# Copyright 2023-2024 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/>.

# T5034: tunnel: rename "multicast enable" CLI node to "enable-multicast"
#        valueless node.

from vyos.configtree import ConfigTree

base = ['interfaces', 'tunnel']

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

    for ifname in config.list_nodes(base):
        multicast_base = base + [ifname, 'multicast']
        if config.exists(multicast_base):
            tmp = config.return_value(multicast_base)
            print(tmp)
            # Delete old Config node
            config.delete(multicast_base)
            if tmp == 'enable':
                config.set(base + [ifname, 'enable-multicast'])