using Avalonia.Media;
using ClaudeDo.Ui.Converters;
using Xunit;

namespace ClaudeDo.Ui.Tests;

public class ColorBrushConverterTests
{
    private static readonly SolidColorBrush Swatch3 = new(Colors.Red);
    private static readonly SolidColorBrush Fallback = new(Colors.Gray);

    private static object? Lookup(string key) => key switch
    {
        "Swatch3Brush" => Swatch3,
        "FallbackBrush" => Fallback,
        _ => null,
    };

    [Fact]
    public void SwatchKey_ResolvesToTheAppResource()
        => Assert.Same(Swatch3, ColorBrushConverter.Resolve("Swatch3", "FallbackBrush", Lookup));

    [Fact]
    public void Hex_BecomesASolidBrush()
    {
        var brush = Assert.IsType<SolidColorBrush>(ColorBrushConverter.Resolve("#112233", "FallbackBrush", Lookup));
        Assert.Equal(Color.Parse("#112233"), brush.Color);
    }

    [Theory]
    [InlineData(null)]
    [InlineData("")]
    [InlineData("Swatch99")]
    [InlineData("#nothex")]
    public void NullEmptyOrInvalid_FallsBackToTheParameter(string? value)
        => Assert.Same(Fallback, ColorBrushConverter.Resolve(value, "FallbackBrush", Lookup));

    [Fact]
    public void NoFallbackParameter_ReturnsNull()
        => Assert.Null(ColorBrushConverter.Resolve(null, null, Lookup));
}