// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_ASH_CERT_PROVISIONING_CERT_PROVISIONING_METRICS_H_
#define CHROME_BROWSER_ASH_CERT_PROVISIONING_CERT_PROVISIONING_METRICS_H_

#include <string_view>

#include "base/time/time.h"
#include "chrome/browser/ash/cert_provisioning/cert_provisioning_common.h"
#include "components/policy/core/common/cloud/cloud_policy_constants.h"

namespace ash::cert_provisioning {

inline constexpr std::string_view kDmStatusHistogramName =
    "ChromeOS.CertProvisioning.DmStatus.Dynamic";
inline constexpr std::string_view kCertProvBackendErrorHistogramName =
    "ChromeOS.CertProvisioning.CertProvBackendError.Dynamic";

// The enum is used for UMA, the values should not be renumerated.
enum class CertProvisioningEvent {
  // Some worker tried to register(or reregister) for invalidation topic.
  // TODO(crbug.com/341377023): Since topics are no longer used for
  // invalidations, the event should be renamed (just drop the topic part), or
  // removed.
  kRegisteredToInvalidationTopic = 0,
  // Invalidation received.
  kInvalidationReceived = 1,
  // Some worker retried to continue without invalidation.
  kWorkerRetryWithoutInvalidation = 2,
  // Some worker retried to continue without invalidation and made some
  // progress.
  kWorkerRetrySucceededWithoutInvalidation = 3,
  // Profile retried manually from UI.
  kWorkerRetryManual = 4,
  kWorkerCreated = 5,
  kWorkerDeserialized = 6,
  kWorkerDeserializationFailed = 7,
  // The subscription to an invalidation topic (the start of which is reported
  // as kRegisteredToInvalidationTopic) has successfully finished.
  // TODO(crbug.com/341377023): Since topics are no longer used for
  // invalidations, the event should be removed.
  kSuccessfullySubscribedToInvalidationTopic = 8,
  kMaxValue = kSuccessfullySubscribedToInvalidationTopic
};

// Records the |final_state| of a worker. If the worker is failed, also records
// its |prev_state| into the same histogram. It is reasonable to put both of
// them in the same histogram because the worker should never stop on an
// intermediate state and even if it does, it is the same as failure.
void RecordResult(ProtocolVersion protocol_version,
                  CertScope scope,
                  CertProvisioningWorkerState final_state,
                  CertProvisioningWorkerState prev_state);

void RecordEvent(ProtocolVersion protocol_version,
                 CertScope scope,
                 CertProvisioningEvent event);

// Records received DeviceManagementStatus-es by the dynamic workers.
void RecordDmStatusForDynamic(policy::DeviceManagementStatus status);

// Records received CertProvBackendError-s by the dynamic workers.
void RecordCertProvBackendErrorForDynamic(
    enterprise_management::CertProvBackendError::Error error);

}  // namespace ash::cert_provisioning

#endif  // CHROME_BROWSER_ASH_CERT_PROVISIONING_CERT_PROVISIONING_METRICS_H_