#!/usr/bin/python3
#
# This file is part of FreedomBox.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

"""
Wrapper to list and handle system services
"""

import argparse
import os

from plinth import action_utils, cfg

cfg.read()
module_config_path = os.path.join(cfg.config_dir, 'modules-enabled')


def add_service_action(subparsers, action, help):
    parser = subparsers.add_parser(action, help=help)


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

    add_service_action(subparsers, 'start', 'start i2p service')
    add_service_action(subparsers, 'stop', 'stop i2p service')
    add_service_action(subparsers, 'enable', 'enable i2p service')
    add_service_action(subparsers, 'disable', 'disable i2p service')
    add_service_action(subparsers, 'restart', 'restart i2p service')
    add_service_action(subparsers, 'is-running', 'status of a service')
    add_service_action(subparsers, 'is-enabled', 'status a service')

    subparsers.required = True
    return parser.parse_args()


def subcommand_start():
    action_utils.service_start("i2p")


def subcommand_stop():
    action_utils.service_stop("i2p")


def subcommand_enable():
    action_utils.service_enable("i2p")
    action_utils.webserver_enable("i2p-plinth")


def subcommand_disable():
    action_utils.service_disable("i2p")
    action_utils.webserver_disable("i2p-plinth")


def subcommand_restart():
    action_utils.service_restart("i2p")


def subcommand_is_enabled():
    print(action_utils.service_is_enabled("i2p"))


def subcommand_is_running():
    print(action_utils.service_is_running("i2p"))


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

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


if __name__ == '__main__':
    main()