"""Logging configuration for the bot."""
import logging
import sys
from typing import Optional


def setup_logging(level: Optional[str] = None) -> None:
    """Setup logging configuration for the bot.
    
    Args:
        level: Logging level (DEBUG, INFO, WARNING, ERROR, CRITICAL)
               If None, defaults to INFO
    """
    log_level = getattr(logging, level.upper() if level else "INFO", logging.INFO)
    
    # Create formatter
    formatter = logging.Formatter(
        fmt='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
        datefmt='%Y-%m-%d %H:%M:%S'
    )
    
    # Create console handler (for Docker stdout/stderr)
    console_handler = logging.StreamHandler(sys.stdout)
    console_handler.setFormatter(formatter)
    console_handler.setLevel(log_level)
    
    # Configure root logger
    root_logger = logging.getLogger()
    root_logger.setLevel(log_level)
    root_logger.addHandler(console_handler)
    
    # Set specific loggers
    logging.getLogger("telebot").setLevel(logging.WARNING)  # Reduce telebot verbosity
    logging.getLogger("apscheduler").setLevel(logging.INFO)
    logging.getLogger("sqlalchemy.engine").setLevel(logging.WARNING)  # Reduce SQLAlchemy verbosity


def get_logger(name: str) -> logging.Logger:
    """Get a logger instance for a module.
    
    Args:
        name: Logger name (usually __name__)
    
    Returns:
        Logger instance
    """
    return logging.getLogger(name)