#! /usr/bin/env python3
import sys
from pathlib import Path


def delete_empty(p: Path) -> bool:
    if p.is_file():
        print(f"{p} is a file, will not delete parent dirs")
        return False

    if not p.is_dir():
        raise ValueError(f"unknown type {p}")

    for child in p.iterdir():
        if not delete_empty(child):
            print(f"Skipping delete of {p}")
            return False

    p.rmdir()

    return True


def main() -> None:
    paths = [Path(arg) for arg in sys.argv[1:]]
    if not paths:
        print(
            "\n".join(
                (
                    "Usage: rm-empty-dirs path [path...]",
                    "",
                    "Recursively deletes any empty dirs using a depth first search.",
                )
            )
        )
    for path in paths:
        delete_empty(path)


if __name__ == "__main__":
    main()