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

#include "JDAQ/JDAQHeaderIO.hh"
#include "JDAQ/JDAQTimesliceIO.hh"
#include "JDAQ/JDAQEventIO.hh"
#include "JDAQ/JDAQSummarysliceIO.hh"
#include "JLang/JObjectMultiplexer.hh"
#include "JSupport/JMultipleFileScanner.hh"
#include "JSupport/JSupport.hh"
#include "JROOT/JRootFileReader.hh"

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

/**
 * \file
 *
 * Auxiliary program to print DAQ header data.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;
  using namespace KM3NETDAQ;

  JMultipleFileScanner<JDAQTypes_t> inputFile;
  counter_type        numberOfEvents;
  int                 debug;
    
  try { 

    JParser<> zap("Auxiliary program to print DAQ header data.");
    
    zap['f'] = make_field(inputFile, "input file.");
    zap['n'] = make_field(numberOfEvents)             = 1;
    zap['d'] = make_field(debug,     "debug flag.")   = 1;

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


  JDAQHeader   header;
  int          numberOfErrors = 0;
  counter_type counter        = 0;

  for (JObjectMultiplexer<JDAQTypes_t, JDAQHeader> in(inputFile); in.hasNext() && counter != numberOfEvents; ++counter) {

    const JDAQHeader* p = in.next();

    if (counter == 0)
      header = *p;
    else if (header.getDetectorID() != p->getDetectorID() ||
	     header.getRunNumber () != p->getRunNumber ())
      ++numberOfErrors;
  }

  for (JMultipleFileScanner_t::const_iterator i = inputFile.begin(); i != inputFile.end(); ++i) {

    for (JRootFileReader<JDAQHeader> in(i->c_str()); in.hasNext() && counter != numberOfEvents; ++counter) {

      const JDAQHeader* p = in.next();

      if (counter == 0)
	header = *p;
      else if (header.getDetectorID() != p->getDetectorID() ||
	       header.getRunNumber () != p->getRunNumber ())
	++numberOfErrors;
    }
  }

  if (numberOfErrors != 0) {
    FATAL("Number of errors/counts " << numberOfErrors << "/" << counter << endl);
  }

  if (counter != 0) 
    cout << header << endl;
  else
    FATAL("No header.");

  return 0;
}