///
/// Copyright © 2016-2019 The Thingsboard Authors
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///     http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///

import { IAliasController, AliasInfo } from '@core/api/widget-api.models';
import { Observable, of, Subject } from 'rxjs';
import { Datasource } from '@app/shared/models/widget.models';
import { deepClone } from '@core/utils';

export class DummyAliasController implements IAliasController {

  entityAliasesChanged: Observable<Array<string>>;

  [key: string]: any | null;

  constructor() {
    this.entityAliasesChanged = new Subject<Array<string>>().asObservable();
  }

  getAliasInfo(aliasId): Observable<AliasInfo> {
    return of(null);
  }

  resolveDatasources(datasources: Array<Datasource>): Observable<Array<Datasource>> {
    return of(deepClone(datasources));
  }
}