import importlib.util
from pathlib import Path
import sys
import unittest


_MODULE_PATH = Path(__file__).parents[1] / "app" / "utils" / "api_errors.py"
_SPEC = importlib.util.spec_from_file_location("api_errors_under_test", _MODULE_PATH)
assert _SPEC is not None and _SPEC.loader is not None
_MODULE = importlib.util.module_from_spec(_SPEC)
sys.modules[_SPEC.name] = _MODULE
_SPEC.loader.exec_module(_MODULE)

ApiError = _MODULE.ApiError
internal_error_payload = _MODULE.internal_error_payload


class ApiErrorTests(unittest.TestCase):
    def translator(self, key, **kwargs):
        return f"{key}:{kwargs.get('id', '')}".rstrip(":")

    def test_structured_error_has_code_and_localized_message_only(self):
        error = ApiError(
            code="project_not_found",
            status_code=404,
            message_key="api.projectNotFound",
            params={"id": "demo"},
        )
        payload = error.to_payload(self.translator)
        self.assertEqual(payload, {
            "success": False,
            "error_code": "project_not_found",
            "message": "api.projectNotFound:demo",
        })
        self.assertNotIn("error", payload)
        self.assertNotIn("details", payload)

    def test_internal_error_never_contains_exception_text(self):
        payload = internal_error_payload(self.translator)
        self.assertEqual(payload["success"], False)
        self.assertEqual(payload["error_code"], "internal_error")
        self.assertEqual(payload["message"], "api.internalError")
        self.assertNotIn("Traceback", str(payload))
        self.assertNotIn("secret", str(payload))


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