import axios from "axios";
import { showNotify, showDialog } from 'vant';
import { Local, Session } from '/@/utils/storage';
import errorCode from "/@/utils/errorCode.js";
import { useRouter } from 'vue-router'
const router = useRouter()

axios.defaults.headers["Content-Type"] = "application/json;charset=utf-8";

const service: any = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  baseURL: import.meta.env.VITE_API_URL,
  // 超时
  timeout: 60000
});

// request拦截器
service.interceptors.request.use(
  config => {
    config.headers["Tenant"] = import.meta.env.VITE_TENANT;
    // 是否需要设置 token
    const isToken = (config.headers || {}).isToken === false;
    if (Local.get('token') && !isToken) {
      config.headers["Authorization"] = "Bearer " + Local.get('token'); // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    return config;
  },
  error => {
    console.log(error);
    Promise.reject(error);
  }
);

// 响应拦截器
service.interceptors.response.use(
  res => {
    if (res.request.responseType == "blob") {
      // 判断是否是文件流
      let fileReader = new FileReader();
      fileReader.readAsText(res.data);
      fileReader.onload = function() {
        try {
          let jsonData = JSON.parse(this.result as string); // 解析成功说明是普通对象数据，后端返回的是文件上传的错误信息
          res.data = jsonData;
          processResponse(res);
          return;
        } catch (err) {
          // 解析成对象失败，说明是文件流
          downLoadBlobFile(res);
          return;
        }
      };
    }

    // 常规响应处理
    return processResponse(res);
  },
  error => {
    console.log("err" + error);
    showNotify({
      message: error.message,
      type: "danger",
      duration: 5 * 1000
    });
    return Promise.reject(error);
  }
);

service.postRequest = function postRequest(basePath, srvName, funcName, data) {
  if (data == undefined) {
    let nullParam = {
      nullparam: 0
    };
    data = nullParam;
  }

  return service.request({
    url: basePath,
    method: "post",
    headers: {
      "Content-Type": "application/rpcx",
      "X-RPCX-SerializeType": "1",
      "X-RPCX-ServicePath": srvName,
      "X-RPCX-ServiceMethod": funcName
    },
    data: data
  });
};
// 发出请求并要求把客户端信息传输给后端（IP和User-Agent）
service.postRequestWithClientInfo = function postRequest(
  basePath,
  srvName,
  funcName,
  data
) {
  if (data == undefined) {
    let nullParam = { nullparam: 0 };
    data = nullParam;
  }
  return service.request({
    url: basePath,
    method: "post",
    headers: {
      "Content-Type": "application/rpcx",
      "X-RPCX-SerializeType": "1",
      "X-RPCX-ServicePath": srvName,
      "X-RPCX-ServiceMethod": funcName,
      "X-RPCX-Meta": "need_clint_Info=1"
    },
    data: data
  });
};

// Excel文件下载（服务端生成文件流）
service.downloadExcel = function downloadExcel(
  basePath,
  srvName,
  funcName,
  data
) {
  if (data == undefined) {
    let nullParam = {
      nullparam: 0
    };
    data = nullParam;
  }
  var base_Path = "";
  if (basePath == import.meta.env.VUE_APP_FOSHAN_PATH) {
    base_Path = import.meta.env.VUE_APP_MicroSrvProxy_foshan_API + basePath;
  } else if (basePath == import.meta.env.VUE_APP_AdminPath) {
    base_Path = import.meta.env.VUE_APP_MicroSrvProxy_API + basePath;
  }
  service.request({
    url: base_Path,
    method: "post",
    responseType: "blob",
    headers: {
      "Content-Type": "application/rpcx",
      "X-RPCX-SerializeType": "1",
      "X-RPCX-ServicePath": srvName,
      "X-RPCX-ServiceMethod": funcName
    },
    data: data
  });
};

function processResponse(res) {
  // 未设置状态码则默认成功状态
  const code = res.data.code || 200;
  // 获取错误信息
  const message = errorCode[code] || res.data.message || errorCode["default"];
  if (code === 401) {
    showDialog({
      message: "登录状态已过期，请重新登录"
    }).then(() => {
      // / 清除缓存/token等
      Session.clear();
      Local.remove('token')
      window.location.reload()
    })
  } else if (code === 500) {
    showNotify({
      message: message,
      type: "danger"
    });
    return Promise.reject(new Error(message));
  } else if (code !== 200) {
    showNotify({ message: message, type: 'danger' });
    return Promise.reject(res.data);
  } else {
    // if (res.data.msg) {
    //   Message({
    //     message: res.data.msg,
    //     type: "success"
    //   });
    // }
    return res.data;
  }
}

function downLoadBlobFile(res: any, mimeType?: string) {
  if (mimeType == undefined) {
    mimeType = "application/vnd.ms-excel";
  }
  const aLink = document.createElement("a");
  var blob = new Blob([res.data], {
    type: mimeType
  });
  // //从response的headers中获取filename, 后端response.setHeader("Content-disposition", "attachment; filename=xxxx.docx") 设置的文件名;
  var patt = new RegExp("filename=([^;]+\\.[^\\.;]+);*");
  var contentDisposition = decodeURI(
    res.headers["content-disposition"] || res.headers["Content-Disposition"]
  );
  var result = patt.exec(contentDisposition);
  var fileName = "data.xlsx";
  if (result != undefined) {
    fileName = result[1];
    fileName = decodeURI(escape(fileName));
    fileName = fileName.replace(/\"/g, "");
  }
  aLink.href = URL.createObjectURL(blob);
  aLink.setAttribute("download", fileName); // 设置下载文件名称
  document.body.appendChild(aLink);
  aLink.click();
  document.body.appendChild(aLink);
}

export default service;