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

#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
#include "JTools/JFunction1D_t.hh"
#include "JTools/JFunctionalMap_t.hh"
#include "JPhysics/JTransformer.hh"
#include "JPhysics/JPDFTable.hh"
#include "JPhysics/JCDFTable.hh"


/**
 * Main program to create table of CDFs from table of PDFs.
 */
int main(int argc, char **argv)
{
  using namespace std;

  string inputFile;
  string outputFile;
  double epsilon;
  int    debug;

  try { 

    JParser<> zap;

    zap['f'] = make_field(inputFile);
    zap['o'] = make_field(outputFile);
    zap['e'] = make_field(epsilon)     = 0.0;
    zap['d'] = make_field(debug)       = 0;

    if (zap.read(argc, argv) != 0)
      return 1;
  }
  catch(const exception& error) {
    FATAL(error.what() << endl);
  }


  using namespace JPHYSICS;
  using namespace JTOOLS;

  typedef JSplineFunction1S_t                                     JFunction1D_t;
  typedef JMultipleMap<3, JPolint1FunctionalMap>::type_list       JMapList_t;
  typedef JPDFTable<JSplineFunction1S_t, JMapList_t>              JPDF_t;
  typedef JCDFTable<JSplineFunction1D_t, JMapList_t>              JCDF_t;

  JPDF_t pdf;

  try {
    
    NOTICE("loading input from file " << inputFile << "... " << flush);
    
    pdf.load(inputFile.c_str());

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

  NOTICE("converting... " << flush);

  JCDF_t cdf(pdf, epsilon);

  NOTICE("OK" << endl);

  try {

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

    cdf.store(outputFile.c_str());

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