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

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

#include "km3net-dataformat/online/JDAQPMTIdentifier.hh"
#include "JDAQ/JDAQTimesliceIO.hh"

#include "JSupport/JMultipleFileScanner.hh"
#include "JSupport/JSupport.hh"
#include "JROOT/JManager.hh"
#include "Jeep/JeepToolkit.hh"

#include "JLang/JObjectMultiplexer.hh"

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


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

  JMultipleFileScanner<JDAQTimesliceTypes_t> inputFile;
  JLimit_t&         numberOfEvents = inputFile.getLimit();
  string            outputFile;
  JDAQPMTIdentifier PMT;
  int               debug;

  try { 

    JParser<> zap("Example program to histogram timeslice data.");
    
    zap['f'] = make_field(inputFile);
    zap['o'] = make_field(outputFile)          = "timeslice.root";
    zap['n'] = make_field(numberOfEvents)      = JLimit::max();
    zap['P'] = make_field(PMT)                 = JDAQPMTIdentifier(-1, -1);
    zap['d'] = make_field(debug)               = 2;
    
    zap(argc, argv);
  }
  catch(const exception& error) {
    FATAL(error.what() << endl);
  }


  cout.tie(&cerr);

  const bool zoom = (PMT.getModuleID()   != -1 &&
		     PMT.getPMTAddress() != -1);

  JManager<string, TH1D> h0(new TH1D("h0[%]", NULL, numeric_limits<JDAQHit::JPMT_t>::max(), -0.5, numeric_limits<JDAQHit::JPMT_t>::max() - 0.5));
  JManager<string, TH1D> h1(new TH1D("h1[%]", NULL, numeric_limits<JDAQHit::JTOT_t>::max(), -0.5, numeric_limits<JDAQHit::JTOT_t>::max() - 0.5));
  JManager<string, TH1D> h2(new TH1D("h2[%]", NULL, (zoom ? 20000000 : 1000),               -0.5, getFrameTime() + 0.5));

  h0->Sumw2();
  h1->Sumw2();
  h2->Sumw2();
  
  JObjectMultiplexer<JDAQTimesliceTypes_t> in(inputFile);
  
  for (counter_type counter = 0; in.hasNext(); ++counter) {

    STATUS("event: " << setw(10) << counter << '\r'); DEBUG(endl);

    JDAQTimeslice* timeslice = in.next();

    TH1D* p0 = h0[getClassname(timeslice->GetName())];
    TH1D* p1 = h1[getClassname(timeslice->GetName())];
    TH1D* p2 = h2[getClassname(timeslice->GetName())];
    
    for (JDAQTimeslice::const_iterator frame = timeslice->begin(); frame != timeslice->end(); ++frame) {
      for (JDAQSuperFrame::const_iterator hit = frame->begin(); hit != frame->end(); ++hit) {

	if (JDAQPMTIdentifier::compare(PMT, JDAQPMTIdentifier(frame->getModuleID(), hit->getPMT()))) {
	  p0->Fill(hit->getPMT());
	  p1->Fill(hit->getToT());
	  p2->Fill(hit->getT());
	}
      }
    }
  }
  STATUS(endl);

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

  h0.Write(out);
  h1.Write(out);
  h2.Write(out);
  
  out.Write();
  out.Close();
}