#!/usr/bin/python3
# -*- coding: utf-8 -*-
#
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# Copyright 2016-2023 Univention GmbH
#
# https://www.univention.de/
#
# All rights reserved.
#
# The source code of this program is made available
# under the terms of the GNU Affero General Public License version 3
# (GNU AGPL V3) as published by the Free Software Foundation.
#
# Binary versions of this program provided by Univention to you as
# well as other copyrighted, protected or trademarked materials like
# Logos, graphics, fonts, specific documentations and configurations,
# cryptographic keys etc. are subject to a license agreement between
# you and Univention and not subject to the GNU AGPL V3.
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# In the case you use this program under the terms of the GNU AGPL V3,
# the program is provided 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License with the Debian GNU/Linux or Univention distribution in file
# /usr/share/common-licenses/AGPL-3; if not, see
# <https://www.gnu.org/licenses/>.

import sys
from argparse import ArgumentParser

import univention.config_registry
from ucsschool.lib.schoolldap import SchoolSearchBase
from univention.lib.umc import Client


ucr = univention.config_registry.ConfigRegistry()
ucr.load()


def main():
    samba4_addmachine = ucr.get('samba4/addmachine')
    if samba4_addmachine == 'deny':
        sys.exit(2)

    samba4_ldap_base = ucr.get('samba4/ldap/base')
    ldap_base = ucr.get('ldap/base')
    if not (samba4_ldap_base and ldap_base):
        sys.exit(255)

    parser = ArgumentParser()
    parser.add_argument('-s', dest='server')
    parser.add_argument('-P', dest='password')
    parser.add_argument('-U', dest='username')
    parser.add_argument('-o', action='append', dest='options')
    parser.add_argument('command')
    args = parser.parse_args()

    options = dict(x.split('=', 1) for x in args.options)
    options['school'] = SchoolSearchBase.getOU(ucr.get('ldap/hostdn', '')) or SchoolSearchBase.getOU(ucr.get('dhcpd/ldap/base', ''))
    client = Client(args.server, args.username, args.password)
    result = client.umc_command(args.command, options).result
    already_exists = result.get('already_exists')
    dn_ol = result.get('dn')
    if not dn_ol:
        # sys.exit(1)
        sys.exit(0)   # for compatibility with univention-management-console-module-selective-udm before 5.0.0-2

    if samba4_addmachine == 'dummy':
        sys.exit(3)

    dn_s4 = dn_ol[:len(dn_ol) - len(ldap_base)] + samba4_ldap_base
    print(dn_s4)
    if already_exists:
        sys.exit(4)


if __name__ == '__main__':
    main()
