export const BRAND = {
  red: '#A02D30',
  yellow: '#FFC107',
  bg: '#f5f5f5',
  text: '#333',
  muted: '#999',
};

export const apiBase = '/api/v1';

export async function request<T>(
  clientApp: string,
  path: string,
  options: RequestInit = {},
): Promise<T> {
  const token = localStorage.getItem('accessToken');
  const headers: Record<string, string> = {
    'Content-Type': 'application/json',
    'X-Client-App': clientApp,
    ...(options.headers as Record<string, string>),
  };
  if (token) headers.Authorization = `Bearer ${token}`;

  const res = await fetch(`${apiBase}${path}`, { ...options, headers });
  const json = await res.json();
  if (json.code !== 0) throw new Error(json.message || '请求失败');
  return json.data as T;
}

export function saveAuth(data: { accessToken: string; refreshToken?: string }) {
  localStorage.setItem('accessToken', data.accessToken);
  if (data.refreshToken) localStorage.setItem('refreshToken', data.refreshToken);
}

export function clearAuth() {
  localStorage.removeItem('accessToken');
  localStorage.removeItem('refreshToken');
}

export function isLoggedIn() {
  return !!localStorage.getItem('accessToken');
}