/********************************************************************************
 * Copyright (C) 2017 Ericsson and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License v. 2.0 are satisfied: GNU General Public License, version 2
 * with the GNU Classpath Exception which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 ********************************************************************************/

import { injectable } from 'inversify';
import { Emitter, Event } from '@gedit/utils';
import { LoggerClient, LogLevelChangedEvent } from './logger-protocol';

@injectable()
export class LoggerWatcher {

  private onLogLevelChangedEmitter = new Emitter<LogLevelChangedEvent>();

  get onLogLevelChanged(): Event<LogLevelChangedEvent> {
    return this.onLogLevelChangedEmitter.event;
  }

  getLoggerClient(): LoggerClient {
    const emitter = this.onLogLevelChangedEmitter;
    return {
      onLogLevelChanged(event: LogLevelChangedEvent): void {
        emitter.fire(event);
      }
    };
  }

  // FIXME: get rid of it, backend services should as well set a client on the server
  fireLogLevelChanged(event: LogLevelChangedEvent): void {
    this.onLogLevelChangedEmitter.fire(event);
  }
}