/*
 * The MIT License
 * Copyright © 2014-2019 Ilkka Seppälä
 *
 * 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 the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of 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 copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.iluwatar.circuitbreaker;

/**
 * The service class which makes local and remote calls Uses {@link DefaultCircuitBreaker} object to
 * ensure remote calls don't use up resources.
 */
public class MonitoringService {

  private final CircuitBreaker delayedService;

  private final CircuitBreaker quickService;

  public MonitoringService(CircuitBreaker delayedService, CircuitBreaker quickService) {
    this.delayedService = delayedService;
    this.quickService = quickService;
  }

  //Assumption: Local service won't fail, no need to wrap it in a circuit breaker logic
  public String localResourceResponse() {
    return "Local Service is working";
  }

  /**
   * Fetch response from the delayed service (with some simulated startup time).
   *
   * @return response string
   */
  public String delayedServiceResponse() {
    try {
      return this.delayedService.attemptRequest();
    } catch (RemoteServiceException e) {
      return e.getMessage();
    }
  }

  /**
   * Fetches response from a healthy service without any failure.
   *
   * @return response string
   */
  public String quickServiceResponse() {
    try {
      return this.quickService.attemptRequest();
    } catch (RemoteServiceException e) {
      return e.getMessage();
    }
  }
}