import NProgress from 'nprogress'; // progress bar
import type { RouteRecordNormalized, Router } from 'vue-router';

import usePermission from '@/hooks/permission';
import { useAppStore, useUserStore } from '@/store';
import { NOT_FOUND, WHITE_LIST } from '../constants';
import { appRoutes } from '../routes';

export default function setupPermissionGuard(router: Router) {
  router.beforeEach(async (to, from, next) => {
    const appStore = useAppStore();
    const userStore = useUserStore();
    const Permission = usePermission();
    const permissionsAllow = Permission.accessRouter(to);
    if (appStore.menuFromServer) {
      // 针对来自服务端的菜单配置进行处理
      // Handle routing configuration from the server

      // 根据需要自行完善来源于服务端的菜单配置的permission逻辑
      // Refine the permission logic from the server's menu configuration as needed
      if (
        !appStore.appAsyncMenus.length &&
        !WHITE_LIST.find((el) => el.name === to.name)
      ) {
        await appStore.fetchServerMenuConfig();
      }
      const serverMenuConfig = [...appStore.appAsyncMenus, ...WHITE_LIST];

      let exist = false;
      while (serverMenuConfig.length && !exist) {
        const element = serverMenuConfig.shift();
        if (element?.name === to.name) exist = true;

        if (element?.children) {
          serverMenuConfig.push(
            ...(element.children as unknown as RouteRecordNormalized[]),
          );
        }
      }
      if (exist && permissionsAllow) {
        next();
      } else next(NOT_FOUND);
    } else if (permissionsAllow) {
      next();
    } else {
      const destination =
        Permission.findFirstPermissionRoute(appRoutes, userStore.role) ||
        NOT_FOUND;
      next(destination);
    }
    NProgress.done();
  });
}