# Copyright 2025 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/>.

from vyos.configtree import ConfigTree

base = ['load-balancing', 'wan']

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

    if config.exists(base + ['rule']):
        for rule in config.list_nodes(base + ['rule']):
            rule_base = base + ['rule', rule]

            if config.exists(rule_base + ['inbound-interface']):
                ifname = config.return_value(rule_base + ['inbound-interface'])

                if ifname.endswith('+'):
                    config.set(rule_base + ['inbound-interface'], value=ifname.replace('+', '*'))