// $Id$
//
//  Copyright (C) 2013 Greg Landrum and 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 <string>

//ours
#include <GraphMol/FileParsers/MolWriters.h>
#include <GraphMol/RDKitBase.h>
#include "rdchem.h"
#include <RDBoost/PySequenceHolder.h>
#include <RDBoost/python_streambuf.h>

namespace python = boost::python;

namespace RDKit {
  using boost_adaptbx::python::streambuf;
  namespace {
    PDBWriter *getPDBWriter(python::object &fileobj,
                            unsigned int flavor=0){
      // FIX: minor leak here
      streambuf *sb=new streambuf(fileobj);
      streambuf::ostream *ost=new streambuf::ostream(*sb);
      return new PDBWriter(ost,true,flavor);
    }
  }
  std::string pdbwDocStr="Constructor.\n\n"
  "   ARGUMENTS:\n\n"
  "     - fileName: name of the output file. ('-' to write to stdout)\n"
  "     - flavor: (optional) \n\n";
  struct pdbwriter_wrap {
    static void wrap() {
      python::class_<PDBWriter>("PDBWriter",
                                "A class for writing molecules to PDB files.",
                                python::no_init)
        .def("__init__",python::make_constructor(&getPDBWriter,python::default_call_policies(),
                                                 (python::arg("fileObj"),
                                                  python::arg("flavor")=0)))
        .def(python::init<std::string,unsigned int>((python::arg("fileName"),
                                                     python::arg("flavor")=0),
                                                    pdbwDocStr.c_str()))
	.def("write", &PDBWriter::write,
             (python::arg("self"), python::arg("mol"), python::arg("confId")=-1),
	     "Writes a molecule to the output file.\n\n"
	     "  ARGUMENTS:\n\n"
	     "    - mol: the Mol to be written\n"
	     "    - confId: (optional) ignored \n\n")
	.def("flush", &PDBWriter::flush,
	     "Flushes the output file (forces the disk file to be updated).\n\n"
	     )
	.def("close", &PDBWriter::close,
	     "Flushes the output file and closes it. The Writer cannot be used after this.\n\n"
	     )
	.def("NumMols", &PDBWriter::numMols,
	     "Returns the number of molecules written so far.\n\n"
	     )
	;
    };
  };
}

void wrap_pdbwriter() {
  RDKit::pdbwriter_wrap::wrap();
}