import type { Options as ControlOptions } from 'ol/control/Control'
import Control from 'ol/control/Control'
import type { Layer } from 'ol/layer'

export interface Options extends ControlOptions {
  className?: string;
  label?: string;
  layers?: Layer | Layer[];
}

/** A simple push button control
 * @constructor
 * @extends {ol_control_Control}
 */
export default class ProgressBar extends Control {
  /**
   * @param {Object=} options Control options.
   *  @param {String} [options.className] class of the control
   *  @param {String} [options.label] waiting label
   *  @param {ol_layer_Layer} [options.layers] a tile layer with tileload envents
   */
  constructor(options?: Options);

  /** Set the control visibility
   * @param {Number} [n] progress percentage, a number beetween 0,1, default hide progress bar
   */
  setPercent(n?: number): void;

  /** Set waiting text
   * @param {string} label
   */
  setLabel(label: string): void;

  /** Use a list of tile layer to shown tile load
   * @param {ol_layer_Layer|Array<ol_layer_Layer>} layers a layer or a list of layer
   */
  setLayers(layers: Layer | Layer[]): void;
}