// Copyright (C) 2003 Dolphin Project.

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.

// This program 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 General Public License 2.0 for more details.

// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/

// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/


#include <iostream> // System
#include <queue>

#include "wiiuse.h"

#include "Common.h"
#include "Thread.h"
#include "StringUtil.h"
#include "Timer.h"
#include "pluginspecs_wiimote.h"

#include "wiimote_hid.h"
#include "main.h"
#include "Config.h"
#include "EmuMain.h"
#include "EmuDefinitions.h"
#define EXCLUDE_H // Avoid certain declarations in wiimote_real.h
#include "wiimote_real.h"
#if defined(HAVE_WX) && HAVE_WX
#include "ConfigRecordingDlg.h"
#include "ConfigBasicDlg.h"
#endif

#ifdef WIN32
#include <bthdef.h>
#include <BluetoothAPIs.h>

#pragma comment(lib, "Bthprops.lib")
#endif
extern SWiimoteInitialize g_WiimoteInitialize;

namespace WiiMoteReal
{

bool g_RealWiiMoteInitialized = false;
bool g_RealWiiMoteAllocated = false;

// Forwarding

class CWiiMote;

// Variable declarations

wiimote_t**			g_WiiMotesFromWiiUse = NULL;
Common::Thread*		g_pReadThread = NULL;
int					g_NumberOfWiiMotes;
CWiiMote*			g_WiiMotes[MAX_WIIMOTES];	
volatile bool				g_Shutdown = false;
Common::Event		g_StartThread;
Common::Event		g_StopThreadTemporary;
bool				g_LocalThread = true;
bool				g_IRSensing = false;
bool				g_MotionSensing = false;
u64					g_UpdateTime = 0;
int					g_UpdateCounter = 0;
bool				g_RunTemporary = false;
int					g_RunTemporaryCountdown = 0;
u8					g_EventBuffer[32];
bool				g_WiimoteInUse[MAX_WIIMOTES];
Common::Event		NeedsConnect;
Common::Event		Connected;

#if defined(_WIN32) && defined(HAVE_WIIUSE)
//Autopairup
Common::Thread*		g_AutoPairUpInvisibleWindow = NULL;
Common::Thread*		g_AutoPairUpMonitoring = NULL;
Common::Event		g_StartAutopairThread;

int					stoprefresh = 0;
unsigned int		PairUpTimer = 2000;

int PaiUpRefreshWiimote();
THREAD_RETURN PairUp_ThreadFunc(void* arg);
THREAD_RETURN RunInvisibleMessageWindow_ThreadFunc(void* arg);
#endif

THREAD_RETURN ReadWiimote_ThreadFunc(void* arg);
THREAD_RETURN SafeCloseReadWiimote_ThreadFunc(void* arg);

// Probably this class should be in its own file

class CWiiMote
{
public:

CWiiMote(u8 _WiimoteNumber, wiimote_t* _pWiimote) 
    : m_WiimoteNumber(_WiimoteNumber)
    , m_channelID(0)
    , m_pWiiMote(_pWiimote)
    , m_pCriticalSection(NULL)
    , m_LastReportValid(false)
{
    m_pCriticalSection = new Common::CriticalSection();

    //wiiuse_set_leds(m_pWiiMote, WIIMOTE_LED_4);

	#ifdef _WIN32
		// F|RES: i dunno if we really need this
		CancelIo(m_pWiiMote->dev_handle);
	#endif
}

virtual ~CWiiMote() 
{
    delete m_pCriticalSection;
};


// Queue raw HID data from the core to the wiimote
void SendData(u16 _channelID, const u8* _pData, u32 _Size)
{
    m_channelID = _channelID;

    m_pCriticalSection->Enter();
    {
        SEvent WriteEvent;
		memcpy(WriteEvent.m_PayLoad, _pData, _Size);
		WriteEvent._Size = _Size;
        m_EventWriteQueue.push(WriteEvent);

