# Copyright 2019-2024 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/>.

# Operator accounts have been deprecated due to a security issue. Those accounts
# will be converted to regular admin accounts.

from vyos.configtree import ConfigTree

base_level = ['system', 'login', 'user']

def migrate(config: ConfigTree) -> None:
    if not config.exists(base_level):
        # Nothing to do, which shouldn't happen anyway
        # only if you wipe the config and reboot.
        return

    for user in config.list_nodes(base_level):
        if config.exists(base_level + [user, 'level']):
            if config.return_value(base_level + [user, 'level']) == 'operator':
                config.set(base_level + [user, 'level'], value="admin", replace=True)