import logging
import sys
from logging import Handler, StreamHandler


def setup_logging(verbose: bool = False, log_file: str | None = None) -> logging.Logger:
    log_level = logging.DEBUG if verbose else logging.INFO

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

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

    logging.basicConfig(
        level=log_level,
        format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
        handlers=handlers,
    )

    return logging.getLogger("tcga_downloader")


def get_logger(name: str) -> logging.Logger:
    return logging.getLogger(f"tcga_downloader.{name}")