// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_GCM_DRIVER_FAKE_GCM_APP_HANDLER_H_
#define COMPONENTS_GCM_DRIVER_FAKE_GCM_APP_HANDLER_H_

#include <memory>

#include "base/compiler_specific.h"
#include "components/gcm_driver/gcm_app_handler.h"

namespace base {
class RunLoop;
}

namespace gcm {

class FakeGCMAppHandler : public GCMAppHandler {
 public:
  enum Event {
    NO_EVENT,
    MESSAGE_EVENT,
    MESSAGES_DELETED_EVENT,
    SEND_ERROR_EVENT,
    DECRYPTION_FAILED_EVENT,
  };

  FakeGCMAppHandler();

  FakeGCMAppHandler(const FakeGCMAppHandler&) = delete;
  FakeGCMAppHandler& operator=(const FakeGCMAppHandler&) = delete;

  ~FakeGCMAppHandler() override;

  const Event& received_event() const { return received_event_; }
  const std::string& app_id() const { return app_id_; }
  const std::string& acked_message_id() const { return acked_message_id_; }
  const IncomingMessage& message() const { return message_; }
  const GCMClient::SendErrorDetails& send_error_details() const {
    return send_error_details_;
  }

  void WaitForNotification();

  // GCMAppHandler implementation.
  void ShutdownHandler() override;
  void OnStoreReset() override;
  void OnMessage(const std::string& app_id,
                 const IncomingMessage& message) override;
  void OnMessagesDeleted(const std::string& app_id) override;
  void OnSendError(
      const std::string& app_id,
      const GCMClient::SendErrorDetails& send_error_details) override;
  void OnMessageDecryptionFailed(const std::string& app_id,
                                 const std::string& message_id,
                                 const std::string& error_message) override;
  void OnSendAcknowledged(const std::string& app_id,
                          const std::string& message_id) override;

 private:
  void ClearResults();

  std::unique_ptr<base::RunLoop> run_loop_;

  Event received_event_;
  std::string app_id_;
  std::string acked_message_id_;
  IncomingMessage message_;
  GCMClient::SendErrorDetails send_error_details_;
};

}  // namespace gcm

#endif  // COMPONENTS_GCM_DRIVER_FAKE_GCM_APP_HANDLER_H_