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

namespace Marathon.UI.Tests.Components;

public sealed class AnomalyEvidenceTests : MarathonTestContext
{
    [Fact]
    public void Renders_two_columns_with_pre_and_post_kickers()
    {
        var pre = FakeAnomalyBrowsingService.MakeSnapshot();
        var post = FakeAnomalyBrowsingService.MakeSnapshot(
            rate1: 4.00m,
            rate2: 1.30m,
            p1: 0.245m,
            p2: 0.755m,
            favourite: AnomalyFavourite.Side2);

        var cut = RenderComponent<AnomalyEvidence>(p => p
            .Add(e => e.Pre, pre)
            .Add(e => e.Post, post)
            .Add(e => e.SuspensionGapSeconds, 90)
            .Add(e => e.IsTwoWay, true));

        cut.Markup.Should().Contain("Anomaly.Evidence.Pre");
        cut.Markup.Should().Contain("Anomaly.Evidence.Post");
        cut.FindAll(".m-evidence__col").Count.Should().Be(2);
    }

    [Fact]
    public void Highlights_favourite_swap_when_sides_differ()
    {
        var pre = FakeAnomalyBrowsingService.MakeSnapshot(favourite: AnomalyFavourite.Side1);
        var post = FakeAnomalyBrowsingService.MakeSnapshot(favourite: AnomalyFavourite.Side2);

        var cut = RenderComponent<AnomalyEvidence>(p => p
            .Add(e => e.Pre, pre)
            .Add(e => e.Post, post)
            .Add(e => e.SuspensionGapSeconds, 90)
            .Add(e => e.IsTwoWay, true));

        cut.FindAll("[data-test=favourite-swap]").Should().NotBeEmpty();
        cut.Markup.Should().Contain("Anomaly.Evidence.FavouriteSwap");
    }

    [Fact]
    public void Hides_favourite_swap_callout_when_favourite_unchanged()
    {
        var pre = FakeAnomalyBrowsingService.MakeSnapshot(favourite: AnomalyFavourite.Side1);
        var post = FakeAnomalyBrowsingService.MakeSnapshot(favourite: AnomalyFavourite.Side1);

        var cut = RenderComponent<AnomalyEvidence>(p => p
            .Add(e => e.Pre, pre)
            .Add(e => e.Post, post)
            .Add(e => e.SuspensionGapSeconds, 90)
            .Add(e => e.IsTwoWay, true));

        cut.FindAll("[data-test=favourite-swap]").Should().BeEmpty();
    }

    [Fact]
    public void Two_way_market_skips_draw_row()
    {
        var pre = FakeAnomalyBrowsingService.MakeSnapshot(rateDraw: null, pDraw: null);
        var post = FakeAnomalyBrowsingService.MakeSnapshot(rateDraw: null, pDraw: null,
            favourite: AnomalyFavourite.Side2);

        var cut = RenderComponent<AnomalyEvidence>(p => p
            .Add(e => e.Pre, pre)
            .Add(e => e.Post, post)
            .Add(e => e.SuspensionGapSeconds, 60)
            .Add(e => e.IsTwoWay, true));

        // 2-way → 4 rows total (2 cols × 2 sides), not 6.
        cut.FindAll(".m-evidence__row").Count.Should().Be(4);
        cut.Markup.Should().NotContain("Detail.Chart.Draw");
    }

    [Fact]
    public void Three_way_market_includes_draw_row_in_each_column()
    {
        var pre = FakeAnomalyBrowsingService.MakeSnapshot(rateDraw: 3.30m, pDraw: 0.30m);
        var post = FakeAnomalyBrowsingService.MakeSnapshot(rateDraw: 3.20m, pDraw: 0.31m,
            favourite: AnomalyFavourite.Draw);

        var cut = RenderComponent<AnomalyEvidence>(p => p
            .Add(e => e.Pre, pre)
            .Add(e => e.Post, post)
            .Add(e => e.SuspensionGapSeconds, 120)
            .Add(e => e.IsTwoWay, false));

        // 3-way → 6 rows total (2 cols × 3 sides).
        cut.FindAll(".m-evidence__row").Count.Should().Be(6);
        cut.Markup.Should().Contain("Detail.Chart.Draw");
    }

    [Fact]
    public void Renders_suspension_duration_label()
    {
        var pre = FakeAnomalyBrowsingService.MakeSnapshot();
        var post = FakeAnomalyBrowsingService.MakeSnapshot(favourite: AnomalyFavourite.Side2);

        var cut = RenderComponent<AnomalyEvidence>(p => p
            .Add(e => e.Pre, pre)
            .Add(e => e.Post, post)
            .Add(e => e.SuspensionGapSeconds, 134)
            .Add(e => e.IsTwoWay, true));

        cut.Markup.Should().Contain("Anomaly.Evidence.SuspensionDuration");
        // 134s -> "2m 14s"
        cut.Markup.Should().Contain("2m 14s");
    }
}