from __future__ import annotations

import json
import sys
import unittest
from pathlib import Path


REPO_ROOT = Path(__file__).resolve().parents[4]
BACKEND_ROOT = REPO_ROOT / "apps" / "backend"
sys.path.insert(0, str(BACKEND_ROOT))

from src.presentation.main import app  # noqa: E402


class GeneratedContractArtifactsTest(unittest.TestCase):
    def test_openapi_snapshot_matches_backend_openapi(self) -> None:
        snapshot_path = REPO_ROOT / "packages" / "shared" / "openapi.json"
        snapshot = json.loads(snapshot_path.read_text(encoding="utf-8"))

        self.assertEqual(app.openapi(), snapshot)

    def test_typescript_types_are_marked_generated(self) -> None:
        types_path = REPO_ROOT / "packages" / "shared" / "src" / "api-types.ts"
        content = types_path.read_text(encoding="utf-8")

        self.assertTrue(
            content.startswith(
                "// Generated from backend OpenAPI by "
                "scripts/generate_openapi_contracts.py."
            )
        )
        self.assertIn("export type ArticleCreateRequest", content)


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