import importlib
import importlib.util
import os
import sys
import unittest

sys.path.insert(0, os.path.dirname(__file__))

from _helpers import REPO_ROOT

if str(REPO_ROOT) not in sys.path:
    sys.path.insert(0, str(REPO_ROOT))


def import_or_skip(module_name):
    if importlib.util.find_spec(module_name) is None:
        raise unittest.SkipTest(f"{module_name} 尚未实现")
    return importlib.import_module(module_name)


class PendingModuleContractTests(unittest.TestCase):
    def test_excel_contract_when_module_exists(self):
        excel = import_or_skip("app.excel")
        for name in ("import_tasks", "match_summary", "write_back", "export_copy"):
            self.assertTrue(callable(getattr(excel, name, None)), name)

    def test_prompts_contract_when_module_exists(self):
        prompts = import_or_skip("app.prompts")
        for name in (
            "load_title_prompt",
            "save_title_prompt",
            "list_cover_templates",
            "load_cover_template",
            "save_cover_template",
            "rename_cover_template",
            "delete_cover_template",
            "render_prompt",
        ):
            self.assertTrue(callable(getattr(prompts, name, None)), name)


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