const TOKEN_KEY = 'catstagram_token';
const USER_KEY = 'catstagram_user';

export interface User {
  id: number;
  username: string;
  points: number;
  is_admin?: boolean;
  created_at?: string;
}

export function getToken(): string | null {
  return localStorage.getItem(TOKEN_KEY);
}

export function setToken(token: string): void {
  localStorage.setItem(TOKEN_KEY, token);
}

export function getUser(): User | null {
  const raw = localStorage.getItem(USER_KEY);
  return raw ? JSON.parse(raw) : null;
}

export function setUser(user: User): void {
  localStorage.setItem(USER_KEY, JSON.stringify(user));
}

export function clearAuth(): void {
  localStorage.removeItem(TOKEN_KEY);
  localStorage.removeItem(USER_KEY);
}

export function isAuthenticated(): boolean {
  return !!getToken();
}