#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-3.0-or-later
"""Phase-1.0BY exact file-hash fixture guardrails."""

import argparse
import hashlib
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 Phase10BYGuardrails(unittest.TestCase):
    @classmethod
    def setUpClass(cls) -> None:
        cls.data = json.loads((root / "manifests/retroarch/phase-1.0by-windows-git-stage-fixture-failure-and-file-hash-gate.json").read_text(encoding="utf-8"))

    def test_parent_and_consumed_fixture(self) -> None:
        parent = root / "manifests/retroarch/phase-1.0bx-changed-files-timeout-and-read-only-fixture-gate.json"
        self.assertEqual(hashlib.sha256(parent.read_bytes()).hexdigest(), self.data["source_bindings"]["phase10bx_manifest_sha256"])
        result = self.data["consumed_fixture"]
        self.assertEqual(result["attempts"], 1)
        self.assertEqual(result["exit_code"], 1)
        self.assertEqual(result["failure"], "fatal: not a git repository: (NULL)")
        for key in ("stage_mutated", "cleanup_invoked", "cmake_invoked",
                    "sdl_build_invoked", "device_action_invoked"):
            self.assertFalse(result[key], key)

    def test_fixture_is_four_exact_files_only(self) -> None:
        fixture = self.data["file_hash_fixture"]
        self.assertEqual(fixture["attempts_authorized"], 1)
        self.assertEqual(len(fixture["sha256_paths"]), 4)
        self.assertTrue(fixture["read_git_indirection"])
        self.assertFalse(fixture["directory_enumeration_authorized"])
        self.assertFalse(fixture["git_invocation_authorized"])
        self.assertFalse(fixture["automatic_retry"])

    def test_only_file_hash_fixture_is_open(self) -> None:
        auth = self.data["authorizations"]
        self.assertTrue(auth["exact_file_hash_fixture_authorized"])
        for key, value in auth.items():
            if key != "exact_file_hash_fixture_authorized":
                self.assertFalse(value, key)
        self.assertFalse(self.data["decision"]["cleanup_allowed"])
        self.assertFalse(self.data["decision"]["materialization_allowed"])


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