import logging
import sys


def setup_logging(level: str = "INFO", log_file: str | None = None) -> None:
    # Пишем в stderr для Docker и Celery.
    handlers: list[logging.Handler] = [logging.StreamHandler(sys.stderr)]
    if log_file:
        handlers.append(logging.FileHandler(log_file, encoding="utf-8"))
    for handler in handlers:
        handler.setLevel(getattr(logging, level.upper(), logging.INFO))
    root = logging.getLogger()
    root.setLevel(getattr(logging, level.upper(), logging.INFO))
    # Убираем старые хендлеры после fork.
    for old_handler in list(root.handlers):
        try:
            old_handler.close()
        except Exception:
            pass
    root.handlers.clear()
    for handler in handlers:
        root.addHandler(handler)
    root.propagate = False
    fmt = logging.Formatter(
        "%(asctime)s | %(levelname)s | %(name)s | %(message)s"
    )
    for handler in root.handlers:
        handler.setFormatter(fmt)

    for logger_name in (
        "celery.app.trace",
        "celery.worker.request",
        "celery.worker.strategy",
    ):
        noisy_logger = logging.getLogger(logger_name)
        noisy_logger.handlers.clear()
        noisy_logger.propagate = False
        noisy_logger.disabled = True