/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/CaloOnlineTools/EcalTools/plugins/EcalTPGAnalyzer.cc

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// -*- C++ -*-
//
// Class:      EcalTPGAnalyzer
//
//
// Original Author:  Pascal Paganini
//
//


// system include files
#include <memory>
#include <utility>

// user include files
#include "FWCore/Framework/interface/EDAnalyzer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"

#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "DataFormats/EcalDigi/interface/EcalDigiCollections.h"
#include "DataFormats/EcalDigi/interface/EcalTriggerPrimitiveDigi.h"

#include "Geometry/CaloTopology/interface/EcalTrigTowerConstituentsMap.h"
#include "Geometry/CaloGeometry/interface/CaloGeometry.h"
#include "Geometry/CaloGeometry/interface/CaloSubdetectorGeometry.h"
#include "Geometry/CaloGeometry/interface/CaloCellGeometry.h"
#include "Geometry/Records/interface/CaloGeometryRecord.h"

#include "CondFormats/L1TObjects/interface/L1GtTriggerMenu.h"
#include "CondFormats/DataRecord/interface/L1GtTriggerMenuRcd.h"
#include "CondFormats/L1TObjects/interface/L1GtTriggerMask.h"
#include "CondFormats/DataRecord/interface/L1GtTriggerMaskAlgoTrigRcd.h"
#include "CondFormats/DataRecord/interface/L1GtTriggerMaskTechTrigRcd.h"
#include "DataFormats/L1GlobalTrigger/interface/L1GlobalTriggerReadoutSetupFwd.h"
#include "DataFormats/L1GlobalTrigger/interface/L1GlobalTriggerReadoutSetup.h"
#include "DataFormats/L1GlobalTrigger/interface/L1GlobalTriggerReadoutRecord.h"
#include "DataFormats/L1GlobalTrigger/interface/L1GlobalTriggerRecord.h"

#include "EcalTPGAnalyzer.h"

#include <TMath.h>
#include <sstream>

using namespace edm;
class CaloSubdetectorGeometry;

EcalTPGAnalyzer::EcalTPGAnalyzer(const edm::ParameterSet&  iConfig)
{
  tpCollection_ = iConfig.getParameter<edm::InputTag>("TPCollection") ;
  tpEmulatorCollection_ = iConfig.getParameter<edm::InputTag>("TPEmulatorCollection") ;
  digiCollectionEB_ = iConfig.getParameter<edm::InputTag>("DigiCollectionEB") ;
  digiCollectionEE_ = iConfig.getParameter<edm::InputTag>("DigiCollectionEE") ;
  gtRecordCollectionTag_ = iConfig.getParameter<std::string>("GTRecordCollection") ;

  allowTP_ = iConfig.getParameter<bool>("ReadTriggerPrimitives");
  useEE_ = iConfig.getParameter<bool>("UseEndCap");
  print_ = iConfig.getParameter<bool>("Print");

  // file
  file_ = new TFile("ECALTPGtree.root","RECREATE");
  file_->cd() ;

  // tree
  tree_ = new TTree( "EcalTPGAnalysis","EcalTPGAnalysis" );

  tree_->Branch("runNb",&treeVariables_.runNb,"runNb/i"); //
  tree_->Branch("evtNb",&treeVariables_.evtNb,"evtNb/i"); //
  tree_->Branch("bxNb",&treeVariables_.bxNb,"bxNb/i"); //
  tree_->Branch("orbitNb",&treeVariables_.orbitNb,"orbitNb/i"); //
  tree_->Branch("nbOfActiveTriggers",&treeVariables_.nbOfActiveTriggers,"nbOfActiveTriggers/i"); //
  tree_->Branch("activeTriggers",treeVariables_.activeTriggers,"activeTriggers[nbOfActiveTriggers]/I"); //

