import hashlib, pathlib, json, datetime
ROOT = pathlib.Path(__file__).resolve().parents[2]
OUT = ROOT / "dist"
OUT.mkdir(parents=True, exist_ok=True)
def sha256_of(path: pathlib.Path) -> str:
    h = hashlib.sha256()
    with open(path, "rb") as f:
        for chunk in iter(lambda: f.read(8192), b""):
            h.update(chunk)
    return h.hexdigest()
entries = []
for p in ROOT.rglob("*"):
    if p.is_file() and "dist" not in p.parts:
        rel = p.relative_to(ROOT).as_posix()
        entries.append({"path": rel, "sha256": sha256_of(p)})
with open(OUT / "HASHES.json", "w") as f:
    json.dump({"generated": datetime.datetime.utcnow().isoformat()+"Z","files": entries}, f, indent=2)
print("Wrote", OUT / "HASHES.json")