"""Main entry point for EasyPomodoro Project Consultant Telegram bot."""
import asyncio
import logging
import signal
import sys
from logger import setup_logging
from bot import TelegramBot
logger = logging.getLogger(__name__)
class Application:
"""Main application orchestrator."""
def __init__(self):
self.bot: TelegramBot = None
self.shutdown_event = asyncio.Event()
async def startup(self) -> None:
"""Initialize and start all components."""
logger.info("Application startup initiated")
self.bot = TelegramBot()
# Check backend health
logger.info("Checking backend health...")
is_healthy = await self.bot.backend_client.health_check()
if is_healthy:
logger.info("Backend is healthy")
else:
logger.warning("Backend health check failed, but continuing...")
await self.bot.run()
logger.info("Application startup completed")
async def shutdown(self) -> None:
"""Gracefully shutdown all components."""
logger.info("Application shutdown initiated")
if self.bot:
await self.bot.stop()
logger.info("Application shutdown completed")
async def run(self) -> None:
"""Run the application until shutdown signal."""
try:
await self.startup()
await self.shutdown_event.wait()
except Exception as e:
logger.error(f"Application error: {e}", exc_info=True)
finally:
await self.shutdown()
def signal_handler(self, signum, frame) -> None:
"""Handle shutdown signals."""
logger.info(f"Received signal {signum}, initiating shutdown")
self.shutdown_event.set()
async def main() -> None:
"""Application entry point."""
setup_logging(level=logging.INFO)
logger.info("=== EasyPomodoro Project Consultant Bot Starting ===")
app = Application()
signal.signal(signal.SIGINT, lambda s, f: app.signal_handler(s, f))
signal.signal(signal.SIGTERM, lambda s, f: app.signal_handler(s, f))
try:
await app.run()
except KeyboardInterrupt:
logger.info("Keyboard interrupt received")
except Exception as e:
logger.error(f"Fatal error: {e}", exc_info=True)
sys.exit(1)
logger.info("=== EasyPomodoro Project Consultant Bot Stopped ===")
if __name__ == "__main__":
asyncio.run(main())
