import { createRouter, createWebHistory } from 'vue-router';
import { constantRoutes } from './routes';

const router = createRouter({
  history: createWebHistory(import.meta.env.VITE_BASE_URL || '/'),
  routes: constantRoutes,
  scrollBehavior: () => ({ left: 0, top: 0 }),
});

/**
 * 路由白名单:不需要登录即可访问的路径
 */
const WHITE_LIST = ['/login', '/404'];

/**
 * 静态路由名称集合(这些路由不会被 resetRouter 移除)
 */
const STATIC_ROUTE_NAMES = new Set(['Login', 'NotFound']);

/**
 * 重置路由:清除动态添加的路由(包括 BasicLayout 和其子路由),
 * 恢复到只包含静态路由的状态。用于退出登录时清理。
 */
export function resetRouter() {
  const currentRoutes = router.getRoutes();

  currentRoutes.forEach((route) => {
    const routeName = route.name as string;
    // 保留静态路由(Login, NotFound),移除所有动态路由(含 BasicLayout 及其子路由)
    if (routeName && !STATIC_ROUTE_NAMES.has(routeName)) {
      router.removeRoute(routeName);
    }
  });
}

export default router;
export { WHITE_LIST };