using System;
using Clave;
using UnitTestSharp;

namespace Blacklight.Core.UnitTests
{
    public class XInputPadsTests : TestFixture
    {
        public class ToKeysTests : TestFixture
        {
            public void NoButtons_IsNoKeys()
            {
                CheckEqual(default(KeyState), XInputPads.ToKeys(0));
            }

            public void FaceButtons_MapToTheirKeys()
            {
                CheckEqual(new KeyState(KeyCode.GamepadA, KeyCode.GamepadB, KeyCode.GamepadX, KeyCode.GamepadY),
                    XInputPads.ToKeys(0xF000));
            }

            public void DPad_MapsToTheDPadKeys()
            {
                CheckEqual(new KeyState(KeyCode.GamepadDPadUp, KeyCode.GamepadDPadDown, KeyCode.GamepadDPadLeft,
                    KeyCode.GamepadDPadRight), XInputPads.ToKeys(0x000F));
            }

            public void StartBackSticksAndShoulders_MapToTheirKeys()
            {
                CheckEqual(new KeyState(KeyCode.GamepadStart, KeyCode.GamepadBack, KeyCode.GamepadLeftStick,
                    KeyCode.GamepadRightStick, KeyCode.GamepadLeftShoulder, KeyCode.GamepadRightShoulder),
                    XInputPads.ToKeys(0x03F0));
            }

            public void BitsThatAreNotButtons_AreIgnored()
            {
                CheckEqual(default(KeyState), XInputPads.ToKeys(0x0C00));
            }
        }

        public class ReadTests : TestFixture
        {
            public void WrongLength_Throws()
            {
                var pads = new XInputPads();

                CheckThrow(typeof(ArgumentException));
                pads.Read(new KeyState[2]);
            }
        }
    }
}