		// Debugging
		//std::string Temp = ArrayToString(WriteEvent.m_PayLoad, 28, 0, 30);
		//DEBUG_LOG(WIIMOTE, "Wiimote Write:\n%s", Temp.c_str());
    }
    m_pCriticalSection->Leave();
}


/* Read and write data to the Wiimote */
void ReadData() 
{
	m_pCriticalSection->Enter();

	// Send data to the Wiimote
	if (!m_EventWriteQueue.empty())
	{
		//DEBUG_LOG(WIIMOTE, "Writing data to the Wiimote");
		SEvent& rEvent = m_EventWriteQueue.front();
		wiiuse_io_write(m_pWiiMote, (byte*)rEvent.m_PayLoad, rEvent._Size);
#ifdef _WIN32
		if (m_pWiiMote->event == WIIUSE_UNEXPECTED_DISCONNECT)
		{
			NOTICE_LOG(WIIMOTE, "wiiuse_io_write: unexpected disconnect. handle: %08x", m_pWiiMote->dev_handle);
		}
#endif
		m_EventWriteQueue.pop();

		//		InterruptDebugging(false, rEvent.m_PayLoad);
	}

	m_pCriticalSection->Leave();


	// Read data from wiimote (but don't send it to the core, just filter and queue)
	if (wiiuse_io_read(m_pWiiMote))
	{
		const byte* pBuffer = m_pWiiMote->event_buf;
		// Check if we have a channel (connection) if so save the data...
		if (m_channelID > 0)
		{
			m_pCriticalSection->Enter();

			// Filter out data reports
			if (pBuffer[1] >= 0x30) 
			{
				// Copy Buffer to LastReport
				memcpy(m_LastReport.m_PayLoad, pBuffer + 1, MAX_PAYLOAD - 1);
				m_LastReportValid = true;
			}
			else
			{
				// Copy Buffer to ImportantEvent
				SEvent ImportantEvent;
				memcpy(ImportantEvent.m_PayLoad, pBuffer + 1, MAX_PAYLOAD - 1);

				// Put it in the read queue right away
				m_EventReadQueue.push(ImportantEvent);
			}
			m_pCriticalSection->Leave();
		}
	}
#ifdef _WIN32
	else if (m_pWiiMote->event == WIIUSE_UNEXPECTED_DISCONNECT)
	{
		NOTICE_LOG(WIIMOTE, "wiiuse_io_read: unexpected disconnect. handle: %08x", m_pWiiMote->dev_handle);
	}
#endif
};


// Send queued data to the core
void Update() 
{
	// Thread function
    m_pCriticalSection->Enter();

    if (m_EventReadQueue.empty())
    {
		// Send the data report
        if (m_LastReportValid)
			SendEvent(m_LastReport);
    }
    else
    {
		// Send a 0x20, 0x21 or 0x22 report
        SendEvent(m_EventReadQueue.front());
        m_EventReadQueue.pop();
    }

    m_pCriticalSection->Leave();
};


// Clear events
void ClearEvents()
{
	while (!m_EventReadQueue.empty())
		m_EventReadQueue.pop();
	while (!m_EventWriteQueue.empty())
		m_EventWriteQueue.pop();	
}

private:

    struct SEvent 
    {
        SEvent()
        {
            memset(m_PayLoad, 0, MAX_PAYLOAD);
        }
        byte m_PayLoad[MAX_PAYLOAD];
		u32 _Size;
    };
    typedef std::queue<SEvent> CEventQueue;

    u8 m_WiimoteNumber; // Just for debugging
    u16 m_channelID;  
    CEventQueue m_EventReadQueue; // Read from Wiimote
    CEventQueue m_EventWriteQueue; // Write to Wiimote
    SEvent m_LastReport;
	wiimote_t* m_pWiiMote; // This is g_WiiMotesFromWiiUse[]
    Common::CriticalSection* m_pCriticalSection;
	bool m_LastReportValid;

// Send queued data to the core
void SendEvent(SEvent& _rEvent)
{
    // We don't have an answer channel
    if (m_channelID == 0)
		return;

