import { inject } from '@angular/core';
import { Router, CanActivateFn } from '@angular/router';
import { AuthService } from '../services/auth.service';
import { map } from 'rxjs/operators';

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

  return authService.isAuthenticated$.pipe(
    map(isAuthenticated => {
      if (isAuthenticated) {
        return true;
      }
      
      router.navigate(['/auth/login'], {
        queryParams: { returnUrl: state.url }
      });
      return false;
    })
  );
};