#!/usr/bin/python3
# SPDX-License-Identifier: AGPL-3.0-or-later
"""
Configuration helper for Quassel.
"""

import argparse
import pathlib


def parse_arguments():
    """Return parsed command line arguments as dictionary."""
    parser = argparse.ArgumentParser()
    subparsers = parser.add_subparsers(dest='subcommand', help='Sub command')

    subparser = subparsers.add_parser('set-domain',
                                      help='Setup Quassel configuration')
    subparser.add_argument('domain_name', help='Domain name to be allowed')

    subparsers.required = True
    return parser.parse_args()


def subcommand_set_domain(arguments):
    """Write a file containing domain name."""
    domain_file = pathlib.Path('/var/lib/quassel/domain-freedombox')
    domain_file.write_text(arguments.domain_name)


def main():
    """Parse arguments and perform all duties."""
    arguments = parse_arguments()

    subcommand = arguments.subcommand.replace('-', '_')
    subcommand_method = globals()['subcommand_' + subcommand]
    subcommand_method(arguments)


if __name__ == '__main__':
    main()