    // Check event buffer
    u8 Buffer[1024];
    u32 Offset = 0;
    hid_packet* pHidHeader = (hid_packet*)(Buffer + Offset);
    pHidHeader->type = HID_TYPE_DATA;
    pHidHeader->param = HID_PARAM_INPUT;

	// Create the buffer
	memcpy(&Buffer[Offset], pHidHeader, sizeof(hid_packet));
	Offset += sizeof(hid_packet);
    memcpy(&Buffer[Offset], _rEvent.m_PayLoad, sizeof(_rEvent.m_PayLoad));
    Offset += sizeof(_rEvent.m_PayLoad); 

	// Send it
	g_WiimoteInitialize.pWiimoteInput(m_WiimoteNumber, m_channelID, Buffer, Offset);

	// Debugging
	// ReadDebugging(false, Buffer, Offset);  
}
};



// Function Definitions 

void SendAcc(u8 _ReportID)
{
	byte DataAcc[MAX_PAYLOAD];

	DataAcc[0] = 0x22; // Report 0x12
	DataAcc[1] = 0x00; // Core buttons
	DataAcc[2] = 0x00;
	DataAcc[3] = _ReportID; // Reporting mode

	for (int i = 0; i < g_NumberOfWiiMotes; i++)
		wiiuse_io_write(WiiMoteReal::g_WiiMotesFromWiiUse[i], (byte*)DataAcc, MAX_PAYLOAD);

	std::string Temp = ArrayToString(DataAcc, 28, 0, 30);
	DEBUG_LOG(WIIMOTE, "SendAcc: %s", Temp.c_str());

	//22 00 00 _reportID 00
}

// Clear any potential queued events
void ClearEvents()
{
	for (int i = 0; i < g_NumberOfWiiMotes; i++)
		if (g_WiimoteInUse[i])
			g_WiiMotes[i]->ClearEvents();
}

// Flash lights, and if connecting, also rumble
void FlashLights(bool Connect)
{

	for (int i = 0; i < g_NumberOfWiiMotes; i++)
	{
		if (Connect)
			wiiuse_rumble(WiiMoteReal::g_WiiMotesFromWiiUse[i], 1);
	}
		SLEEP(200);
	for (int i = 0; i < g_NumberOfWiiMotes; i++)
	{
		if (Connect) {
			wiiuse_rumble(WiiMoteReal::g_WiiMotesFromWiiUse[i], 0);
			wiiuse_set_leds(WiiMoteReal::g_WiiMotesFromWiiUse[i], WIIMOTE_LED_1 | WIIMOTE_LED_2 | WIIMOTE_LED_3 | WIIMOTE_LED_4);
		}
		else
			wiiuse_set_leds(WiiMoteReal::g_WiiMotesFromWiiUse[i], WIIMOTE_LED_NONE);
	}
}

int Initialize()
{
	// Return if already initialized
	if (g_RealWiiMoteInitialized)
		return g_NumberOfWiiMotes;
	NeedsConnect.Init();
	Connected.Init();

	// Clear the wiimote classes
    memset(g_WiiMotes, 0, sizeof(CWiiMote*) * MAX_WIIMOTES);
	for (int i = 0; i < MAX_WIIMOTES; i++)
		g_WiimoteInUse[i] = false;

	g_RealWiiMotePresent = false;
	g_RealWiiMoteAllocated = false;

	// Call Wiiuse.dll
	g_WiiMotesFromWiiUse = wiiuse_init(MAX_WIIMOTES);
	g_NumberOfWiiMotes = wiiuse_find(g_WiiMotesFromWiiUse, MAX_WIIMOTES, 5);
	DEBUG_LOG(WIIMOTE, "Found No of Wiimotes: %i", g_NumberOfWiiMotes);
	if (g_NumberOfWiiMotes > 0)
	{
		g_RealWiiMotePresent = true;
		// Create a new thread for listening for Wiimote data
		// and also connecting in Linux/OSX.
		// Windows connects to Wiimote in the wiiuse_find function
		g_pReadThread = new Common::Thread(ReadWiimote_ThreadFunc, NULL);
		// Don't run the Wiimote thread if no wiimotes were found
		g_Shutdown = false;
		NeedsConnect.Set();
		Connected.Wait();
	}
	else
		return 0;

	for (int i = 0; i < g_NumberOfWiiMotes; i++)
	{
		// Remove the wiiuse_poll() threshold
		wiiuse_set_accel_threshold(g_WiiMotesFromWiiUse[i], 0);
		
