# Copyright 2021-2024 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/>.

# T3847: vrrp config cleanup

from vyos.configtree import ConfigTree

base = ['high-availability', 'vrrp']

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

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

            # Deprecated option
            tmp = group_base + ['transition-script', 'mode-force']
            if config.exists(tmp):
                config.delete(tmp)

            # Rename virtual-address -> address
            tmp = group_base + ['virtual-address']
            if config.exists(tmp):
                config.rename(tmp, 'address')

            # Rename virtual-address-excluded -> excluded-address
            tmp = group_base + ['virtual-address-excluded']
            if config.exists(tmp):
                config.rename(tmp, 'excluded-address')