#include <string>
#include <iostream>
#include <iomanip>

#include "TROOT.h"
#include "TFile.h"
#include "TH1D.h"
#include "TH2D.h"

#include "JTools/JRange.hh"

#include "JDAQ/JDAQEventIO.hh"
#include "JDetector/JDetector.hh"
#include "JDetector/JDetectorToolkit.hh"
#include "JDetector/JDAQHitRouter.hh"
#include "JDetector/JStringRouter.hh"

#include "JSupport/JMultipleFileScanner.hh"
#include "JSupport/JSupport.hh"

#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"


/**
 * \file
 *
 * Example program to histogram string and floor hits.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;
  using namespace KM3NETDAQ;

  JMultipleFileScanner<JDAQEvent> inputFile;
  JLimit_t&      numberOfEvents = inputFile.getLimit();
  string         outputFile;
  string         detectorFile;
  int            debug;

  try { 

    JParser<> zap("Example program to histogram string and floor hits.");
    
    zap['f'] = make_field(inputFile);
    zap['o'] = make_field(outputFile)          = "router.root";
    zap['a'] = make_field(detectorFile);
    zap['n'] = make_field(numberOfEvents)      = JLimit::max();
    zap['d'] = make_field(debug)               = 2;
    
    zap(argc, argv);
  }
  catch(const exception& error) {
    FATAL(error.what() << endl);
  }




  cout.tie(&cerr);


  JDetector detector;

  try {
    load(detectorFile, detector);
  }
  catch(const JException& error) {
    FATAL(error);
  }

  const JDAQHitRouter router(detector);
  const JStringRouter string(detector);


  TFile out(outputFile.c_str(), "recreate");

  TH1D h1("h1", NULL, 100, 0.0, 1.0e1);
  TH2D h2("h2", NULL, 
          getNumberOfStrings(detector), -0.5, getNumberOfStrings(detector) - 0.5,
          getNumberOfFloors (detector), +0.5, getNumberOfFloors (detector) + 0.5);
  
  for (Int_t i = 1; i <= h2.GetXaxis()->GetNbins(); ++i) {
    h2.GetXaxis()->SetBinLabel(i, MAKE_CSTRING(string.at(i-1)));
  }
  for (Int_t i = 1; i <= h2.GetYaxis()->GetNbins(); ++i) {
    h2.GetYaxis()->SetBinLabel(i, MAKE_CSTRING(i));
  }

  TH2D* h3 = (TH2D*) h2.Clone("h3");

  while (inputFile.hasNext()) {

    STATUS("event: " << setw(10) << inputFile.getCounter() << '\r'); DEBUG(endl);

    JDAQEvent* event = inputFile.next();
    
    JTimeRange tx    = JTimeRange::DEFAULT_RANGE;

    {
      typedef JDAQTriggeredHit JHit_t;

      for (JDAQEvent::const_iterator<JHit_t> hit = event->begin<JHit_t>(); hit != event->end<JHit_t>(); ++hit) {

	const JPMTChannel& channel = router.getPMTChannel(*hit);

	h2.Fill((double) string.getIndex(channel.getString()), (double) channel.getFloor());

	tx.include(getTime(*hit, router.getPMT(*hit)));
      }
    }

    h1.Fill(tx.getLength() * 1.0e-3);

    {
      typedef JDAQSnapshotHit JHit_t;

      for (JDAQEvent::const_iterator<JHit_t> hit = event->begin<JHit_t>(); hit != event->end<JHit_t>(); ++hit) {

	const JPMTChannel& channel = router.getPMTChannel(*hit);

	h3->Fill((double) string.getIndex(channel.getString()), (double) channel.getFloor());
      }
    }
  }
  STATUS(endl);

  out.Write();
  out.Close();
}