// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROMEOS_COMPONENTS_PROXIMITY_AUTH_SMART_LOCK_METRICS_RECORDER_H_
#define CHROMEOS_COMPONENTS_PROXIMITY_AUTH_SMART_LOCK_METRICS_RECORDER_H_

class SmartLockMetricsRecorder {
 public:
  SmartLockMetricsRecorder();
  ~SmartLockMetricsRecorder();

  // This enum is tied directly to a UMA enum defined in
  // //tools/metrics/histograms/enums.xml, and should always reflect it (do not
  // change one without changing the other). Entries should be never modified
  // or deleted. Only additions possible.
  enum class SmartLockGetRemoteStatusResultFailureReason {
    kTimedOutBluetoothDisabled = 0,
    kTimedOutCouldNotEstablishAuthenticatedChannel = 1,
    kTimedOutDidNotReceiveRemoteStatusUpdate = 2,
    kUserEnteredPasswordWhileBluetoothDisabled = 3,
    kUserEnteredPasswordWhileConnecting = 4,
    kAuthenticatedChannelDropped = 5,
    kMaxValue = kAuthenticatedChannelDropped
  };

  // This enum is tied directly to a UMA enum defined in
  // //tools/metrics/histograms/enums.xml, and should always reflect it (do not
  // change one without changing the other). Entries should be never modified
  // or deleted. Only additions possible.
  enum class SmartLockAuthResultFailureReason {
    kUnlockNotAllowed = 0,
    kDeprecatedAlreadyAttemptingAuth = 1,
    kEmptyUserAccount = 2,
    kInvalidAccoundId = 3,
    kAuthAttemptCannotStart = 4,
    kNoPendingOrActiveHost = 5,
    kAuthenticatedChannelDropped = 6,
    kFailedToSendUnlockRequest = 7,
    kFailedToDecryptSignInChallenge = 8,
    kFailedtoNotifyHostDeviceThatSmartLockWasUsed = 9,
    kAuthAttemptTimedOut = 10,
    kUnlockEventSentButNotAttemptingAuth = 11,
    kUnlockRequestSentButNotAttemptingAuth = 12,
    kLoginDisplayHostDoesNotExist = 13,
    kUserControllerSignInFailure = 14,
    kMaxValue = kUserControllerSignInFailure
  };

  enum class SmartLockAuthMethodChoice {
    kSmartLock = 0,
    kOther = 1,
    kMaxValue = kOther
  };

  enum class SmartLockAuthEventPasswordState {
    kUnknownState = 0,
    kNoPairing = 1,
    kPairingChanged = 2,
    kUserHardlock = 3,
    kServiceNotActive = 4,
    kNoBluetooth = 5,
    kBluetoothConnecting = 6,
    kCouldNotConnectToPhone = 7,
    kNotAuthenticated = 8,
    kPhoneLocked = 9,
    kRssiTooLow = 10,
    kAuthenticatedPhone = 11,
    kLoginFailed = 12,
    kPairingAdded = 13,
    kNoScreenlockStateHandler = 14,
    kPhoneLockedAndRssiTooLow = 15,
    kForcedReauth = 16,
    kLoginWithSmartLockDisabled = 17,
    kPhoneNotLockable = 18,
    kPrimaryUserAbsent = 19,
    kMaxValue = kPrimaryUserAbsent
  };

  static void RecordSmartLockUnlockAuthMethodChoice(
      SmartLockAuthMethodChoice auth_method_choice);
  static void RecordSmartLockSignInAuthMethodChoice(
      SmartLockAuthMethodChoice auth_method_choice);

  static void RecordAuthResultUnlockSuccess(bool success = true);
  static void RecordAuthResultUnlockFailure(
      SmartLockAuthResultFailureReason failure_reason);

  static void RecordAuthResultSignInSuccess(bool success = true);
  static void RecordAuthResultSignInFailure(
      SmartLockAuthResultFailureReason failure_reason);

  static void RecordAuthMethodChoiceUnlockPasswordState(
      SmartLockAuthEventPasswordState password_state);
  static void RecordAuthMethodChoiceSignInPasswordState(
      SmartLockAuthEventPasswordState password_state);
};

#endif  // CHROMEOS_COMPONENTS_PROXIMITY_AUTH_SMART_LOCK_METRICS_RECORDER_H_