import logging
import sys

def setup_logging(log_level: str, process_name: str):
    """
    Configures logging for a process.

    Args:
        log_level: The desired logging level ('off', 'normal', 'debug').
        process_name: The name of the current process for log formatting.
    """
    level_map = {
        'normal': logging.INFO,
        'debug': logging.DEBUG,
    }

    if log_level == 'off':
        logging.getLogger().addHandler(logging.NullHandler())
        return

    log_level_val = level_map.get(log_level.lower())
    if log_level_val is None:
        print(f"Invalid log level '{log_level}'. Defaulting to 'normal'.")
        log_level_val = logging.INFO

    logger = logging.getLogger()
    if logger.hasHandlers():
        logger.handlers.clear()

    handler = logging.StreamHandler(sys.stdout)
    
    # --- FIX: Added a date format that includes the timezone name (%Z) ---
    formatter = logging.Formatter(
        f'%(asctime)s - {process_name} - %(levelname)s - %(message)s',
        datefmt='%Y-%m-%d %H:%M:%S %Z' 
    )
    handler.setFormatter(formatter)
    logger.addHandler(handler)
    logger.setLevel(log_level_val)