import logging
from datetime import datetime
from typing import Optional

class Logger:
    _instance: Optional['Logger'] = None

    def __new__(cls):
        if cls._instance is None:
            cls._instance = super().__new__(cls)
            cls._instance._initialize()
        return cls._instance

    def _initialize(self):
        # Configure logging
        logging.basicConfig(
            level=logging.INFO,
            format='%(asctime)s - %(levelname)s - %(message)s',
            handlers=[
                logging.FileHandler(f'logs/main_{datetime.now().strftime("%Y%m%d")}.log'),
                logging.StreamHandler()
            ]
        )
        self.logger = logging.getLogger(__name__)

    def info(self, message: str):
        self.logger.info(message)

    def error(self, message: str):
        self.logger.error(message)

    def warning(self, message: str):
        self.logger.warning(message)

    def debug(self, message: str):
        self.logger.debug(message)