#! /usr/bin/python3
#
# Copyright (C) 2024 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/>.
#

import sys
import json

from vyos.configtree import ConfigTree
from vyos.utils.config import parse_commands


def commands_to_config(cmds):
    ct = ConfigTree('')
    cmds = parse_commands(cmds)

    for c in cmds:
        if c["op"] == "set":
            if c["is_leaf"]:
                replace = False if c["is_multi"] else True
                ct.set(c["path"], value=c["value"], replace=replace)
            else:
                ct.create_node(c["path"])
        else:
            raise ValueError(
              f"\"{c['op']}\" is not a supported config operation")

    return ct


if __name__ == '__main__':
    try:
        cmds = sys.stdin.read()
        ct = commands_to_config(cmds)
        print(str(ct))
    except Exception as e:
        print(e)
        sys.exit(1)