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

export interface Options extends ControlOptions {
  className?: string;
  title?: string;
  imageType?: string;
  quality?: number;
  orientation?: 'landscape' | 'portrait';
  immediate?: boolean;
}

export interface PrintOptions {
  imageType: string;
  quality: number;
  immediate: boolean;
  size?: number[] | undefined;
  format?: PaperSize | undefined;
  orient?: string | undefined;
  margin?: number | undefined;
  any: any;
}

export type PaperSize = 'A0' | 'A1' | 'A2' | 'A3' | 'A4' | 'US Letter' | 'A5' | 'B4' | 'B5';
/** Print control to get an image of the map
 * @constructor
 * @fire print
 * @fire error
 * @fire printing
 * @extends {ol.control.Control}
 */
export default class Print extends ol_control_Control {
  /**
   * @param {Object=} options Control options.
   *  @param {String} options.className class of the control
   *  @param {String} options.title button title
   *  @param {string} options.imageType A string indicating the image format, default image/jpeg
   *  @param {number} options.quality Number between 0 and 1 indicating the image quality to use for image formats that use lossy compression such as image/jpeg and image/webp
   *  @param {string} options.orientation Page orientation (landscape/portrait), default guest the best one
   *  @param {boolean} options.immediate force print even if render is not complete,  default false
   */
  constructor(options?: Options);

  /** Print the map
   * @param {Object} options
   *  @param {string} options.imageType A string indicating the image format, default the control one
   *  @param {number} options.quality Number between 0 and 1 indicating the image quality to use for image formats that use lossy compression such as image/jpeg and image/webp
   *  @param {boolean} options.immediate true to prevent delay for printing
   *  @param {number[]} [options.size=[210,297]]
   *  @param {PaperSize} [options.format=a4]
   *  @param {string} [options.orient] default control orientation (landscape/portrait)
   *  @param {number} [options.margin=10]
   *  @param {*} options.any any options passed to the print event when fired
   * @api
   */
  print(options?: PrintOptions): void

  /** Fast print
   * @param {*} options print options
   *  @param {HTMLCanvasElement|undefined} [options.canvas] if none create one, only for ol@6+
   *  @parama {string} options.imageType
   */
  fastPrint(options: PrintOptions & {
    canvas?: HTMLCanvasElement
  }, callback: (elem: HTMLCanvasElement) => void): void;

  /** Helper function to copy result to clipboard
   * @param {any} options print options
   * @param {function} callback a callback function that takes a boolean if copy
   */
  copyMap(options?: PrintOptions, callback?: (result: boolean) => void): void
}