import axios from "axios";
import { Notification, MessageBox, Message } from "element-ui";
import store from "@/store";
import { getToken } from "@/utils/auth";
import errorCode from "@/utils/errorCode";
import { Encrypt } from "@/utils/encryp";
import { tansParams } from "@/utils/ruoyi";
import { getAcceptLanguage } from "@/utils/language";
import cache from "@/plugins/cache";
import { t } from "@/lang";

// 是否显示重新登录
export let isRelogin = { show: false };

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

// 创建 axios 实例
const service = axios.create({
  // axios 中请求配置有 baseURL 选项，表示请求 URL 公共部分
  baseURL: process.env.VUE_APP_BASE_API,
  // 超时
  timeout: 10000,
});

// request 拦截器
service.interceptors.request.use(
  (config) => {
    // 接口密码加密
    const encryptUrls = [
      "/merchant/merchantInfo",
      "/merchant/merchantInfo/updateMerchantPwdAdmin",
      "/business/businessUser",
      "/business/businessUser/employee",
      "/business/businessUser/resetPwd",
      "/business/businessUser/profile/updatePwd",
    ];
    if (encryptUrls.includes(config.url)) {
      const encryptMap = [
        "passwordHash",
        "newPasswordHash",
        "oldPassword",
        "newPassword",
      ];
      encryptMap.forEach((key) => {
        if (config.data && config.data[key]) {
          config.data[key] = Encrypt(config.data[key]);
        }
        if (config.params && config.params[key]) {
          config.params[key] = Encrypt(config.params[key]);
        }
      });
    }

    // 是否需要设置 token
    const isToken = (config.headers || {}).isToken === false;
    // 是否需要防止数据重复提交
    const isRepeatSubmit = (config.headers || {}).repeatSubmit === false;

    if (getToken() && !isToken) {
      config.headers["Authorization"] = "Bearer " + getToken();
    }
    console.log(`语言：${getAcceptLanguage()}`)
    console.log("navigator.language =", navigator.language);
console.log("navigator.languages =", navigator.languages);
console.log("localStorage.language =", localStorage.getItem("language"));
    config.headers["Accept-Language"] = getAcceptLanguage();

    const clientTimeZone =
      (Intl.DateTimeFormat &&
        Intl.DateTimeFormat().resolvedOptions &&
        Intl.DateTimeFormat().resolvedOptions().timeZone) ||
      "Asia/Shanghai";
    config.headers["X-Timezone"] = clientTimeZone;
   console.log(`时区：${clientTimeZone}`)
    // get 请求映射 params 参数
    if (config.method === "get" && config.params) {
      let url = config.url + "?" + tansParams(config.params);
      url = url.slice(0, -1);
      config.params = {};
      config.url = url;
    }

    if (
      !isRepeatSubmit &&
      (config.method === "post" || config.method === "put")
    ) {
      const requestObj = {
        url: config.url,
        data:
          typeof config.data === "object"
            ? JSON.stringify(config.data)
            : config.data,
        time: new Date().getTime(),
      };

      const requestSize = Object.keys(JSON.stringify(requestObj)).length; // 请求数据大小
      const limitSize = 5 * 1024 * 1024; // 限制存放数据 5M

      if (requestSize >= limitSize) {
        console.warn(
          `[${config.url}]: ` +
            "请求数据大小超出允许的 5M 限制，无法进行防重复提交验证。"
        );
        return config;
      }

      const sessionObj = cache.session.getJSON("sessionObj");
      if (
        sessionObj === undefined ||
        sessionObj === null ||
        sessionObj === ""
      ) {
        cache.session.setJSON("sessionObj", requestObj);
      } else {
        const s_url = sessionObj.url; // 请求地址
        const s_data = sessionObj.data; // 请求数据
        const s_time = sessionObj.time; // 请求时间
        const interval = 1000; // 间隔时间(ms)，小于此时间视为重复提交

        if (
          s_data === requestObj.data &&
          requestObj.time - s_time < interval &&
          s_url === requestObj.url
        ) {
          const message = "数据正在处理，请勿重复提交";
          console.warn(`[${s_url}]: ` + message);
          return Promise.reject(new Error(message));
        }

        cache.session.setJSON("sessionObj", requestObj);
      }
    }

    return config;
  },
  (error) => {
    console.log(error);
    return Promise.reject(error);
  }
);

// 响应拦截器
service.interceptors.response.use(
  (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（优先后端返回，支持 i18n）
    const msg = res.data.msg || errorCode[code] || errorCode["default"];

    // 二进制数据则直接返回
    if (
      res.request.responseType === "blob" ||
      res.request.responseType === "arraybuffer"
    ) {
      return res.data;
    }

    if (code === 401) {
      if (!isRelogin.show) {
        isRelogin.show = true;
        MessageBox.confirm(
          t("request.reloginTip"),
          t("common.tips"),
          {
            confirmButtonText: t("request.relogin"),
            cancelButtonText: t("common.cancel"),
            type: "warning",
          }
        )
          .then(() => {
            isRelogin.show = false;
            store.dispatch("LogOut").then(() => {
              location.href = "/index";
            });
          })
          .catch(() => {
            isRelogin.show = false;
          });
      }
      return Promise.reject(t("request.invalidSession"));
    }

    if (code === 500) {
      Message({ message: msg, type: "error" });
      return Promise.reject(new Error(msg));
    }

    if (code === 601) {
      Message({ message: msg, type: "warning" });
      return Promise.reject("error");
    }

    if (code !== 200) {
      Notification.error({ title: msg });
      return Promise.reject("error");
    }

    return res.data;
  },
  (error) => {
    console.log("err" + error);
    let { message } = error;
    if (message === "Network Error") {
      message = t("request.backendConnectError");
    } else if (message.includes("timeout")) {
      message = t("request.requestTimeout");
    } else if (message.includes("Request failed with status code")) {
      message = t("request.apiErrorStatus", { status: message.substr(message.length - 3) });
    }

    Message({ message, type: "error", duration: 5 * 1000 });
    return Promise.reject(error);
  }
);

export default service;