/**
 * @file
 * @author Christian Simon <csimon@physi.uni-heidelberg.de>
 * @since 2018-05-08
 */

#include "CbmTofPointCluster.h"

#include "TMath.h"


// ---------------------------------------------------------------------------
CbmTofPointCluster::CbmTofPointCluster() :
  fbCharged(kTRUE),
  fbDirect(kFALSE),
  fiNPoints(0),
  fdEarliestPointTime(0.),
  fEarliestPoint(-1, -1, -1),
  fDirectPoint(-1, -1, -1)
{
}
// ---------------------------------------------------------------------------



// ---------------------------------------------------------------------------
const std::tuple<Int_t, Int_t, Int_t>& CbmTofPointCluster::GetReferencePoint() const
{
  if(fbCharged)
  {
    // The charged external track which entered the counter box did not create
    // an MC point in the active counter volume itself but can be detected only
    // via MC points created by internal tracks descending from the external one.
    if(!fbDirect)
    {
      return fEarliestPoint;
    }
    else
    {
      return fDirectPoint;
    }
  }
  else
  {
    return fEarliestPoint;
  }
}
// ---------------------------------------------------------------------------



// ---------------------------------------------------------------------------
void CbmTofPointCluster::AddPoint(Int_t iFile, Int_t iEvent, Int_t iIndex, Double_t dTime, Bool_t bDirect)
{
  if(0. == fdEarliestPointTime || dTime < fdEarliestPointTime)
  {
    fdEarliestPointTime = dTime;
    std::get<0>(fEarliestPoint) = iFile;
    std::get<1>(fEarliestPoint) = iEvent;
    std::get<2>(fEarliestPoint) = iIndex;    
  }

  if(bDirect)
  {
    std::get<0>(fDirectPoint) = iFile;
    std::get<1>(fDirectPoint) = iEvent;
    std::get<2>(fDirectPoint) = iIndex;

    fbDirect = bDirect;
  }
  
  fiNPoints++;  
}
// ---------------------------------------------------------------------------


ClassImp(CbmTofPointCluster)