#ifndef ALIAODPIDHF_H
#define ALIAODPIDHF_H

/* Copyright(c) 1998-2006, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */ 

//***********************************************************
//// Class AliAODPidHF
//// class for PID with AliAODRecoDecayHF 
//// Authors: D. Caffarri caffarri@pd.infn.it, A.Dainese andrea.dainese@pd.infn.it, S. Dash dash@to.infn.it, F. Prino prino@to.infn.it, R. Romita r.romita@gsi.de, Y. Wang yifei@pi0.physi.uni-heidelberg.de
////***********************************************************

#include <TString.h>
#include <TH1F.h>
#include "AliAODPid.h"
#include "AliAODTrack.h"
#include "AliPIDResponse.h"
#include "AliPIDCombined.h"
#include "AliPID.h"

class AliAODPidHF : public AliAODPid{

 public:

 enum ECombDetectors {
  kTPC,
  kTOF,
  kTPCTOF,
  kTPCITS
 };

 AliAODPidHF();
 AliAODPidHF(const AliAODPidHF& pid);
 AliAODPidHF& operator=(const AliAODPidHF& pid);
 virtual ~AliAODPidHF();

 //Setters
 void SetSigma(Double_t *sigma){
    for(Int_t i=0; i<fnNSigma; i++) fnSigma[i]=sigma[i];
     }
 void SetSigma(Int_t idet,Double_t sigma){fnSigma[idet]=sigma;return;}
 void SetSigmaForTPC(Double_t *sigma){for(Int_t i=0;i<3;i++) fnSigma[i]=sigma[i];return;}
 void SetSigmaForTPCCompat(Double_t sigma){fnSigmaCompat[0]=sigma;return;}
 void SetSigmaForTOFCompat(Double_t sigma){fnSigmaCompat[1]=sigma;return;}
 void SetSigmaForTOF(Double_t sigma){fnSigma[3]=sigma;return;}
 void SetSigmaForITS(Double_t sigma){fnSigma[4]=sigma;return;}
 void SetTofSigma(Double_t sigma){fTOFSigma=sigma;return;}
 void SetPriors(Double_t *priors){fPriors=priors;return;}
 void SetPLimit(Double_t *plim){for(Int_t i=0;i<fnPLimit;i++) fPLimit[i]=plim[i];return;}
 void SetPLimit(Double_t *plim,Int_t npLim){fnPLimit=npLim;for(Int_t i=0;i<fnPLimit;i++) fPLimit[i]=plim[i];return;}
 void SetAsym(Bool_t asym){fAsym=asym;return;}
 void SetTPC(Bool_t tpc){fTPC=tpc;return;}
 void SetTOF(Bool_t tof){fTOF=tof;return;}
 void SetITS(Bool_t its){fITS=its;return;}
 void SetTRD(Bool_t trd){fTRD=trd;return;}
 void SetMatch(Int_t match){fMatch=match;return;}
 void SetCompat(Bool_t comp){fCompat=comp;return;}
 void SetMC(Bool_t mc){fMC=mc;return;}
 void SetMClowenpp2011(Bool_t mc){fMCLowEn2011=mc;return;}
 void SetOnePad(Bool_t onepad){fOnePad=onepad;return;}
 void SetppLowEn2011(Bool_t opt){fppLowEn2011=opt;return;}
 void SetPbPb(Bool_t pbpb){fPbPb=pbpb;return;}
 void SetPCompatTOF(Double_t pTOF){fPCompatTOF=pTOF;return;}
 void SetTOFdecide(Bool_t tOFdecide){fTOFdecide=tOFdecide;return;}
 void SetOldPid(Bool_t oldPid){fOldPid=oldPid;return;}
 void SetPtThresholdTPC(Double_t ptThresholdTPC){fPtThresholdTPC=ptThresholdTPC;return;}
 void SetMaxTrackMomForCombinedPID(Double_t mom){fMaxTrackMomForCombinedPID=mom;}
 void SetPidResponse(AliPIDResponse *pidResp) {fPidResponse=pidResp;return;}
 void SetCombDetectors(ECombDetectors pidComb) {
   fCombDetectors=pidComb;
  }
 void SetPionPriorHisto(TH1F* histo){
   if(fPriorsH[AliPID::kPion]) delete fPriorsH[AliPID::kPion];
   fPriorsH[AliPID::kPion] = new TH1F(*histo);
 }
 void SetKaonPriorHisto(TH1F* histo){
   if(fPriorsH[AliPID::kKaon]) delete fPriorsH[AliPID::kKaon];
   fPriorsH[AliPID::kKaon] = new TH1F(*histo);
 }
 void SetProtonPriorHisto(TH1F* histo){
   if(fPriorsH[AliPID::kProton]) delete fPriorsH[AliPID::kProton];
   fPriorsH[AliPID::kProton] = new TH1F(*histo);
 }

