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/*
 *  See header file for a description of this class.
 *
 *  $Date: 2010/01/22 15:32:04 $
 *  $Revision: 1.8 $
 *  \author M. Pelliccioni - INFN Torino
 */


#include <DQM/DTMonitorClient/src/DTOfflineSummaryClients.h>

// Framework
#include <FWCore/Framework/interface/Event.h>
#include <FWCore/Framework/interface/EventSetup.h>
#include <FWCore/ParameterSet/interface/ParameterSet.h>
#include "FWCore/ServiceRegistry/interface/Service.h"

#include "DQMServices/Core/interface/DQMStore.h"
#include "DQMServices/Core/interface/MonitorElement.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

#include <string>
#include <cmath>

using namespace edm;
using namespace std;


DTOfflineSummaryClients::DTOfflineSummaryClients(const ParameterSet& ps) : nevents(0) {

  LogVerbatim("DTDQM|DTMonitorClient|DTOfflineSummaryClients") << "[DTOfflineSummaryClients]: Constructor";
  
  
  dbe = Service<DQMStore>().operator->();

}

DTOfflineSummaryClients::~DTOfflineSummaryClients(){
  LogVerbatim ("DTDQM|DTMonitorClient|DTOfflineSummaryClients") << "DTOfflineSummaryClients: analyzed " << nevents << " events";
  
}

void DTOfflineSummaryClients::beginRun(Run const& run, EventSetup const& eSetup) {

  LogVerbatim("DTDQM|DTMonitorClient|DTOfflineSummaryClients") <<"[DTOfflineSummaryClients]: BeginRun"; 

  // book the summary histos
  dbe->setCurrentFolder("DT/EventInfo"); 
  summaryReport = dbe->bookFloat("reportSummary");
  // Initialize to 1 so that no alarms are thrown at the beginning of the run
  summaryReport->Fill(1.);

  summaryReportMap = dbe->book2D("reportSummaryMap","DT Report Summary Map",12,1,13,5,-2,3);
  summaryReportMap->setAxisTitle("sector",1);
  summaryReportMap->setAxisTitle("wheel",2);

  dbe->setCurrentFolder("DT/EventInfo/reportSummaryContents");

  for(int wheel = -2; wheel != 3; ++wheel) {
    stringstream streams;
    streams << "DT_Wheel" << wheel;
    string meName = streams.str();    
    theSummaryContents.push_back(dbe->bookFloat(meName));
    // Initialize to 1 so that no alarms are thrown at the beginning of the run
    theSummaryContents[wheel+2]->Fill(1.);
  }




}


void DTOfflineSummaryClients::endJob(void){
  
  LogVerbatim ("DTDQM|DTMonitorClient|DTOfflineSummaryClients") <<"[DTOfflineSummaryClients]: endJob"; 

}


void DTOfflineSummaryClients::analyze(const Event& event, const EventSetup& context){

   nevents++;
   if(nevents%1000 == 0) {
     LogVerbatim("DTDQM|DTMonitorClient|DTOfflineSummaryClients") << "[DTOfflineSummaryClients] Analyze #Run: " << event.id().run()
                                         << " #Event: " << event.id().event()
                                         << " LS: " << event.luminosityBlock()  
                                         << endl;
   }
}


void DTOfflineSummaryClients::endLuminosityBlock(LuminosityBlock const& lumiSeg, EventSetup const& context) {

  LogVerbatim("DTDQM|DTMonitorClient|DTOfflineSummaryClients")
    << "[DTOfflineSummaryClients]: End of LS transition" << endl;

}


void DTOfflineSummaryClients::endRun(Run const& run, EventSetup const& context) {

  LogVerbatim ("DTDQM|DTMonitorClient|DTOfflineSummaryClients") <<"[DTOfflineSummaryClients]: endRun. Performin client operation"; 

  
  // reset the monitor elements
  summaryReportMap->Reset();
  summaryReport->Fill(0.);
  for(int ii = 0; ii != 5; ++ii) {
    theSummaryContents[ii]->Fill(0.);
  }

  // protection 
  bool efficiencyFound = true;

  // Fill the map using, at the moment, only the information from DT chamber efficiency
  // problems at a granularity smaller than the chamber are ignored
  for(int wheel=-2; wheel<=2; wheel++) { // loop over wheels
    // retrieve the chamber efficiency summary
    stringstream str;
    str << "DT/05-ChamberEff/EfficiencyMap_All_W" << wheel;
    MonitorElement * segmentWheelSummary =  dbe->get(str.str());
    if(segmentWheelSummary != 0) {

      float nFailingChambers = 0.;

      for(int sector=1; sector<=12; sector++) { // loop over sectors

        double meaneff = 0.;
        double errorsum = 0.;

        for(int station = 1; station != 5; ++station) { // loop over stations

          const double tmpefficiency = segmentWheelSummary->getBinContent(sector, station);
          const double tmpvariance = pow(segmentWheelSummary->getBinError(sector, station),2);

          if(tmpefficiency == 0 || tmpvariance == 0){
            nFailingChambers++;
            continue;
          }

          meaneff += tmpefficiency/tmpvariance;
          errorsum += 1./tmpvariance;

          if(tmpefficiency < 0.2) nFailingChambers++;

          LogTrace("DTDQM|DTMonitorClient|DTOfflineSummaryClients")
            << "Wheel: " << wheel << " Stat: " << station << " Sect: " << sector << " status: " << meaneff/errorsum << endl;
        }

        const double eff_result = meaneff/errorsum;

        if(eff_result > 0.7) summaryReportMap->Fill(sector,wheel,1.);
        else if(eff_result < 0.7 && eff_result > 0.5) summaryReportMap->Fill(sector,wheel,0.6);
        else if(eff_result < 0.5 && eff_result > 0.3) summaryReportMap->Fill(sector,wheel,0.4);
        else if(eff_result < 0.3 && eff_result > 0.) summaryReportMap->Fill(sector,wheel,0.15);

      }
      theSummaryContents[wheel+2]->Fill((48.-nFailingChambers)/48.);
      summaryReport->Fill(summaryReport->getFloatValue() + theSummaryContents[wheel+2]->getFloatValue()/5.);
    } else {
      efficiencyFound = false;
      LogWarning("DTDQM|DTMonitorClient|DTOfflineSummaryClients")
        << " [DTOfflineSummaryClients] Segment Summary not found with name: " << str.str() << endl;
    }
  }

}