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

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 Phase10AVGuardrails(unittest.TestCase):
    @classmethod
    def setUpClass(cls) -> None:
        path = ROOT / "manifests/retroarch/phase-1.0av-launch-context-canary-contract.json"
        cls.data = json.loads(path.read_text(encoding="utf-8"))

    def test_pair_is_exact_and_independently_authorized(self) -> None:
        pair = self.data["pair_contract"]
        self.assertTrue(pair["same_payload_sha256_required"])
        self.assertTrue(pair["distinct_launcher_sha256_required"])
        self.assertTrue(pair["distinct_run_id_required"])
        self.assertTrue(pair["distinct_approval_sha256_required"])
        self.assertTrue(pair["one_shot_each"])
        self.assertFalse(pair["automatic_retry"])

    def test_terminal_and_interpretation_fail_closed(self) -> None:
        result = self.data["result_contract"]
        limits = self.data["interpretation_limits"]
        self.assertTrue(result["submit_before_d04_required"])
        self.assertTrue(result["distinct_terminal_after_d04_required"])
        self.assertTrue(result["incomplete_arm_is_not_comparable"])
        self.assertTrue(limits["submit_return_difference_is_candidate_only"])
        self.assertFalse(limits["submit_zero_means_visible_flip"])
        self.assertFalse(limits["launch_context_root_cause_proven"])

    def test_no_artifact_target_or_authority(self) -> None:
        state = self.data["tracked_state"]
        self.assertFalse(state["target_source_present"])
        self.assertFalse(state["target_artifact_present"])
        self.assertFalse(state["execution_eligible"])
        self.assertFalse(any(self.data["authorizations"].values()))
        self.assertFalse(self.data["decision"]["target_implementation_allowed"])
        self.assertFalse(self.data["decision"]["device_action_allowed"])


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