#include <string>
#include <iostream>
#include <fstream>
#include <iomanip>
#include <vector>

#include "JTools/JFunction1D_t.hh"
#include "JTools/JFunctionalMap_t.hh"
#include "JPhysics/JPDFTable.hh"

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


/**
 * \file
 *
 * Auxiliary program to add PDF tables of the arrival time of the Cherenkov light from a muon.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;

  vector<string> inputFile;
  string         outputFile;
  int            debug;

  try { 

    JParser<> zap("Auxiliary program to add PDF tables of the arrival time of the Cherenkov light from a muon.");

    zap['f'] = make_field(inputFile);
    zap['o'] = make_field(outputFile);
    zap['d'] = make_field(debug)            = 2;

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


  if (inputFile.empty()) {
    FATAL("No input file(s)." << endl);
  }

  using namespace JPP;

  typedef JSplineFunction1D_t                                     JFunction1D_t;
  typedef JMAPLIST<JPolint1FunctionalMap,
		   JPolint1FunctionalGridMap,
		   JPolint1FunctionalGridMap>::maplist            JMapList_t;
  typedef JPDFTable<JFunction1D_t, JMapList_t>                    JPDF_t;

  const JFunction1D_t::JSupervisor supervisor(new JFunction1D_t::JDefaultResult(0.0));

  JPDF_t pdf;
  
  for (vector<string>::const_iterator i = inputFile.begin(); i != inputFile.end(); ++i) {

    try {
      
      NOTICE("loading input from file " << *i << "... " << flush);

      JPDF_t buffer;
      
      buffer.load(i->c_str());
      buffer.compile();
      buffer.setExceptionHandler(supervisor);

      NOTICE("OK" << endl);

      if (pdf.empty())
	pdf = buffer;
      else
	pdf.add(buffer);
    }
    catch(const JException& error) {
      FATAL(error.what() << endl);
    }
  }    

  try {

    NOTICE("storing output to file " << outputFile << "... " << flush);

    pdf.store(outputFile.c_str());

    NOTICE("OK" << endl);
  }
  catch(const JException& error) {
    FATAL(error << endl);
  }
}