# -*- coding: utf-8 -*-
# Copyright (C) 2017-2024 Team tiramisu (see AUTHORS for all contributors)
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU Lesser 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# The original `Config` design model is unproudly borrowed from
# the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
# the whole pypy projet is under MIT licence
# ____________________________________________________________
"""NetworkOption
"""
from ipaddress import ip_network

from ..i18n import _
from .ipoption import IPOption
from .stroption import StrOption


class NetworkOption(IPOption):
    "represents the choice of a network"
    __slots__ = tuple()
    _type = "network address"
    _t_type = _("network address")

    def __init__(self, *args, cidr=False, **kwargs):
        super().__init__(*args, cidr=cidr, **kwargs)

    def _second_level_cidr(self, ip_obj):
        if ip_obj.ip != ip_obj.network.network_address:
            raise ValueError(_("it's not a network address"))

    def second_level_validation(self, value: str, warnings_only: bool) -> None:
        if ip_network(value).network_address.is_reserved:
            if warnings_only:
                msg = _("shouldn't be reserved network")
            else:
                msg = _("mustn't be reserved network")
            raise ValueError(msg)