# ammb/utils.py
"""
Shared utilities for the AMMB application, primarily logging setup.
"""

import logging

LOG_FORMAT = '%(asctime)s - %(threadName)s - %(levelname)s - %(name)s - %(message)s'
DATE_FORMAT = '%Y-%m-%d %H:%M:%S'

def setup_logging(log_level_str: str):
    """
    Configures application-wide logging.
    """
    numeric_level = getattr(logging, log_level_str.upper(), None)
    if not isinstance(numeric_level, int):
        logging.warning(
            f"Invalid log level specified: '{log_level_str}'. Defaulting to INFO."
        )
        numeric_level = logging.INFO

    # Reconfigure the root logger
    logging.basicConfig(level=numeric_level,
                        format=LOG_FORMAT,
                        datefmt=DATE_FORMAT,
                        force=True)

    # Adjust logging levels for noisy libraries
    logging.getLogger("pypubsub").setLevel(logging.WARNING)
    logging.getLogger("pubsub").setLevel(logging.WARNING)
    logging.getLogger("meshtastic").setLevel(logging.INFO)
    logging.getLogger("paho").setLevel(logging.WARNING)

    logging.info(f"Logging configured to level {logging.getLevelName(numeric_level)} ({numeric_level})")