		// Set the ir sensor sensitivity.
		if (g_Config.iIRLevel) {
			wiiuse_set_ir_sensitivity(g_WiiMotesFromWiiUse[i], g_Config.iIRLevel);
		}

		// Set the sensor bar position, this should only affect the internal wiiuse api functions
		wiiuse_set_ir_position(g_WiiMotesFromWiiUse[i], WIIUSE_IR_ABOVE);

		// Set flags
		//wiiuse_set_flags(g_WiiMotesFromWiiUse[i], NULL, WIIUSE_SMOOTHING);
	}

	// psyjoe reports this allows majority of lost packets to be transferred.
	// Will test soon
		if (g_Config.bWiiReadTimeout != 10)
			wiiuse_set_timeout(g_WiiMotesFromWiiUse, g_NumberOfWiiMotes, g_Config.bWiiReadTimeout, g_Config.bWiiReadTimeout);

	// If we are connecting from the config window without a game running we set the LEDs
	if (g_EmulatorState != PLUGIN_EMUSTATE_PLAY && g_RealWiiMotePresent)
		FlashLights(true);
		

	/* Allocate memory and copy the Wiimote eeprom accelerometer neutral values
	   to g_Eeprom. Unlike with and extension we have to do this here, because
	   this data is only read once when the Wiimote is connected. Also, we
	   can't change the neutral values the wiimote will report, I think, unless
	   we update its eeprom? In any case it's probably better to let the
	   current calibration be where it is and adjust the global values after
	   that to avoid overwriting critical data on any Wiimote. */
	for (int i = 0; i < g_NumberOfWiiMotes; i++)
	{
		byte *data = (byte*)malloc(sizeof(byte) * sizeof(WiiMoteEmu::EepromData_0));
		wiiuse_read_data(g_WiiMotesFromWiiUse[i], data, 0, sizeof(WiiMoteEmu::EepromData_0));
	}

	// Initialized, even if we didn't find a Wiimote
	g_RealWiiMoteInitialized = true;
	
	return g_NumberOfWiiMotes;
}

// Allocate each Real WiiMote found to a WiiMote slot with Source set to "WiiMote Real"
void Allocate()
{
	if (g_RealWiiMoteAllocated)
		return;
	if (!g_RealWiiMoteInitialized)
		Initialize();

	// Clear the wiimote classes
    memset(g_WiiMotes, 0, sizeof(CWiiMote*) * MAX_WIIMOTES);
	for (int i = 0; i < MAX_WIIMOTES; i++)
		g_WiimoteInUse[i] = false;

	g_Config.bNumberEmuWiimotes = g_Config.bNumberRealWiimotes = 0;

	// Create Wiimote classes, one for each Real WiiMote found
	int current_number = 0;
	for (int i = 0; i < g_NumberOfWiiMotes; i++)
	{

