src/app/clusters/valve-configuration-and-control-server/TimeSyncTracker.h

/*
 *    Copyright (c) 2025 Project CHIP Authors
 *    All rights reserved.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
#pragma once
#include <cstdint>

namespace chip::app::Clusters::ValveConfigurationAndControl {

/// Interface for tracking TimeSynchronization cluster status and UTC time availability.
///
/// Required when the ValveConfigurationAndControl cluster enables the TimeSync feature.
/// Per specification, the TimeSync feature shall only be enabled when the
/// TimeSynchronization cluster is present on the device.
///
/// The AutoCloseTime attribute requires valid UTC time from TimeSynchronization.
///
/// Note: This interface is not needed if TimeSync feature is not supported.
class TimeSyncTracker
{
public:
    virtual ~TimeSyncTracker() = default;

    /// Checks whether UTC time is currently synchronized and valid.
    ///
    /// When TimeSync feature is enabled, implementations must verify that the
    /// TimeSynchronization cluster has successfully synchronized time before
    /// allowing setting time-based attributes like AutoCloseTime.
    ///
    /// @return true if UTC time is synchronized and valid, false otherwise
    virtual bool IsValidUTCTime() = 0;
};

} // namespace chip::app::Clusters::ValveConfigurationAndControl