/*
 *  Copyright (c) 2018-present, Facebook, Inc.
 *
 *  This source code is licensed under the MIT license found in the LICENSE
 *  file in the root directory of this source tree.
 *
 */

#pragma once

#include <memory>
#include <string>
#include <Sonar/SonarStep.h>

class SonarStep;
class SonarStateUpdateListener;

class SonarState {
  friend SonarStep;

 public:
  SonarState();
  void setUpdateListener(std::shared_ptr<SonarStateUpdateListener>);
  std::string getState();

  /* To record a state update, call start() with the name of the step to get a
   SonarStep object. Call complete on this to register it successful,
   the absense of the completion call when it is destructed will register as a
   step failure. */
  std::shared_ptr<SonarStep> start(std::string step);

 private:
  void success(std::string);
  void failed(std::string, std::string);
  void started(std::string);
  std::shared_ptr<SonarStateUpdateListener> mListener = nullptr;
  std::string stateUpdates;
};