import { defineComponent, type ComponentDefinition } from './component';
import { manifestObject, type ObjectReference, type ObjectScoped } from './custom-object';
import type { CustomObjectPageLayout } from '../custom-object-page-layout';

export interface ObjectSettingsProps<TObject extends ObjectReference = ObjectReference> {
  allowAttachments?: boolean;
  allowComments?: boolean;
  isSearchable?: boolean;
  defaultLayout?: ObjectScoped<
    TObject,
    Pick<CustomObjectPageLayout, 'getCustomObjectApiName' | 'getLayoutId'>
  >;
}

/** Settings are identified by their parent object, rather than an independent API name. */
export interface DefinedObjectSettings {
  toDict(): {
    type: 'CUSTOM_OBJECT_SETTINGS';
    setting_id: string;
    object_rql_name: string;
    allow_attachments: boolean;
    allow_comments: boolean;
    is_searchable: boolean;
    layout_config: { default_layout: string } | null;
  };
}

export function defineObjectSettings<TObject extends ObjectReference>(
  reference: TObject,
  props: ObjectSettingsProps<NoInfer<TObject>>,
): DefinedObjectSettings {
  const { allowAttachments = false, allowComments = false, isSearchable = false, defaultLayout } = props;
  const object = manifestObject(reference);
  if (defaultLayout != null && defaultLayout.getCustomObjectApiName() !== object.getApiName()) {
    throw new Error('The default layout must belong to the object being configured.');
  }
  return objectSettingsComponent.register(
    {
      toDict: () => ({
        type: 'CUSTOM_OBJECT_SETTINGS' as const,
        setting_id: `${object.getApiName()}_settings`,
        object_rql_name: object.getApiName(),
        allow_attachments: allowAttachments,
        allow_comments: allowComments,
        is_searchable: isSearchable,
        layout_config: defaultLayout == null ? null : { default_layout: defaultLayout.getLayoutId() },
      }),
    },
    reference,
    props,
  );
}

const objectSettingsComponent: ComponentDefinition<typeof defineObjectSettings> = defineComponent({
  type: 'CUSTOM_OBJECT_SETTINGS',
  define: defineObjectSettings,
  references: (_definition, object, props) => [
    object,
    ...(props.defaultLayout == null ? [] : [props.defaultLayout]),
  ],
});