import router from './router';
import store from './store';
import {Message} from 'element-ui';
import NProgress from 'nprogress'; // progress bar
import 'nprogress/nprogress.css'; // progress bar style
import {getToken} from '@/utils/auth'; // get token from cookie
import getPageTitle from '@/utils/get-page-title';

NProgress.configure({ showSpinner: false }); // NProgress Configuration

const whiteList = ['/login', '/auth-redirect','/resetPwd']; // no redirect whitelist


router.beforeEach(async (to, from, next) => {
  // start progress bar
  NProgress.start();

  // set page title
  document.title = getPageTitle(to.meta.title);

  // determine whether the user has logged in
  const hasToken = getToken();
  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      // next({ path: '/' });

      next();
      NProgress.done();
    }else if( to.path === '/resetPwd'){
      next();
      NProgress.done();
    }else {
      const hasRoles = store.getters.roles && store.getters.roles.length > 0;
      if (hasRoles) {
        next();
      } else {
        try {
          const roles = await store.dispatch('user/getInfo').roles;
          const accessRoutes = await store.dispatch('permission/generateRoutes');
          router.options.routes = accessRoutes // 动态添加可访问路由表
          router.addRoutes(accessRoutes);
          next({ ...to, replace: true });
        } catch (error) {
          store.dispatch('user/logout').then(() => {
            Message.error(error)
            next({ path: '/login?redirect=${to.path}' })
          })
        }
      }
    }
  } else {
    /* has no token*/
    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next();
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      // next(`/login?redirect=${to.path}`);
      next('/login');
      NProgress.done();
    }
  }
});

router.afterEach(() => {
  // finish progress bar
  NProgress.done();
});