import importlib.util
from pathlib import Path
import unittest
from unittest.mock import patch


MODULE_PATH = Path(__file__).resolve().parents[1] / "main.py"
spec = importlib.util.spec_from_file_location("toreadeck_main", MODULE_PATH)
main = importlib.util.module_from_spec(spec)
spec.loader.exec_module(main)


class LocalLibraryTests(unittest.TestCase):
    def test_default_config_has_reader_directory(self):
        with patch.object(main, "CONFIG_FILE", "missing-config.json"):
            config = main.load_config()
        self.assertEqual(config["reader_directory"], str(Path(main.BASE_DIR) / "pages"))

    def test_library_lists_files_without_loading_their_contents(self):
        from tempfile import TemporaryDirectory
        with TemporaryDirectory() as directory:
            path = Path(directory)
            (path / "note.txt").write_text("Очень большой текст файла", encoding="utf-8")
            with patch.object(main, "load_config", return_value={"reader_directory": str(path)}):
                response = main.reader_window()
        body = response.body.decode("utf-8")
        self.assertEqual(response.status_code, 200)
        self.assertIn("Локальная библиотека", body)
        self.assertIn("note.txt", body)
        self.assertIn("Открыть", body)
        self.assertNotIn("Очень большой текст файла", body)
        self.assertNotIn("<textarea", body)

    def test_reader_page_displays_file_and_can_send_it_to_importer(self):
        from tempfile import TemporaryDirectory
        with TemporaryDirectory() as directory:
            path = Path(directory)
            (path / "note.txt").write_text("Текст заметки", encoding="utf-8")
            with patch.object(main, "load_config", return_value={"reader_directory": str(path)}):
                response = main.reader_file("note.txt")
        body = response.body.decode("utf-8")
        self.assertEqual(response.status_code, 200)
        self.assertIn("Текст заметки", body)
        self.assertIn("Отправить в Readeck", body)
        self.assertIn("window.opener.postMessage", body)
        self.assertNotIn("<textarea", body)


class ApplicationDesignTests(unittest.TestCase):
    def test_main_ui_uses_the_calm_workspace_design_system(self):
        page = main.HTML_TEMPLATE
        self.assertIn("--workspace", page)
        self.assertIn("--surface", page)
        self.assertIn(".app-shell", page)
        self.assertIn(".workspace-card", page)
        self.assertNotIn("background: linear-gradient(135deg, #667eea", page)

    def test_library_and_reader_use_shared_reader_design_tokens(self):
        from tempfile import TemporaryDirectory
        with TemporaryDirectory() as directory:
            path = Path(directory)
            (path / "note.txt").write_text("Текст", encoding="utf-8")
            with patch.object(main, "load_config", return_value={"reader_directory": str(path)}):
                library = main.reader_window().body.decode("utf-8")
                reader = main.reader_file("note.txt").body.decode("utf-8")
        self.assertIn("--workspace", library)
        self.assertIn("--workspace", reader)
        self.assertIn("reader-topbar", reader)


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