  tree_->Branch("nbOfTowers",&treeVariables_.nbOfTowers,"nbOfTowers/i"); //
  tree_->Branch("ieta", treeVariables_.ieta,"ieta[nbOfTowers]/I");//
  tree_->Branch("iphi", treeVariables_.iphi,"iphi[nbOfTowers]/I");//
  tree_->Branch("nbOfXtals", treeVariables_.nbOfXtals,"nbOfXtals[nbOfTowers]/I");//
  tree_->Branch("rawTPData", treeVariables_.rawTPData,"rawTPData[nbOfTowers]/I");//
  tree_->Branch("rawTPEmul1", treeVariables_.rawTPEmul1,"rawTPEmul1[nbOfTowers]/I");//
  tree_->Branch("rawTPEmul2", treeVariables_.rawTPEmul2,"rawTPEmul2[nbOfTowers]/I");//
  tree_->Branch("rawTPEmul3", treeVariables_.rawTPEmul3,"rawTPEmul3[nbOfTowers]/I");//
  tree_->Branch("rawTPEmul4", treeVariables_.rawTPEmul4,"rawTPEmul4[nbOfTowers]/I");//
  tree_->Branch("rawTPEmul5", treeVariables_.rawTPEmul5,"rawTPEmul5[nbOfTowers]/I");//
  tree_->Branch("eRec", treeVariables_.eRec,"eRec[nbOfTowers]/F");//
}


EcalTPGAnalyzer::~EcalTPGAnalyzer()
{
  file_->cd();
  tree_->Write();
  file_->Close();
}

void EcalTPGAnalyzer::beginRun(edm::Run const &, edm::EventSetup const & evtSetup)
{
  // geometry
  ESHandle<CaloGeometry> theGeometry;
  ESHandle<CaloSubdetectorGeometry> theEndcapGeometry_handle, theBarrelGeometry_handle;

  evtSetup.get<CaloGeometryRecord>().get( theGeometry );
  evtSetup.get<EcalEndcapGeometryRecord>().get("EcalEndcap",theEndcapGeometry_handle);
  evtSetup.get<EcalBarrelGeometryRecord>().get("EcalBarrel",theBarrelGeometry_handle);

  evtSetup.get<IdealGeometryRecord>().get(eTTmap_);
  theEndcapGeometry_ = &(*theEndcapGeometry_handle);
  theBarrelGeometry_ = &(*theBarrelGeometry_handle);
}


void EcalTPGAnalyzer::analyze(edm::Event const & iEvent, edm::EventSetup const & iSetup)
{


  using namespace edm;
  using namespace std;

  if (print_) std::cout<<"==========="<<iEvent.id()<<std::endl ;


  map<EcalTrigTowerDetId, towerEner> mapTower ;
  map<EcalTrigTowerDetId, towerEner>::iterator itTT ;



  // get Evts info

  treeVariables_.runNb = iEvent.id().run() ;
  treeVariables_.evtNb = iEvent.id().event() ;
  treeVariables_.bxNb = iEvent.bunchCrossing() ;
  treeVariables_.orbitNb = iEvent.orbitNumber() ;
  

  // get L1 info
  
  edm::Handle< L1GlobalTriggerReadoutRecord > gtRecord;
  iEvent.getByLabel( edm::InputTag(gtRecordCollectionTag_), gtRecord);
  DecisionWord dWord = gtRecord->decisionWord();   // this will get the decision word *before* masking disabled bits

  edm::ESHandle< L1GtTriggerMask > l1GtTmAlgo;
  iSetup.get< L1GtTriggerMaskAlgoTrigRcd >().get( l1GtTmAlgo );        
  std::vector<unsigned int> triggerMaskAlgoTrig = l1GtTmAlgo.product()->gtTriggerMask();

  // apply masks on algo    
  int iDaq = 0;
  int iBit = -1;
  treeVariables_.nbOfActiveTriggers = 0 ;
  for (std::vector<bool>::iterator itBit = dWord.begin(); itBit != dWord.end(); ++itBit) {        
    iBit++;
    int maskBit = triggerMaskAlgoTrig[iBit] & (1 << iDaq);
    if (maskBit) *itBit = false;
    if (*itBit) {
      treeVariables_.activeTriggers[treeVariables_.nbOfActiveTriggers] = iBit ;
      treeVariables_.nbOfActiveTriggers++ ;      
    }
  }





