/** axios封装
 * 请求拦截、相应拦截、错误统一处理
 */
import axios from "axios";
// import QS from 'qs'
// import store from '../store/index'
import router from "@/router/index";
import { Message } from "element-ui";
axios.defaults.baseURL = process.env.VUE_APP_API_URL;
axios.defaults.withCredentials = true;

// 请求超时时间
axios.defaults.timeout = 30000;

// post请求头
axios.defaults.headers.post["Content-Type"] = "application/json;charset=UTF-8";

// 响应拦截器
axios.interceptors.response.use(
  response => {
    if (response.status === 200) {
      Message.closeAll();
      if (response.data.code !== "00") {
        Message({
          message: response.data.msg,
          type: "error",
          duration: 6000
        });
      }
      return Promise.resolve(response);
    } else {
      return Promise.reject(response);
    }
  },
  // 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:
          router.replace({
            path: "/login",
            query: {
              redirect: router.currentRoute.fullPath
            }
          });
          break;
        // 403 token过期
        // 登录过期对用户进行提示
        // 清除本地token和清空vuex中token对象
        // 跳转登录页面
        case 403:
          Message({
            message: "登录过期，请重新登录",
            type: "error",
            duration: 6000
          });
          // 清除token
          // localStorage.removeItem('token')
          // store.commit('loginSuccess', null)
          // 跳转登录页面，并将要浏览的页面fullPath传过去，登录成功后跳转需要访问的页面
          setTimeout(() => {
            router.replace({
              path: "/login",
              query: {
                redirect: router.currentRoute.fullPath
              }
            });
          }, 1000);
          break;
        // 404请求不存在
        case 404:
          Message({
            message: "网络请求不存在",
            type: "error",
            duration: 6000
          });
          break;
        // 其他错误，直接抛出错误提示
        default:
          error.response &&
            error.response.data &&
            error.response.data.message &&
            Message({
              message: error.response.data.message,
              type: "error",
              duration: 6000
            });
      }
      return Promise.reject(error.response);
    }
  }
);

/**
 * get方法，对应get请求
 * @param {String} url [请求的url地址]
 * @param {Object} params [请求时携带的参数]
 */
export function get(url, params) {
  return new Promise((resolve, reject) => {
    axios
      .get(url, {
        params: params
      })
      .then(res => {
        resolve(res.data);
      })
      .catch(err => {
        reject(err.data);
      });
  });
}
/**
 * post方法，对应post请求
 * @param {String} url [请求的url地址]
 * @param {Object} params [请求时携带的参数]
 */
export function post(url, params, responseType) {
  return new Promise((resolve, reject) => {
    axios
      .post(url, params, responseType)
      .then(res => {
        resolve(res.data);
      })
      .catch(err => {
        // console.log(err)
        reject(err.data);
      });
  });
}
// 文件下载
export function downFile(url, params) {
  return axios({
    headers: {
      "Content-Type": "application/json; application/octet-stream"
    },
    responseType: "blob",
    method: "post",
    url: url,
    params: params
  }).then(res => {
    if (!res || !res.data || res.code !== "00") {
      return;
    }
    Message.closeAll();
    const loading = this.$loading({
      lock: true,
      text: "下载中，请稍后！",
      background: "rgba(0, 0, 0, 0.7)"
    });
    setTimeout(() => {
      loading.close();
    }, 2000);
    var blob = new Blob([res.data], { type: "application/octet-binary" });
    const fileDownload = require("js-file-download");
    fileDownload(blob, `${params.fileName}.zip`);
  });
}
export const downloadFile = (url, param) => {
  const self = this;

  axios({
    method: "post",
    url: url + "?v=" + Math.random(),
    responseType: "blob",
    headers: {
      "Content-Type": "application/json; application/octet-stream",
      "data-type": "Buffer"
    },
    params: param
  })
    .then(res => {
      if (res) {
        const fileDownload = require("js-file-download");
        fileDownload(res.data, `${param.fileName}.zip`);
        Message.closeAll();
      } else {
        setTimeout(() => {
          self.$message.warning("下载文件失败，请稍后重试！");
        }, 1000);
        Message.closeAll();
      }
    })
    .catch(err => {
      self.$message.error(err);
    });
};
export const downloadExcel = (url, param) => {
  const self = this;

  axios({
    method: "post",
    url: url + "?v=" + Math.random(),
    responseType: "blob",
    headers: {
      "Content-Type": "application/json; application/octet-stream",
      "data-type": "Buffer"
    },
    params: param
  })
    .then(res => {
      if (res) {
        const fileDownload = require("js-file-download");
        fileDownload(res.data, `${param.fileName}.xls`);
        Message.closeAll();
      } else {
        setTimeout(() => {
          self.$message.warning("下载文件失败，请稍后重试！");
        }, 1000);
        Message.closeAll();
      }
    })
    .catch(err => {
      self.$message.error(err);
    });
};