"""Regression tests for keybinding API compatibility."""

from __future__ import annotations

import pytest

from cthulhu import keybindings


class DummyHandler:
    description = "dummy handler"


@pytest.mark.unit
def test_keybinding_accepts_lightweight_command_manager_form():
    binding = keybindings.KeyBinding("KP_Divide", keybindings.CTHULHU_MODIFIER_MASK)

    assert binding.keysymstring == "KP_Divide"
    assert binding.modifier_mask == keybindings.defaultModifierMask
    assert binding.modifiers == keybindings.CTHULHU_MODIFIER_MASK
    assert binding.handler is None
    assert binding.click_count == 1


@pytest.mark.unit
def test_keybinding_accepts_lightweight_positional_click_count():
    binding = keybindings.KeyBinding("a", keybindings.CTHULHU_MODIFIER_MASK, 2)

    assert binding.modifier_mask == keybindings.defaultModifierMask
    assert binding.modifiers == keybindings.CTHULHU_MODIFIER_MASK
    assert binding.click_count == 2


@pytest.mark.unit
def test_keybinding_preserves_legacy_handler_form():
    handler = DummyHandler()

    binding = keybindings.KeyBinding(
        "b",
        keybindings.defaultModifierMask,
        keybindings.CTHULHU_SHIFT_MODIFIER_MASK,
        handler,
        3,
    )

    assert binding.modifier_mask == keybindings.defaultModifierMask
    assert binding.modifiers == keybindings.CTHULHU_SHIFT_MODIFIER_MASK
    assert binding.handler is handler
    assert binding.click_count == 3


@pytest.mark.unit
def test_keybinding_exposes_command_manager_helpers():
    binding = keybindings.KeyBinding("c", keybindings.CTHULHU_MODIFIER_MASK)

    assert keybindings.get_modifier_names is keybindings.getModifierNames
    assert keybindings.CTHULHU_ALT_SHIFT_MODIFIER_MASK == (
        keybindings.CTHULHU_MODIFIER_MASK
        | keybindings.ALT_MODIFIER_MASK
        | keybindings.SHIFT_MODIFIER_MASK
    )
    binding.set_grab_ids([42])
    assert binding.get_grab_ids() == [42]


@pytest.mark.unit
def test_keybinding_add_grabs_accepts_explicit_cthulhu_modifiers(monkeypatch):
    binding = keybindings.KeyBinding("d", keybindings.CTHULHU_MODIFIER_MASK)
    captured = {}

    class FakeInputEventManager:
        def add_grabs_for_keybinding(self, grab_binding, cthulhu_modifiers):
            captured["binding"] = grab_binding
            captured["cthulhu_modifiers"] = cthulhu_modifiers
            return [7]

    from cthulhu import input_event_manager

    monkeypatch.setattr(
        input_event_manager,
        "get_manager",
        lambda: FakeInputEventManager(),
    )

    binding.add_grabs(["Insert"])

    assert captured == {"binding": binding, "cthulhu_modifiers": ["Insert"]}
    assert binding.get_grab_ids() == [7]