 
 //Getters
 
 Int_t GetnSigmaTPC(AliAODTrack *track, Int_t species, Double_t &sigma) const;
 Int_t GetnSigmaTOF(AliAODTrack *track, Int_t species, Double_t &sigma) const;
 Double_t GetSigma(Int_t idet) const{return fnSigma[idet];}
 Double_t GetTofSigma() const{return fTOFSigma;}
 //void GetPriors(Double_t *priors) const{priors=fPriors;return;}
 //void GetPLimit(Double_t *plim) const{plim=fPLimit;}
 void GetPriors(Double_t *priors) const{for(Int_t i=0;i<fnPriors;i++){priors[i]=fPriors[i];}return;}
 void GetPLimit(Double_t *plim) const{for(Int_t i=0;i<fnPLimit;i++){plim[i]=fPLimit[i];}return;}
 Bool_t GetAsym() const{return fAsym;}
 Bool_t GetTPC() const{return fTPC;}
 Bool_t GetTOF() const{return fTOF;}
 Bool_t GetITS() const{return fITS;}
 Bool_t GetTRD() const{return fTRD;}
 Int_t GetMatch() const{return fMatch;}
 Bool_t GetCompat() const{return fCompat;}
 Bool_t GetMC() const{return fMC;}
 Bool_t GetOnePad() const{return fOnePad;}
 Bool_t GetppLowEn2011() const {return fppLowEn2011;}
 Bool_t GetMCLowEn2011() const {return fMCLowEn2011;}
 Bool_t GetPbPb() const{return fPbPb;}
 Bool_t GetTOFdecide() const{return fTOFdecide;}
 Double_t GetPCompatTOF() const{return fPCompatTOF;}
 Double_t GetnSigmaCompatTPC() const{return fnSigmaCompat[0];}
 Double_t GetnSigmaCompatTOF() const{return fnSigmaCompat[1];}
 Bool_t GetOldPid(){return fOldPid;}
 Double_t GetPtThresholdTPC(){return fPtThresholdTPC;}
 Double_t GetMaxTrackMomForCombinedPID(){return fMaxTrackMomForCombinedPID;}
 AliPIDResponse *GetPidResponse() const {return fPidResponse;}
 AliPIDCombined *GetPidCombined() const {return fPidCombined;}
 ECombDetectors GetCombDetectors() const {
   return fCombDetectors;
  }
 Bool_t GetUseCombined() {return fUseCombined;}

 Int_t RawSignalPID (AliAODTrack *track, TString detector) const;
 Bool_t IsKaonRaw (AliAODTrack *track, TString detector) const;
 Bool_t IsPionRaw (AliAODTrack *track, TString detector) const;
 Bool_t IsProtonRaw (AliAODTrack *track, TString detector) const;
 Bool_t IsElectronRaw (AliAODTrack *track, TString detector) const;
 void CombinedProbability(AliAODTrack *track,Bool_t *type) const; //0 = pion, 1 = kaon, 2 = proton
 Bool_t CheckStatus(AliAODTrack *track,TString detectors) const;

 Bool_t CheckITSPIDStatus(AliAODTrack *track) const;
 Bool_t CheckTPCPIDStatus(AliAODTrack *track) const;
 Bool_t CheckTOFPIDStatus(AliAODTrack *track) const;
 Bool_t CheckTRDPIDStatus(AliAODTrack *track) const;

