//-----------------------------------------------------------------------------
//
//	Supervision.h
//
//	Implementation of the Z-Wave COMMAND_CLASS_SUPERVISION
//
//	Copyright (c) 2020 Mark Ruys <mark@paracas.nl>
//
//	SOFTWARE NOTICE AND LICENSE
//
//	This file is part of OpenZWave.
//
//	OpenZWave is free software: you can redistribute it and/or modify
//	it under the terms of the GNU Lesser General Public License as published
//	by the Free Software Foundation, either version 3 of the License,
//	or (at your option) any later version.
//
//	OpenZWave is distributed in the hope that it will be useful,
//	but WITHOUT ANY WARRANTY; without even the implied warranty of
//	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//	GNU Lesser General Public License for more details.
//
//	You should have received a copy of the GNU Lesser General Public License
//	along with OpenZWave.  If not, see <http://www.gnu.org/licenses/>.
//
//-----------------------------------------------------------------------------

#ifndef _Supervision_H
#define _Supervision_H

#include <deque>

#include "command_classes/CommandClass.h"

namespace OpenZWave
{
	namespace Internal
	{
		namespace CC
		{
			/** \brief Implements COMMAND_CLASS_SUPERVISION (0x6c), a Z-Wave device command class.
			 * \ingroup CommandClass
			 */
			class Supervision: public CommandClass
			{
				public:
					enum SupervisionCmd
					{
						SupervisionCmd_Get = 0x01,
						SupervisionCmd_Report = 0x02,
					};
					enum SupervisionMoreStatusUpdates
					{
						SupervisionMoreStatusUpdates_LastReport = 0x00,
						SupervisionMoreStatusUpdates_MoreReports = 0x80,
					};
					enum SupervisionStatus
					{
						SupervisionStatus_NoSupport = 0x00,
						SupervisionStatus_Working = 0x01,
						SupervisionStatus_Fail = 0x02,
						SupervisionStatus_Success = 0xff
					};

					static CommandClass* Create(uint32 const _homeId, uint8 const _nodeId)
					{
						return new Supervision(_homeId, _nodeId);
					}
					virtual ~Supervision()
					{
					}

					static uint8 const StaticGetCommandClassId()
					{
						return 0x6c;
					}
					static string const StaticGetCommandClassName()
					{
						return "COMMAND_CLASS_SUPERVISION";
					}

					uint8 CreateSupervisionSession(uint8 _command_class_id, uint8 _index);
					static uint8 const StaticNoSessionId()
					{
						return 0xff; // As sessions are only 5 bits, this value will never match
					}
					uint32 GetSupervisionIndex(uint8 _session_id);
					static uint32 const StaticNoIndex()
					{
						return 0xffff; // As indices are max 16 bits, this value will never match
					}

					// From CommandClass
					virtual uint8 const GetCommandClassId() const override
					{
						return StaticGetCommandClassId();
					}
					virtual string const GetCommandClassName() const override
					{
						return StaticGetCommandClassName();
					}
					virtual bool HandleIncomingMsg(uint8 const* _data, uint32 const _length, uint32 const _instance = 1) override;
					virtual bool HandleMsg(uint8 const* _data, uint32 const _length, uint32 const _instance = 1) override;

				private:
					Supervision(uint32 const _homeId, uint8 const _nodeId) :
						CommandClass(_homeId, _nodeId), 
						m_last_session_id{StaticNoSessionId()}
					{
					}

					struct s_Session {
						uint8 session_id;
						uint8 command_class_id;
						uint8 index;
					};
					std::deque<s_Session> m_sessions;
					uint8 m_last_session_id;

					void HandleSupervisionReport(uint8 const* _data, uint32 const _length, uint32 const _instance);
			};
		} // namespace CC
	} // namespace Internal
} // namespace OpenZWave

#endif