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

#include "value_classes/ValueByte.h"

namespace OpenZWave
{
	namespace Internal
	{
		namespace CC
		{

			enum SensorAlarmCmd
			{
				SensorAlarmCmd_Get = 0x01,
				SensorAlarmCmd_Report = 0x02,
				SensorAlarmCmd_SupportedGet = 0x03,
				SensorAlarmCmd_SupportedReport = 0x04
			};

			static char const* c_alarmTypeName[] =
			{ "General", "Smoke", "Carbon Monoxide", "Carbon Dioxide", "Heat", "Flood" };

//-----------------------------------------------------------------------------
// <SensorAlarm::SensorAlarm>
// Constructor
//-----------------------------------------------------------------------------
			SensorAlarm::SensorAlarm(uint32 const _homeId, uint8 const _nodeId) :
					CommandClass(_homeId, _nodeId)
			{
				SetStaticRequest(StaticRequest_Values);
			}

//-----------------------------------------------------------------------------
// <SensorAlarm::RequestState>
// Get the static thermostat setpoint details from the device
//-----------------------------------------------------------------------------
			bool SensorAlarm::RequestState(uint32 const _requestFlags, uint8 const _instance, Driver::MsgQueue const _queue)
			{
				bool requests = false;
				if ((_requestFlags & RequestFlag_Static) && HasStaticRequest(StaticRequest_Values))
				{
					requests = RequestValue(_requestFlags, 0xff, _instance, _queue);
				}

				if (_requestFlags & RequestFlag_Dynamic)
				{
					for (uint8 i = 0; i < SensorAlarm_Count; ++i)
					{
						Internal::VC::Value* value = GetValue(1, i);
						if (value != NULL)
						{
							value->Release();
							// There is a value for this alarm type, so request it
							requests |= RequestValue(_requestFlags, i, _instance, _queue);
						}
					}
				}

				return requests;
			}

//-----------------------------------------------------------------------------
// <SensorAlarm::RequestValue>
// Get the sensor alarm details from the device
//-----------------------------------------------------------------------------
			bool SensorAlarm::RequestValue(uint32 const _requestFlags, uint16 const _alarmType, uint8 const _instance, Driver::MsgQueue const _queue)
			{
				if (_alarmType == 0xff)
				{
					// Request the supported alarm types
					Msg* msg = new Msg("SensorAlarmCmd_SupportedGet", 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(SensorAlarmCmd_SupportedGet);
					msg->Append(GetDriver()->GetTransmitOptions());
					GetDriver()->SendMsg(msg, _queue);
					return true;
				}
				else
				{
					// Request the alarm state
					if (m_com.GetFlagBool(COMPAT_FLAG_GETSUPPORTED))
					{
						Msg* msg = new Msg("SensorAlarmCmd_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(SensorAlarmCmd_Get);
						msg->Append((_alarmType & 0xFF));
						msg->Append(GetDriver()->GetTransmitOptions());
						GetDriver()->SendMsg(msg, _queue);
						return true;
					}
					else
					{
						Log::Write(LogLevel_Info, GetNodeId(), "SensorAlarmCmd_Get Not Supported on this node");
					}
				}
				return false;
			}

//-----------------------------------------------------------------------------
// <SensorAlarm::HandleMsg>
// Handle a message from the Z-Wave network
//-----------------------------------------------------------------------------
			bool SensorAlarm::HandleMsg(uint8 const* _data, uint32 const _length, uint32 const _instance	// = 1
					)
			{
				if (SensorAlarmCmd_Report == (SensorAlarmCmd) _data[0])
				{
					// We have received an alarm state report from the Z-Wave device
					if (Internal::VC::ValueByte* value = static_cast<Internal::VC::ValueByte*>(GetValue(_instance, _data[2])))
					{
						uint8 sourceNodeId = _data[1];
						uint8 state = _data[3];
						// uint16 time = (((uint16)_data[4])<<8) | (uint16)_data[5];  Don't know what to do with this yet.

						value->OnValueRefreshed(state);
						value->Release();
						Log::Write(LogLevel_Info, GetNodeId(), "Received alarm state report from node %d: %s = %d", sourceNodeId, value->GetLabel().c_str(), state);
					}

					return true;
				}

				if (SensorAlarmCmd_SupportedReport == (SensorAlarmCmd) _data[0])
				{
					if (Node* node = GetNodeUnsafe())
					{
						// We have received the supported alarm types from the Z-Wave device
						Log::Write(LogLevel_Info, GetNodeId(), "Received supported alarm types");

						// Parse the data for the supported alarm types
						uint8 numBytes = _data[1];
						for (uint32 i = 0; i < numBytes; ++i)
						{
							for (int32 bit = 0; bit < 8; ++bit)
							{
								if ((_data[i + 2] & (1 << bit)) != 0)
								{
									// Add supported setpoint
									int32 index = (int32) (i << 3) + bit;
									if (index < SensorAlarm_Count)
									{
										node->CreateValueByte(ValueID::ValueGenre_User, GetCommandClassId(), _instance, index, c_alarmTypeName[index], "", true, false, 0, 0);
										Log::Write(LogLevel_Info, GetNodeId(), "    Added alarm type: %s", c_alarmTypeName[index]);
									}
								}
							}
						}
					}

					ClearStaticRequest(StaticRequest_Values);
					return true;
				}

				return false;
			}
		} // namespace CC
	} // namespace Internal
} // namespace OpenZWave