#include <iostream>

/**\class PhotonDataCertification 
*/
//
// Original Author: Jason Slaunwhite
//
//         Created:  Thu Jan 22 13:42:28CET 2009
//

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

#include "CommonTools/UtilAlgos/interface/TFileService.h"
//
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Framework/interface/Run.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Utilities/interface/Exception.h"
#include "FWCore/ServiceRegistry/interface/Service.h"

//root include files
#include "TFile.h"
#include "TH1.h"
#include "TH2.h"
#include "TTree.h"
#include "TVector3.h"
#include "TProfile.h"
//

// user include files
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "DQMServices/Core/interface/DQMEDHarvester.h"

#include "FWCore/Framework/interface/Event.h"

#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

//DQM services
#include "DQMServices/Core/interface/DQMStore.h"
#include "FWCore/ServiceRegistry/interface/Service.h"

using namespace std;

//
// class decleration
//

class HLTMuonCertSummary : public DQMEDHarvester {
public:
  explicit HLTMuonCertSummary(const edm::ParameterSet& pset);
  ~HLTMuonCertSummary() override;

  void beginJob() override;
  void beginRun(const edm::Run&, const edm::EventSetup&) override;
  void dqmEndJob(DQMStore::IBooker&, DQMStore::IGetter&) override;

private:
  edm::ParameterSet parameters_;

  bool verbose_;

  // ----------member data ---------------------------
};

HLTMuonCertSummary::HLTMuonCertSummary(const edm::ParameterSet& pset)

{
  using namespace edm;

  parameters_ = pset;
  verbose_ = parameters_.getUntrackedParameter<bool>("verbose", false);

  if (verbose_)
    LogInfo("HLTMuonVal") << ">>> Constructor (HLTMuonCertSummary) <<<" << endl;
}

HLTMuonCertSummary::~HLTMuonCertSummary() = default;

//
// member functions
//

// ------------ method called once each job just before starting event loop  ------------
void HLTMuonCertSummary::beginJob() {}

// ------------ method called just before starting a new run  ------------
void HLTMuonCertSummary::beginRun(const edm::Run& run, const edm::EventSetup& c) {
  using namespace edm;
  if (verbose_)
    LogInfo("HLTMuonVal") << ">>> BeginRun (HLTMuonCertSummary) <<<" << std::endl;
  if (verbose_)
    LogInfo("HLTMuonVal") << ">>> " << run.id() << std::endl;
}

// ------------ method called right after a run ends ------------
void HLTMuonCertSummary::dqmEndJob(DQMStore::IBooker& iBooker, DQMStore::IGetter& iGetter) {
  using namespace edm;
  if (verbose_)
    LogInfo("HLTMuonVal") << ">>> EndRun (HLTMuonCertSummary) <<<" << std::endl;

  std::vector<string> histoNameVector;

  //booking histograms according to naming conventions

  iBooker.setCurrentFolder("HLT/EventInfo/muonQuality");

  MonitorElement* reportSummary = iBooker.bookFloat("HLT_MUON_REPORT_SUMMARY");

  int SummaryBitResult = 100;

  MonitorElement* CertificationSummary = iBooker.bookFloat("HLT_MUON_CERTIFICATION_SUMMARY");

  //for now these will hold values from eta/phi tests for spikes/holes
  MonitorElement* reportSummaryMap =
      iBooker.book2D("HLT_MUON_ReportSummaryMap", "HLT_MUON: ReportSummaryMap", 6, -0.5, 5.5, 1, -0.5, 0.5);
  MonitorElement* CertificationSummaryMap = iBooker.book2D(
      "HLT_MUON_CertificationSummaryMap", "HLT_MUON: CertificationSummaryMap", 6, -0.5, 5.5, 1, -0.5, 0.5);

