/*
 * TrkChi2DeflTimeCut.cpp
 *
 *  Created on: 6-oct-2009
 *      Author: S. Ricciarini
 */

#include "TrkChi2DeflTimeCut.h"

int TrkChi2DeflTimeCut::Check(PamLevel2 *event) {

  Double_t chi2 = event->GetTrack(0)->GetTrkTrack()->chi2;
  if (chi2 < 0.)
    return 0;
  Double_t eta2 = event->GetTrack(0)->GetTrkTrack()->GetDeflection(); //Sign doesn't matter
  eta2 *= eta2;  // Now eta2 is deflection^2

#ifdef DEBUGPAMCUT

  h_trk_chi2_defl[0]->Fill(event->GetTrack(0)->GetTrkTrack()->GetDeflection(), pow(chi2,0.25));

#endif

  _time.Set(event->GetOrbitalInfo()->absTime, kFALSE, 0, kFALSE);
  // TTimestamp::GetDate() returns date in format YYYYMMDD so to compare it
  // with 4-digits dates (YYMM) we must subtract 20000000 and then divide by 100 (divide by integer)

  Int_t iMonthSel = (_time.GetDate(kFALSE) - 20000000)/100; // note: GetDate returns an unsigned integer
    
  for (UInt_t i=0; i<_iMonth.size(); i++) {
    if (_iMonth[i]==iMonthSel) {
      _p0sel=_p0[i];
      _p1sel=_p1[i];
      _p2sel=_p2[i];
//      cout << "FOUND: month " << iMonthSel << endl;
//      cout << _p0sel << " " << _p1sel << " " << _p2sel << endl;
      break;
    }
  }
  
  if (chi2 > _p0sel + _p1sel * eta2 + _p2sel * eta2 * eta2) {
    return 0;
  }

#ifdef DEBUGPAMCUT

  h_trk_chi2_defl[1]->Fill(event->GetTrack(0)->GetTrkTrack()->GetDeflection(), pow(chi2,0.25));

#endif

  return CUTOK;

}