"""Discord bot lifecycle, class definition, and supervisor."""

import asyncio
import json
import logging
import threading
import time
from datetime import datetime, timedelta
from zoneinfo import ZoneInfo

from apscheduler.schedulers.asyncio import AsyncIOScheduler
from apscheduler.triggers.cron import CronTrigger
from discord import (
    Forbidden,
    HTTPException,
    Intents,
    LoginFailure,
    NotFound,
    PrivilegedIntentsRequired,
)
from discord.ext import commands
from sqlalchemy.exc import SQLAlchemyError

from app.discord.constants import (
    BOT_RESTART_DELAY_SECONDS,
    BOT_RESTART_MAX_DELAY_SECONDS,
    BOT_RESTART_RESET_SECONDS,
    CHECK_EMOJI,
    CROSS_EMOJI,
    DISCORD_BOT_TOKEN,
    REMINDER_GRACE_SECONDS,
    TIMEZONE,
    USER_CACHE_MAX,
)
from app.discord.pending import (
    drop_expired,
    forget_pending,
    load_pending,
    save_pending,
)
from app.discord.queue import message_queue
from app.time_utils import utc_now_naive

_logger = logging.getLogger(__name__)
bot_instance = None
bot_thread = None
bot_flask_app = None
_stop_bot = threading.Event()