  TH2* reportSummaryMapTH2 = reportSummaryMap->getTH2F();

  reportSummaryMapTH2->GetXaxis()->SetBinLabel(1, "PhiEtaOccAll");
  reportSummaryMapTH2->GetXaxis()->SetBinLabel(2, "PhiEtaOccMatch");
  reportSummaryMapTH2->GetXaxis()->SetBinLabel(3, "PhiEtaEff");
  reportSummaryMapTH2->GetXaxis()->SetBinLabel(4, "PhiEff");
  reportSummaryMapTH2->GetXaxis()->SetBinLabel(5, "EtaEff");
  reportSummaryMapTH2->GetXaxis()->SetBinLabel(6, "PtEff");

  reportSummaryMapTH2->GetYaxis()->SetBinLabel(1, "HLT_Mu5_allMuons");

  TH2* CertificationSummaryMapTH2 = CertificationSummaryMap->getTH2F();

  CertificationSummaryMapTH2->GetXaxis()->SetBinLabel(1, "PhiEtaOccAll");
  CertificationSummaryMapTH2->GetXaxis()->SetBinLabel(2, "PhiEtaOccMatch");
  CertificationSummaryMapTH2->GetXaxis()->SetBinLabel(3, "PhiEtaEff");
  CertificationSummaryMapTH2->GetXaxis()->SetBinLabel(4, "PhiEff");
  CertificationSummaryMapTH2->GetXaxis()->SetBinLabel(5, "EtaEff");
  CertificationSummaryMapTH2->GetXaxis()->SetBinLabel(6, "PtEff");

  CertificationSummaryMapTH2->GetYaxis()->SetBinLabel(1, "HLT_Mu5_allMuons");

  histoNameVector.emplace_back("HLT/Muon/Distributions/HLT_Mu5/allMuons/recPhiVsRecEta_All");
  histoNameVector.emplace_back("HLT/Muon/Distributions/HLT_Mu5/allMuons/recPhiVsRecEta_L3Filtered");
  histoNameVector.emplace_back("HLT/Muon/Distributions/HLT_Mu5/allMuons/recEffPhiVsEta_L3Filtered");
  histoNameVector.emplace_back("HLT/Muon/Distributions/HLT_Mu5/allMuons/recEffPt_L3Filtered");
  histoNameVector.emplace_back("HLT/Muon/Distributions/HLT_Mu5/allMuons/recEffPhi_L3Filtered");
  histoNameVector.emplace_back("HLT/Muon/Distributions/HLT_Mu5/allMuons/recEffEta_L3Filtered");

  // to do:  what do we want in certification contents?
  //  iBooker.setCurrentFolder("Egamma/EventInfo/CertificationContents/");

  //   //looping over histograms to be tested
  if (verbose_)
    LogInfo("HLTMuonVal") << "\n>>> looping over histograms to be tested <<<\n\n";

  for (auto& it : histoNameVector) {
    const string& HistoName = it;
    if (verbose_)
      LogInfo("HLTMuonVal") << ">>> " << HistoName;

    MonitorElement* TestHist = nullptr;

    TestHist = iGetter.get(HistoName);

    bool validMe = TestHist != nullptr;
    if (verbose_)
      LogInfo("HLTMuonVal") << " is valid? " << validMe << "\n";
    if (!validMe)
      continue;

    string histNameNoPath = TestHist->getName();

    if (verbose_)
      LogInfo("HLTMuonVal") << ">>> TestHist Name: " << histNameNoPath << "\n\n";

    //get QReports associated to each ME
    std::vector<QReport*> myQReports = TestHist->getQReports();
    if (verbose_)
      LogInfo("HLTMuonVal") << TestHist->getName() << ": myQReports.size() = " << myQReports.size() << "\n\n";
    for (uint i = 0; i != myQReports.size(); ++i) {
      std::string qtname = myQReports[i]->getQRName();  // get QT name
      float qtresult = myQReports[i]->getQTresult();    // get QT result value
      int qtstatus = myQReports[i]->getStatus();        // get QT status value

      if (verbose_)
        LogInfo("HLTMuonVal") << "\tTest " << i << ":  qtname: " << qtname << "\n";
      if (verbose_)
        LogInfo("HLTMuonVal") << "\tTest " << i << ":  qtresult: " << qtresult << std::endl;
      if (verbose_)
        LogInfo("HLTMuonVal") << "\tTest " << i << ":  qtstatus: " << qtstatus << "\n\n";

