import logging
from typing import Awaitable, Callable

class SimpleMiddleware:
    """A minimal ASGI middleware that logs incoming request paths.

    This middleware is deliberately lightweight and does not depend on
    any external libraries. It can be wrapped around any ASGI application
    (e.g., FastAPI, Starlette) to provide basic request logging.
    """

    def __init__(self, app: Callable):
        self.app = app
        self.logger = logging.getLogger(__name__)

    async def __call__(self, scope, receive, send):
        if scope.get("type") == "http":
            path = scope.get("path", "<unknown>")
            self.logger.info(f"Incoming request: {path}")
        await self.app(scope, receive, send)

# Helper function for convenience

def get_middleware(app: Callable) -> SimpleMiddleware:
    """Return an instance of :class:`SimpleMiddleware` wrapped around *app*.

    Parameters
    ----------
    app: Callable
        The ASGI application to wrap.

    Returns
    -------
    SimpleMiddleware
        The middleware instance.
    """
    return SimpleMiddleware(app)