using System.Collections.Generic;
using System.Numerics;
using AcDream.App.Rendering.Wb;
using AcDream.Core.Meshing;
using Xunit;

namespace AcDream.Core.Tests.Rendering.Wb;

public class EntityClassificationCacheTests
{
    [Fact]
    public void TryGet_EmptyCache_ReturnsFalse()
    {
        var cache = new EntityClassificationCache();
        bool found = cache.TryGet(entityId: 42, out var entry);
        Assert.False(found);
        Assert.Null(entry);
    }

    private static CachedBatch MakeCachedBatch(
        uint ibo, uint firstIndex, int indexCount, ulong texHandle)
    {
        var key = new GroupKey(
            Ibo: ibo,
            FirstIndex: firstIndex,
            BaseVertex: 0,
            IndexCount: indexCount,
            BindlessTextureHandle: texHandle,
            TextureLayer: 0,
            Translucency: TranslucencyKind.Opaque);
        return new CachedBatch(key, texHandle, Matrix4x4.Identity);
    }
}