export const ADMIN_TOKEN_STORAGE_KEY = 'genarrative_admin_token';

// 管理员 token 与玩家 token 分开保存，避免后台请求误复用玩家登录态。
export function getStoredAdminToken() {
  if (!canUseLocalStorage()) {
    return '';
  }

  return window.localStorage.getItem(ADMIN_TOKEN_STORAGE_KEY)?.trim() || '';
}

export function setStoredAdminToken(token: string) {
  if (!canUseLocalStorage()) {
    return;
  }

  const nextToken = token.trim();
  if (nextToken) {
    window.localStorage.setItem(ADMIN_TOKEN_STORAGE_KEY, nextToken);
    return;
  }

  window.localStorage.removeItem(ADMIN_TOKEN_STORAGE_KEY);
}

export function clearStoredAdminToken() {
  setStoredAdminToken('');
}

function canUseLocalStorage() {
  return (
    typeof window !== 'undefined' && typeof window.localStorage !== 'undefined'
  );
}