using Bunit;
using Marathon.UI.Components;
using Marathon.UI.Tests.Support;

namespace Marathon.UI.Tests.Components;

public sealed class OddsCellTests : MarathonTestContext
{
    [Fact]
    public void Formats_decimal_to_two_places()
    {
        var cut = RenderComponent<OddsCell>(p => p.Add(c => c.Rate, 1.8m));
        cut.Find(".m-odds__value").TextContent.Trim().Should().Be("1.80");
    }

    [Fact]
    public void Renders_em_dash_when_rate_is_null()
    {
        var cut = RenderComponent<OddsCell>(p =>
        {
            p.Add(c => c.Rate, (decimal?)null);
            p.Add(c => c.EmptyPlaceholder, "—");
        });
        cut.Find(".m-odds__value").TextContent.Trim().Should().Be("—");
    }

    [Fact]
    public void Marks_up_when_rate_increased()
    {
        var cut = RenderComponent<OddsCell>(p =>
        {
            p.Add(c => c.Rate, 1.95m);
            p.Add(c => c.Previous, 1.85m);
            p.Add(c => c.ShowTrend, true);
        });
        cut.Find(".m-odds").GetAttribute("data-trend").Should().Be("rising");
        cut.Find(".m-odds__delta").TextContent.Should().Contain("▲");
    }

    [Fact]
    public void Marks_down_when_rate_decreased()
    {
        var cut = RenderComponent<OddsCell>(p =>
        {
            p.Add(c => c.Rate, 1.70m);
            p.Add(c => c.Previous, 1.85m);
            p.Add(c => c.ShowTrend, true);
        });
        cut.Find(".m-odds").GetAttribute("data-trend").Should().Be("falling");
        cut.Find(".m-odds__delta").TextContent.Should().Contain("▼");
    }

    [Fact]
    public void Hides_delta_glyph_when_show_trend_false()
    {
        var cut = RenderComponent<OddsCell>(p =>
        {
            p.Add(c => c.Rate, 1.85m);
            p.Add(c => c.ShowTrend, false);
        });
        cut.FindAll(".m-odds__delta").Should().BeEmpty();
    }
}