"""Tests for the configuration model."""

import pytest
from pydantic import ValidationError

from vibe_coded_mcp_desktop_control.config import DesktopControlConfig


def test_default_config() -> None:
    """A default config should have no delay and no layout override."""
    cfg = DesktopControlConfig()
    assert cfg.pre_action_delay_ms == 0
    assert cfg.keyboard_layout is None


def test_custom_config() -> None:
    """Config values should be accepted and stored."""
    cfg = DesktopControlConfig(pre_action_delay_ms=100, keyboard_layout="si")
    assert cfg.pre_action_delay_ms == 100
    assert cfg.keyboard_layout == "si"


def test_negative_delay_rejected() -> None:
    """A negative pre-action delay should fail validation."""
    with pytest.raises(ValidationError):
        DesktopControlConfig(pre_action_delay_ms=-1)