import { Feature } from 'ol'
import type ol_Collection from 'ol/Collection'

export interface Options<T> {
  target?: Element;
  collection?: ol_Collection<T>; // todo unsure
  getTitle?: (elt: any) => Element | string;
}

/** A list element synchronize with a Collection.
 * Element in the list can be reordered interactively and the associated Collection is kept up to date.
 * @constructor
 * @fires item:select
 * @fires item:dblclick
 * @fires item:order
 * @extends {ol_Object}

 */
export default class Collection<T> {
  /**
   * @param {*} options
   *  @param {Element} [options.target]
   *  @param {Collection} [options.collection]  the collection to display in the list
   *  @param {function} [options.getTitle] a function that takes a collection item and returns an Element or a string
   */
  constructor(options?: Options<T>);

  /** Select an item
   * @param {*} item
   */
  select(item: any): void;

  /** Select an item at
   * @param {number} n
   */
  selectAt(n: number): void;

  /** Get current selection
   * @returns {*}
   */
  getSelect(): any;

  /** Get current selection
   * @returns {number}
   */
  getSelectPosition(): number;

  /** Redraw the list
   */
  refresh(): void;

  /** Set the collection
   * @param {ol_Collection} collection
   */
  setCollection(collection: Collection<T>): void

  /** Remove current collection (listeners)
   * /!\ remove collection when input list is removed from the DOM
   */
  removeCollection(): void
}