using Annulus;
using Azimuth;
using UnitTestSharp;

namespace Glass.UnitTests
{
    public class NumberFieldMaterialTests : TestFixture
    {
        public static ButtonMaterial FixedSizeButton(Scalar width, Scalar height)
        {
            return new ButtonMaterial(new ButtonMaterialTests.FixedSizeMaterial(new Vector(width, height)));
        }

        public class ButtonColumnWidthTests : TestFixture
        {
            public void TheWiderButtonSetsIt()
            {
                var material = new NumberFieldMaterial
                {
                    IncrementButton = FixedSizeButton(10, 5),
                    DecrementButton = FixedSizeButton(14, 5),
                };

                CheckEqual(14, material.ButtonColumnWidth);
            }

            public void NoButtonMaterials_IsZero()
            {
                CheckEqual(0, new NumberFieldMaterial().ButtonColumnWidth);
            }
        }

        public class BoundsSizeForTests : TestFixture
        {
            private static readonly NumberFieldMaterial TenByTwentyButtons = new NumberFieldMaterial
            {
                IncrementButton = FixedSizeButton(10, 20),
                DecrementButton = FixedSizeButton(10, 20),
            };

            public void AddsTheButtonColumnBesideTheLabel()
            {
                CheckEqual(70, TenByTwentyButtons.BoundsSizeFor(new Vector(60, 50)).X);
            }

            public void LabelTallerThanTheStackedButtons_SetsTheHeight()
            {
                CheckEqual(50, TenByTwentyButtons.BoundsSizeFor(new Vector(60, 50)).Y);
            }

            public void StackedButtonsTallerThanTheLabel_SetTheHeight()
            {
                CheckEqual(40, TenByTwentyButtons.BoundsSizeFor(new Vector(60, 30)).Y);
            }

            public void Background_AddsItsBorder()
            {
                NumberFieldMaterial material = TenByTwentyButtons;
                material.Background = new Material { BorderSize = new Rect.BorderSize(3) };

                CheckEqual(new Vector(76, 56), material.BoundsSizeFor(new Vector(60, 50)));
            }
        }
    }
}