import { createContext, useContext } from 'react';

export interface AuthUser {
  userId: string;
  userName: string;
  loginName?: string;
  permissionLevel: string;
  depCode?: string;
  depName: string;
  roles?: string[];
}
export interface AuthState {
  isLoading: boolean;
  isAuthenticated: boolean;
  user: AuthUser | null;
  error: string | null;
  actor?: AuthUser | null;
  canPreview?: boolean;
  preview?: { user: AuthUser; expiresAt: string } | null;
  identityVersion?: number;
  previewNotice?: string | null;
  startPreview?: (userId: string) => Promise<void>;
  stopPreview?: () => Promise<void>;
  clearPreviewNotice?: () => void;
}
export const AuthContext = createContext<AuthState>({ isLoading: true, isAuthenticated: false, user: null, error: null });
export function useAuth() { return useContext(AuthContext); }