/*
 * TofDedxVsBetaHistoAction.cpp
 *
 *  Created on: 25-giu-2009
 *      Author: Nicola Mori
 */

/*! @file TofDedxVsBetaHistoAction.cpp The TofDedxVsBetaHistoAction class implementation file. */

#include "TofDedxVsBetaHistoAction.h"

TofDedxVsBetaHistoAction::TofDedxVsBetaHistoAction(const char *actionName, TString outFileName, unsigned int layers,
    TString mode, bool standAlone, float minDedx, float maxDedx, unsigned int nBinsDedx, float minBeta, float maxBeta,
    unsigned int nBinsBeta) :
  CollectionAction(actionName), _outFileName(outFileName), _layers(layers), _nLayers(0), _badEvents(0), _histo(),
      _mode(mode), _standAlone(standAlone) {

  _histo.SetName(GetName());
  TString title = "TOF dE/dx (";
  if ((_layers & S11) == S11) {
    title += "S11";
    _nLayers++;
  }
  if ((_layers & S12) == S12) {
    if (_nLayers > 0)
      title += ",";
    title += "S12";
    _nLayers++;
  }
  if ((_layers & S21) == S21) {
    if (_nLayers > 0)
      title += ",";
    title += "S21";
    _nLayers++;
  }
  if ((_layers & S22) == S22) {
    if (_nLayers > 0)
      title += ",";
    title += "S22";
    _nLayers++;
  }
  if ((_layers & S31) == S31) {
    if (_nLayers > 0)
      title += ",";
    title += "S31";
    _nLayers++;
  }
  if ((_layers & S32) == S32) {
    if (_nLayers > 0)
      title += ",";
    title += "S32";
    _nLayers++;
  }
  title += ") Vs Beta";
  _histo.SetTitle(title);
  _histo.GetXaxis()->SetTitle("Beta");
  _histo.GetYaxis()->SetTitle("dE/dx (MIP)");

  _histo.SetBins(nBinsBeta, minBeta, maxBeta, nBinsDedx, minDedx, maxDedx);
}

void TofDedxVsBetaHistoAction::OnGood(PamLevel2 *event) {

  float dEdx = 0.;
  float dEdxLayer = 0.;
  unsigned int badLayers = 0;

  int trkSeqNo;
  if (_standAlone)
    trkSeqNo = 0;
  else
    trkSeqNo = event->GetTrack(0)->GetToFTrack()->trkseqno;

  if ((_layers & S11) == S11) {
    dEdxLayer = event->GetToFLevel2()->GetdEdx(trkSeqNo, 0, 100);
    if (dEdxLayer > 0. && dEdxLayer < 4090)
      dEdx += dEdxLayer;
    else
      badLayers++;
  }
  if ((_layers & S12) == S12) {
    dEdxLayer = event->GetToFLevel2()->GetdEdx(trkSeqNo, 1, 100);
    if (dEdxLayer > 0. && dEdxLayer < 4090)
      dEdx += dEdxLayer;
    else
      badLayers++;
  }
  if ((_layers & S21) == S21) {
    dEdxLayer = event->GetToFLevel2()->GetdEdx(trkSeqNo, 2, 100);
    if (dEdxLayer > 0. && dEdxLayer < 4090)
      dEdx += dEdxLayer;
    else
      badLayers++;
  }
  if ((_layers & S22) == S22) {
    dEdxLayer = event->GetToFLevel2()->GetdEdx(trkSeqNo, 3, 100);
    if (dEdxLayer > 0. && dEdxLayer < 4090)
      dEdx += dEdxLayer;
    else
      badLayers++;
  }
  if ((_layers & S31) == S31) {
    dEdxLayer = event->GetToFLevel2()->GetdEdx(trkSeqNo, 4, 100);
    if (dEdxLayer > 0. && dEdxLayer < 4090)
      dEdx += dEdxLayer;
    else
      badLayers++;
  }
  if ((_layers & S32) == S32) {
    dEdxLayer = event->GetToFLevel2()->GetdEdx(trkSeqNo, 5, 100);
    if (dEdxLayer > 0. && dEdxLayer < 4090)
      dEdx += dEdxLayer;
    else
      badLayers++;
  }
  if (badLayers == 0) {
    dEdx /= _nLayers - badLayers;
    _histo.Fill(event->GetTrack(0)->GetToFTrack()->beta[12], dEdx);
  }
  else
    _badEvents++;
}

void TofDedxVsBetaHistoAction::Finalize() {

  TFile outFile(_outFileName, _mode);
  outFile.cd();
  _histo.Write();
  outFile.Close();
}