#!/usr/bin/env python3
""" AntiDrift """

import logging
import shutil
import sys
import signal
from pathlib import Path
import antidrift.client as client
from antidrift.config import Config
from antidrift.daemon import AntiDriftDaemon
from dbus.mainloop.glib import DBusGMainLoop
DBusGMainLoop(set_as_default=True)
signal.signal(signal.SIGINT, signal.SIG_DFL)


def init_logging(log_file: Path, mode: str):
    class DuplicateFilter(logging.Filter):
        def filter(self, record) -> bool:
            current_log = (record.module, record.levelno, record.msg)
            if current_log != getattr(self, "last_log", None):
                self.last_log = current_log
                return True
            return False
    format_str = f'%(asctime)s | %(levelname)-8s | {mode} | %(message)s'
    logging.basicConfig(filename=log_file,
                        format=format_str,
                        datefmt='%H:%M:%S',
                        encoding='utf-8',
                        level=logging.DEBUG)
    logger = logging.getLogger()
    logger.addFilter(DuplicateFilter())


def check_for_xdotool():
    """ Check if xdotool is in path and exit if not """
    result = shutil.which("xdotool")
    if not result:
        logging.critical("Please install xdotool")
        sys.exit(1)


def tailf(config):
    import time
    from rich import print
    with open(config.log_file, 'r') as f:
        f.seek(0, 2)
        while True:
            line = f.readline()
            if not line:
                time.sleep(0.1)
            else:
                print(line.strip())


def main() -> None:
    """ Main routine that dispatches to client or daemon """
    config = Config.load("config.yaml")

    if len(sys.argv) > 1 and sys.argv[1] == "tailf":
        tailf(config)
        return

    check_for_xdotool()
    if client.antidrift_daemon_is_running():
        init_logging(config.log_file, "[blue]client[/blue]")
        client.client_mode(config)
    else:
        init_logging(config.log_file, "[red]server[/red]")
        add = AntiDriftDaemon(config)
        add.run()


if __name__ == "__main__":
    main()