import importlib.util
from pathlib import Path
import unittest


def load_module(module_name: str, path: Path):
    spec = importlib.util.spec_from_file_location(module_name, path)
    module = importlib.util.module_from_spec(spec)
    assert spec.loader is not None
    spec.loader.exec_module(module)
    return module


REPO_ROOT = Path(__file__).resolve().parents[1]
MODULE = load_module(
    "check_doc_code_sync",
    REPO_ROOT / "scripts" / "check_doc_code_sync.py",
)


class DocCodeSyncAssessmentTests(unittest.TestCase):
    def test_classifies_python_scripts_as_code(self):
        self.assertEqual(MODULE.classify("scripts/check_doc_code_sync.py"), "code")

    def test_classifies_app_paths_as_code(self):
        self.assertEqual(MODULE.classify("apps/web/package.json"), "code")

    def test_classifies_spec_files_under_test_directories_as_tests(self):
        self.assertEqual(
            MODULE.classify("apps/worker/test/mongo-worker-runtime.spec.ts"),
            "tests",
        )

    def test_classifies_markdown_plan_files_as_docs(self):
        self.assertEqual(
            MODULE.classify("docs/plans/2026-03-26-emboflow-v1-foundation-and-mvp.md"),
            "docs",
        )

    def test_classifies_env_example_as_config(self):
        self.assertEqual(MODULE.classify(".env.example"), "config")

    def test_extract_status_paths_preserves_first_character(self):
        self.assertEqual(
            MODULE.extract_status_paths([" M apps/api/package.json"]),
            ["apps/api/package.json"],
        )

    def test_strict_mode_blocks_code_without_doc_updates(self):
        assessment = MODULE.assess_changes(
            docs=[],
            code=["src/app.ts"],
            tests=[],
            config=[],
            other=[],
            strict=True,
        )
        self.assertTrue(assessment["blocking"])

    def test_doc_and_code_changes_together_do_not_block(self):
        assessment = MODULE.assess_changes(
            docs=["design/02-architecture/system-architecture.md"],
            code=["src/app.ts"],
            tests=[],
            config=[],
            other=[],
            strict=True,
        )
        self.assertFalse(assessment["blocking"])


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