import axios from "axios";
import Util from "@/libs/util";
import router from "@/router/index";
import Setting from "@/setting";
import store from '@/store'

const service = axios.create({
  baseURL: Setting.apiBaseURL,
  timeout: 10000000
});
// post请求头
service.defaults.headers.post["Content-Type"] = "application/json;charset=UTF-8";

// 请求拦截器
service.interceptors.request.use(config => {
  let token = Util.session.get(Setting.tokenKey);
  if (token) config.headers.token = token
  return config;
}, err => {
  Util.errorMsg({
    message: "退出登陆",
    onClose: function () {
      store.dispatch('user/logout')
    }
  });
  return Promise.reject(err);
});

let logouted = 0;
// 响应拦截器
service.interceptors.response.use(
  response => {
    const res = response.data;
    if (res.status == 200 || res.status == 10000 || res.status == 30001) {
      return Promise.resolve(res).catch(e => { });
    } else if (res.code === 401) {
      // 账号互踢
      if (!logouted) {
        Util.local.remove(Setting.storeKey)
        Util.local.remove(Setting.tokenKey)
        Util.errorMsg(res.msg.includes('顶') ? '您的账号已在其他设备登录，您已被迫下线！' : '登录过期，请重新登录！')
        setTimeout(() => {
          store.dispatch('user/logout')
          logouted = 0
        }, 2000)
        logouted = 1
      }
    } else if (!res.status) {
      return Promise.resolve(res).catch(e => { });
    } else {
      res.message && Util.errorMsg(res.message)
      return Promise.reject(res)
    }
  },
  // 服务器状态码不是200的情况
  error => {
    if (error.response.status) {
      switch (error.response.status) {
        // 401: 未登录
        // 未登录则跳转登录页面，并携带当前页面的路径
        // 在登录成功后返回当前页面，这一步需要在登录页操作。
        case 401:
          if (!logouted) {
            Util.local.remove(Setting.storeKey);
            Util.local.remove(Setting.tokenKey);
            Util.errorMsg("登录过期，请重新登录");
            setTimeout(() => {
              store.dispatch('user/logout')
            }, 1000);
            logouted = 1
          }
          break;
        case 500:
          Util.errorMsg("网络错误");
          break;
        // 404请求不存在
        case 404:
          Util.errorMsg("网络请求不存在!");
          break;
        // 其他错误，直接抛出错误提示
        default:
          Util.errorMsg(error.response.data.message);
          Promise.reject(res);
      }
      return Promise.reject(error.response);
    }
  }
);

function get (url, params) {
  return new Promise((resolve, reject) => {
    service.get(url, { params: params }).then(res => {
      resolve(res);
    }).catch(err => {
      reject(err);
    });
  });
}

function post (url, params) {
  return new Promise((resolve, reject) => {
    service.post(url, params).then(res => {
      resolve(res);
    }).catch(err => {
      reject(err.data);
    });
  });
}

function del (url, params) {
  return new Promise((resolve, reject) => {
    service.delete(url, {
      params
    }).then(res => {
      resolve(res);
    }).catch(err => {
      reject(err.data);
    });
  });
}

function put (url, params) {
  return new Promise((resolve, reject) => {
    service.put(url, params).then(res => {
      resolve(res);
    }).catch(err => {
      reject(err.data);
    });
  });
}

export { get, post, del, put };