#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-3.0-or-later
"""Validate Phase-1.0AJ external source bindings and closed boundary."""

from __future__ import annotations

import argparse
import hashlib
import json
import subprocess
from pathlib import Path


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


def commit(root: Path) -> str:
    return subprocess.run(
        ["git", "rev-parse", "HEAD"], cwd=root, check=True,
        capture_output=True, text=True).stdout.strip()


def main() -> int:
    parser = argparse.ArgumentParser()
    parser.add_argument("--root", type=Path, required=True)
    parser.add_argument("--shsrv-v07-root", type=Path, required=True)
    parser.add_argument("--hardened-elfldr-root", type=Path, required=True)
    args = parser.parse_args()
    data = json.loads((args.root / "manifests/retroarch/phase-1.0aj-primitive-audit.json").read_text(encoding="utf-8"))
    bindings = data["source_bindings"]
    assert sha256(args.root / "manifests/retroarch/phase-1.0ai-mapping-model.json") == bindings["phase10ai_manifest_sha256"]
    assert commit(args.shsrv_v07_root) == bindings["shsrv_v07_commit"]
    assert sha256(args.shsrv_v07_root / "elfldr.c") == bindings["shsrv_v07_elfldr_sha256"]
    assert sha256(args.shsrv_v07_root / "pt.c") == bindings["shsrv_v07_pt_sha256"]
    assert commit(args.hardened_elfldr_root) == bindings["hardened_elfldr_commit"]
    for key, relative in (
        ("controlled_runtime_c_sha256", "controlled_runtime.c"),
        ("controlled_runtime_h_sha256", "controlled_runtime.h"),
        ("hardened_pt_sha256", "pt.c"),
        ("ps5_controlled_sha256", "ps5_controlled.c"),
    ):
        assert sha256(args.hardened_elfldr_root / relative) == bindings[key]
    assert not any(data["authorizations"].values())
    assert data["decision"]["target_implementation_allowed"] is False
    assert data["decision"]["device_action_allowed"] is False
    print("Phase-1.0AJ primitive source audit validation passed")
    return 0


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