import router from "./router";
import { ElMessage } from "element-plus";
import NProgress from "nprogress";
import "nprogress/nprogress.css";
import { getToken } from "/src/utils/auth";
import { isHttp } from "/src/utils/validate";
import { isRelogin } from "/src/utils/request";
import useUserStore from "/src/store/modules/user";
import useSettingsStore from "/src/store/modules/settings";
import usePermissionStore from "/src/store/modules/permission";
import axios from "axios";

NProgress.configure({ showSpinner: false });

const whiteList = ["/login", "/register"];
const checkVersion = async () => {
  const url = `/version.json?t=${Date.now()}`;
  let res = null;
  try {
    res = await axios.get(url);
  } catch (err) {
    console.error("checkVersion error: ", err);
  }
  let version = null;
  if (res) {
    version = res.data.version;
  }
  const localVersion = localStorage.getItem("sd_web_version");
  if (version && localVersion && JSON.parse(localVersion).version && JSON.parse(localVersion).version !== version) {
    localStorage.setItem("sd_web_version", JSON.stringify({ version: version }));
    window.location.reload();
  } else {
    localStorage.setItem("sd_web_version", JSON.stringify({ version: version }));
  }
};

const isRefresh = import.meta.env.VITE_REFRESH;
router.beforeEach((to, from, next) => {
  // 检测版本更新;
  if (from.path !== "/" && isRefresh === "true") {
    checkVersion();
  }
  NProgress.start();
  if (getToken()) {
    to.meta.title && useSettingsStore().setTitle(to.meta.title);
    /* has token*/
    if (to.path === "/login") {
      next({ path: "/" });
      NProgress.done();
    } else {
      if (useUserStore().roles.length === 0) {
        isRelogin.show = true;
        // 判断当前用户是否已拉取完user_info信息
        useUserStore()
          .getInfo()
          .then(() => {
            isRelogin.show = false;
            usePermissionStore()
              .generateRoutes()
              .then((accessRoutes) => {
                // 根据roles权限生成可访问的路由表
                accessRoutes.forEach((route) => {
                  if (!isHttp(route.path)) {
                    router.addRoute(route); // 动态添加可访问路由表
                  }
                });
                next({ ...to, replace: true }); // hack方法 确保addRoutes已完成
              });
          })
          .catch((err) => {
            useUserStore()
              .logOut()
              .then(() => {
                ElMessage.error(err);
                next({ path: "/" });
              });
          });
      } else {
        next();
      }
    }
  } else {
    // 没有token
    if (whiteList.indexOf(to.path) !== -1) {
      // 在免登录白名单，直接进入
      next();
    } else {
      next(`/login?redirect=${to.fullPath}`); // 否则全部重定向到登录页
      NProgress.done();
    }
  }
});

router.afterEach(() => {
  NProgress.done();
});