# -*- coding: utf-8 -*-
# SPDX-FileCopyrightText: 2025 KUNBUS GmbH
# SPDX-License-Identifier: GPL-2.0-or-later
"""Main application of revpi-middleware daemon."""
from logging import getLogger

from .daemon import MiddlewareDaemon
from . import proginit as pi

log = getLogger(__name__)

# Configure command line arguments for the daemon
if pi.can_be_forked():
    # Show the parameter only on systems that support fork call
    pi.parser.add_argument(
        "-d",
        "--daemon",
        action="store_true",
        dest="daemon",
        help="run program as a daemon in background",
    )
pi.parser.add_argument(
    "-c",
    "--conffile",
    dest="conffile",
    default="/etc/{0}/{0}.conf".format(pi.programname),
    help="application configuration file",
)


def main() -> int:
    import signal

    # Parse command line arguments
    pi.init_app()

    root = MiddlewareDaemon()

    # Set signals
    signal.signal(signal.SIGHUP, lambda n, f: root.reload_config())
    signal.signal(signal.SIGUSR1, lambda n, f: root.rotate_logfile())
    signal.signal(signal.SIGINT, lambda n, f: root.stop())
    signal.signal(signal.SIGTERM, lambda n, f: root.stop())

    return_code = root.start()

    # Finally, call the cleanup function of proginit to flush all log buffers.
    pi.cleanup()

    return return_code


if __name__ == "__main__":
    exit(main())