// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Events related to logging into and out of Chrome.

syntax = "proto2";

option optimize_for = LITE_RUNTIME;

import "components/reporting/proto/synced/session_affiliated_user.proto";

package ash.reporting;

enum LoginFailureReason {
  UNKNOWN_LOGIN_FAILURE_REASON = 0;
  AUTHENTICATION_ERROR = 1;
  COULD_NOT_MOUNT_TMPFS = 2;
  OWNER_REQUIRED = 3;
  TPM_ERROR = 4;
  TPM_UPDATE_REQUIRED = 5;
  MISSING_CRYPTOHOME = 6;
  UNRECOVERABLE_CRYPTOHOME = 7;
  INTERNAL_LOGIN_FAILURE_REASON = 8;
}

enum LoginLogoutSessionType {
  UNSPECIFIED_LOGIN_LOGOUT_SESSION_TYPE = 0;
  // Regular guest session.
  GUEST_SESSION = 1;
  // Managed guest session.
  PUBLIC_ACCOUNT_SESSION = 2;
  // Regular user session.
  REGULAR_USER_SESSION = 3;
  // Kiosk session.
  KIOSK_SESSION = 4;
}

message LoginFailure {
  optional LoginFailureReason reason = 1;
}

message LoginEvent {
  optional LoginFailure failure = 1;
}

message LogoutEvent {}

message LoginLogoutRecord {
  optional int64 event_timestamp_sec = 1;

  optional .reporting.SessionAffiliatedUser affiliated_user = 2;

  // True for regular guest and managed guest accounts.
  optional bool is_guest_session = 3;

  oneof event {
    LoginEvent login_event = 4;
    LogoutEvent logout_event = 5;
  }

  optional LoginLogoutSessionType session_type = 6;

  optional .reporting.SessionUnaffiliatedUser unaffiliated_user = 7;
}