		// Let's find out the slot this Real WiiMote will be using... We need this because the user can set any of the 4 WiiMotes as Real, Emulated or Inactive...
		for (; current_number < MAX_WIIMOTES; current_number++)
		{
			// Just to be sure we won't be overlapping any WiiMote...
			if (g_WiimoteInUse[current_number] == true)
				continue;
			if (WiiMoteEmu::WiiMapping[current_number].Source == 1)
				g_Config.bNumberEmuWiimotes++;
			// Found a WiiMote (slot) that wants to be real :P
			else if (WiiMoteEmu::WiiMapping[current_number].Source == 2) {
				g_Config.bNumberRealWiimotes++;
				break;
			}
		}
		// If we found a valid slot for this WiiMote...
		if (current_number < MAX_WIIMOTES)
		{
			g_WiiMotes[current_number] = new CWiiMote(current_number, g_WiiMotesFromWiiUse[i]);
			g_WiimoteInUse[current_number] = true;
			switch (current_number)
			{
				case 0:
					wiiuse_set_leds(g_WiiMotesFromWiiUse[i], WIIMOTE_LED_1);
					break;
				case 1:
					wiiuse_set_leds(g_WiiMotesFromWiiUse[i], WIIMOTE_LED_2);
					break;
				case 2:
					wiiuse_set_leds(g_WiiMotesFromWiiUse[i], WIIMOTE_LED_3);
					break;
				case 3:
					wiiuse_set_leds(g_WiiMotesFromWiiUse[i], WIIMOTE_LED_4);
					break;
				default:
					PanicAlert("Trying to create real wiimote %i WTF", current_number);
					break;
			}
			DEBUG_LOG(WIIMOTE, "Real WiiMote allocated as WiiMote #%i", current_number);
		}
	}

	// If there are more slots marked as "Real WiiMote" than the number of Real WiiMotes connected, disable them!
	for(current_number++; current_number < MAX_WIIMOTES; current_number++)
	{
		if (WiiMoteEmu::WiiMapping[current_number].Source == 1)
			g_Config.bNumberEmuWiimotes++;
		else if (WiiMoteEmu::WiiMapping[current_number].Source == 2)
			WiiMoteEmu::WiiMapping[current_number].Source = 0;
	}

	DEBUG_LOG(WIIMOTE, "Using %i Real Wiimote(s) and %i Emu Wiimote(s)", g_Config.bNumberRealWiimotes, g_Config.bNumberEmuWiimotes);

	// If we are not using any emulated wiimotes we can run the thread temporary until the data has beeen copied
	if (g_Config.bNumberEmuWiimotes == 0)
		g_RunTemporary = true;
	
	g_RealWiiMoteAllocated = true;

}

void DoState(PointerWrap &p) 
{
	//TODO: Implement
}

void Shutdown(void)
{
	if (!g_RealWiiMoteInitialized)
		return;
	// Stop the loop in the thread
	g_Shutdown = true; // not safe .. might crash when still @ReadWiimote

	// Stop the thread
	if (g_pReadThread != NULL)
	{
		delete g_pReadThread; 
		g_pReadThread = NULL;
	}

	// Delete the wiimotes
	for (int i = 0; i < MAX_WIIMOTES; i++)
	{
		delete g_WiiMotes[i];
		g_WiiMotes[i] = NULL;
	}

	// Flash flights
	if (g_EmulatorState != PLUGIN_EMUSTATE_PLAY && g_RealWiiMotePresent)
		FlashLights(false);

	// Clean up wiiuse
	wiiuse_cleanup(g_WiiMotesFromWiiUse, g_NumberOfWiiMotes);

	// Uninitialized
	g_RealWiiMoteInitialized = false;
	g_RealWiiMotePresent = false;
}

void InterruptChannel(int _WiimoteNumber, u16 _channelID, const void* _pData, u32 _Size)
{
	//DEBUG_LOG(WIIMOTE, "Real InterruptChannel on WiiMote #%i", _WiimoteNumber);
	g_WiiMotes[_WiimoteNumber]->SendData(_channelID, (const u8*)_pData, _Size);
}

void ControlChannel(int _WiimoteNumber, u16 _channelID, const void* _pData, u32 _Size)
{
	//DEBUG_LOG(WIIMOTE, "Real ControlChannel on WiiMote #%i", _WiimoteNumber);
	g_WiiMotes[_WiimoteNumber]->SendData(_channelID, (const u8*)_pData, _Size);
}


// Read the Wiimote once
void Update(int _WiimoteNumber)
{
	//DEBUG_LOG(WIIMOTE, "Real Update on WiiMote #%i", _WiimoteNumber);
	g_WiiMotes[_WiimoteNumber]->Update();
}

