src/app/auth/root-redirect.guard.ts

import { inject } from '@angular/core';
import { ActivatedRouteSnapshot, CanActivateFn, Router, RouterStateSnapshot } from '@angular/router';
import { AuthService } from './auth.service';
import { map, catchError, of } from 'rxjs';


export const rootRedirectGuard: CanActivateFn = (
  route: ActivatedRouteSnapshot,
  state: RouterStateSnapshot
) => {
  const authService = inject(AuthService);
  const router = inject(Router);

  return authService.checkSession().pipe(
    map(() => {
      if (authService.isLoggedIn()) {
        router.navigate(['/home']);
      } else {
        router.navigate(['/auth']);
      }
      return false;
    }),
    catchError(() => {
      router.navigate(['/auth']);
      return of(false);
    })
  );

};