#!/usr/bin/env python3
#
# Copyright (C) 2023 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  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

import sys

from vyos.configtree import ConfigTree

if len(sys.argv) < 2:
    print("Must specify file name!")
    sys.exit(1)

file_name = sys.argv[1]

with open(file_name, 'r') as f:
    config_file = f.read()

config = ConfigTree(config_file)

base = ['service', 'https']
if not config.exists(base):
    # Nothing to do
    sys.exit(0)

# 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')

try:
    with open(file_name, 'w') as f:
        f.write(config.to_string())
except OSError as e:
    print("Failed to save the modified config: {}".format(e))
    sys.exit(1)