#!/usr/bin/python2.7
# -*- coding: utf-8 -*-
#
# Copyright 2016-2020 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.
#
# 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 univention.lib.umc import Client
from ucsschool.lib.schoolldap import SchoolSearchBase

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()
