#ifndef _DICOMSCANSERVICE_H_
#define _DICOMSCANSERVICE_H_

#include <qstring.h>
#include <functional>
#include <utility>
#include "gPatientRTGeneralInfos.h"
//#include "wrkDirParser.h"
#include <qdir.h>
#include <vtkSmartPointer.h>
#include <vtkImageData.h>
#include "dicomUtils.h"


/*_________________________________________________________-

Patient loader for gLocalize. 
no wrkDir behaviour. just load data
____________________________________________________________*/


#include "connectITKVTK.h"
//#include "itkAnalyzeImageIO.h"
#include "itkChangeInformationImageFilter.h"
#include "itkImage.h"
#include "itkImage.h"
#include "itkImageFileWriter.h"
#include "itkOrientImageFilter.h"
#include "itkPermuteAxesImageFilter.h"
#include "itkRescaleIntensityImageFilter.h"
#include "itkImageSeriesReader.h"
#include "itkGDCMImageIO.h"
#include "itkGDCMSeriesFileNames.h"
#include "gdcmIPPSorter.h"


#ifndef TPATIENTORIENTATION
#define TPATIENTORIENTATION
	typedef	enum {
			NOTDEFINED=0,
			SUPINE = 1,
			PRONE =2
		} t_patientOrientation;
#endif

#ifndef PARSERVARIABLES	
#define PARSERVARIABLES
	enum patientErrors {
	  NOERRORS,
	  PARSER_FOLDER_NOTEXISTING, 
	  PARSER_FOLDER_EMPTY, 
	  PARSER_RTPLAN_NOTUNIQUE,
	  PARSER_RTPLAN_MISSING,
	  PARSER_RTSTRUCT_NOTUNIQUE,
	  PARSER_RTSTRUCT_MISSING,
	  PARSER_CT_FILES_MISSING, 
	  PARSER_CT_FAILED_SORTING,
	  POPULATE_INCONSISTENT_DATASET,
	  POPULATE_NOTEXISTING,
	  CLEAR_FOLDER_NOTEXISTING
	};


	enum patientParseOption{
	  NOCLEAN,
	  CLEAN
	};
	enum patientCleanMode{
	  JUSTCLEAR,
	  ISLOADINGCHECK
	};
#endif

#ifndef _T_REFERENCE_
#define _T_REFERENCE_
typedef enum{
	DCMREF=0,
	RTREF=1,
	GOTSREF=2
}t_reference;

#endif

 typedef itk::Image<short,3> myImageType;


class DicomScanService {
public:
	DicomScanService();
    ~DicomScanService();

    struct Callbacks {
        std::function<void()> folderIsEmpty;
        std::function<void(QString)> statusInfo;
        std::function<void(int, gPatientRTGeneralInfos*)> parse_result;
        std::function<void(QString)> loadFail;
        std::function<void(vtkImageData*)> loadEnd;
        std::function<void(double*)> loadedRTIso;
        std::function<void(double*, double*, int*)> loadedVolBBox;
        std::function<void(double, double, double)> referenceChange;
        std::function<void(bool)> virtualIsoTested;
    };

    void setCallbacks(Callbacks cb) { callbacks = std::move(cb); }


public:
	void load(QString p_loadDir);
	void changeRef(int selectedRef);

private:
	QString loadDir;
	gPatientRTGeneralInfos* patientInfos;
	void loadDICOM(std::vector<std::string> CTfilenames);
	void connectToVTK();
	void actualizeOut();
	void parse(QString p_loadDir);
	t_patientOrientation m_patientOrientation;
	vtkSmartPointer <vtkImageData> vol3D;
	  
	myImageType::Pointer myImage;
	itk::ImageSeriesReader<myImageType>::Pointer rDICOM;
	itk::GDCMImageIO::Pointer iGDCMimage ;
	itk::GDCMSeriesFileNames::Pointer myDICOMseries;
	myImageType::DirectionType imageDir;
	myImageType::PointType origin;
	myImageType::SizeType sizeOfImage;
	myImageType::PointType trueOffset;
	myImageType::PointType trueOffset_rot;
	myImageType::PointType trueOffset_rot_prev;
	myImageType::DirectionType directionToWCS;

	bool initialized;

	vtkSmartPointer<vtkImageImport> out;
	itk::VTKImageExport <myImageType>::Pointer in;

	RTPlan * readRT;
	double* m_rtIsocenter;
	bool virtualIso;
	t_reference m_reference;


private:
    Callbacks callbacks;
};

#endif