# 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/>.

# T3631: route-map: migrate "set extcommunity-rt" and "set extcommunity-soo"
#        to "set extcommunity rt|soo" to match FRR syntax

from vyos.configtree import ConfigTree

base = ['policy', 'route-map']

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

    for route_map in config.list_nodes(base):
        if not config.exists(base + [route_map, 'rule']):
            continue
        for rule in config.list_nodes(base + [route_map, 'rule']):
            base_rule = base + [route_map, 'rule', rule]

            if config.exists(base_rule + ['set', 'extcommunity-rt']):
                tmp = config.return_value(base_rule + ['set', 'extcommunity-rt'])
                config.delete(base_rule + ['set', 'extcommunity-rt'])
                config.set(base_rule + ['set', 'extcommunity', 'rt'], value=tmp)


            if config.exists(base_rule + ['set', 'extcommunity-soo']):
                tmp = config.return_value(base_rule + ['set', 'extcommunity-soo'])
                config.delete(base_rule + ['set', 'extcommunity-soo'])
                config.set(base_rule + ['set', 'extcommunity', 'soo'], value=tmp)