"""Logging configuration for the analyzer."""

import logging
import sys
from typing import Optional


def setup_logger(name: str, debug: bool = False) -> logging.Logger:
    """
    Set up a logger instance with console output.

    Args:
        name: Logger name (typically __name__)
        debug: If True, set level to DEBUG; otherwise INFO

    Returns:
        Configured logger instance
    """
    logger = logging.getLogger(name)
    level = logging.DEBUG if debug else logging.INFO
    logger.setLevel(level)

    # Console handler
    handler = logging.StreamHandler(sys.stdout)
    handler.setLevel(level)

    formatter = logging.Formatter(
        "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
    )
    handler.setFormatter(formatter)

    if not logger.handlers:
        logger.addHandler(handler)

    return logger