/* Continuously read the Wiimote status. However, the actual sending of data
   occurs in Update(). If we are not currently using the real Wiimote we allow
   the separate ReadWiimote() function to run. Wo don't use them at the same
   time to avoid a potential collision. */
THREAD_RETURN ReadWiimote_ThreadFunc(void* arg)
{
	g_StopThreadTemporary.Init();
	g_StartThread.Init();
	NeedsConnect.Wait();
#ifndef _WIN32
	int Connect;
	// WiiUse initializes the Wiimotes in Windows right from the wiiuse_find function
	// The Functionality should REALLY be changed
	Connect = wiiuse_connect(g_WiiMotesFromWiiUse, MAX_WIIMOTES);
	DEBUG_LOG(WIIMOTE, "Connected: %i", Connect);
#endif
	Connected.Set();
		
	while (!g_Shutdown)
	{
		// There is at least one Real Wiimote in use
		
		if (g_Config.bNumberRealWiimotes > 0 && !g_RunTemporary)
		{
			for (int i = 0; i < MAX_WIIMOTES; i++)
				if (g_WiimoteInUse[i])
					g_WiiMotes[i]->ReadData();
		}
		else {
			    
			if (!g_StopThreadTemporary.Wait(0)) 
			{
				// Event object was signaled, exiting thread to close ConfigRecordingDlg
				new Common::Thread(SafeCloseReadWiimote_ThreadFunc, NULL);
				g_StartThread.Set(); //tell the new thread to get going
				return 0;
			}
			else
				ReadWiimote();
		}
		
	}
	return 0;
}

// Returns whether SafeClose_ThreadFunc will take over closing of Recording dialog.
// FIXME: this whole threading stuff is bad, and should be removed.
//        OSX is having problems with the threading anyways, since WiiUse is used
//        from multiple threads, and not just the one where it was created on.
bool SafeClose()
{
	if (!g_RealWiiMoteInitialized)
		return false;

	g_StopThreadTemporary.Set();
	return true;
}

// Thread to avoid racing conditions by directly closing of ReadWiimote_ThreadFunc() resp. ReadWiimote() 
// shutting down the Dlg while still beeing @ReadWiimote will result in a crash;
THREAD_RETURN SafeCloseReadWiimote_ThreadFunc(void* arg)
{
	g_Shutdown = true;
	g_StartThread.Wait(); //Ready to start cleaning
	
	if (g_RealWiiMoteInitialized)
		Shutdown();
#if defined(HAVE_WX) && HAVE_WX
	m_RecordingConfigFrame->Close(true);
#endif
	if (!g_RealWiiMoteInitialized)
		Initialize();

	return 0;
}
// WiiMote Pair-Up
#ifdef WIN32
int WiimotePairUp(bool unpair)
{
	HANDLE hRadios[256];
	int nRadios;
	int nPaired = 0;

	// Enumerate BT radios
	HBLUETOOTH_RADIO_FIND hFindRadio;
	BLUETOOTH_FIND_RADIO_PARAMS radioParam;

	radioParam.dwSize = sizeof(BLUETOOTH_FIND_RADIO_PARAMS);
	nRadios = 0;

	hFindRadio = BluetoothFindFirstRadio(&radioParam, &hRadios[nRadios++]);
	if (hFindRadio)
	{
		while (BluetoothFindNextRadio(&radioParam, &hRadios[nRadios++]));
		BluetoothFindRadioClose(hFindRadio);
	}
	else
	{
		ERROR_LOG(WIIMOTE, "Pair-Up: Error enumerating radios", GetLastError());
		return -1;
	}
	nRadios--;
	//DEBUG_LOG(WIIMOTE, "Pair-Up: Found %d radios\n", nRadios);

	// Pair with Wii device(s)
	int radio = 0;

	for (radio = 0; radio < nRadios; radio++)
	{
		BLUETOOTH_RADIO_INFO radioInfo;
		HBLUETOOTH_DEVICE_FIND hFind;

