/////////////////////////////////////////////////////////////////
//
// FOR THE DEMONSTRATION
// this class just collect all mc true hits as a track candidate
// Y.Fujii
//
/////////////////////////////////////////////////////////////////

#ifndef TMCTrackFinder_hxx_seen
#define TMCTrackFinder_hxx_seen

#include <vector>

#include <TObject.h>
#include <TVector3.h>
#include <TRandom.h>

#include <IAlgorithm.hxx>
#include <ICOMETLog.hxx>

#include <IVTrackFinder.hxx>

#include <IHandle.hxx>
#include <ICOMETEvent.hxx>
#include <IReconTrackCand.hxx>

class IMCTrackFinder : public IVTrackFinder {
public:
    IMCTrackFinder(const char*name, const char* title);
    virtual ~IMCTrackFinder();

    /// main task called in event-by-event
    void FindTrack(std::vector< COMET::IHandle<COMET::IReconTrackCand> > &track);

    /// This method is filled in derived classes
    COMET::IHandle<COMET::IAlgorithmResult> Process(const COMET::IAlgorithmResult& input);

    /// load the event
    int  Load(COMET::ICOMETEvent& anEvent);

    /// save the event
    int  Save(COMET::ICOMETEvent* anEvent);

    /// called at the begin of run or else (should not be in event-by-event)
    int  Init();

    /// called at the end of run or else (should not be in event-by-event)
    int  Finish();

    /// Make the hit selection which contains the hits with the closest point in each CDC cells
    COMET::IHitSelection* MakeMCHitSelection(COMET::IHandle<COMET::IHitSelection> & mchits);

    /// Make a track candidate
    COMET::IReconTrackCand* MakeATrackCandidateFromHits(const COMET::IHandle<COMET::IHitSelection>& hits);

private:
    std::string fName;

protected:
};
#endif