import axios from "axios";

const api = axios.create({
  baseURL: import.meta.env.VITE_API_BASE_URL,
  timeout: 10000,
  headers: {
    "Content-Type": "application/json",
  },
});

// 请求拦截器 — 注入 JWT token
api.interceptors.request.use(
  (config) => {
    const token = localStorage.getItem("track_admin_token");
    if (token) {
      config.headers.Authorization = `Bearer ${token}`;
    }
    return config;
  },
  (error) => Promise.reject(error),
);

// 响应拦截器 — 统一错误处理
api.interceptors.response.use(
  (response) => response,
  (error) => {
    if (error.response?.status === 401) {
      // Token 过期或无效 → 清除并跳转登录
      localStorage.removeItem("track_admin_token");
      localStorage.removeItem("track_admin_user");
      if (window.location.pathname.startsWith("/admin")) {
        window.location.href = "/admin/login";
      }
    }
    return Promise.reject(error);
  },
);

export default api;