import os
import tempfile
import unittest

from PyQt6.QtCore import QCoreApplication, QSettings

from src.utils.app_settings import AppPreferences, AppSettingsStore


class TestAppSettingsStore(unittest.TestCase):
    @classmethod
    def setUpClass(cls):
        cls._app = QCoreApplication.instance() or QCoreApplication([])

    def _make_store(self, root: str) -> AppSettingsStore:
        settings_path = os.path.join(root, "app_settings.ini")
        settings = QSettings(settings_path, QSettings.Format.IniFormat)
        settings.clear()
        settings.sync()
        return AppSettingsStore(settings)

    def test_defaults(self):
        with tempfile.TemporaryDirectory() as tmp:
            store = self._make_store(tmp)
            prefs = store.load()
            self.assertTrue(prefs.reopen_last_project)
            self.assertTrue(prefs.restore_unsaved_tabs)
            self.assertFalse(prefs.word_wrap_default)
            self.assertTrue(prefs.show_left_sidebar)
            self.assertTrue(prefs.show_right_sidebar)
            self.assertEqual("", prefs.last_project_file)
            self.assertIsNone(prefs.window_geometry)
            self.assertIsNone(prefs.splitter_sizes)

    def test_round_trip(self):
        with tempfile.TemporaryDirectory() as tmp:
            store = self._make_store(tmp)
            original = AppPreferences(
                reopen_last_project=False,
                restore_unsaved_tabs=False,
                word_wrap_default=True,
                show_left_sidebar=False,
                show_right_sidebar=True,
                last_project_file="C:/demo/.lyricproject",
                window_geometry=b"\x01\x02\x03",
                splitter_sizes=[111, 777, 222, 333],
            )
            store.save(original)
            loaded = store.load()
            self.assertEqual(original, loaded)


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