namespace Nodebox.Nodes;

[Register]
[Tag("Math", "Operator")]
[Alias("-")]
[Polymorphic(true)]
public class Subtract : Node
{
    public override (Pin[] In, Pin[] Out) InitialPins => (
        new Pin[] {
            Pin.New<Polymorphic>("A"),
            Pin.New<Polymorphic>("B"),
        },
        
        new Pin[] {
            Pin.New<Polymorphic>("A - B")
        }
    );

	public override Node Polymorph(PinWireChange change) =>
        PolymorphHelpers.ToConnectedTypeIfRegistered(typeof(Subtract<>), change);
}


[Register(typeof(Library.FloatN))]
[Register(typeof(Library.IntegerN))]
[Register(typeof(Library.IntegerUnsigned))]
[Register(typeof(Angles))]
[Register(typeof(Color))]
[Polymorphic(typeof(Subtract))]
public class Subtract<T> : Subtract
{
    public override (Pin[] In, Pin[] Out) InitialPins => base.InitialPins.SubstitutePolymorphic<T>();

    public override void Evaluate() {
        var t = typeof(T);
        
        if (t == typeof(float)) { SetOutput(0, GetInput<float>(0) - GetInput<float>(1)); return; }
        if (t == typeof(double)) { SetOutput(0, GetInput<double>(0) - GetInput<double>(1)); return; }
        if (t == typeof(Vector2)) { SetOutput(0, GetInput<Vector2>(0) - GetInput<Vector2>(1)); return; }
        if (t == typeof(Vector3)) { SetOutput(0, GetInput<Vector3>(0) - GetInput<Vector3>(1)); return; }
        if (t == typeof(Vector4)) { SetOutput(0, GetInput<Vector4>(0) - GetInput<Vector4>(1)); return; }

        if (t == typeof(int)) { SetOutput(0, GetInput<int>(0) - GetInput<int>(1)); return; }
        if (t == typeof(long)) { SetOutput(0, GetInput<long>(0) - GetInput<long>(1)); return; }
        if (t == typeof(Vector2Int)) { SetOutput(0, GetInput<Vector2Int>(0) - GetInput<Vector2Int>(1)); return; }
        if (t == typeof(Vector3Int)) { SetOutput(0, GetInput<Vector3Int>(0) - GetInput<Vector3Int>(1)); return; }

        if (t == typeof(byte)) { SetOutput(0, GetInput<byte>(0) - GetInput<byte>(1)); return; }
        if (t == typeof(char)) { SetOutput(0, GetInput<char>(0) - GetInput<char>(1)); return; }
        
        if (t == typeof(Angles)) { SetOutput(0, GetInput<Angles>(0) - GetInput<Angles>(1)); return; }
        if (t == typeof(Color)) { SetOutput(0, GetInput<Color>(0) - GetInput<Color>(1)); return; }
    }

    public override Node Polymorph(PinWireChange change) =>
        PolymorphHelpers.ToNonGenericIfAllDisconnected<Subtract>(change);

}