#!/usr/bin/env python3

# Copyright (C) 2020 VyOS maintainers and contributors
#
# 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 

import os
import sys
import pprint
import argparse

from vyos.xml import kw
from vyos.xml import load


# import json
# def save_json(fname, loaded):
#     with open(fname, 'w') as w:
#         print(f'saving {fname}')
#         w.write(json.dumps(loaded))


def save_dict(fname, loaded):
    with open(fname, 'w') as w:
        print(f'saving {fname}')
        w.write(f'# generated by {__file__}\n\n')
        w.write('definition = ')
        w.write(str(loaded))


def main():
    parser = argparse.ArgumentParser(description='generate python file from xml defintions')
    parser.add_argument('--conf-folder', type=str, default=load.configuration_definition, help='XML interface definition folder')
    parser.add_argument('--conf-cache', type=str, default=load.configuration_cache, help='python file with the conf mode dict')

    # parser.add_argument('--op-folder', type=str, default=load.operational_definition, help='XML interface definition folder')
    # parser.add_argument('--op-cache', type=str, default=load.operational_cache, help='python file with the conf mode dict')

    parser.add_argument('--dry', action='store_true', help='dry run, print to screen')

    args = parser.parse_args()

    if os.path.exists(load.configuration_cache):
        os.remove(load.configuration_cache)
    # if os.path.exists(load.operational_cache):
	#     os.remove(load.operational_cache)

    conf = load.xml(args.conf_folder)
    # op = load.xml(args.op_folder)

    if args.dry:
        pprint.pprint(conf)
        return

    save_dict(args.conf_cache, conf)
    # save_dict(args.op_cache, op)


if __name__ == '__main__':
    main()