from __future__ import annotations

import argparse


def convert_rtstruct_to_mask(*args, **kwargs):
    """RTSTRUCT/SEG conversion hook for NSCLC-Radiomics.

    The exact ROI names and frame-of-reference handling need the downloaded TCIA
    files. Keep this as a hard error instead of silently producing wrong masks.
    """

    raise NotImplementedError(
        "RTSTRUCT/SEG conversion requires local NSCLC-Radiomics files. "
        "Use this hook after downloading data and confirming ROI names."
    )


def main() -> None:
    parser = argparse.ArgumentParser(description="Placeholder RTSTRUCT to mask converter.")
    parser.add_argument("--rtstruct", required=True)
    parser.add_argument("--reference-image", required=True)
    parser.add_argument("--out", required=True)
    parser.parse_args()
    convert_rtstruct_to_mask()


if __name__ == "__main__":
    main()