"""
Entry point for DirtyLeague Bot.
Handles configuration loading, logging initialization, and global Kill Switch.
"""

import json
import logging
import os
import sys
import threading
import time
import keyboard

CONFIG_FILE = "config.json"


def setup_logging(log_level_str: str = "INFO"):
    os.makedirs("logs", exist_ok=True)
    log_file = os.path.join("logs", f"bot_{time.strftime('%Y%m%d_%H%M%S')}.log")
    
    # Ensure stdout handles unicode properly on Windows
    if hasattr(sys.stdout, "reconfigure"):
        try:
            sys.stdout.reconfigure(encoding="utf-8", errors="replace")
        except Exception:
            pass

    level = getattr(logging, log_level_str.upper(), logging.INFO)

    logging.basicConfig(
        level=level,
        format="%(asctime)s [%(levelname)s] %(message)s",
        handlers=[
            logging.FileHandler(log_file, encoding="utf-8"),
            logging.StreamHandler(sys.stdout)
        ]
    )
    logging.info(f"Logging initialized. Log file: {log_file}")


def load_config():
    if not os.path.exists(CONFIG_FILE):
        raise FileNotFoundError(f"Configuration file '{CONFIG_FILE}' not found.")
    with open(CONFIG_FILE, "r", encoding="utf-8") as f:
        return json.load(f)


def main():
    import argparse
    parser = argparse.ArgumentParser(description="DirtyLeague Autonomous FSM Bot")
    parser.add_argument("--duration", type=int, default=None, help="Stop after N seconds")
    parser.add_argument("--cycles", type=int, default=None, help="Stop after N battles/cycles")
    args = parser.parse_args()

    config = load_config()
    bot_conf = config.get("bot", {})
    setup_logging(config.get("log_level", "INFO"))

    kill_key = bot_conf.get("kill_switch_key", "q")
    logging.info(f"Starting DirtyLeague Bot. Press '{kill_key.upper()}' at ANY time for Emergency Stop (Kill Switch).")

    from bot_core import DirtyLeagueBot

    bot = DirtyLeagueBot(config=config)
    stop_event = threading.Event()

    def kill_switch_listener():
        while not stop_event.is_set():
            if keyboard.is_pressed(kill_key):
                logging.warning(f"!!! KILL SWITCH '{kill_key.upper()}' PRESSED! Stopping bot immediately... !!!")
                bot.stop()
                stop_event.set()
                break
            time.sleep(0.05)

    listener_thread = threading.Thread(target=kill_switch_listener, daemon=True)
    listener_thread.start()

    try:
        bot.start(max_duration_sec=args.duration, max_cycles=args.cycles)
    except KeyboardInterrupt:
        logging.info("Bot interrupted by User (Ctrl+C).")
    except Exception as e:
        logging.exception(f"Unexpected error in bot execution: {e}")
    finally:
        stop_event.set()
        bot.stop()
        logging.info("Bot stopped successfully.")


if __name__ == "__main__":
    main()