#!/usr/bin/env python

import os

def configure(conf):
    kerberos_py = conf.srcnode.abspath() + "/python/samba/provision/kerberos_implementation.py"

    f = open(kerberos_py, 'w')
    try:
        header = """#
# Copyright (c) 2016      Andreas Schneider <asn@samba.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
"""
        f.write(header)

        data = """kdb_modules_dir = "{0}"
"""

        if conf.env.HEIMDAL_KRB5_CONFIG:
            f.write(data.format("", ""))
        else:
            modulesdir = "%s/krb5/plugins/kdb" % conf.env.LIBDIR

            f.write(data.format(modulesdir))
    finally:
        f.close()

def build(bld):


    for env in bld.gen_python_environments():
        pytalloc_util = bld.pyembed_libname('pytalloc-util')
        pyparam_util = bld.pyembed_libname('pyparam_util')
        libpython = bld.pyembed_libname('LIBPYTHON')
        pyrpc_util = bld.pyembed_libname('pyrpc_util')
        samba_python = bld.pyembed_libname('samba_python')
        bld.SAMBA_LIBRARY(samba_python,
                      source=[],
                      deps='%s %s %s' % (libpython, pytalloc_util, pyrpc_util),
                      grouping_library=True,
                      private_library=True,
                      pyembed=True,
                      enabled=bld.PYTHON_BUILD_IS_ENABLED())
        bld.SAMBA_PYTHON('python_glue',
                         source='pyglue.c',
                         deps='''
                              %s
                              samba-util
                              netif
                              %s
                              ''' % (pyparam_util, pytalloc_util),
                         realname='samba/_glue.so')

        bld.SAMBA_SUBSYSTEM(libpython,
                            source='modules.c',
                            public_deps='',
                            init_function_sentinel='{NULL,NULL}',
                            deps='talloc',
                            pyext=True,
                            enabled=bld.PYTHON_BUILD_IS_ENABLED())

    if bld.PYTHON_BUILD_IS_ENABLED():
        for env in bld.gen_python_environments():
            # install out various python scripts for use by make test
            bld.SAMBA_SCRIPT('samba_python_files',
                             pattern='samba/**/*.py',
                             installdir='python')

            bld.INSTALL_WILDCARD('${PYTHONARCHDIR}', 'samba/**/*.py', flat=False)