"""Serial pinned baseline/candidate helper diagnostic; existing CUDA environment only."""

import argparse
from pathlib import Path
import subprocess
import sys
from prepare import HERE, REPO, materialize, verify_candidate


def main():
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("--repo", type=Path, default=REPO)
    parser.add_argument("--device", type=int, default=0)
    parser.add_argument("--run-gpu", action="store_true")
    parser.add_argument("--output-dir", type=Path, required=True)
    args = parser.parse_args()
    if not args.run_gpu:
        parser.error("Explicit --run-gpu required; authorized GPU executor only")
    output = args.output_dir.resolve()
    output.mkdir(parents=True, exist_ok=False)
    candidate = materialize(args.repo.resolve(), output / "candidate")
    verify_candidate(candidate)
    for mode in ("baseline", "patched"):
        subprocess.run(
            [
                sys.executable,
                str(HERE / "gpu_probe.py"),
                "--root",
                str(candidate / mode),
                "--device",
                str(args.device),
                "--run-gpu",
                "--output",
                str(output / (mode + ".json")),
            ],
            check=True,
        )
    print(
        "Both raw helper probes completed; this is not solver or turbulence acceptance."
    )


if __name__ == "__main__":
    main()