import type { Feature } from 'ol'
import { Object } from 'ol'
import type { ProjectionLike } from 'ol/proj'

export interface Options {
  dataProjection?: ProjectionLike;
  featureProjetion?: ProjectionLike;
}

/** Feature format for reading data in the GeoRSS format.
 * @constructor GeoRSS
 * @extends {Object}

 */
export default class GeoRSS extends Object {
  /**
   * @param {*} options options.
   *  @param {ol.ProjectionLike} options.dataProjection Projection of the data we are reading. If not provided `EPSG:4326`
   *  @param {ol.ProjectionLike} options.featureProjection Projection of the feature geometries created by the format reader. If not provided, features will be returned in the dataProjection.
   */
  constructor(options?: Options);

  /**
   * Read a feature.  Only works for a single feature. Use `readFeatures` to
   * read a feature collection.
   *
   * @param {Node|string} source Source.
   * @param {*} options Read options.
   *  @param {ol.ProjectionLike} options.dataProjection Projection of the data we are reading. If not provided `EPSG:4326`
   *  @param {ol.ProjectionLike} options.featureProjection Projection of the feature geometries created by the format reader. If not provided, features will be returned in the dataProjection.
   * @return {ol.Feature} Feature or null if no feature read
   * @api
   */
  readFeature(source: Node | string, options?: Options): Feature | null;

  /**
   * Read all features.  Works with both a single feature and a feature
   * collection.
   *
   * @param {Document|Node|string} source Source.
   * @param {*} options Read options.
   *  @param {ol.ProjectionLike} options.dataProjection Projection of the data we are reading. If not provided `EPSG:4326`
   *  @param {ol.ProjectionLike} options.featureProjection Projection of the feature geometries created by the format reader. If not provided, features will be returned in the dataProjection.
   * @return {Array<ol.Feature>} Features.
   * @api
   */
  readFeatures(source: Document | Node | string, options?: Options): Feature[];
}