import type Graphic from "../../../Graphic.js";
import type InputBase from "./InputBase.js";
import type { AttributeFormSupportedLayerUnion } from "../types.js";
import type { InputBaseProperties } from "./InputBase.js";

/** @since 5.0 */
export interface SingleFeatureInputProperties<Template extends any = any> extends InputBaseProperties {}

/**
 * A read-only class used by [TextElementInput](https://developers.arcgis.com/javascript/latest/references/core/widgets/BatchAttributeForm/inputs/TextElementInput/) and used within the [BatchAttributeForm](https://developers.arcgis.com/javascript/latest/references/core/widgets/BatchAttributeForm/).
 *
 * @since 5.0
 */
export default abstract class SingleFeatureInput<Template extends any = any> extends InputBase<Template> {
  /**
   * The single feature associated with this form element.
   *
   * @see [BatchAttributeFormViewModel.features](https://developers.arcgis.com/javascript/latest/references/core/widgets/BatchAttributeForm/BatchAttributeFormViewModel/#features)
   */
  get feature(): Graphic | null | undefined;
  /**
   * Identifies the single feature layer associated with this form element. The layer must support feature editing and field access.
   *
   * The following layer types are supported:
   * - [FeatureLayer](https://developers.arcgis.com/javascript/latest/references/core/layers/FeatureLayer/)
   * - [GeoJSONLayer](https://developers.arcgis.com/javascript/latest/references/core/layers/GeoJSONLayer/)
   * - [SceneLayer](https://developers.arcgis.com/javascript/latest/references/core/layers/SceneLayer/) (with `featureLayer` property)
   * - [SubtypeSublayer](https://developers.arcgis.com/javascript/latest/references/core/layers/support/SubtypeSublayer/)
   * - [OrientedImageryLayer](https://developers.arcgis.com/javascript/latest/references/core/layers/OrientedImageryLayer/)
   * - [KnowledgeGraphSublayer](https://developers.arcgis.com/javascript/latest/references/core/layers/knowledgeGraph/KnowledgeGraphSublayer/)
   *
   * @since 5.0
   * @see [BatchAttributeFormViewModel.layers](https://developers.arcgis.com/javascript/latest/references/core/widgets/BatchAttributeForm/BatchAttributeFormViewModel/#layers)
   */
  get layer(): AttributeFormSupportedLayerUnion | null | undefined;
}