  // Get TP data  

  edm::Handle<EcalTrigPrimDigiCollection> tp;
  iEvent.getByLabel(tpCollection_,tp);
  if (print_) std::cout<<"TP collection size="<<tp.product()->size()<<std::endl ;

  for (unsigned int i=0;i<tp.product()->size();i++) {
    EcalTriggerPrimitiveDigi d = (*(tp.product()))[i];
    const EcalTrigTowerDetId TPtowid= d.id();
    towerEner tE ;
    tE.iphi_ = TPtowid.iphi() ;
    tE.ieta_ = TPtowid.ieta() ;
    tE.tpgADC_ = d[0].raw() ;
    mapTower[TPtowid] = tE ;
  }



  // Get Emulators TP

  edm::Handle<EcalTrigPrimDigiCollection> tpEmul ;
  iEvent.getByLabel(tpEmulatorCollection_, tpEmul);
  if (print_) std::cout<<"TPEmulator collection size="<<tpEmul.product()->size()<<std::endl ;

  for (unsigned int i=0;i<tpEmul.product()->size();i++) {
    EcalTriggerPrimitiveDigi d = (*(tpEmul.product()))[i];
    const EcalTrigTowerDetId TPtowid= d.id();
    itTT = mapTower.find(TPtowid) ;
    if (itTT != mapTower.end())
      for (int j=0 ; j<5 ; j++) (itTT->second).tpgEmul_[j] = d[j].raw() ;
  }



  // Get nb of crystals read out

  // Get EB xtal digi inputs
  edm::Handle<EBDigiCollection> digiEB;
  iEvent.getByLabel(digiCollectionEB_, digiEB);

  for (unsigned int i=0;i<digiEB.product()->size();i++) {
    const EBDataFrame & df = (*(digiEB.product()))[i];    
    const EBDetId & id = df.id();
    const EcalTrigTowerDetId towid = id.tower();
    itTT = mapTower.find(towid) ;
    if (itTT != mapTower.end()) (itTT->second).nbXtal_++ ;
  }

  if (useEE_) {
    // Get EE xtal digi inputs
    edm::Handle<EEDigiCollection> digiEE;
    iEvent.getByLabel(digiCollectionEE_, digiEE);
    for (unsigned int i=0;i<digiEE.product()->size();i++) {
      const EEDataFrame & df = (*(digiEE.product()))[i];
      const EEDetId & id = df.id();
      const EcalTrigTowerDetId towid = (*eTTmap_).towerOf(id);
      itTT = mapTower.find(towid) ;
      if (itTT != mapTower.end()) (itTT->second).nbXtal_++ ;
    }
  }

  // Get rechits

  //... to be completed





  // fill tree

  treeVariables_.nbOfTowers = mapTower.size() ;
  int towerNb = 0 ;
  for (itTT = mapTower.begin() ; itTT != mapTower.end() ; ++itTT) {
    treeVariables_.ieta[towerNb] = (itTT->second).ieta_ ;
    treeVariables_.iphi[towerNb] = (itTT->second).iphi_ ;
    treeVariables_.nbOfXtals[towerNb] = (itTT->second).nbXtal_ ;
    treeVariables_.rawTPData[towerNb] = (itTT->second).tpgADC_ ;
    treeVariables_.rawTPEmul1[towerNb] = (itTT->second).tpgEmul_[0] ;
    treeVariables_.rawTPEmul2[towerNb] = (itTT->second).tpgEmul_[1] ;
    treeVariables_.rawTPEmul3[towerNb] = (itTT->second).tpgEmul_[2] ;
    treeVariables_.rawTPEmul4[towerNb] = (itTT->second).tpgEmul_[3] ;
    treeVariables_.rawTPEmul5[towerNb] = (itTT->second).tpgEmul_[4] ;
    treeVariables_.eRec[towerNb] = (itTT->second).eRec_ ;
    towerNb++ ;
  }

  tree_->Fill() ;

}