"""Logging configuration and management."""
import logging
import sys
from pathlib import Path
from typing import Optional

try:
    from rich.logging import RichHandler
    HAS_RICH = True
except ImportError:
    HAS_RICH = False


def setup_logging(
    level: str = "INFO",
    log_file: Optional[str] = None,
    use_rich: bool = True
) -> logging.Logger:
    """
    Setup logging with console and optional file handlers.

    Args:
        level: Logging level (DEBUG, INFO, WARNING, ERROR, CRITICAL)
        log_file: Optional file path for log output
        use_rich: Use rich formatting if available

    Returns:
        Configured logger instance
    """
    # Create logs directory if needed
    if log_file:
        Path(log_file).parent.mkdir(parents=True, exist_ok=True)

    # Get root logger
    logger = logging.getLogger()
    logger.setLevel(level)

    # Remove existing handlers
    logger.handlers = []

    # Console handler with optional rich formatting
    if use_rich and HAS_RICH:
        console_handler = RichHandler(
            rich_tracebacks=True,
            markup=True,
            show_time=True,
            show_path=False
        )
    else:
        console_handler = logging.StreamHandler(sys.stdout)

    console_handler.setLevel(level)
    console_formatter = logging.Formatter(
        '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
    )
    console_handler.setFormatter(console_formatter)
    logger.addHandler(console_handler)

    # File handler if specified
    if log_file:
        file_handler = logging.FileHandler(log_file)
        file_handler.setLevel(level)
        file_formatter = logging.Formatter(
            '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
        )
        file_handler.setFormatter(file_formatter)
        logger.addHandler(file_handler)

    return logger


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