#ifndef StHiCorrEta_H
#define StHiCorrEta_H

#include "TObject.h"
#include "TObjArray.h"
#include "TH1.h"
#include "TH2.h"
#include "TH3.h"

class StHiCorrEta : public TObject {

 public:
  StHiCorrEta();
  virtual ~StHiCorrEta();
  
  void initHistos();
  float dPhi(float phi1, float phi2);
  void histofill(Int_t maxevents=10000000, Int_t cent=7, Float_t etacut=1,Int_t mId=0);

  void SetInputFileList(TObjArray* list) {mInputFileList=list;}

 private:
  static const int mNTrigBin;
  static const float mMinPtTrig;
  static const float mMaxPtTrig;
  static const int mNdPhiBin;
  static const float mMindPhi;
  static const float mMaxdPhi;
  static const int mNdEtaBin;
  static const float mMindEta;
  static const float mMaxdEta;

  static const float minEtaFtpc;
  static const float maxEtaFtpc;

  static const int mNVtxZBin;  // Vtx-z binning for mixed events
  static const float mMinVtxZ;
  static const float mMaxVtxZ;
  //static const int mNCentBins=7;

  enum { mNAssocThres = 4 };
  static const double mPtAssocThres[mNAssocThres+1];

  TObjArray* mInputFileList;

  //TProfile* cosPsiSub;
  //TH1D* resolution;
  //TH1D* psiSub;

  TH1D* mult;
  TH1D* dca;
  TH1D* nhits;
  TH1D* tphi;
  TH1D* eta;
  TH1D* etaAss;
  TH1D* ntrig_evt_h;
  TH1D* hVertZ;
  TH1D* hCentrality;

  TH1D* fphi;
  TH1D* feta;
  TH1D* fpt;
  TH1D* fdca;
  TH1D* fnhits;

  TH1D* fphie;
  TH1D* fpte;
  TH1D* fdcae;
  TH1D* fnhitse;

  TH2D* fetapt;
  TH2D* fetadca;
  TH2D* fetanhits;

  TH1D* afphi;
  TH1D* afeta;
  TH1D* afpt;
  TH1D* afdca;
  TH1D* afnhits;

  TH1D* afphie;
  TH1D* afpte;
  TH1D* afdcae;
  TH1D* afnhitse;

  TH2D* afetapt;
  TH2D* afetadca;
  TH2D* afetanhits;

  TH1D* mYieldPt;
  //TH1D* mFlowPt;
  //TH2D* mPairYield2D;

  TH3D* mEtaPhiPtTrig;
  TH3D* mEtadPhiPtTrig;

  TH3D* mPtTrigdEtadPhi[mNAssocThres];
  //TH3D* mPtTrigdEtadPhiCent[mNCentBins][mNAssocThres];

  TH1D *mNTrigPtTrig;
 
  TH3D* mPtTrigdEtadPhiMix[mNAssocThres];
  //TH3D* mPtTrigdEtadPhiMixCent[mNCentBins][mNAssocThres];
 
  TH2D* mAssocEffPtTrigPtAssoc;
 
  TH3D* mPtTrigPtAssocdPhiEventTrig;
  TH3D* mPtTrigPtAssocdPhiEventAssoc;
 
  ClassDef(StHiCorrEta,1)
};

#endif