"""
Logging utilities
"""

import logging
import sys
from pathlib import Path
from typing import Optional


def setup_logger(
    name: str = "hf_agent", level: int = logging.INFO, log_file: Optional[Path] = None
) -> logging.Logger:
    """Setup and configure logger"""

    logger = logging.getLogger(name)
    logger.setLevel(level)

    # Remove existing handlers
    logger.handlers = []

    # Console handler
    console_handler = logging.StreamHandler(sys.stdout)
    console_handler.setLevel(level)
    console_format = logging.Formatter(
        "%(asctime)s - %(name)s - %(levelname)s - %(message)s",
        datefmt="%Y-%m-%d %H:%M:%S",
    )
    console_handler.setFormatter(console_format)
    logger.addHandler(console_handler)

    # File handler if log_file specified
    if log_file:
        log_file.parent.mkdir(parents=True, exist_ok=True)
        file_handler = logging.FileHandler(log_file)
        file_handler.setLevel(level)
        file_handler.setFormatter(console_format)
        logger.addHandler(file_handler)

    return logger