//  Copyright 2020-2021 Herald Project Contributors

//  SPDX-License-Identifier: Apache-2.0

//

#ifndef HERALD_DEVICE_H

#define HERALD_DEVICE_H

#include "datatype/target_identifier.h"

#include "datatype/time_interval.h"

#include <optional>

namespace herald {

using namespace herald::datatype;

///

/// \brief Generic abstraction of a particular local proximate device type.

/// 

/// Could be a Bluetooth Low Energy device (BLEDevice) or some other technology.

/// 

/// Only implemented in final version to allow TimeInterval and other

/// potentially platform specific implementation details to be overridden.

///

/// \sa herald::ble::BLEDevice

///

class Device {

public:

  Device() = default;

  virtual ~Device() = default;

  // virtual Date created() const = 0;

  virtual TimeInterval timeIntervalSinceLastUpdate() const = 0;

  virtual const TargetIdentifier& identifier() const = 0;

  virtual void identifier(const TargetIdentifier& toCopyFrom) = 0;

};

}

#endif