      //book and fill float for each test done
      iBooker.setCurrentFolder("HLT/EventInfo/muonQuality/");
      MonitorElement* qValueInt = iBooker.bookFloat(histNameNoPath + "_HLT_Mu5_" + qtname);
      qValueInt->Fill(qtstatus);

      // We're assuming that you want all of the bits to go into the decision

      if (HistoName.find("recPhiVsRecEta_All") != std::string::npos) {
        reportSummaryMapTH2->SetBinContent(reportSummaryMapTH2->GetBin(1, 1), qtstatus);
        CertificationSummaryMapTH2->SetBinContent(CertificationSummaryMapTH2->GetBin(1, 1), qtstatus);
        if ((qtstatus == 200) && (SummaryBitResult < 300))
          SummaryBitResult = 200;
        if (qtstatus == 300)
          SummaryBitResult = 300;
      }

      if (HistoName.find("recPhiVsRecEta_L3Filtered") != std::string::npos) {
        reportSummaryMapTH2->SetBinContent(reportSummaryMapTH2->GetBin(2, 1), qtstatus);
        CertificationSummaryMapTH2->SetBinContent(CertificationSummaryMapTH2->GetBin(2, 1), qtstatus);
        if ((qtstatus == 200) && (SummaryBitResult < 300))
          SummaryBitResult = 200;
        if (qtstatus == 300)
          SummaryBitResult = 300;
      }

      if (HistoName.find("recEffPhiVsEta_L3Filtered") != std::string::npos) {
        reportSummaryMapTH2->SetBinContent(reportSummaryMapTH2->GetBin(3, 1), qtstatus);
        CertificationSummaryMapTH2->SetBinContent(CertificationSummaryMapTH2->GetBin(3, 1), qtstatus);
        if ((qtstatus == 200) && (SummaryBitResult < 300))
          SummaryBitResult = 200;
        if (qtstatus == 300)
          SummaryBitResult = 300;
      }

      if (HistoName.find("recEffPhi_L3Filtered") != std::string::npos) {
        reportSummaryMapTH2->SetBinContent(reportSummaryMapTH2->GetBin(4, 1), qtstatus);
        CertificationSummaryMapTH2->SetBinContent(CertificationSummaryMapTH2->GetBin(4, 1), qtstatus);
      }

      if (HistoName.find("recEffEta_L3Filtered") != std::string::npos) {
        reportSummaryMapTH2->SetBinContent(reportSummaryMapTH2->GetBin(5, 1), qtstatus);
        CertificationSummaryMapTH2->SetBinContent(CertificationSummaryMapTH2->GetBin(5, 1), qtstatus);
      }

      if (HistoName.find("recEffPt_L3Filtered") != std::string::npos) {
        reportSummaryMapTH2->SetBinContent(reportSummaryMapTH2->GetBin(6, 1), qtstatus);
        CertificationSummaryMapTH2->SetBinContent(CertificationSummaryMapTH2->GetBin(6, 1), qtstatus);
      }
    }
  }

  reportSummary->Fill(SummaryBitResult);
  CertificationSummary->Fill(SummaryBitResult);

  // Set the final bits

  iBooker.setCurrentFolder("HLT/EventInfo/reportSummaryContents");
  MonitorElement* muonHLTQualityBinaryBit = iBooker.bookFloat("HLT_Muon");

  if (SummaryBitResult == 100) {
    muonHLTQualityBinaryBit->Fill(1);
  } else {
    muonHLTQualityBinaryBit->Fill(0);
  }
}

DEFINE_FWK_MODULE(HLTMuonCertSummary);