#!/usr/bin/env python3
"""Contract test for React FE-M1 build evidence."""

from __future__ import annotations

import hashlib
import json
import unittest
from pathlib import Path

import generate_react_frontend_m1


ROOT = Path(__file__).resolve().parents[1]
REPORT = ROOT / "coverage/react-frontend-m1.report.json"


class ReactFrontendM1Tests(unittest.TestCase):
    def test_contract(self) -> None:
        report = json.loads(REPORT.read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "react-frontend-m1-report.v1")
        self.assertEqual(report["status"], "verified")
        self.assertEqual(report["implementation_status"], "verified")
        self.assertEqual(report["checks"]["worker_authority"]["status"], "verified")
        self.assertEqual(report["checks"]["opfs_boundary"]["status"], "verified")
        self.assertEqual(report["checks"]["three_viewer"]["status"], "verified")

    def test_self_hash(self) -> None:
        report = json.loads(REPORT.read_text(encoding="utf-8"))
        unsigned = {key: value for key, value in report.items() if key != "report_sha256"}
        self.assertEqual(report["report_sha256"], hashlib.sha256(generate_react_frontend_m1.canonical(unsigned).encode()).hexdigest())


if __name__ == "__main__":
    unittest.main()