# Copyright 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/>.

# - Move 'require' from 'protocols' in  'authentication' node
# - Migrate to new default values in radius timeout and acct-timeout

from vyos.configtree import ConfigTree

base = ['vpn', 'pptp', 'remote-access']

def migrate(config: ConfigTree) -> None:
    if not config.exists(base):
        return

    #migrate require to protocols
    require_path = base + ['authentication', 'require']
    if config.exists(require_path):
        protocols = list(config.return_values(require_path))
        for protocol in protocols:
            config.set(base + ['authentication', 'protocols'], value=protocol,
                       replace=False)
        config.delete(require_path)
    else:
        config.set(base + ['authentication', 'protocols'], value='mschap-v2')

    radius_path = base + ['authentication', 'radius']
    if config.exists(radius_path):
        if not config.exists(radius_path + ['timeout']):
            config.set(radius_path + ['timeout'], value=3)
        if not config.exists(radius_path + ['acct-timeout']):
            config.set(radius_path + ['acct-timeout'], value=3)