#include "bbgdcmvtkGetXCoherentInfoGdcmReader.h"
#include "bbgdcmvtkPackage.h"

#include "gdcmFile.h"
#include "gdcmFileHelper.h"
#include "vtkImageData.h"
#include "vtkGdcmReader.h"
#include <vtkIndent.h>

namespace bbgdcmvtk
{

BBTK_ADD_BLACK_BOX_TO_PACKAGE(gdcmvtk,GetXCoherentInfoGdcmReader)
BBTK_BLACK_BOX_IMPLEMENTATION(GetXCoherentInfoGdcmReader,bbtk::AtomicBlackBox);
void GetXCoherentInfoGdcmReader::Process()
{
 // Read the *first* image file (a SET of file names is given as input) 
   f = GDCM_NAME_SPACE::File::New();
   f->SetFileName( bbGetInputIn()[0] );
   bool res = f->Load();  
   if ( !res )
   {
      f->Delete();
      bbSetOutputOut(0);
      return;
   }
 // Get info from the first image file
   int i;
   std::vector<double> v_iop;
   float iop[6];
   f->GetImageOrientationPatient(iop);
   for(i=0; i< 6; i++)
      v_iop.push_back(iop[i]);
   bbSetOutputIOP(v_iop );
 
   std::vector<double> v_ipp;
   float ipp[3];
   f->GetImagePositionPatient(ipp);
   for(i=0; i< 3; i++)
      v_ipp.push_back(ipp[i]);
   bbSetOutputIPP(v_ipp );


// Add *all the files* to the SerieHelper
   sh = GDCM_NAME_SPACE::SerieHelper::New();
   std::vector<std::string> gii = bbGetInputIn();
   for(std::vector<std::string>::iterator it = gii.begin();
                                          it != gii.end();
                                        ++it)
   {
      sh->AddFileName(*it);
   }

   GDCM_NAME_SPACE::FileList::const_iterator it;
   GDCM_NAME_SPACE::FileList *l;

   // Should only contain one!
   l = sh->GetFirstSingleSerieUIDFileSet();

   int nbFiles;
   double zspacing = 0.;
   nbFiles = l->size() ;
   sh->OrderFileList(l);
   zspacing = sh->GetZSpacing();

	std::vector<double> v_pixelspacing;
	v_pixelspacing.push_back( f->GetXSpacing() );
	v_pixelspacing.push_back( f->GetYSpacing() );
	v_pixelspacing.push_back( zspacing );
//	if (f->GetZSize() != 1) {
//		v_pixelspacing.push_back(f->GetZSpacing());
//	}
	bbSetOutputPixelSpacing(v_pixelspacing);
	
	

	if (reader!=NULL)
	{ 
		reader->Delete();
		reader=NULL;
	}
	reader = vtkGdcmReader::New();
   //reader->SetFileName( bbGetInputIn().c_str() );
   reader->SetCoherentFileList(l);
   reader->Update();
   reader->GetOutput();

   bbSetOutputOut( reader->GetOutput() );
}

void GetXCoherentInfoGdcmReader::bbUserSetDefaultValues()
{
    std::vector<std::string> init;
    init.push_back("");
    bbSetInputIn(init);  
	reader=NULL;
}

void GetXCoherentInfoGdcmReader::bbUserInitializeProcessing()
{
	
}

void GetXCoherentInfoGdcmReader::bbUserFinalizeProcessing()
{
   if(reader)
      reader->Delete();
   if(f)
      f->Delete();
   if(sh)
      sh->Delete();      
}

}
// EO namespace bbgdcmvtk