// The MIT License (MIT)
//
// Copyright (c) 2020-2024 Camptocamp SA
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
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// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

import {BehaviorSubject} from 'rxjs';
import OlMap from 'ol/Map';

/**
 * Object used to expose the OpenLayer map.
 *
 * Example of usage:
 * ```js
 *    (window as any).gmfapi.store.map.getMap().subscribe({
 *      next: (map: Map) => {
 *        if (map) {
 *          ...
 *        }
 *      },
 *    })
 * ```
 */
export class MapModel {
  /**
   * The observable map's properties.
   *
   * @private
   */
  map_: BehaviorSubject<OlMap> = new BehaviorSubject<OlMap>(null);

  /**
   * @returns the OpenLayers map.
   */
  getMap(): BehaviorSubject<OlMap> {
    return this.map_;
  }

  /**
   * Set the OpenLayers map.
   *
   * @param map the OpenLayers map
   */
  setMap(map: OlMap): void {
    this.map_.next(map);
  }
}

const map = new MapModel();
export default map;