next.accentMode !== s.accentMode) setAccentMode(appearance.next.accentMode);
        if (
          appearance.next.customAccent !== s.customAccent
          || appearance.next.customAccentVersion !== s.customAccentVersion
        ) {
          applyIncomingCustomAccent({
            color: appearance.next.customAccent,
            version: appearance.next.customAccentVersion,
          });
        }
        return;
      }
      if (e.key === STORAGE_KEY_CUSTOM_CSS && e.newValue !== null) {
        if (e.newValue !== s.customCSS) {
          setCustomCSS(e.newValue);
        }
      }
      if (e.key === STORAGE_KEY_UI_FONT_FAMILY && e.newValue) {
        if (isValidUiFontId(e.newValue) && e.newValue !== s.uiFontFamilyId) {
          setUiFontFamilyId(e.newValue);
        }
      }
      if (e.key === STORAGE_KEY_HOTKEY_SCHEME && e.newValue) {
        const newScheme = e.newValue as HotkeyScheme;
        if (newScheme !== s.hotkeyScheme) {
          setHotkeyScheme(newScheme);
        }
      }
      if (e.key === STORAGE_KEY_UI_LANGUAGE && e.newValue) {
        const next = resolveSupportedLocale(e.newValue);
        if (next !== s.uiLanguage) {
          setUiLanguage(next as UILanguage);
        }
      }
      if (e.key === STORAGE_KEY_CUSTOM_KEY_BINDINGS && e.newValue) {
        const parsed = parseCustomKeyBindingsStorageRecord(e.newValue);
        if (parsed) {
          applyIncomingCustomKeyBindings(parsed);
        }
      }
      // Sync terminal settings from other windows
      if (e.key === STORAGE_KEY_TERM_SETTINGS && e.newValue) {
        try {
          const newSettings = JSON.parse(e.newValue) as TerminalSettings;
          mergeIncomingTerminalSettings(newSettings);
        } catch {
          // ignore parse errors
        }
      }
      // Sync terminal theme from other windows
      if (e.key === STORAGE_KEY_TERM_THEME && e.newValue) {
        if (e.newValue !== s.terminalThemeId) {
          setTerminalThemeId(e.newValue);
        }
      }
      // Sync per-mode follow terminal themes from other windows
      if (e.key === STORAGE_KEY_TERM_THEME_DARK && e.newValue) {
        const next = e.newValue;
        setTerminalThemeDarkId((prev) => (prev === next ? prev : next));
      }
      if (e.key === STORAGE_KEY_TERM_THEME_LIGHT && e.newValue) {
        const next = e.newValue;
        setTerminalThemeLightId((prev) => (prev === next ? prev : next));
      }
      // Sync follow-app-theme toggle from other windows
      if (e.key === STORAGE_KEY_TERM_FOLLOW_APP_THEME && e.newValue) {
        const next = e.newValue === 'true';
        if (next !== s.followAppTerminalTheme) {
          setFollowAppTerminalThemeState(next);
        }
      }
      // Sync terminal font family from other windows
      if (e.key === STORAGE_KEY_TERM_FONT_FAMILY && e.newValue) {
        const migrated = migrateIncomingTerminalFontId(e.newValue);
        if (migrated && migrated !== s.terminalFontFamilyId) {
          setTerminalFontFamilyId(migrated);
        }
      }
      // Sync terminal font size from other windows
      if (e.key === STORAGE_KEY_TERM_FONT_SIZE && e.newValue) {
        setTerminalFontSize(e.newValue);
      }
      // Sync SFTP double-click behavior from other windows
      if (e.key === STORAGE_KEY_SFTP_DOUBLE_CLICK_BEHAVIOR && e.newValue) {
        if ((e.newValue === 'open' || e.newValue === 'transfer') && e.newValue !== s.sftpDoubleClickBehavior) {
          setSftpDoubleClickBehavior(e.newValue);
        }
      }
      // Sync SFTP auto-sync setting from other windows
      if (e.key === STORAGE_KEY_SFTP_AUTO_SYNC && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.sftpAutoSync) {
          setSftpAutoSync(newValue);
        }
      }
      // Sync SFTP show hidden files setting from other windows
      if (e.key === STORAGE_KEY_SFTP_SHOW_HIDDEN_FILES && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.sftpShowHiddenFiles) {
          setSftpShowHiddenFiles(newValue);
        }
      }
      if (e.key === STORAGE_KEY_EDITOR_WORD_WRAP && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.editorWordWrap) {
          setEditorWordWrapState(newValue);
        }
      }
      if (e.key === STORAGE_KEY_SESSION_LOGS_ENABLED && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.sessionLogsEnabled) {
          setSessionLogsEnabled(newValue);
        }
      }
      if (e.key === STORAGE_KEY_SESSION_LOGS_DIR && e.newValue !== null) {
        if (e.newValue !== s.sessionLogsDir) {