		BLUETOOTH_DEVICE_INFO btdi;
		BLUETOOTH_DEVICE_SEARCH_PARAMS srch;

		radioInfo.dwSize = sizeof(radioInfo);
		btdi.dwSize = sizeof(btdi);
		srch.dwSize = sizeof(BLUETOOTH_DEVICE_SEARCH_PARAMS);

		BluetoothGetRadioInfo(hRadios[radio], &radioInfo);

		srch.fReturnAuthenticated = TRUE;
		srch.fReturnRemembered = TRUE;
		srch.fReturnConnected = TRUE; // does not filter properly somehow, so we 've to do an additional check on fConnected BT Devices
		srch.fReturnUnknown = TRUE;
		srch.fIssueInquiry = TRUE;
		srch.cTimeoutMultiplier = 1;
		srch.hRadio = hRadios[radio];

		//DEBUG_LOG(WIIMOTE, "Pair-Up: Scanning for BT Device(s)");

		hFind = BluetoothFindFirstDevice(&srch, &btdi);

		if (hFind == NULL)
		{
			ERROR_LOG(WIIMOTE, "Pair-Up: Error enumerating devices: %08x", GetLastError());  
			return -1;
		}

		do
		{
			//btdi.szName is sometimes missings it's content - it's a bt feature..
			if ((!wcscmp(btdi.szName, L"Nintendo RVL-WBC-01") || !wcscmp(btdi.szName, L"Nintendo RVL-CNT-01")) && !btdi.fConnected && !unpair)
			{
				//TODO: improve the readd of the BT driver, esp. when batteries of the wiimote are removed while beeing fConnected
				if (btdi.fRemembered) 
				{
					// Make Windows forget old expired pairing 
					// we can pretty much ignore the return value here.
					// it either worked (ERROR_SUCCESS), or the device did not exist (ERROR_NOT_FOUND)
					// in both cases, there is nothing left.
					BluetoothRemoveDevice(&btdi.Address);
				}

				// Activate service
				DWORD hr = BluetoothSetServiceState(hRadios[radio], &btdi, &HumanInterfaceDeviceServiceClass_UUID, BLUETOOTH_SERVICE_ENABLE);
				if (!hr == ERROR_SUCCESS) 
				{
					nPaired++;
				}
				else 
				{
					ERROR_LOG(WIIMOTE, "Pair-Up: BluetoothSetServiceState() returned %08x", hr);
				}
			}
			else if ((!wcscmp(btdi.szName, L"Nintendo RVL-WBC-01") || !wcscmp(btdi.szName, L"Nintendo RVL-CNT-01")) && unpair)
			{
							
					BluetoothRemoveDevice(&btdi.Address);
					NOTICE_LOG(WIIMOTE, "Pair-Up: Automatically removed BT Device on shutdown: %08x", GetLastError());
					nPaired++;

			}
		} while (BluetoothFindNextDevice(hFind, &btdi));
		BluetoothFindRadioClose(hFind);
	}

	SLEEP(10);


	// Clean up
	for (radio = 0; radio < nRadios; radio++)
	{
		CloseHandle(hRadios[radio]);
	}

	return nPaired;
}

#ifdef HAVE_WIIUSE
LRESULT CALLBACK CallBackDeviceChange(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    switch(uMsg)
	{
		
		case WM_DEVICECHANGE:

			// DBT_DEVNODES_CHANGED 0x007 (devnodes are atm not received); DBT_DEVICEARRIVAL 0x8000 DBT_DEVICEREMOVECOMPLETE 0x8004 // avoiding header file^^
		    if ( (  wParam == 0x8000 || wParam  == 0x8004 ||  wParam == 0x0007 ) )
			{
				if (wiiuse_check_system_notification(uMsg, wParam, lParam)) //extern wiiuse function: returns 1 if the event came from a wiimote
				{
					switch (wParam)
					{
						case 0x8000:
							if (stoprefresh) // arrival will pop up twice //need to rewrite the stoprefresh thing, to support multiple pair ups in one go
							{
								stoprefresh = 0;
								