 Bool_t TPCRawAsym(AliAODTrack* track,Int_t specie) const;
 Int_t MatchTPCTOF(AliAODTrack *track,Int_t specie);

 Int_t MakeRawPid(AliAODTrack *track,Int_t specie); //general method to perform PID using raw signals

 Bool_t IsTOFPiKexcluded(AliAODTrack *track,Double_t nsigmaK);

 Bool_t IsExcluded(AliAODTrack *track, Int_t labelTrack, Double_t nsigmaCut, TString detector);

 void GetTPCBetheBlochParams(Double_t alephParameters[5]) const;
 void SetBetheBloch();
  // method for AliPIDCombined object
 void SetSelectedSpecies(Int_t ispecies = AliPID::kSPECIES){GetPidCombined()->SetSelectedSpecies(ispecies);};
 void SetPriorDistribution(AliPID::EParticleType type,TH1F *prior);
 void DrawPrior(AliPID::EParticleType type);
 void SetPriorsHistos(TString priorFileName);
 void SetUpCombinedPID();
 void SetUseCombined(Bool_t useCombined=kTRUE) {fUseCombined=useCombined;}

 Int_t ApplyPidTPCRaw(AliAODTrack *track,Int_t specie) const;
 Int_t ApplyPidTOFRaw(AliAODTrack *track,Int_t specie) const;
 Int_t ApplyPidITSRaw(AliAODTrack *track,Int_t specie) const;

 protected:


 private:
 Int_t fnNSigma; // number of sigmas
 Double_t *fnSigma; // [fnNSigma], sigma for the raw signal PID: 0-2 for TPC, 3 for TOF, 4 for ITS
 Double_t fTOFSigma; // TOF precision 
 Int_t fnPriors; //number of priors
 Double_t *fPriors; // [fnPriors], set of priors
 Int_t fnPLimit; //number of Plimit
 Double_t *fPLimit; // [fnPLimit], limit of p intervals for asimmetric PID: fPLimit<p[0], fPLimit[0]<p<fPLimit[1], p>fPLimit[1]
 Bool_t fAsym; // asimmetric PID required
 Bool_t fTPC; //switch to include or exclude TPC 
 Bool_t fTOF; // switch to include or exclude TOF
 Bool_t fITS; //switch to include or exclude ITS
 Bool_t fTRD; // switch to include or exclude TRD
 Int_t fMatch; //switch to combine the info from more detectors: 1 = || , 2 = &, 3 = p region
 Bool_t fCompat; // compatibility region : useful only if fMatch=1
 Double_t fPCompatTOF; //  compatibility p limit for TOF  
 Int_t fnNSigmaCompat; // number of sigmas
 Double_t *fnSigmaCompat; //[fnNSigmaCompat]  0: n sigma for TPC compatibility band, 1: for TOF  
 Bool_t fMC; // MC(kTRUE) or real data (kFALSE, default option)
 Bool_t fOnePad; //  real data with one pad clusters 
 Bool_t fMCLowEn2011; //  MC for low energy MC
 Bool_t fppLowEn2011; //  Data for low energy pp 2011
 Bool_t fPbPb; //  real data PbPb 
 Bool_t fTOFdecide; //  real data PbPb 
 Bool_t fOldPid; //  old PID method implemented
 Double_t fPtThresholdTPC; //  pT threshold to use TPC PID
 Double_t fMaxTrackMomForCombinedPID; // momentum threshold to use PID
 AliPIDResponse *fPidResponse; //! pid response
 AliPIDCombined* fPidCombined; //! combined PID object 

 AliTPCPIDResponse* fTPCResponse; //! TPC response 

 TH1F* fPriorsH[AliPID::kSPECIES]; // priors histos
 ECombDetectors fCombDetectors; // detectors to be involved for combined PID
 Bool_t fUseCombined; // detectors to be involved for combined PID

 ClassDef(AliAODPidHF,19) // AliAODPid for heavy flavor PID

};

#endif