          setSessionLogsDir(e.newValue);
        }
      }
      if (e.key === STORAGE_KEY_SESSION_LOGS_FORMAT && e.newValue) {
        if (
          (e.newValue === 'txt' || e.newValue === 'raw' || e.newValue === 'html') &&
          e.newValue !== s.sessionLogsFormat
        ) {
          setSessionLogsFormat(e.newValue);
        }
      }
      if (e.key === STORAGE_KEY_SESSION_LOGS_TIMESTAMPS_ENABLED && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.sessionLogsTimestampsEnabled) {
          setSessionLogsTimestampsEnabled(newValue);
        }
      }
      if (e.key === STORAGE_KEY_SSH_DEBUG_LOGS_ENABLED && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.sshDebugLogsEnabled) {
          setSshDebugLogsEnabled(newValue);
        }
      }
      if (e.key === STORAGE_KEY_SSH_DEEP_LINK_ENABLED && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.sshDeepLinkEnabled) {
          setSshDeepLinkEnabledState(newValue);
        }
      }
      if (e.key === STORAGE_KEY_JMS_DEEP_LINK_ENABLED && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.jmsDeepLinkEnabled) {
          setJmsDeepLinkEnabledState(newValue);
        }
      }
      if (e.key === STORAGE_KEY_EXPLORER_CONTEXT_MENU_ENABLED && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.explorerContextMenuEnabled) {
          setExplorerContextMenuEnabledState(newValue);
        }
      }
      // Sync SFTP compressed upload setting from other windows
      if (e.key === STORAGE_KEY_SFTP_USE_COMPRESSED_UPLOAD && e.newValue !== null) {
        const newValue = e.newValue === 'true' || e.newValue === 'enabled';
        if (newValue !== s.sftpUseCompressedUpload) {
          setSftpUseCompressedUpload(newValue);
        }
      }
      if (e.key === STORAGE_KEY_SFTP_SKIP_UNCHANGED && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.sftpSkipUnchanged) {
          setSftpSkipUnchanged(newValue);
        }
      }
      // Sync SFTP auto-open sidebar setting from other windows
      if (e.key === STORAGE_KEY_SFTP_AUTO_OPEN_SIDEBAR && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.sftpAutoOpenSidebar) {
          setSftpAutoOpenSidebar(newValue);
        }
      }
      if (e.key === STORAGE_KEY_SFTP_FOLLOW_TERMINAL_CWD && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.sftpFollowTerminalCwd) {
          setSftpFollowTerminalCwd(newValue);
        }
      }
      // Sync SFTP default view mode from other windows
      if (e.key === STORAGE_KEY_SFTP_DEFAULT_VIEW_MODE && e.newValue) {
        if ((e.newValue === 'list' || e.newValue === 'tree') && e.newValue !== s.sftpDefaultViewMode) {
          setSftpDefaultViewMode(e.newValue);
        }
      }
      if (e.key === STORAGE_KEY_SHOW_RECENT_HOSTS && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.showRecentHosts) {
          setShowRecentHostsState(newValue);
        }
      }
      if (e.key === STORAGE_KEY_HOST_CLICK_BEHAVIOR && e.newValue !== null) {
        if (isHostClickBehavior(e.newValue) && e.newValue !== s.hostClickBehavior) {
          setHostClickBehaviorState(e.newValue);
        }
      }
      if (e.key === STORAGE_KEY_SHOW_ONLY_UNGROUPED_HOSTS_IN_ROOT && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.showOnlyUngroupedHostsInRoot) {
          setShowOnlyUngroupedHostsInRootState(newValue);
        }
      }
      if (e.key === STORAGE_KEY_SHOW_SFTP_TAB && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.showSftpTab) {
          setShowSftpTabState(newValue);
        }
      }
      if (e.key === STORAGE_KEY_SHOW_HOST_TREE_SIDEBAR && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.showHostTreeSidebar) {
          setShowHostTreeSidebarState(newValue);
        }
      }
      if (e.key === STORAGE_KEY_TERMINAL_SIDE_PANEL_AUTO_OPEN && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.terminalSidePanelAutoOpen) {
          setTerminalSidePanelAutoOpenState(newValue);
        }
      }
      if (e.key === STORAGE_KEY_TERMINAL_SIDE_PANEL_AUTO_OPEN_TAB && e.newValue !== null) {
        if (isTerminalSidePanelAutoOpenTab(e.newValue) && e.newValue !== s.terminalSidePanelAutoOpenTab) {
          setTerminalSidePanelAutoOpenTabState(e.newValue);
        }
      }
      if (e.key === STORAGE_KEY_SHELL_ONLY_TAB_NUMBER_SHORTCUTS && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.shellOnlyTabNumberShortcuts) {
          setShellOnlyTabNumberShortcutsState(newValue);
        }
      }
      if (e.key === STORAGE_KEY_SHOW_TAB_NUMBER_BADGES && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.showTabNumberBadges) {
