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

namespace Marathon.UI.Tests.Components;

public sealed class AnomalyCardTests : MarathonTestContext
{
    [Fact]
    public void Renders_event_title_severity_pill_and_kind_kicker()
    {
        var item = FakeAnomalyBrowsingService.MakeItem(
            title: "Lakers vs Bulls",
            score: 0.72m);

        var cut = RenderComponent<AnomalyCard>(p => p.Add(c => c.Item, item));

        cut.Markup.Should().Contain("Lakers vs Bulls");
        cut.Find("[data-test=severity-badge]").GetAttribute("class").Should().Contain("m-severity--high");
        cut.Markup.Should().Contain("Anomaly.Kind.SuspensionFlip");
    }

    [Fact]
    public void Card_uses_high_severity_left_border_class()
    {
        var item = FakeAnomalyBrowsingService.MakeItem(score: 0.65m);
        var cut = RenderComponent<AnomalyCard>(p => p.Add(c => c.Item, item));

        var card = cut.Find("[data-test=anomaly-card]");
        card.GetAttribute("class").Should().Contain("m-anomaly-card--high");
    }

    [Fact]
    public void Card_uses_low_severity_left_border_class()
    {
        var item = FakeAnomalyBrowsingService.MakeItem(score: 0.32m);
        var cut = RenderComponent<AnomalyCard>(p => p.Add(c => c.Item, item));

        var card = cut.Find("[data-test=anomaly-card]");
        card.GetAttribute("class").Should().Contain("m-anomaly-card--low");
    }

    [Fact]
    public void Click_invokes_callback_with_item()
    {
        var item = FakeAnomalyBrowsingService.MakeItem();
        AnomalyListItem? clicked = null;
        var cut = RenderComponent<AnomalyCard>(p => p
            .Add(c => c.Item, item)
            .Add(c => c.OnClick, EventCallback.Factory.Create<AnomalyListItem>(this, x => clicked = x)));

        cut.Find("[data-test=anomaly-card]").Click();

        clicked.Should().NotBeNull();
        clicked!.Id.Should().Be(item.Id);
    }

    [Fact]
    public void Two_way_card_omits_draw_strip_cell()
    {
        var item = FakeAnomalyBrowsingService.MakeItem(isTwoWay: true);
        var cut = RenderComponent<AnomalyCard>(p => p.Add(c => c.Item, item));

        // Strip should mention Win1 + Win2 only — not Draw.
        cut.Markup.Should().Contain("Detail.Chart.Win1");
        cut.Markup.Should().Contain("Detail.Chart.Win2");
        cut.Markup.Should().NotContain("Detail.Chart.Draw");
    }

    [Fact]
    public void Three_way_card_renders_draw_strip_cell()
    {
        var item = FakeAnomalyBrowsingService.MakeItem(
            isTwoWay: false,
            preDraw: 3.30m,
            postDraw: 3.20m);

        var cut = RenderComponent<AnomalyCard>(p => p.Add(c => c.Item, item));

        cut.Markup.Should().Contain("Detail.Chart.Draw");
    }
}