import Fly from "flyio/dist/npm/wx";
import $store from "../store";
import { handleLoginFailure } from "@/utils";
import { VUE_APP_API_URL } from "@/config";
import cookie from "@/utils/store/cookie";


const fly = new Fly()
fly.config.baseURL = VUE_APP_API_URL

fly.interceptors.response.use(
  response => {
    // console.log(response)
    // 定时刷新access-token
    return response;
  },
  error => {
    if (error.toString() == 'Error: Network Error') {
      console.log('————————')
      console.log('发送请求失败', error)
      console.log('————————')
      handleLoginFailure();
      return Promise.reject({ msg: "未登录", toLogin: true });
    }
    if (error.status == 401) {
      console.log('————————')
      console.log('登录失效 401', error)
      console.log('————————')
      handleLoginFailure();
      return Promise.reject({ msg: "未登录", toLogin: true });
    }
    return Promise.reject(error);
  }
);

const defaultOpt = { login: true };

function baseRequest(options) {

  // 从缓存中获取 token 防止 token 失效后还会继续请求的情况
  const token = cookie.get('login_status');

  // 合并传参过来的 headers
  // 如果接口需要登录，携带 token 去请求
  options.headers = {
    ...options.headers,
    Authorization: "Bearer " + token
  }

  // 如果需要登录才可访问的接口没有拿到 token 视为登录失效
  if (options.login === true && !token) {
    // 跳转到登录或授权页面
    handleLoginFailure();
    // 提示错误信息
    return Promise.reject({ msg: "未登录", toLogin: true });
  }
  // 结构请求需要的参数
  const { url, params, data, login, ...option } = options

  // 发起请求
  return fly.request(url, params || data, {
    ...option
  }).then(res => {
    const data = res.data || {};
    if (res.status !== 200) {
      return Promise.reject({ msg: "请求失败", res, data });
    }
    console.log(data.status)
    if ([401, 403].indexOf(data.status) !== -1) {
      handleLoginFailure();
      return Promise.reject({ msg: res.data.msg, res, data, toLogin: true });
    } else if (data.status === 200) {
      return Promise.resolve(data, res);
    } else {
      return Promise.reject({ msg: res.data.msg, res, data });
    }
  });
}

/**
 * http 请求基础类
 * 参考文档 https://www.kancloud.cn/yunye/axios/234845
 *
 */
const request = ["post", "put", "patch"].reduce((request, method) => {
  /**
   *
   * @param url string 接口地址
   * @param data object get参数
   * @param options object axios 配置项
   * @returns {AxiosPromise}
   */
  request[method] = (url, data = {}, options = {}) => {
    return baseRequest(
      Object.assign({ url, data, method }, defaultOpt, options)
    );
  };
  return request;
}, {});

["get", "delete", "head"].forEach(method => {
  /**
   *
   * @param url string 接口地址
   * @param params object get参数
   * @param options object axios 配置项
   * @returns {AxiosPromise}
   */
  request[method] = (url, params = {}, options = {}) => {
    return baseRequest(
      Object.assign({ url, params, method }, defaultOpt, options)
    );
  };
});

export default request;