#!/usr/bin/env python3
#
# Copyright (C) 2021 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# 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/>.

import re
import sys

from vyos.template import is_ipv4

pattern = '(.*):(.*):(.*)'

if __name__ == '__main__':
    if len(sys.argv) != 2:
        sys.exit(1)

    value = sys.argv[1].split(':')
    if not len(value) == 3:
        sys.exit(1)

    # Check if the first string is an IPv4 address
    if is_ipv4(value[0]):
        if value[1].isdigit() and value[2].isdigit():
            sys.exit(0)
    # If first string is not an IP address it must be a number
    else:
        if value[0].isdigit() and value[1].isdigit() and value[2].isdigit():
            sys.exit(0)

    sys.exit(1)