/********************************************************************************
* FaceTrackNoIR		This program is a private project of some enthusiastic		*
*					gamers from Holland, who don't like to pay much for			*
*					head-tracking.												*
*																				*
* Copyright (C) 2010	Wim Vriend (Developing)									*
*						Ron Hendriks (Researching and Testing)					*
*																				*
* Homepage																		*
*																				*
* 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; either version 3 of the License, or (at your		*
* option) any later version.													*
*																				*
* 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 for	*
* more details.																	*
*																				*
* You should have received a copy of the GNU General Public License along		*
* with this program; if not, see <http://www.gnu.org/licenses/>.				*
*																				*
* FTServer		FTServer is the Class, that communicates headpose-data			*
*				to games, using the FreeTrackClient.dll.		         		*
********************************************************************************/
#pragma once
#ifndef INCLUDED_FTSERVER_H
#define INCLUDED_FTSERVER_H

#include "ftnoir_protocol_base/ftnoir_protocol_base.h"
#include "ui_ftnoir_ftcontrols.h"
#include "facetracknoir/global-settings.h"
#include "fttypes.h"
#include <QMessageBox>
#include <QSettings>
#include <QLibrary>
#include <QProcess>
#include <QDebug>
#include <QFile>
#include <QString>
#include <windows.h>
#include <QMutex>
#include <QMutexLocker>
//#include "math.h"

//typedef char *(WINAPI *importProvider)(void);
typedef void (WINAPI *importTIRViewsStart)(void);
typedef void (WINAPI *importTIRViewsStop)(void);

class FTNoIR_Protocol : public IProtocol
{
public:
	FTNoIR_Protocol();
	~FTNoIR_Protocol();

	void Release();
    void Initialize();

	bool checkServerInstallationOK(  );
    void sendHeadposeToGame( double *headpose, double *rawheadpose );
    QString getGameName() {
        QMutexLocker foo(&game_name_mutex);
        return connected_game;
    }

private:
	bool FTCreateMapping();
	void FTDestroyMapping();

	importTIRViewsStart viewsStart;						// Functions inside TIRViews.dll
	importTIRViewsStop viewsStop;

	HANDLE hFTMemMap;
	FTMemMap *pMemData;
	HANDLE hFTMutex;
    QString game_name;

	// Private properties
	QString ProgramName;
	QLibrary FTIRViewsLib;
	QProcess dummyTrackIR;
	int intGameID;
	int intUsedInterface;								// Determine which interface to use (or to hide from the game)
	bool useTIRViews;									// Needs to be in the Settings dialog
	bool useDummyExe;
    bool force_tirviews;
    bool force_dummy;

	float getRadsFromDegrees ( float degrees ) { return (degrees * 0.017453f); }
	void loadSettings();
    void start_tirviews();
    void start_dummy();
    
    QString connected_game;
    QMutex game_name_mutex;
};

// Widget that has controls for FTNoIR protocol client-settings.
class FTControls: public QWidget, public IProtocolDialog
{
    Q_OBJECT
public:

	explicit FTControls();
    virtual ~FTControls();
	void showEvent ( QShowEvent * event );

	void Release();											// Member functions which are accessible from outside the DLL
    void Initialize(QWidget *parent);
	void registerProtocol(IProtocol *protocol) {
		theProtocol = (FTNoIR_Protocol *) protocol;			// Accept the pointer to the Protocol
	}
	void unRegisterProtocol() {
		theProtocol = NULL;									// Reset the pointer
	}

private:
	Ui::UICFTControls ui;
	void loadSettings();
	void save();

	/** helper **/
	bool settingsDirty;
	FTNoIR_Protocol *theProtocol;

private slots:
	void selectDLL();
	void doOK();
	void doCancel();
	void settingChanged() { settingsDirty = true; }
	void settingChanged(int) { settingsDirty = true; }
};

//*******************************************************************************************************
// FaceTrackNoIR Protocol DLL. Functions used to get general info on the Protocol
//*******************************************************************************************************
class FTNoIR_ProtocolDll : public Metadata
{
public:
	FTNoIR_ProtocolDll();
	~FTNoIR_ProtocolDll();

	void getFullName(QString *strToBeFilled) { *strToBeFilled = QString("FreeTrack 2.0"); }
	void getShortName(QString *strToBeFilled) { *strToBeFilled = QString("FreeTrack 2.0"); }
	void getDescription(QString *strToBeFilled) { *strToBeFilled = QString("Enhanced FreeTrack protocol"); }

	void getIcon(QIcon *icon) { *icon = QIcon(":/images/freetrack.png"); }
};


#endif//INCLUDED_FTSERVER_H
//END