# Copyright 2022-2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library 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 2.1 of the License, or (at your option) any later version.
#
# This library 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 library.  If not, see <http://www.gnu.org/licenses/>.

# Delete depricated outside-nexthop address

from vyos.configtree import ConfigTree

cfg_base = ['vpn', 'openconnect']

def migrate(config: ConfigTree) -> None:
    if not config.exists(cfg_base):
        # Nothing to do
        return

    if config.exists(cfg_base + ['authentication', 'mode']):
        if config.return_value(cfg_base + ['authentication', 'mode']) == 'radius':
            # if "mode value radius", change to "mode + valueless node radius"
            config.delete_value(cfg_base + ['authentication','mode'], 'radius')
            config.set(cfg_base + ['authentication', 'mode', 'radius'], value=None)
        elif config.return_value(cfg_base + ['authentication', 'mode']) == 'local':
            # if "mode local", change to "mode + node local value password"
            config.delete_value(cfg_base + ['authentication', 'mode'], 'local')
            config.set(cfg_base + ['authentication', 'mode', 'local'], value='password')