"""
Logging configuration and utility functions.
"""
import os
import logging
from logging.handlers import RotatingFileHandler
import sys
from config import settings

def setup_logger(name, log_file=None):
    """
    Set up a logger with both console and file handlers.
    
    Args:
        name (str): Logger name
        log_file (str, optional): Log file path. If None, uses the default from settings.
        
    Returns:
        logging.Logger: Configured logger
    """
    if log_file is None:
        log_file = settings.LOG_FILE
        
    # Create the logs directory if it doesn't exist
    os.makedirs(os.path.dirname(log_file), exist_ok=True)
    
    logger = logging.getLogger(name)
    logger.setLevel(getattr(logging, settings.LOG_LEVEL))
    
    # Create formatter
    formatter = logging.Formatter(settings.LOG_FORMAT, datefmt='%Y-%m-%d %H:%M:%S')
    
    # Create console handler
    console_handler = logging.StreamHandler(sys.stdout)
    console_handler.setLevel(getattr(logging, settings.LOG_LEVEL))
    console_handler.setFormatter(formatter)
    
    # Create file handler
    file_handler = RotatingFileHandler(
        log_file,
        maxBytes=settings.MAX_LOG_SIZE,
        backupCount=settings.BACKUP_COUNT
    )
    file_handler.setLevel(getattr(logging, settings.LOG_LEVEL))
    file_handler.setFormatter(formatter)
    
    # Add handlers to logger
    logger.addHandler(console_handler)
    logger.addHandler(file_handler)
    
    return logger

# Create main application logger
main_logger = setup_logger("LOG")