#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-3.0-or-later
"""Validate exact Phase-1.0AT offline model bindings."""

from __future__ import annotations

import argparse
import hashlib
import json
from pathlib import Path


def digest(path: Path) -> str:
    return hashlib.sha256(path.read_bytes()).hexdigest()


def main() -> int:
    parser = argparse.ArgumentParser()
    parser.add_argument("--root", type=Path, required=True)
    args = parser.parse_args()
    root = args.root
    data = json.loads((root / "manifests/retroarch/phase-1.0at-fd-deadline-model.json").read_text(encoding="utf-8"))
    bindings = data["source_bindings"]
    assert digest(root / "manifests/retroarch/phase-1.0as-channel-primitive-audit.json") == bindings["phase10as_manifest_sha256"]
    assert digest(root / "tools/phase10at_fd_deadline_model.py") == bindings["model_sha256"]
    assert digest(root / "tests/test_phase10at_fd_deadline_model.py") == bindings["failure_tests_sha256"]
    assert data["model_boundary"]["fake_facade_only"] is True
    assert data["ownership_contract"]["all_acquired_ends_closed_on_failure"] is True
    assert data["deadline_contract"]["trailing_read_event_fails"] is True
    assert not any(data["authorizations"].values())
    assert data["decision"]["live_channel_architecture_feasible"] is False
    print("Phase-1.0AT FD/deadline model validation passed")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())