import sys
import unittest
from pathlib import Path
from unittest.mock import MagicMock, patch

ROOT = Path(__file__).resolve().parents[1]
SRC = ROOT / "src"
if str(SRC) not in sys.path:
    sys.path.insert(0, str(SRC))

from desktop_x11 import X11Adapter


class DesktopX11Tests(unittest.TestCase):
    def _adapter(self) -> X11Adapter:
        return object.__new__(X11Adapter)

    @patch("desktop_x11.display.Display")
    def test_paste_clipboard_closes_display_on_success(self, display_cls):
        adapter = self._adapter()
        display_obj = MagicMock()
        display_cls.return_value = display_obj
        adapter._send_combo = MagicMock()

        adapter._paste_clipboard()

        adapter._send_combo.assert_called_once_with(display_obj, ["Control_L", "Shift_L", "v"])
        display_obj.close.assert_called_once_with()

    @patch("desktop_x11.display.Display")
    def test_paste_clipboard_closes_display_on_send_error(self, display_cls):
        adapter = self._adapter()
        display_obj = MagicMock()
        display_cls.return_value = display_obj
        adapter._send_combo = MagicMock(side_effect=RuntimeError("boom"))

        with self.assertRaisesRegex(RuntimeError, "boom"):
            adapter._paste_clipboard()

        display_obj.close.assert_called_once_with()

    @patch("desktop_x11.display.Display")
    def test_type_text_closes_display_on_success(self, display_cls):
        adapter = self._adapter()
        display_obj = MagicMock()
        display_cls.return_value = display_obj
        adapter._send_combo = MagicMock()
        adapter._keysym_for_char = MagicMock(return_value=(42, False))

        adapter._type_text("a")

        adapter._send_combo.assert_called_once_with(display_obj, [42], already_keysym=True)
        display_obj.close.assert_called_once_with()

    @patch("desktop_x11.display.Display")
    def test_type_text_closes_display_on_send_error(self, display_cls):
        adapter = self._adapter()
        display_obj = MagicMock()
        display_cls.return_value = display_obj
        adapter._send_combo = MagicMock(side_effect=RuntimeError("boom"))
        adapter._keysym_for_char = MagicMock(return_value=(42, False))

        with self.assertRaisesRegex(RuntimeError, "boom"):
            adapter._type_text("a")

        display_obj.close.assert_called_once_with()


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