using Azimuth;
using UnitTestSharp;

namespace Glass.UnitTests
{
    public class ProgressBarMaterialTests : TestFixture
    {
        [IgnoreTest]
        private static ButtonMaterialTests.FixedSizeMaterial Sized(Scalar width, Scalar height)
        {
            return new ButtonMaterialTests.FixedSizeMaterial(new Vector(width, height));
        }

        public class PreferredThicknessTests : TestFixture
        {
            public void NoParts_IsZero()
            {
                CheckEqual(0, default(ProgressBarMaterial).PreferredThickness(Orientation.Horizontal));
            }

            public void Horizontal_IsTheHeightOfTheThickerOfEmptyAndFill()
            {
                var material = new ProgressBarMaterial { Empty = Sized(50, 10), Fill = Sized(5, 14) };

                CheckEqual(14, material.PreferredThickness(Orientation.Horizontal));
            }

            public void Vertical_IsTheWidthOfTheThickerOfEmptyAndFill()
            {
                var material = new ProgressBarMaterial { Empty = Sized(12, 50), Fill = Sized(8, 5) };

                CheckEqual(12, material.PreferredThickness(Orientation.Vertical));
            }

            public void BackgroundBorder_WrapsTheTrack()
            {
                var material = new ProgressBarMaterial
                {
                    Background = ButtonMaterialTests.WithBorder(top: 2, bottom: 3, left: 1, right: 6),
                    Fill = Sized(10, 10),
                };

                CheckEqual(15, material.PreferredThickness(Orientation.Horizontal));
                CheckEqual(17, material.PreferredThickness(Orientation.Vertical));
            }

            public void BackgroundOwnPreference_WinsWhenThicker()
            {
                var material = new ProgressBarMaterial { Background = Sized(30, 40), Fill = Sized(10, 10) };

                CheckEqual(40, material.PreferredThickness(Orientation.Horizontal));
            }

            public void PartsThatFillWhateverTheyAreGiven_HaveNoPreference()
            {
                var material = new ProgressBarMaterial
                {
                    Background = new Material(),
                    Empty = new Material(),
                    Fill = new Material(),
                };

                CheckEqual(0, material.PreferredThickness(Orientation.Horizontal));
            }
        }
    }
}