#ifndef ALITOFT0MAKERANA_H
#define ALITOFT0MAKERANA_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id: AliRsnTOFT0maker.h,v 1.8 2010/01/19 16:32:20 noferini Exp $ */

///////////////////////////////////////////////
//                  //
//  Manager class for time zero evaluation   //
//  with TOF informations                    //
//                  //
///////////////////////////////////////////////


#include "TObject.h"
#include "TString.h"
#include "AliESDEvent.h"
#include "AliStack.h"
#include "TH1F.h"

class AliTOFcalibHisto;
class AliTOFT0v1;

class AliRsnTOFT0maker : public TObject {
public:

   enum ESettings {
      kNone,
      kPass2,
      kPass4,
      kLHC09d10
   };

   ESettings fSettings;
   TString Settings() {
      TString out;
      switch (fSettings) {
         case kPass2:    out = "pass 2"; break;
         case kPass4:    out = "pass 4"; break;
         case kLHC09d10: out = "LHC09d10"; break;
         default:        out = "none specific"; break;
      }
      return out;
   }


   AliRsnTOFT0maker() ;
   virtual ~AliRsnTOFT0maker() ; // dtor
   AliRsnTOFT0maker(const AliRsnTOFT0maker & t);
   AliRsnTOFT0maker & operator=(const AliRsnTOFT0maker & t);

   void SetESDdata(Bool_t val = kTRUE) {fESDswitch = val;};

   // return (fCalculated[0]=event time -- fCalculated[1]=sigma event time in ps -- fCalculated[2]=mean event time for each fill -- fCalculated[3]=number of tracks at the TOF level) 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() const {return fTimeResolution;}

   void LoadChannelMap(char *filename = "$ALICE_ROOT/TOF/enableMap.104892.root"); //load the enable channel map
   void ApplyMask(AliESDEvent *esd);

   void SetNoTOFT0(Bool_t status = kTRUE) {fNoTOFT0 = status;}; // disable the TOF T0 info
   void SetMaskOffChannel(Bool_t status = kTRUE) {fKmask = status;}; // swith for the map off channel

private:
   void TakeTimeRawCorrection(AliESDEvent * const esd);
   void RemakeTOFpid(AliESDEvent *esd, Float_t timezero);
   Double_t GetT0Fill(Int_t nrun) const ;

   AliTOFcalibHisto *fCalib; // TOF calibration object pointer

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

   Double_t fCalculated[4]; // contains the parameters with the event time
   Double_t fTimeResolution;  // global time resolution used to calculate T0

   Float_t fT0sigma; // T0 resolution

   TH1F *fHmapChannel; // histo with the channel map
   Bool_t fKmask;
   Bool_t fNoTOFT0;

   ClassDef(AliRsnTOFT0maker, 1); // Calculate the time zero using TOF detector */

};

#endif // ALITOFT0MAKERANA_H