//-----------------------------------------------------------------------------
//
//	MeterPulse.cpp
//
//	Implementation of the Z-Wave COMMAND_CLASS_METER_PULSE
//
//	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/MeterPulse.h"
#include "Defs.h"
#include "Msg.h"
#include "Node.h"
#include "Driver.h"
#include "platform/Log.h"

#include "value_classes/ValueInt.h"

using namespace OpenZWave;

enum MeterPulseCmd
{
	MeterPulseCmd_Get		= 0x04,
	MeterPulseCmd_Report	= 0x05
};

//-----------------------------------------------------------------------------
// <MeterPulse::RequestState>
// Request current state from the device
//-----------------------------------------------------------------------------
bool MeterPulse::RequestState
(
	uint32 const _requestFlags,
	uint8 const _instance,
	Driver::MsgQueue const _queue
)
{
	if( _requestFlags & RequestFlag_Dynamic )
	{
		return RequestValue( _requestFlags, 0, _instance, _queue );
	}

	return false;
}

//-----------------------------------------------------------------------------
// <MeterPulse::RequestValue>
// Request current value from the device
//-----------------------------------------------------------------------------
bool MeterPulse::RequestValue
(
	uint32 const _requestFlags,
	uint8 const _dummy1,	// = 0 (not used)
	uint8 const _instance,
	Driver::MsgQueue const _queue
)
{
	if ( IsGetSupported() )
	{
		Msg* msg = new Msg( "MeterPulseCmd_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( 2 );
		msg->Append( GetCommandClassId() );
		msg->Append( MeterPulseCmd_Get );
		msg->Append( GetDriver()->GetTransmitOptions() );
		GetDriver()->SendMsg( msg, _queue );
		return true;
	} else {
		Log::Write(  LogLevel_Info, GetNodeId(), "MeterPulseCmd_Get Not Supported on this node");
	}
	return false;
}

//-----------------------------------------------------------------------------
// <MeterPulse::HandleMsg>
// Handle a message from the Z-Wave network
//-----------------------------------------------------------------------------
bool MeterPulse::HandleMsg
(
	uint8 const* _data,
	uint32 const _length,
	uint32 const _instance	// = 1
)
{
	if( MeterPulseCmd_Report == (MeterPulseCmd)_data[0] )
	{
		int32 count = 0;
		for( uint8 i=0; i<4; ++i )
		{
			count <<= 8;
			count |= (uint32)_data[i+1];
		}

		Log::Write( LogLevel_Info, GetNodeId(), "Received a meter pulse count: Count=%d", count );
		if( ValueInt* value = static_cast<ValueInt*>( GetValue( _instance, 0 ) ) )
		{
			value->OnValueRefreshed( count );
			value->Release();
		}

		return true;
	}

	return false;
}

//-----------------------------------------------------------------------------
// <MeterPulse::CreateVars>
// Create the values managed by this command class
//-----------------------------------------------------------------------------
void MeterPulse::CreateVars
(
	uint8 const _instance
)
{
	if( Node* node = GetNodeUnsafe() )
	{
	  	node->CreateValueInt( ValueID::ValueGenre_User, GetCommandClassId(), _instance, 0, "Count", "", true, false, 0, 0 );
	}
}