#ifndef ALIANALYSISTASKTRIGGERSTUDY_H
#define ALIANALYSISTASKTRIGGERSTUDY_H

#include "AliAnalysisTaskSE.h"

//-------------------------------------------------------------------------
//                      AliAnalysisTaskTriggerStudy
// 
// 
//
//
// Author: Michele Floris, CERN
//-------------------------------------------------------------------------


class AliESDEvent;
class AliESDtrackCuts;
class AliHistoListWrapper;
class AliTriggerAnalysis;
class AliAnalysisTaskTriggerStudy : public AliAnalysisTaskSE {

  // offline trigger enum
  enum {kC0MBS1,kC0MBS2,kC0MBS3,kC0MBS4,kC0MBS5,kC0VBA,kC0VBC,kC0OM2,kCO0M3};
  // enum for triggers to be included in the venn-like histogram
  //  enum {kVDC0MBS1,kVDC0MBS2,kVDC0VBA,kVDC0VBC,kVDC0OM2,kNVDEntries};
  //  enum {kVDC0MBS1,kVDC0MBS2,kVDC0VBA,kVDC0VBC,kNVDEntries};
  enum {kVDV0AND,kVDV0OR,kVDNTRACKS,kNVDEntries};// Venn diagram for Federico, 7 teV
    
public:

  AliAnalysisTaskTriggerStudy();
  AliAnalysisTaskTriggerStudy(const char * name);
  AliAnalysisTaskTriggerStudy(const AliAnalysisTaskTriggerStudy& obj) ;
  ~AliAnalysisTaskTriggerStudy();

  void SetIsMC(Bool_t flag=kTRUE) { fIsMC = flag;}
  AliHistoListWrapper * GetHistoList() { return fHistoList;}


  TH1 * GetHistoTracklets   (const char * name, const char * title);
  TH1 * GetHistoPt(const char * name, const char * title);
  TH1 * GetHistoEta(const char * name, const char * title);
  TH1 * GetHistoV0M(const char * name, const char * title);
  TH1 * GetHistoSPD1(const char * name, const char * title);
  TH1 * GetHistoTracks(const char * name, const char * title);
  TH1 * GetHistoCorrelationSPDTPCVz(const char * name, const char * title);
  TH1 * GetHistoCorrelationContrTPCSPDCls  (const char * name, const char * title);
  TH1 * GetHistoCorrelationTrackletsSPDCls (const char * name, const char * title);
  void  FillTriggerOverlaps (const char * name, const char * title, Bool_t * vdArray) ;

  void SetNTrackletsCut(Int_t cut){ fNTrackletsCut = cut;}
  void SetNTrackletsCutKine(Int_t cut){ fNTrackletsCutKine = cut;}
  void SetRejectBGWithV0(Bool_t flag) { fRejectBGWithV0 = flag;}


  virtual void   UserCreateOutputObjects();
  virtual void   UserExec(Option_t *option);
  virtual void   Terminate(Option_t *);
  
  

private:

  //
  AliESDEvent *  fESD;    //! ESD object  AliVEvent*     fEvent;
  AliHistoListWrapper  * fHistoList; // wrapper for the list, takes care of merging + histo booking and getters  
  Bool_t fIsMC; // true if processing montecarlo

  AliTriggerAnalysis * fTriggerAnalysis; // trigger analysis object, to get the offline triggers
  TString fHistoSuffix; // suffix appended to all histos, set in the user exec.

  Int_t fNTrackletsCut; // max number of tracklets
  Int_t fNTrackletsCutKine; // max number of tracklets (only for kinematic distributions)

  Bool_t fRejectBGWithV0; // Reject the BG with the V0

  static const char * kVDNames[];       // names of the venn hist
  AliAnalysisTaskTriggerStudy& operator=(const AliAnalysisTaskTriggerStudy& task);
  
  ClassDef(AliAnalysisTaskTriggerStudy, 2)


};

#endif