import WMTS from 'ol/source/WMTS'
import type { Options as SourceOptions } from 'ol/source/TileImage'
import type { Coordinate } from 'ol/coordinate'
import type { ProjectionLike } from 'ol/proj'

export interface Options extends SourceOptions {
  layer?: string;
  minZoom?: number;
  server?: string;
  gppKey?: string | 'gpf';
  authentication?: string;
  format?: string;
  style?: string;
  crossOrigin?: string;
  wrapX?: boolean;
}

export type MimeType = 'text/plain' | 'text/html' | 'application/json';

/** IGN's Geoportail WMTS source
 * @constructor
 * @extends {ol.source.WMTS}

 */

export default class Geoportail extends WMTS {
  /**
   * @param {olx.source.Geoportail=} options WMTS options
   *  @param {string=} options.layer Geoportail layer name
   *  @param {number} options.minZoom
   *  @param {number} options.maxZoom
   *  @param {string} options.server
   *  @param {string} options.gppKey api key or 'gpf' for new Geoplatform services, default 'choisirgeopor
   *  @param {string} options.authentication basic authentication associated with the gppKey as btoa("login:pwd")
   *  @param {string} options.format image format, default 'image/jpeg'
   *  @param {string} options.style layer style, default 'normal'
   *  @param {string} options.crossOrigin default 'anonymous'
   *  @param {string} options.wrapX default true
   */
  constructor(options?: Options);

  /** Get a tile load function to load tiles with basic authentication
   * @param {string} authentication as btoa("login:pwd")
   * @param {string} format mime type
   * @return {function} tile load function to load tiles with basic authentication
   */
  static tileLoadFunctionWithAuthentication(authentication: string, format: string): Function;

  /** Get service URL according to server url or standard url
   */
  serviceURL(): string;

  /**
   * Return the associated API key of the Map.
   * @function
   * @return the API key.
   * @api stable
   */
  getGPPKey(): string;

  /**
   * Set the associated API key to the Map.
   * @param {String} key the API key.
   * @param {String} authentication as btoa("login:pwd")
   * @api stable
   */
  setGPPKey(key: string, authentication: string): void;

  /** Return the GetFeatureInfo URL for the passed coordinate, resolution, and
   * projection. Return `undefined` if the GetFeatureInfo URL cannot be
   * constructed.
   * @param {ol.Coordinate} coord
   * @param {Number} resolution
   * @param {ol.proj.Projection} projection default the source projection
   * @param {Object} options
   *  @param {string} options.INFO_FORMAT response format text/plain, text/html, application/json, default text/plain
   * @return {String|undefined} GetFeatureInfo URL.
   */
  getFeatureInfoUrl(coord: Coordinate, resolution: number, projection: ProjectionLike, options: {
    INFO_FORMAT: MimeType;
  }): string | undefined;

  /** Get feature info
   * @param {ol.Coordinate} coord
   * @param {Number} resolution
   * @param {ol.proj.Projection} projection default the source projection
   * @param {Object} options
   *  @param {string} options.INFO_FORMAT response format text/plain, text/html, application/json, default text/plain
   *  @param {function} options.callback a function that take the response as parameter
   *  @param {function} options.error function called when an error occurred
   */
  getFeatureInfo(coord: any, resolution: number, options: {
    INFO_FORMAT: MimeType;
    callback: (resp: any) => void,
    error: (err: any) => void
  }): void;

  /** Standard IGN-GEOPORTAIL attribution
   */
  attribution: string
}