#!/usr/bin/env python3

from argparse import ArgumentParser
from collections.abc import Sequence
from typing import Optional
from pathlib import Path
from os import PathLike, fspath
from http.server import SimpleHTTPRequestHandler, ThreadingHTTPServer
from functools import partial


def serve(bind: str, port: int, directory: PathLike):
    handler = partial(SimpleHTTPRequestHandler, directory=fspath(directory))

    with ThreadingHTTPServer((bind, port), handler) as httpd:
        print(*httpd.socket.getsockname())
        try:
            httpd.serve_forever()
        except KeyboardInterrupt:
            return


def main(argv: Optional[Sequence[str]] = None) -> None:
    parser = ArgumentParser()
    parser.add_argument(
        "-b", "--bind", metavar="ADDRESS", default="", help="bind to this address"
    )
    parser.add_argument(
        "-p", "--port", default=8080, type=int, help="bind to this port"
    )
    parser.add_argument(
        "directory",
        type=Path,
        default=Path.cwd(),
        nargs="?",
        help="serve this directory",
    )
    args = parser.parse_args(argv)

    try:
        serve(**vars(args))
    except KeyboardInterrupt:
        pass


if __name__ == "__main__":
    main()