import type { RouteRecordRaw } from 'vue-router';
import type { App } from 'vue';

import { createRouter, createWebHashHistory } from 'vue-router';
import { scrollWaiter } from '../utils/scrollWaiter';

import { createGuard } from './guard/';

import { basicRoutes } from './routes/';

// app router
const router = createRouter({
  history: createWebHashHistory(),
  routes: basicRoutes as RouteRecordRaw[],
  scrollBehavior: async (to, from, savedPosition) => {
    await scrollWaiter.wait();
    if (savedPosition) {
      return savedPosition;
    } else {
      if (to.matched.every((record, i) => from.matched[i] !== record)) {
        return { left: 0, top: 0 };
      }
      return false;
    }
  },
});
// reset router
export function resetRouter() {
  const resetWhiteNameList = [
    'Login',
    'Root',
    // 'FullErrorPage'
  ];
  router.getRoutes().forEach((route) => {
    const { name } = route;
    if (name && !resetWhiteNameList.includes(name as string)) {
      router.removeRoute(name);
    }
  });
}

// config router
export function setupRouter(app: App<Element>) {
  app.use(router);
  createGuard(router);
}

// // hmr
// if (import.meta.hot) {
//   let removeRoutes: (() => void)[] = [];

//   for (let route of routes) {
//     removeRoutes.push(router.addRoute(route as RouteRecordRaw));
//   }

//   import.meta.hot?.acceptDeps('./routes.ts', ({ routes }) => {
//     for (let removeRoute of removeRoutes) removeRoute();
//     removeRoutes = [];
//     for (let route of routes) {
//       removeRoutes.push(router.addRoute(route));
//     }
//     router.replace('');
//   });
// }
export default router;