#pragma once
#include "Common.h"
#include <io.h>
#include <direct.h>
#include <itkImage.h>
#include <itkImportImageFilter.h>
#include <itkTranslationTransform.h>
#include <itkRegularStepGradientDescentOptimizerv4.h>
#include <itkCorrelationImageToImageMetricv4.h>
#include <itkGradientDifferenceImageToImageMetric.h>
#include <itkImageRegistrationMethodv4.h>
#include <itkImageRegistrationMethod.h>
#include <itkMetaImageIO.h>
#include <itkImageFileWriter.h>
#include <itkExtractImageFilter.h>
#include <itkRescaleIntensityImageFilter.h>
#include <itkBMPImageIO.h>
#include <itkFlipImageFilter.h>
#include <itkDiscreteGaussianImageFilter.h>
#include <itkRegionOfInterestImageFilter.h>
#include "ITKCommand.h"


using PixelType = float;
using VolumeImageType = itk::Image<PixelType, 3>;
using SliceImageType = itk::Image<PixelType, 2>;
using ImportFilterType = itk::ImportImageFilter<PixelType, 3>;
using SizeType = ImportFilterType::SizeType;
using IndexType = ImportFilterType::IndexType;
using RegionType = ImportFilterType::RegionType;
using OriginType = itk::SpacePrecisionType;
using SpacingType = itk::SpacePrecisionType;
using Transform3DType = itk::TranslationTransform<double, 3>;
using Transform2DType = itk::TranslationTransform<double, 2>;
using OutputPixelType = unsigned char;
using OutputImageType = itk::Image<OutputPixelType, 3>;
const bool ItkOwnTheBuffer = true;


class FusionHelper
{
public:
	FusionHelper();
	~FusionHelper();
	bool LoadBaseVolumeData(UniformVolumeDataInfo baseVolumeInfo);
	bool FuseWithAnotherVolumeData(UniformVolumeDataInfo  anotherVolumeInfo);
	bool GetFusedVolumeData(UniformVolumeDataInfo& fusedVolumeInfo);

private:
	ImportFilterType::Pointer CreateITKImageFromImportVolumeDatas(UniformVolumeDataInfo volumeInfo, bool flip=false);
	Transform3DType::ParametersType Get3DTransformationsWithCorrelationMetrics();
	Transform2DType::ParametersType Get2DTransformationsWithGradientDifferenceMetric(double translationZ);
	SliceImageType::Pointer ExtractOneFrame(VolumeImageType::Pointer image,int indexZ);
	void WriteMhaImage(VolumeImageType::Pointer image, std::string fileName);
	void WriteBmpImage(SliceImageType* image, std::string fileNmae);
	VolumeImageType::Pointer Translate3DImage(VolumeImageType::Pointer image,Transform3DType::OutputVectorType translation);
	ImportFilterType::Pointer ConcatTwoVolumeImageAlongX(VolumeImageType::Pointer oneImage, bool flipOneImage,
		VolumeImageType::Pointer anotherImage,bool flipAnotherImage);

	VolumeImageType::Pointer _fixedImage;
	VolumeImageType::Pointer _movingImage;
	ImportFilterType::Pointer _fixedImageImpporter;
	ImportFilterType::Pointer _movingImageImporter;

	float _spacing;
	ColorType _colorType;
	const std::string _outputFolderName = "Outputs";
};