// $Id$
//
//  Copyright (C) 2004-2006 Rational Discovery LLC
//
//  @@ All Rights Reserved @@
//  This file is part of the RDKit.
//  The contents are covered by the terms of the BSD license
//  which is included in the file license.txt, found at the root
//  of the RDKit source tree.
//
#define NO_IMPORT_ARRAY
#include <boost/python.hpp>

#include <GraphMol/RDKitBase.h>
#include <RDGeneral/types.h>
#include<RDGeneral/Invariant.h>
#include <RDBoost/PySequenceHolder.h>
#include <ChemicalFeatures/FreeChemicalFeature.h>

namespace ChemicalFeatures {

  // support pickling:
  struct chemfeat_pickle_suite : python::pickle_suite
  {
    static python::tuple
    getinitargs(const FreeChemicalFeature& self)
    {
      std::string res=self.toString();
      python::object retval = python::object(python::handle<>(PyBytes_FromStringAndSize(res.c_str(),res.length())));
      return python::make_tuple(retval);
    };
  };

  
  std::string featClassDoc="Class to represent a free chemical features.\n\
    These chemical features are not associated with a molecule, though they can be matched \n\
    to molecular featufres\n";
  struct freefeat_wrapper {
    static void wrap() {
      python::class_<FreeChemicalFeature>("FreeChemicalFeature", featClassDoc.c_str(),
					  python::init<const std::string &>())
        .def(python::init<>("Default Constructor"))
        .def(python::init<std::string, std::string, const RDGeom::Point3D &,int>
             ((python::arg("family"),
               python::arg("type"),
               python::arg("loc"),
               python::arg("id")=-1),
              "Constructor with family, type and location specified"))
        .def(python::init<std::string, const RDGeom::Point3D &>
             (python::args("family", "loc"), 
              "constructor with family and location specified, empty type and id"))
        .def("SetId", &FreeChemicalFeature::setId,
             "Set the id of the feature")
        .def("SetFamily", &FreeChemicalFeature::setFamily,
             "Set the family of the feature")
        .def("SetType", &FreeChemicalFeature::setType,
             "Set the sepcific type for the feature")
        .def("GetId", &FreeChemicalFeature::getId,
             "Get the id of the feature")
        .def("GetFamily", &FreeChemicalFeature::getFamily,
             "Get the family of the feature",
             python::return_value_policy<python::copy_const_reference>())
        .def("GetType", &FreeChemicalFeature::getType,
             "Get the sepcific type for the feature",
             python::return_value_policy<python::copy_const_reference>())
        .def("SetPos", &FreeChemicalFeature::setPos,
             "Set the feature position")
        .def("GetPos", &FreeChemicalFeature::getPos,
             "Get the position of the feature")
	.def_pickle(chemfeat_pickle_suite())
        ;
    };
  }; 
}

void wrap_freefeat() {
  ChemicalFeatures::freefeat_wrapper::wrap();
}