#ifndef __bbUtilitiesSpline_h_INCLUDED__
#define __bbUtilitiesSpline_h_INCLUDED__

//-----------------
// INCLUDES
//-----------------
#include "bbtkAtomicBlackBox.h"
#include "iostream"
#include "vtkKochanekSpline.h"

//-----------------
// CLASS CODE
//-----------------

namespace bbUtilities
{

class /*BBTK_EXPORT*/ Spline
 : 
   public bbtk::AtomicBlackBox
{
  BBTK_BLACK_BOX_INTERFACE(Spline,bbtk::AtomicBlackBox);
//==================================================================


//==================================================================
  //CONTROL POINTS
  BBTK_DECLARE_INPUT(XControlPoints,std::vector<double>);
  BBTK_DECLARE_INPUT(YControlPoints,std::vector<double>);
  BBTK_DECLARE_INPUT(ZControlPoints,std::vector<double>);

  //SPLINE POINTS
  BBTK_DECLARE_OUTPUT(XSplinePoints,std::vector<double>);
  BBTK_DECLARE_OUTPUT(YSplinePoints,std::vector<double>);
  BBTK_DECLARE_OUTPUT(ZSplinePoints,std::vector<double>);


  BBTK_PROCESS(Process);
  void Process();
  

private:
	
	/*
	 Vectors where the spline is stored
	*/
	std::vector<double> xControlPoints;
	std::vector<double>	yControlPoints;
	std::vector<double>	zControlPoints;
	
	/*
	 Vectors where the spline is stored
	*/
	 std::vector<double> xSpline;
	std::vector<double>	ySpline;
	std::vector<double>	zSpline;

	/*
	  Kochanek splines
	*/
	vtkKochanekSpline* xKSpline;
	vtkKochanekSpline* yKSpline;
    vtkKochanekSpline* zKSpline;

};

BBTK_BEGIN_DESCRIBE_BLACK_BOX(Spline,bbtk::AtomicBlackBox);
BBTK_NAME("Spline");
BBTK_AUTHOR("Monica Lozano");
BBTK_DESCRIPTION("Calculates the spline line from a set of consecutives points");
BBTK_CATEGORY("__CATEGORY__");
// CONTROL POINTS
BBTK_INPUT(Spline,XControlPoints,"X Control points from which the spline is calculated",std::vector<double>,"");
BBTK_INPUT(Spline,YControlPoints,"Y Control points from which the spline is calculated",std::vector<double>,"");
BBTK_INPUT(Spline,ZControlPoints,"Z Control points from which the spline is calculated",std::vector<double>,"");
//SPLINE POINTS
BBTK_OUTPUT(Spline,XSplinePoints,"The X spline line among the control points",std::vector<double>,"");
BBTK_OUTPUT(Spline,YSplinePoints,"The Y spline line among the control points",std::vector<double>,"");
BBTK_OUTPUT(Spline,ZSplinePoints,"The Z spline line among the control points",std::vector<double>,"");
BBTK_END_DESCRIBE_BLACK_BOX(Spline);
}
// EO namespace bbUtilities

#endif // __bbUtilitiesSpline_h_INCLUDED__