import type { Map as _ol_Map_ } from 'ol'
import type { Options as AttributionOptions } from 'ol/control/Attribution'
import Attribution from 'ol/control/Attribution'
import type { Style } from 'ol/style'

export interface Options extends AttributionOptions {
  style?: Style;
  canvas?: boolean;
}

/**
 * @classdesc
 *   OpenLayers 3 Attribution Control integrated in the canvas (for jpeg/png export purposes).
 * @see http://www.kreidefossilien.de/webgis/dokumentation/beispiele/export-map-to-png-with-scale
 *
 * @constructor
 * @extends ol_control_Attribution
 */
export default class CanvasAttribution extends Attribution {
  /**
   * @param {Object=} options extend the ol_control_Attribution options.
   *  @param {ol_style_Style} options.style  option is usesd to draw the text.
   *  @paream {boolean} [options.canvas=false] draw on canvas
   */
  constructor(options?: Options);

  /**
   * Draw attribution on canvas
   * @param {boolean} b draw the attribution on canvas.
   */
  setCanvas(b: boolean): void;

  /**
   * Change the control style
   * @param {Style} style
   */
  setStyle(style: Style): void;

  /**
   * Remove the control from its current map and attach it to the new map.
   * Subclasses may set up event handlers to get notified about changes to
   * the map here.
   * @param {Map} map Map.
   * @api stable
   */
  setMap(map: _ol_Map_): void;
}