#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-3.0-or-later
"""Phase-1.0BI audit guardrails."""

import argparse, hashlib, json
from pathlib import Path
import unittest

parser = argparse.ArgumentParser(); parser.add_argument("--root", type=Path, required=True)
root = parser.parse_args().root


class Phase10BIGuardrails(unittest.TestCase):
    @classmethod
    def setUpClass(cls) -> None:
        cls.data = json.loads((root / "manifests/retroarch/phase-1.0bi-real-facade-and-tool-install-audit.json").read_text(encoding="utf-8"))

    def test_parent_and_facade_contract(self) -> None:
        parent = root / "manifests/retroarch/phase-1.0bh-bounded-sdl-executor.json"
        self.assertEqual(hashlib.sha256(parent.read_bytes()).hexdigest(), self.data["source_bindings"]["phase10bh_manifest_sha256"])
        contract = self.data["facade_contract"]
        for key, value in contract.items():
            if key in ("cli_present", "retry_present", "cleanup_present", "network_present", "device_present"):
                self.assertFalse(value, key)
            else:
                self.assertTrue(value, key)

    def test_narrow_authority(self) -> None:
        auth = self.data["authorizations"]
        self.assertTrue(auth["real_facade_source_authorized"])
        self.assertTrue(auth["exact_package_install_authorized"])
        for key, value in auth.items():
            if key not in ("real_facade_source_authorized", "exact_package_install_authorized"):
                self.assertFalse(value, key)
        self.assertFalse(self.data["decision"]["materialization_allowed"])


if __name__ == "__main__": unittest.main(argv=[__file__])