          setShowTabNumberBadgesState(newValue);
        }
      }
      if (e.key === STORAGE_KEY_DISABLE_TERMINAL_FONT_ZOOM && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.disableTerminalFontZoom) {
          setDisableTerminalFontZoomState(newValue);
        }
      }
      if (e.key === STORAGE_KEY_RESTORE_PREVIOUS_SESSION && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.restorePreviousSession) {
          setRestorePreviousSessionState(newValue);
        }
      }
      if (e.key === STORAGE_KEY_RESTORE_TERMINAL_CWD && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.restoreTerminalCwd) {
          setRestoreTerminalCwdState(newValue);
        }
      }
      if (e.key === STORAGE_KEY_STARTUP_LANDING && e.newValue !== null) {
        if (isStartupLanding(e.newValue) && e.newValue !== s.startupLanding) {
          setStartupLandingState(e.newValue);
        }
      }
      // Sync global hotkey enabled setting from other windows
      if (e.key === STORAGE_KEY_GLOBAL_HOTKEY_ENABLED && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.globalHotkeyEnabled) {
          setGlobalHotkeyEnabled(newValue);
        }
      }
      // Sync auto-update enabled setting from other windows
      if (e.key === STORAGE_KEY_AUTO_UPDATE_ENABLED && e.newValue !== null) {
        const newValue = e.newValue === 'true';
        if (newValue !== s.autoUpdateEnabled) {
          setAutoUpdateEnabled(newValue);
        }
      }
      if (e.key === STORAGE_KEY_WINDOW_OPACITY && e.newValue !== null) {
        setWindowOpacity(e.newValue);
      }
      if (e.key === STORAGE_KEY_APP_ICON_VARIANT && e.newValue !== null) {
        const newValue = resolveAppIconVariant(e.newValue);
        if (newValue !== s.appIconVariant) {
          setAppIconVariant(newValue);
        }
      }
      // Sync workspace focus style from other windows
      if (e.key === STORAGE_KEY_WORKSPACE_FOCUS_STYLE && e.newValue !== null) {
        if (e.newValue === 'dim' || e.newValue === 'border') {
          setWorkspaceFocusStyleState(e.newValue);
        }
      }
      // Sync transfer concurrency from other windows
      if (e.key === STORAGE_KEY_SFTP_TRANSFER_CONCURRENCY && e.newValue !== null) {
        const num = Number(e.newValue);
        if (num >= 1 && num <= 16) {
          setSftpTransferConcurrencyState(num);
        }
      }
      if (e.key === STORAGE_KEY_SSH_TRANSPORT_IDLE_TTL_MS && e.newValue !== null) {
        const num = Number(e.newValue);
        if (num === 0 || num === 60_000 || num === 300_000 || num === 900_000 || num === 1_800_000) {
          setSshTransportIdleTtlMsState((prev) => (prev === num ? prev : num));
        }
      }
    };

    window.addEventListener('storage', handleStorageChange);
    return () => window.removeEventListener('storage', handleStorageChange);
  }, [
    enabled,
    applyIncomingCustomKeyBindings,
    mergeIncomingTerminalSettings,
    setAccentMode,
    setAutoUpdateEnabled,
    applyIncomingCustomAccent,
    setCustomCSS,
    setDarkUiThemeId,
    setEditorWordWrapState,
    setFollowAppTerminalThemeState,
    setGlobalHotkeyEnabled,
    setHostClickBehaviorState,
    setWindowOpacity,
    setAppIconVariant,
    setHotkeyScheme,
    setLightUiThemeId,
    setSessionLogsDir,
    setSessionLogsEnabled,
    setSessionLogsFormat,
    setSessionLogsTimestampsEnabled,
    setSshDeepLinkEnabledState,
    setJmsDeepLinkEnabledState,
    setExplorerContextMenuEnabledState,
    setSshDebugLogsEnabled,
    setSftpAutoOpenSidebar,
    setSftpFollowTerminalCwd,
    setSftpAutoSync,
    setSftpDefaultViewMode,
    setSftpDoubleClickBehavior,
    setSftpShowHiddenFiles,
    setSftpTransferConcurrencyState,
    setSshTransportIdleTtlMsState,
    setSftpUseCompressedUpload,
    setSftpSkipUnchanged,
    setShowOnlyUngroupedHostsInRootState,
    setShowHostTreeSidebarState,
    setTerminalSidePanelAutoOpenState,
    setTerminalSidePanelAutoOpenTabState,
    setShowRecentHostsState,
    setShowSftpTabState,
    setShellOnlyTabNumberShortcutsState,
    setShowTabNumberBadgesState,
    setDisableTerminalFontZoomState,
    setRestorePreviousSessionState,
    setRestoreTerminalCwdState,
    setStartupLandingState,
    setTerminalFontFamilyId,
    setTerminalFontSize,
    setTerminalThemeDarkId,
    setTerminalThemeId,
    setTerminalThemeLightId,
    setTheme,
    setUiFontFamilyId,
    setUiLanguage,
    setWorkspaceFocusStyleState,
  ]);


}