"""
Logging utilities for the MONA application
Fixed version with all required functions
"""

import logging
import os
import sys
from datetime import datetime
from pathlib import Path


def setup_logging(log_level=logging.INFO, log_file=None):
    """
    Set up logging configuration
    
    Args:
        log_level: Logging level (default: INFO)
        log_file: Optional log file path
    """
    # Create logs directory if it doesn't exist
    if log_file:
        log_dir = Path(log_file).parent
        log_dir.mkdir(exist_ok=True)
    
    # Configure logging format
    formatter = logging.Formatter(
        '%(asctime)s - %(name)s - %(levelname)s - %(message)s',
        datefmt='%Y-%m-%d %H:%M:%S'
    )
    
    # Set up root logger
    root_logger = logging.getLogger()
    root_logger.setLevel(log_level)
    
    # Clear existing handlers
    root_logger.handlers.clear()
    
    # Console handler
    console_handler = logging.StreamHandler(sys.stdout)
    console_handler.setFormatter(formatter)
    root_logger.addHandler(console_handler)
    
    # File handler if specified
    if log_file:
        file_handler = logging.FileHandler(log_file)
        file_handler.setFormatter(formatter)
        root_logger.addHandler(file_handler)


def get_logger(name=None):
    """
    Get a logger instance
    
    Args:
        name: Logger name (default: __name__)
        
    Returns:
        logging.Logger: Logger instance
    """
    if name is None:
        name = __name__
    
    logger = logging.getLogger(name)
    
    # If no handlers are set up, set up basic logging
    if not logger.handlers and not logging.getLogger().handlers:
        setup_logging()
    
    return logger


def log_error(message, error=None, extra_data=None):
    """
    Log error messages with optional error details and extra data
    
    Args:
        message (str): The error message to log
        error (Exception, optional): The exception object if available
        extra_data (dict, optional): Additional data to include in log
    """
    logger = get_logger()
    
    if error:
        error_msg = f"{message}: {str(error)}"
        if hasattr(error, '__traceback__'):
            import traceback
            error_msg += f"\nTraceback: {traceback.format_exc()}"
    else:
        error_msg = message
    
    if extra_data:
        logger.error(error_msg, extra=extra_data)
    else:
        logger.error(error_msg)


def log_warning(message, extra_data=None):
    """
    Log warning messages
    
    Args:
        message (str): The warning message to log
        extra_data (dict, optional): Additional data to include in log
    """
    logger = get_logger()
    if extra_data:
        logger.warning(message, extra=extra_data)
    else:
        logger.warning(message)


def log_info(message, extra_data=None):
    """
    Log info messages
    
    Args:
        message (str): The info message to log
        extra_data (dict, optional): Additional data to include in log
    """
    logger = get_logger()
    if extra_data:
        logger.info(message, extra=extra_data)
    else:
        logger.info(message)


def log_debug(message, extra_data=None):
    """
    Log debug messages
    
    Args:
        message (str): The debug message to log
        extra_data (dict, optional): Additional data to include in log
    """
    logger = get_logger()
    if extra_data:
        logger.debug(message, extra=extra_data)
    else:
        logger.debug(message)


def log_exception(message, exc_info=True):
    """
    Log exceptions with full traceback
    
    Args:
        message (str): The exception message to log
        exc_info (bool): Whether to include exception info
    """
    logger = get_logger()
    logger.exception(message, exc_info=exc_info)


# Initialize logging when module is imported
if __name__ != "__main__":
    setup_logging()