import axios from "axios";

// 获取存储的IP地址
const getBaseURL = () => {
  const storedIP = uni.getStorageSync("apiBaseURL");
  if (storedIP) {
    // 如果存储的IP不包含协议，自动添加http://
    return storedIP.startsWith("http") ? storedIP : `http://${storedIP}`;
  }
  return import.meta.env.VITE_API_BASE_URL || "/api";
};

// 创建 axios 实例
const http = axios.create({
  baseURL: getBaseURL(),
  timeout: 10000,
  headers: {
    "Content-Type": "application/json",
  },
});

// 设置IP地址的方法（供外部调用）
export const setBaseURL = (ip) => {
  const baseURL = ip.startsWith("http") ? ip : `http://${ip}`;
  http.defaults.baseURL = baseURL;
  uni.setStorageSync("apiBaseURL", baseURL);
};

// 请求拦截器
http.interceptors.request.use(
  (config) => {
    // 每次请求前更新baseURL（从存储中获取最新的IP）
    const storedIP = uni.getStorageSync("apiBaseURL");
    if (storedIP) {
      const baseURL = storedIP.startsWith("http") ? storedIP : `http://${storedIP}`;
      config.baseURL = baseURL;
    }

    // 从本地存储获取 token
    const token = uni.getStorageSync("token");
    if (token) {
      config.headers.Authorization = `Bearer ${token}`;
    }

    // 显示 loading
    uni.showLoading({ title: "加载中..." });

    return config;
  },
  (error) => {
    uni.hideLoading();
    return Promise.reject(error);
  }
);

// 响应拦截器
http.interceptors.response.use(
  (response) => {
    uni.hideLoading();

    const { data } = response;
    // console.log(data);
    
    // 根据业务状态码处理（可根据实际接口调整）
    // if (data.code === 200 || data.code === 0) {
    //   return data;
    // }

    // // 业务错误提示
    // uni.showToast({
    //   title: data.message || "请求失败",
    //   icon: "none",
    // });

    // return Promise.reject(data);
    return data;
  },
  (error) => {
    uni.hideLoading();

    // HTTP 错误处理
    let message = "网络错误";
    if (error.response) {
      switch (error.response.status) {
        case 401:
          message = "登录已过期，请重新登录";
          // 清除 token 并跳转登录页
          uni.removeStorageSync("token");
          uni.reLaunch({ url: "/pages/index/index" });
          break;
        case 403:
          message = "没有权限访问";
          break;
        case 404:
          message = "请求资源不存在";
          break;
        case 500:
          message = "服务器错误";
          break;
        default:
          message = error.response.data?.message || "请求失败";
      }
    } else if (error.code === "ECONNABORTED") {
      message = "请求超时";
    }

    uni.showToast({ title: message, icon: "none" });

    return Promise.reject(error);
  }
);

// 封装请求方法
export const get = (url, params, config = {}) => {
  return http.get(url, { params, ...config });
};

export const post = (url, data, config = {}) => {
  return http.post(url, data, config);
};

export const put = (url, data, config = {}) => {
  return http.put(url, data, config);
};

export const del = (url, params, config = {}) => {
  return http.delete(url, { params, ...config });
};

export default http;