									PaiUpRefreshWiimote();
								break;
							}
							else stoprefresh = 1; //fake arrival wait for second go
							break;

						case 0x8004:
							if (!stoprefresh) // removal event will pop up only once (it will also pop up if we add a device: fake arrival, fake removal, real arrival.
							{
								PaiUpRefreshWiimote();
							}
							break;
					}
				}
			}
			return DefWindowProc(hWnd, uMsg, wParam, lParam);

		default:
			return DefWindowProc(hWnd, uMsg, wParam, lParam);
    }

return 0;
}

THREAD_RETURN RunInvisibleMessageWindow_ThreadFunc(void* arg)
{
	MSG Msg;
	HWND hwnd;
	
	WNDCLASSEX  WCEx;
    ZeroMemory(&WCEx, sizeof(WCEx));
    WCEx.cbSize        = sizeof(WCEx);
    WCEx.lpfnWndProc   = CallBackDeviceChange;
    WCEx.hInstance     = g_hInstance;
    WCEx.lpszClassName = L"MSGWND";
	
	if (RegisterClassEx(&WCEx) != 0)
    {
		hwnd = CreateWindowEx(0, WCEx.lpszClassName, NULL,0,
						0, 0, 0, 0, HWND_MESSAGE, NULL, g_hInstance, NULL);

		if (!hwnd) {
			UnregisterClass(WCEx.lpszClassName, g_hInstance);
			return 1;
		}
	}

	wiiuse_register_system_notification(hwnd); //function moved into wiiuse to avoid ddk/wdk dependicies
        
    while(GetMessage(&Msg, 0, 0, 0) > 0)
    {
		TranslateMessage(&Msg);
        DispatchMessage(&Msg);
    }

	UnregisterClass(WCEx.lpszClassName, g_hInstance);

	if (g_Config.bUnpairRealWiimote)
		WiiMoteReal::WiimotePairUp(true);

     return (int)Msg.wParam;

}

int PaiUpRefreshWiimote()
{
	if (g_EmulatorState != PLUGIN_EMUSTATE_PLAY)
	{
		Shutdown();
		Initialize();
		//Allocate();
		if (m_BasicConfigFrame != NULL)
			m_BasicConfigFrame->UpdateGUI();
	}
	else {

		Sleep(100);
		PostMessage(GetParent(g_WiimoteInitialize.hWnd), WM_USER, WM_USER_PAUSE, 0);
		while (g_EmulatorState == PLUGIN_EMUSTATE_PLAY) Sleep(50);
		Shutdown();
		Initialize();
		Allocate();
		PostMessage(GetParent(g_WiimoteInitialize.hWnd), WM_USER, WM_USER_PAUSE, 0);
		while (g_EmulatorState != PLUGIN_EMUSTATE_PLAY) Sleep(50);
		
	}
	return 0;
}


THREAD_RETURN PairUp_ThreadFunc(void* arg)
{
	Sleep(100); //small pause till the callback is registered on first start
	DEBUG_LOG(WIIMOTE, "PairUp_ThreadFunc started.");
	g_StartAutopairThread.Init();
	int result;

	while(1) {
		if (g_Config.bPairRealWiimote) {
			PairUpTimer = 2000;
			result = g_StartAutopairThread.Wait(PairUpTimer);
		}
		else {
			result = g_StartAutopairThread.Wait();
		}

		if (result)
			WiimotePairUp(false);
		else {
			if (m_BasicConfigFrame != NULL)
				m_BasicConfigFrame->UpdateBasicConfigDialog(false);
			WiimotePairUp(false);
			if (m_BasicConfigFrame != NULL)
				m_BasicConfigFrame->UpdateBasicConfigDialog(true);
			
		}

	}
	DEBUG_LOG(WIIMOTE, "PairUp_ThreadFunc terminated.");
return 0;
}

#endif
#endif

}; // end of namespace

