record Filters(int age) {}
@Serdeable
record Row(String name, int age) {}

@Route("/crudls/basic")
@Slf4j
@RequiredArgsConstructor
public class BasicCrudl implements ComponentTreeSupplier, ReactiveCrudlBackend<Filters, Row> {

  private final Service service;

  @Override
  public Crudl getComponent(HttpRequest httpRequest) {
    return Crudl.builder() // vertical layout as default container for children
      .title("Basic crudl")
      .id("crud")
      .filters(List.of(
        FormField.builder()
          .id("age")
          .label("Age")
          .dataType(FieldDataType.integer)
          .build()
      ))
      .searchable(true)
      .columns(List.of(
        GridColumn.builder()
          .id("name")
          .label("Name")
          .build(),
        GridColumn.builder()
          .id("age")
          .label("Age")
          .build()
      ))
      .emptyStateMessage("Please search.")
      .build();
  }

  @Override
  public Class<Filters> filtersClass() {
    return Filters.class;
  }

  @Override
  public Mono<CrudlData<Row>> search(String searchText, Filters filters, Pageable pageable, HttpRequest httpRequest) {
    return service.search(searchText, filters, pageable).map(page -> new CrudlData<>(page,
      "No items found. Please try again."));
  }