#ifndef PNDEVENTINFO_H
#define PNDEVENTINFO_H
//////////////////////////////////////////////////////////////////////////
//                                                                      //
// PndEventInfo								//
//                                                                      //
// Contains and provides access to summary information in the event	//
// useful for analysis							//
//									//
//////////////////////////////////////////////////////////////////////////

//----------------------
// Base Class Headers --
//----------------------
#include "TObject.h"
#include "TVector3.h"
#include "TLorentzVector.h"
#include "RhoMath/TPointErr.h"
#include "RhoTools/TEventShape.h"

class TEventShape;

//		---------------------
// 		-- Class Interface --
//		---------------------

class PndEventInfo : public TObject {
    
    //--------------------
    // Instance Members --
    //--------------------
public:
    
    // Constructors
    PndEventInfo();
    // there should eventually be a constructor that takes all the
    // various data items
    
    // Destructor
    virtual ~PndEventInfo( );
    
    // Operations
   virtual void PrintOn( std::ostream& o=std::cout ) const;

    // accessors to contained information
    const TLorentzVector& AntiProtonBeam() const   {return fAntiProtonBeam;}
    const TLorentzVector& CmFrame() const   {return fCmFrame;}
    const TPointErr& BeamSpot() const        {return fBeamSpot;}
    const TPointErr& PrimaryVertex() const { return fPrimaryVertex;}
	const TVector3& IPTruth() const {return fIPTruth;}
	const TEventShape& EventShape() const {return fEventShape;}
	
	int   GetCharged() {return fNCharged;}
	int   GetNeutrals() {return fNNeutrals;}
    
    // Function to set information
    void SetPrimaryVertex( TPointErr& inVtx) { fPrimaryVertex=inVtx;}
    void SetIPTruth( TVector3& inVtx) {fIPTruth=inVtx;}
    void SetBeamSpot( TPointErr& inVtx) { fBeamSpot=inVtx;}
    void SetCmFrame( TLorentzVector& cmf);
	void SetAntiProtonBeam( TLorentzVector &beam);
    
    void SetEventShape(TEventShape &eventShape) {fEventShape=eventShape;}
	
	void SetCharged(int n) {fNCharged=n;}
	void SetNeutrals(int n) {fNNeutrals=n;}
	    
private:
    TLorentzVector  fAntiProtonBeam; // The antiproton beam
    TLorentzVector  fCmFrame; 		 // The CMS frame
    TPointErr 		fBeamSpot;       //! The beam spot w/ error matrix
    TPointErr 		fPrimaryVertex;  //! The primary vertex
	TVector3		fIPTruth;		 // the MC truth IP
	Int_t			fNCharged;
	Int_t			fNNeutrals;
	TEventShape		fEventShape;
    
public:
    ClassDef(PndEventInfo,1) // Summary information in the event
};

// standalone print
std::ostream&  operator << (std::ostream& o, const PndEventInfo&);

#endif