#ifndef AliTOFT0maker_H
#define AliTOFT0maker_H

#include "TString.h"
#include "AliESDEvent.h"
#include "AliStack.h"

class AliTOFcalibHisto;
class AliTOFT0v1;

class AliTOFT0maker: public TObject {
public:
  
  AliTOFT0maker() ;
  virtual ~AliTOFT0maker() ; // dtor
 
  void SetESDdata(Bool_t val=kTRUE){fESDswitch=val;};

  // return (...[0]=event time -- ...[1]=sigma event time in ps) if you can subtruct the event time; return NULL if there is no event time
  Double_t *RemakePID(AliESDEvent *esd,Double_t t0time=0.,Double_t t0sigma=1000.); // t0time and t0sigma in ps

  void      SetTimeResolution(Double_t timeresolution){fTimeResolution=timeresolution;};// TOF timeresolution in [s] e.g. for 120 ps -> 1.2e-10
  Double_t  GetTimeResolution(){return fTimeResolution;}
  
 private:
  void TakeTimeRawCorrection(AliESDEvent *esd);
  void RemakeTOFpid(AliESDEvent *esd,Float_t timezero);
  Double_t GetT0Fill(Int_t nrun);

 AliTOFcalibHisto *fCalib;

  Bool_t fESDswitch; // if you want take the ESD time instead of the raw + time slewing correction

  Double_t fTimeResolution;  // global time resolution used to calculate T0

  Float_t fT0sigma;
  
  ClassDef(AliTOFT0maker,1);  // Calculate the time zero using TOF detector */
  
};

#endif