namespace FurnitureExporter.Tests
{
    public class PanelFaceSemanticResolverTests
    {
        [Fact]
        public void ResolveSurfaceFaces_ForThroughHole_ReturnsOppositeFaces()
        {
            var faces = PanelFaceSemanticResolver.ResolveSurfaceFaces(
                new BoundingBox3D
                {
                    Min = new[] { 0.0, 0.0, 0.0 },
                    Max = new[] { 18.0, 560.0, 720.0 },
                },
                new[] { 9.0, 280.0, 360.0 },
                new[] { 1.0, 0.0, 0.0 },
                18.0);

            Assert.Contains("left", faces);
            Assert.Contains("right", faces);
        }

        [Fact]
        public void ResolveSurfaceFaces_ForBlindHole_ReturnsSingleExteriorFace()
        {
            var faces = PanelFaceSemanticResolver.ResolveSurfaceFaces(
                new BoundingBox3D
                {
                    Min = new[] { 0.0, 0.0, 0.0 },
                    Max = new[] { 18.0, 560.0, 720.0 },
                },
                new[] { 4.0, 280.0, 360.0 },
                new[] { 1.0, 0.0, 0.0 },
                8.0);

            Assert.Single(faces);
            Assert.Equal("left", faces[0]);
        }

        [Fact]
        public void ResolveSurfaceFaces_ForTopBottomThroughHole_ReturnsTopAndBottom()
        {
            var faces = PanelFaceSemanticResolver.ResolveSurfaceFaces(
                new BoundingBox3D
                {
                    Min = new[] { 0.0, 0.0, 0.0 },
                    Max = new[] { 600.0, 720.0, 18.0 },
                },
                new[] { 300.0, 360.0, 9.0 },
                new[] { 0.0, 0.0, 1.0 },
                18.0);

            Assert.Contains("top", faces);
            Assert.Contains("bottom", faces);
        }

        [Fact]
        public void ResolveSurfaceFaces_ForSideBlindHole_PrefersSingleSideFace()
        {
            var faces = PanelFaceSemanticResolver.ResolveSurfaceFaces(
                new BoundingBox3D
                {
                    Min = new[] { 0.0, 0.0, 0.0 },
                    Max = new[] { 600.0, 18.0, 720.0 },
                },
                new[] { 300.0, 4.0, 360.0 },
                new[] { 0.0, 1.0, 0.0 },
                8.0);

            Assert.Single(faces);
            Assert.Equal("front", faces[0]);
        }
    }
}