using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnitTestSharp;
using System.Reflection;

namespace Glass.UnitTests
{
    public class SpriteSheetAttributeTests : TestFixture
    {
        public void Ctor()
        {
            var attribute = new SpriteSheetAttribute(3, 4, 5, "foo");
            CheckEqual(3, attribute.SpriteSize.X);
            CheckEqual(4, attribute.SpriteSize.Y);
            CheckEqual(5, attribute.BorderSize);
            CheckEqual("foo", attribute.SpriteSheetSource);
        }

        public class InitializeTestType : TestFixture
        {
            [SpriteSheet(3, 4, 5, "foo")]
            public static class TestClass
            {
                public static ThreeWideMaterial testMaterial = new ThreeWideMaterial
                {
                    Materials = new [] {
                        new SpriteMaterial(new Point(7, 11)),
                        new SpriteMaterial(new Point(8, 10)),
                        new SpriteMaterial(new Point(9, 9)),
                    },
                };
            }

            public void Basic()
            {
                SpriteSheetAttribute.Initialize(typeof(TestClass));
                SpriteSheetAttribute attribute = typeof(TestClass).GetCustomAttribute<SpriteSheetAttribute>();
                CheckEqual(attribute, ((SpriteMaterial)TestClass.testMaterial.LeftMaterial).SpriteSheet);
                CheckEqual(attribute, ((SpriteMaterial)TestClass.testMaterial.CenterMaterial).SpriteSheet);
                CheckEqual(attribute, ((SpriteMaterial)TestClass.testMaterial.RightMaterial).SpriteSheet);
            }

            public void NullAttribute()
            {
                CheckThrow(typeof(InvalidOperationException));
                SpriteSheetAttribute.Initialize(typeof(InitializeTestType));
            }

            [SpriteSheet(3, 4, 5, "foo")]
            public class BaseTestClass
            {
                
            }

            public class InheritedTestClass : BaseTestClass { }
            public void SpriteSheetAttributeIsNotInherited()
            {
                CheckThrow(typeof(InvalidOperationException));
                SpriteSheetAttribute.Initialize(typeof(InheritedTestClass));
            }
        }
    }
}