//-----------------------------------------------------------------------------
//
//	EnergyProduction.cpp
//
//	Implementation of the Z-Wave COMMAND_CLASS_ENERGY_PRODUCTION
//
//	Copyright (c) 2010 Mal Lansell <openzwave@lansell.org>
//
//	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/>.
//
//-----------------------------------------------------------------------------

#include "command_classes/CommandClasses.h"
#include "command_classes/EnergyProduction.h"
#include "Defs.h"
#include "Msg.h"
#include "Node.h"
#include "Driver.h"
#include "platform/Log.h"

#include "value_classes/ValueDecimal.h"

namespace OpenZWave
{
	namespace Internal
	{
		namespace CC
		{

			enum EnergyProductionCmd
			{
				EnergyProductionCmd_Get = 0x02,
				EnergyProductionCmd_Report = 0x03
			};

			static char const* c_energyParameterNames[] =
			{ "Instant energy production", "Total energy production", "Energy production today", "Total production time" };

//-----------------------------------------------------------------------------
// <EnergyProduction::RequestState>
// Request current state from the device
//-----------------------------------------------------------------------------
			bool EnergyProduction::RequestState(uint32 const _requestFlags, uint8 const _instance, Driver::MsgQueue const _queue)
			{
				bool request = false;
				if (_requestFlags & RequestFlag_Dynamic)
				{
					// Request each of the production values
					request |= RequestValue(_requestFlags, ValueID_Index_EnergyProduction::Instant, _instance, _queue);
					request |= RequestValue(_requestFlags, ValueID_Index_EnergyProduction::Total, _instance, _queue);
					request |= RequestValue(_requestFlags, ValueID_Index_EnergyProduction::Today, _instance, _queue);
					request |= RequestValue(_requestFlags, ValueID_Index_EnergyProduction::Time, _instance, _queue);
				}

				return request;
			}

//-----------------------------------------------------------------------------
// <EnergyProduction::RequestValue>
// Request current production from the device
//-----------------------------------------------------------------------------
			bool EnergyProduction::RequestValue(uint32 const _requestFlags, uint16 const _valueEnum,		// one of EnergyProductionIndex enums
					uint8 const _instance, Driver::MsgQueue const _queue)
			{
				if (_valueEnum > ValueID_Index_EnergyProduction::Time)
				{
					Log::Write(LogLevel_Warning, GetNodeId(), "RequestValue _valueEnum was greater than range. Dropping");
					return false;
				}

				if (m_com.GetFlagBool(COMPAT_FLAG_GETSUPPORTED))
				{
					Log::Write(LogLevel_Info, GetNodeId(), "Requesting the %s value", c_energyParameterNames[_valueEnum]);
					Msg* msg = new Msg("EnergyProductionCmd_Get", GetNodeId(), REQUEST, FUNC_ID_ZW_SEND_DATA, true, true, FUNC_ID_APPLICATION_COMMAND_HANDLER, GetCommandClassId());
					msg->SetInstance(this, _instance);
					msg->Append(GetNodeId());
					msg->Append(3);
					msg->Append(GetCommandClassId());
					msg->Append(EnergyProductionCmd_Get);
					msg->Append((_valueEnum & 0xFF));
					msg->Append(GetDriver()->GetTransmitOptions());
					GetDriver()->SendMsg(msg, _queue);
					return true;
				}
				else
				{
					Log::Write(LogLevel_Info, GetNodeId(), "EnergyProductionCmd_Get Not Supported on this node");
				}
				return false;
			}
//-----------------------------------------------------------------------------
// <EnergyProduction::HandleMsg>
// Handle a message from the Z-Wave network
//-----------------------------------------------------------------------------
			bool EnergyProduction::HandleMsg(uint8 const* _data, uint32 const _length, uint32 const _instance	// = 1
					)
			{
				if (EnergyProductionCmd_Report == (EnergyProductionCmd) _data[0])
				{
					uint8 scale;
					uint8 precision = 0;
					string value = ExtractValue(&_data[2], &scale, &precision);
					uint8 paramType = _data[1];
					if (paramType > 4) /* size of  c_energyParameterNames minus Invalid Entry*/
					{
						Log::Write(LogLevel_Warning, GetNodeId(), "paramType Value was greater than range. Dropping Message");
						return false;
					}

					Log::Write(LogLevel_Info, GetNodeId(), "Received an Energy production report: %s = %s", c_energyParameterNames[_data[1]], value.c_str());
					if (Internal::VC::ValueDecimal* decimalValue = static_cast<Internal::VC::ValueDecimal*>(GetValue(_instance, _data[1])))
					{
						decimalValue->OnValueRefreshed(value);
						if (decimalValue->GetPrecision() != precision)
						{
							decimalValue->SetPrecision(precision);
						}
						decimalValue->Release();
					}
					return true;
				}

				return false;
			}

//-----------------------------------------------------------------------------
// <EnergyProduction::CreateVars>
// Create the values managed by this command class
//-----------------------------------------------------------------------------
			void EnergyProduction::CreateVars(uint8 const _instance)
			{
				if (Node* node = GetNodeUnsafe())
				{
					node->CreateValueDecimal(ValueID::ValueGenre_User, GetCommandClassId(), _instance, (uint8) ValueID_Index_EnergyProduction::Instant, c_energyParameterNames[ValueID_Index_EnergyProduction::Instant], "W", true, false, "0.0", 0);
					node->CreateValueDecimal(ValueID::ValueGenre_User, GetCommandClassId(), _instance, (uint8) ValueID_Index_EnergyProduction::Total, c_energyParameterNames[ValueID_Index_EnergyProduction::Total], "kWh", true, false, "0.0", 0);
					node->CreateValueDecimal(ValueID::ValueGenre_User, GetCommandClassId(), _instance, (uint8) ValueID_Index_EnergyProduction::Today, c_energyParameterNames[ValueID_Index_EnergyProduction::Today], "kWh", true, false, "0.0", 0);
					node->CreateValueDecimal(ValueID::ValueGenre_User, GetCommandClassId(), _instance, (uint8) ValueID_Index_EnergyProduction::Time, c_energyParameterNames[ValueID_Index_EnergyProduction::Time], "", true, false, "0.0", 0);
				}
			}
		} // namespace CC
	} // namespace Internal
} // namespace OpenZWave