# 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/>.

# T5762: http: api: smoketests fail as they can not establish IPv6 connection
#        to uvicorn backend server, always make the UNIX domain socket the
#        default way of communication

from vyos.configtree import ConfigTree

base = ['service', 'https']

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

    # Delete "socket" CLI option - we always use UNIX domain sockets for
    # NGINX <-> API server communication
    if config.exists(base + ['api', 'socket']):
        config.delete(base + ['api', 'socket'])

    # There is no need for an API service port, as UNIX domain sockets
    # are used
    if config.exists(base + ['api', 'port']):
        config.delete(base + ['api', 'port'])

    # rename listen-port -> port ver virtual-host
    if config.exists(base + ['virtual-host']):
        for vhost in config.list_nodes(base + ['virtual-host']):
            if config.exists(base + ['virtual-host', vhost, 'listen-port']):
                config.rename(base + ['virtual-host', vhost, 'listen-port'], 'port')