#ifndef ALIHFENONPHOTONICELECTRON_H
#define ALIHFENONPHOTONICELECTRON_H

 /************************************************************************************
  *											*
  *	Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved.	*
  *	See cxx source for full Copyright notice					*
  *											*
  *											*
  *											*
  *	Task for the Selection of Non-photonic Electron study				*
  *											*
  *			Author: R.Bailhache, C.A.Schmidt				*
  *											*
  ************************************************************************************/

#ifndef ROOT_TNamed
#include <TNamed.h>
#endif

class AliESDtrackCuts;
class AliHFEpid;
class AliHFEpidQAmanager;
class AliMCEvent;
class AliVEvent;
class AliVParticle;
class THnSparse;
class TClonesArray;
class TList;

class AliHFENonPhotonicElectron : public TNamed {
 public:

  typedef enum{
    kElectronfromconversion = 0,
    kElectronfromconversionboth = 1,
    kElectronfrompi0 = 2,
    kElectronfrompi0both = 3,
    kElectronfrometa = 4,
    kElectronfrometaboth = 5,
    kElectronfromC = 6,
    kElectronfromB = 7,
    kElectronfromother = 8,
    kNoElectron = 9
  } Source_t;

  typedef enum{
    kS = 0,
    kOp = 1
  } Sign_t;

  AliHFENonPhotonicElectron();
  AliHFENonPhotonicElectron(const char *name, const Char_t *title);
  AliHFENonPhotonicElectron &operator=(const AliHFENonPhotonicElectron &ref);
  virtual ~AliHFENonPhotonicElectron();

  void SetMCEvent		(AliMCEvent *mcEvent)		{fMCEvent = mcEvent; };
  void SetAODArrayMCInfo	(TClonesArray *aodArrayMCInfo) {fAODArrayMCInfo = aodArrayMCInfo; };

  void SetUseFilterAOD(Bool_t useFilterAOD) { fUseFilterAOD = useFilterAOD; };
  void SetFilter(UInt_t filter)             { fFilter = filter; };

  void			 SetHFEBackgroundCuts(AliESDtrackCuts * const cuts) { fHFEBackgroundCuts = cuts; };
  AliHFEpid		*GetPIDBackground() const { return fPIDBackground; };
  AliHFEpidQAmanager	*GetPIDBackgroundQAManager() const { return fPIDBackgroundQA; };

  void  SetMaxInvMass		(Double_t MaxInvMass)		{ fMaxInvMass		= MaxInvMass; };
  void  SetMaxOpening3D		(Double_t MaxOpening3D)		{ fMaxOpening3D		= MaxOpening3D; };
  void  SetMaxOpeningTheta	(Double_t MaxOpeningTheta)	{ fMaxOpeningTheta	= MaxOpeningTheta; };
  void  SetMaxOpeningPhi	(Double_t MaxOpeningPhi)	{ fMaxOpeningPhi	= MaxOpeningPhi; };
  void  SetAlgorithmMA		(Bool_t algorithmMA)	 	{ fAlgorithmMA		= algorithmMA; };
  void  SetMassConstraint	(Bool_t MassConstraint)		{ fSetMassConstraint	= MassConstraint; };

  TList      *GetListOutput()       const { return fListOutput; };
  THnSparseF *GetMCSourceeeHisto() const { return fMCSourceee; };
  THnSparseF *GetUSigneeHisto()    const { return fUSignee; };
  THnSparseF *GetLSigneeHisto()    const { return fLSignee; };
  THnSparseF *GetUSignAngleHisto() const { return fUSignAngle; };
  THnSparseF *GetLSignAngleHisto() const { return fLSignAngle; };

  void     Init				();
  void     InitRun			(const AliVEvent *inputEvent,const AliPIDResponse *pidResponse);
  Int_t    FillPoolAssociatedTracks	(AliVEvent *inputEvent,Int_t binct=-1);
  Int_t    LookAtNonHFE			(Int_t iTrack1, AliVTrack *track1, AliVEvent *vEvent ,Double_t weight=1.,Int_t binct=-1,Double_t deltaphi=-1,Int_t source=-1,Int_t indexmother=-1);

  Int_t    FindMother		(Int_t tr, Int_t &indexmother);
  Int_t    CheckPdg		(Int_t tr);
  Int_t    IsMotherGamma	(Int_t tr);
  Int_t    IsMotherPi0		(Int_t tr);
  Int_t    IsMotherC		(Int_t tr);
  Int_t    IsMotherB		(Int_t tr);
  Int_t    IsMotherEta		(Int_t tr);


 private:
  AliMCEvent		*fMCEvent;			//! MC event esd
  TClonesArray		*fAODArrayMCInfo;		//! MC info particle AOD
  AliESDtrackCuts	*fHFEBackgroundCuts;		// HFE background cuts
  AliHFEpid		*fPIDBackground;		// PID background cuts
  AliHFEpidQAmanager	*fPIDBackgroundQA;		// QA Manager Background
  Bool_t		 fAlgorithmMA;			// algorithm MA
  Bool_t		 fUseFilterAOD;			// Use the preselected AOD track
  UInt_t		 fFilter;			// filter AOD status
  Double_t		 fChi2OverNDFCut;		// Limit chi2
  Double_t		 fMaxDCA;			// Limit dca
  Double_t		 fMaxOpeningTheta;		// Limit opening angle in theta
  Double_t		 fMaxOpeningPhi;		// Limit opening angle in phi
  Double_t		 fMaxOpening3D;			// Limit opening 3D
  Double_t		 fMaxInvMass;			// Limit invariant mass
  Bool_t		 fSetMassConstraint;		// Set mass constraint
  TArrayI		*fArraytrack;			//! list of tracks
  Int_t			 fCounterPoolBackground;	// number of tracks
  TList			*fListOutput;			// List of histos
  THnSparseF		*fMCSourceee;			//! centrality, pt, Source MC
  THnSparseF		*fUSignee;			//! delta phi, c, pt, inv, source
  THnSparseF		*fLSignee;			//! delta phi, c, pt, inv, source
  THnSparseF		*fUSignAngle;			//! angle, c, source
  THnSparseF		*fLSignAngle;			//! angle, c, source


  AliHFENonPhotonicElectron(const AliHFENonPhotonicElectron&); // not implemented

  ClassDef(AliHFENonPhotonicElectron, 1); //!example of analysis
};

#endif