Function useProfiles

src/hooks/useProfiles.ts:26–117

()

 * Hook providing profile CRUD operations.
 */
export function useProfiles() {
  const [profilesData, setProfilesData] = useState<ProfilesData>(loadProfilesData);

  // Sync to localStorage whenever state changes
  useEffect(() => {
    saveProfilesData(profilesData);
  }, [profilesData]);

  const profileNames = useMemo(() => {
    const names = Object.keys(profilesData.profiles);
    // Always include Default at the top
    if (!names.includes(DEFAULT_PROFILE_NAME)) {
      names.unshift(DEFAULT_PROFILE_NAME);
    }
    return names.sort((a, b) => {
      // Default always first
      if (a === DEFAULT_PROFILE_NAME) return -1;
      if (b === DEFAULT_PROFILE_NAME) return 1;
      return a.localeCompare(b);
    });
  }, [profilesData.profiles]);

  const activeProfile = profilesData.activeProfile;
  const isActiveProfileReadOnly = activeProfile === DEFAULT_PROFILE_NAME;

  /**
   * Save current settings as a named profile.
   * If name already exists, it will be overwritten.
   */
  const saveProfile = useCallback((name: string) => {
    const config = extractConfigurationFromStores();
    setProfilesData(prev => ({
      profiles: { ...prev.profiles, [name]: config },
      activeProfile: name,
    }));
  }, []);

  /**
   * Load and apply a profile's settings.
   * Default profile always uses fresh project defaults.
   */
  const loadProfile = useCallback((name: string) => {
    // Default profile always uses fresh project defaults
    const config = name === DEFAULT_PROFILE_NAME
      ? getDefaultConfiguration()
      : profilesData.profiles[name];
    if (!config) return;
    applyConfigurationToStores(config);
    setProfilesData(prev => ({ ...prev, activeProfile: name }));
  }, [profilesData.profiles]);

  /**
   * Delete a profile by name. Cannot delete the Default profile.
   */
  const deleteProfile = useCallback((name: string) => {
    if (name === DEFAULT_PROFILE_NAME) return; // Protect default profile
    setProfilesData(prev => {
      const { [name]: _removed, ...remaining } = prev.profiles;