using System.Linq;
using Xunit;
using ytLive.Models;
using ytLive.ViewModels;

namespace ytLive.Tests;

/// <summary>The scoreboard is a LAYER, not a special widget: it must appear as a source type, carry
/// the full-width strip geometry, be resolvable on the output path like a chat box, and hook the
/// session lifecycle so its numbers are session-scoped.</summary>
public class ScoreboardLayerTests
{
    [Fact]
    public void The_scoreboard_is_a_real_source_with_strip_geometry_and_a_resolver()
    {
        Assert.Contains("Scoreboard", System.Enum.GetNames<SourceType>());

        // Geometry: full width, a strip's height, bottom by default.
        var sources = SourceAssert.Text("ViewModels", "MainViewModel.Sources.cs");
        Assert.Contains("SourceType.Scoreboard ? 1920", sources);
        Assert.Contains("SourceType.Scoreboard ? 56", sources);
        Assert.Contains("SourceType.Scoreboard ? 1024", sources);

        // The output resolver knows how to produce its frame (same shape as the chat box/alert box).
        var resolver = SourceAssert.Text("ViewModels", "MainViewModel.cs");
        Assert.Contains("Source { Type: SourceType.Scoreboard } => _scoreboardPresenter?.Frame", resolver);

        // The PREVIEW must show the strip: its frame is a runtime frame-source and its Image needs
        // the visibility trigger. Missing either made every property change look inert (2026-10-30).
        var source = SourceAssert.Text("Models", "Source.cs");
        Assert.Contains("or SourceType.AlertBox or SourceType.Scoreboard", source);
        Assert.Contains("IsScoreboard", SourceAssert.Text("Controls", "PreviewPane.xaml"));

        // Session lifecycle: every start clears the tallies.
        var ops = SourceAssert.Text("ViewModels", "MainViewModel.Streaming.Operations.cs");
        Assert.Contains("StartScoreboardSession();", ops);
    }
}