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"""Logging utilities for ScrapeRL backend."""

import logging
import sys
from typing import Optional


def setup_logging(
    level: str = "INFO",
    format_string: Optional[str] = None,
    log_file: Optional[str] = None,
) -> None:
    """
    Configure logging for the application.

    Args:
        level: Logging level (DEBUG, INFO, WARNING, ERROR, CRITICAL)
        format_string: Custom format string for log messages
        log_file: Optional file path to write logs to
    """
    if format_string is None:
        format_string = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"

    log_level = getattr(logging, level.upper(), logging.INFO)

    handlers: list[logging.Handler] = [logging.StreamHandler(sys.stdout)]

    if log_file:
        file_handler = logging.FileHandler(log_file)
        handlers.append(file_handler)

    logging.basicConfig(
        level=log_level,
        format=format_string,
        handlers=handlers,
    )

    # Reduce noise from third-party libraries
    logging.getLogger("httpx").setLevel(logging.WARNING)
    logging.getLogger("httpcore").setLevel(logging.WARNING)
    logging.getLogger("urllib3").setLevel(logging.WARNING)


def get_logger(name: str) -> logging.Logger:
    """
    Get a logger instance with the specified name.

    Args:
        name: Logger name, typically __name__ of the calling module

    Returns:
        Configured logger instance
    """
    return logging.getLogger(name)