"""Main file for Agon bot."""

import logging
import os
import sys

import nextcord
from nextcord.ext import commands

from utilities import config
from utilities.logger import agon_logger

nextcord_logger = logging.getLogger("nextcord")
nextcord_logger.setLevel(logging.DEBUG)
nextcord_handler = logging.FileHandler(filename="nextcord.log", encoding="utf-8", mode="w")
nextcord_handler.setFormatter(logging.Formatter("%(asctime)s:%(levelname)s:%(name)s: %(message)s"))
nextcord_logger.addHandler(nextcord_handler)


def main() -> None:
    """Main function for bot."""
    min_python_version = (3, 12)
    if sys.version_info < min_python_version:
        agon_logger.error("ERROR: Python version must be >= 3.12")
        sys.exit()

    # Allows privileged intents for monitoring members joining, roles editing, and role assignments
    # These need to be enabled in the developer portal as well
    intents = nextcord.Intents.default()

    bot = commands.Bot(
        commands.when_mentioned_or(config.BOT_PREFIX),
        intents=intents,
    )

    # Get the modules of all cogs whose directory structure is ./cogs/<module_name>
    for folder in os.listdir("cogs"):
        bot.load_extension(f"cogs.{folder}")

    @bot.listen()
    async def on_ready() -> None:
        """When Discord is connected."""
        if bot.user is None:
            agon_logger.error("Discord connection failed.")
            return
        agon_logger.info("%s has connected to Discord!", bot.user.name)

    # Run Discord bot
    bot.run(config.DISCORD_TOKEN)


if __name__ == "__main__":
    main()