export const STORAGE_KEYS = {
  ACCESS_TOKEN: "access_token",
  ADMIN_PROFILE: "admin_profile",
} as const;

export function getStoredToken(): string | null {
  if (typeof window === "undefined") return null;
  return localStorage.getItem(STORAGE_KEYS.ACCESS_TOKEN);
}

export function setStoredToken(token: string): void {
  if (typeof window === "undefined") return;
  localStorage.setItem(STORAGE_KEYS.ACCESS_TOKEN, token);
}

export function getStoredAdminProfile<T = unknown>(): T | null {
  if (typeof window === "undefined") return null;
  const raw = localStorage.getItem(STORAGE_KEYS.ADMIN_PROFILE);
  if (!raw) return null;
  try {
    return JSON.parse(raw) as T;
  } catch {
    return null;
  }
}

export function setStoredAdminProfile(profile: unknown): void {
  if (typeof window === "undefined") return;
  localStorage.setItem(STORAGE_KEYS.ADMIN_PROFILE, JSON.stringify(profile));
}

export function clearAuthStorage(): void {
  if (typeof window === "undefined") return;
  localStorage.removeItem(STORAGE_KEYS.ACCESS_TOKEN);
  localStorage.removeItem(STORAGE_KEYS.ADMIN_PROFILE);
}