#include <iostream>
#include <iomanip>

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

#include "JSupport/JMultipleFileScanner.hh"

#include "JROOT/JManager.hh"

#include "JAcoustics/JEvt.hh"
#include "JAcoustics/JSupport.hh"

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


/**
 * \file
 *
 * Auxiliary program to plot average tilt angles.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;

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

  try {

    JParser<> zap("Auxiliary program to plot average tilt angles.");

    zap['f'] = make_field(inputFile,       "input file (output of JKatoomba)");
    zap['n'] = make_field(numberOfEvents)   = JLimit::max();
    zap['o'] = make_field(outputFile)       = "parramatta.root";
    zap['d'] = make_field(debug)            = 2;

    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }

  JManager<int, TH2D> H2(new TH2D("string[%]", NULL, 500, -50.0, +50.0, 500, -50.0, +50.0));

  while (inputFile.hasNext()) {

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

    const JEvt* evt = inputFile.next();

    for (JEvt::const_iterator i = evt->begin(); i != evt->end(); ++i) {
      H2       ->Fill(i->tx*1.0e3, i->ty*1.0e3);  // [mrad]
      H2[i->id]->Fill(i->tx*1.0e3, i->ty*1.0e3);  // [mrad]
    }
  }
  STATUS(endl);

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

  out <<  H2
      << *H2;

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