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

from __future__ import annotations

import argparse
import json
from pathlib import Path
import unittest


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


class Phase10AHGuardrails(unittest.TestCase):
    @classmethod
    def setUpClass(cls) -> None:
        cls.data = json.loads((ROOT / "manifests/retroarch/phase-1.0ah-dynamic-contract.json").read_text(encoding="utf-8"))

    def test_relocation_split_is_exact(self) -> None:
        contract = self.data["contract"]
        self.assertEqual(contract["loader_applied_relocation_types"],
                         ["R_X86_64_RELATIVE"])
        self.assertEqual(contract["crt_applied_relocation_types"],
                         ["R_X86_64_GLOB_DAT"])
        self.assertFalse(contract["unknown_relocation_types_allowed"])

    def test_historical_metadata_is_not_byte_evidence(self) -> None:
        reference = self.data["historical_phase10m_reference"]
        self.assertFalse(reference["exact_bytes_present"])
        self.assertFalse(reference["validated_by_phase10ah"])

    def test_no_mapping_or_authority(self) -> None:
        self.assertFalse(any(self.data["authorizations"].values()))
        self.assertFalse(self.data["decision"]["target_mapping_allowed"])
        self.assertFalse(self.data["decision"]["target_implementation_allowed"])
        self.assertFalse(self.data["decision"]["device_action_allowed"])


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