#ifndef TTCRACOWTASK_H
#define TTCRACOWTASK_H

// Base Class Headers ----------------
#include "FairTask.h"

// Collaborating Class Headers -------
#include <map>
#include "TString.h"
#include <iostream>

using namespace std;

// Collaborating Class Declarations --
class TClonesArray;
class TGeoManager;

class TtCracowTask : public FairTask {

public:

  // Constructors/Destructors ---------
  TtCracowTask();
  // TtCracowTask(const TtCracowTask& o){};
  //  TtCracowTask& operator=(const TtCracowTask& o) { return *this;};
  virtual ~TtCracowTask();
  TtCracowTask(const TtCracowTask& ) = delete;
  TtCracowTask& operator=(const TtCracowTask& ) = delete;

  virtual InitStatus Init();

  virtual void Exec(Option_t* opt);

  static void SumDistance2(int &, double *, double & sum, double * par, int ); //for Fitter

  static double distance2(double x,double y,double z, double *p);

  static double distance2Single(double x,double y,double z, double ex, double ey, double ez, double *p);

  virtual void FinishEvent();

private:


  // Input Data------------
  TClonesArray* fTCandArray;
  TString fTCandBranchName;

  // Output Data----------
  TClonesArray* fTrackArray;

  //Bool_t firstIt; 

  Int_t fTrackcount;

  Int_t fEvent;

  Double_t fEloss[6]; // energy loss in each sensor

  // Fitting ------------
 
  void  MyFit(Double_t *x,Double_t *y,Double_t *z,Double_t *Erx,Double_t *Ery,Double_t *Erz,Double_t *par, Double_t &chiX, Double_t &chiY);

  ClassDef(TtCracowTask,1);

};

#endif