#include "DataFormats/JetReco/interface/PFClusterJet.h"

reco::PFClusterJet::PFClusterJet() : reco::Jet() {}

reco::PFClusterJet::PFClusterJet(const LorentzVector& fP4, const Point& fVertex) : reco::Jet(fP4, fVertex) {}

reco::PFClusterJet::PFClusterJet(const LorentzVector& fP4, const Point& fVertex, const Jet::Constituents& fConstituents)
    : reco::Jet(fP4, fVertex, fConstituents) {}

reco::PFClusterJet* reco::PFClusterJet::clone() const { return new reco::PFClusterJet(*this); }

reco::PFClusterRef reco::PFClusterJet::pfCluster(size_t i) const {
  Constituent dau = daughterPtr(i);
  // check the daughter to be ok
  if (dau.isNonnull() && dau.isAvailable()) {
    // convert to concrete candidate type
    const RecoPFClusterRefCandidate* pfClusterCand = dynamic_cast<const RecoPFClusterRefCandidate*>(dau.get());
    // check the candidate is of the right type
    if (pfClusterCand) {
      return pfClusterCand->pfCluster();
    } else {
      throw cms::Exception("Invalid Constituent")
          << "PFClusterJet constituent is not of RecoPFClusterRefCandidate type";
    }
    // otherwise return empty ptr
  } else {
    return reco::PFClusterRef();
  }
}

bool reco::PFClusterJet::overlap(const Candidate& dummy) const { return false; }

std::string reco::PFClusterJet::print() const {
  std::ostringstream out;
  out << Jet::print() << std::endl;
  out << "    Constituents: " << std::endl;
  for (size_t i = 0; i < numberOfDaughters(); ++i) {
    out << *(pfCluster(i)) << std::endl;
  }
  return out.str();
}