# 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.
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# You should have received a copy of the GNU Lesser General Public License
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# T5150: Rework CLI definitions to apply route-maps between routing daemons
#        and zebra/kernel

from vyos.configtree import ConfigTree

ripng_base = ['protocols', 'ripng']

def migrate(config: ConfigTree) -> None:
    # Check if RIPng is configured - if so, migrate the CLI node
    if config.exists(ripng_base):
        if config.exists(ripng_base + ['route-map']):
            tmp = config.return_value(ripng_base + ['route-map'])

            config.set(['system', 'ipv6', 'protocol', 'ripng', 'route-map'], value=tmp)
            config.set_tag(['system', 'ipv6', 'protocol'])
            config.delete(ripng_base + ['route-map'])