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

#include "value_classes/ValueString.h"

namespace OpenZWave
{
	namespace Internal
	{
		namespace CC
		{

			enum LanguageCmd
			{
				LanguageCmd_Set = 0x01,
				LanguageCmd_Get = 0x02,
				LanguageCmd_Report = 0x03
			};

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

				return false;
			}

//-----------------------------------------------------------------------------
// <Language::RequestValue>
// Request current value from the device
//-----------------------------------------------------------------------------
			bool Language::RequestValue(uint32 const _requestFlags, uint16 const _dummy1,	// = 0 (not used)
					uint8 const _instance, Driver::MsgQueue const _queue)
			{
				if (_instance != 1)
				{
					// This command class doesn't work with multiple instances
					return false;
				}
				if (m_com.GetFlagBool(COMPAT_FLAG_GETSUPPORTED))
				{
					Msg* msg = new Msg("LanguageCmd_Get", GetNodeId(), REQUEST, FUNC_ID_ZW_SEND_DATA, true, true, FUNC_ID_APPLICATION_COMMAND_HANDLER, GetCommandClassId());
					msg->Append(GetNodeId());
					msg->Append(2);
					msg->Append(GetCommandClassId());
					msg->Append(LanguageCmd_Get);
					msg->Append(GetDriver()->GetTransmitOptions());
					GetDriver()->SendMsg(msg, _queue);
					return true;
				}
				else
				{
					Log::Write(LogLevel_Info, GetNodeId(), "LanguageCmd_Get Not Supported on this node");
				}
				return false;
			}

//-----------------------------------------------------------------------------
// <Language::HandleMsg>
// Handle a message from the Z-Wave network
//-----------------------------------------------------------------------------
			bool Language::HandleMsg(uint8 const* _data, uint32 const _length, uint32 const _instance	// = 1
					)
			{
				if (LanguageCmd_Report == (LanguageCmd) _data[0])
				{
					char language[4];
					char country[3];

					language[0] = _data[1];
					language[1] = _data[2];
					language[2] = _data[3];
					language[3] = 0;

					country[0] = _data[4];
					country[1] = _data[5];
					country[2] = 0;

					Log::Write(LogLevel_Info, GetNodeId(), "Received Language report: Language=%s, Country=%s", language, country);
					ClearStaticRequest(StaticRequest_Values);

					if (Internal::VC::ValueString* languageValue = static_cast<Internal::VC::ValueString*>(GetValue(_instance, ValueID_Index_Language::Language)))
					{
						languageValue->OnValueRefreshed(language);
						languageValue->Release();
					}
					if (Internal::VC::ValueString* countryValue = static_cast<Internal::VC::ValueString*>(GetValue(_instance, ValueID_Index_Language::Country)))
					{
						countryValue->OnValueRefreshed(country);
						countryValue->Release();
					}
					return true;
				}

				return false;
			}

//-----------------------------------------------------------------------------
// <Language::CreateVars>
// Create the values managed by this command class
//-----------------------------------------------------------------------------
			void Language::CreateVars(uint8 const _instance)
			{
				if (Node* node = GetNodeUnsafe())
				{
					node->CreateValueString(ValueID::ValueGenre_System, GetCommandClassId(), _instance, ValueID_Index_Language::Language, "Language", "", false, false, "", 0);
					node->CreateValueString(ValueID::ValueGenre_System, GetCommandClassId(), _instance, ValueID_Index_Language::Country, "Country", "", false, false, "", 0);
				}
			}
		} // namespace CC
	} // namespace Internal
} // namespace OpenZWave