using Xunit;
using ytLive.Models;
using ytLive.ViewModels;

namespace ytLive.Tests;

/// <summary>DEBUG-only affordance (creator 2026-10-30): push sample events so the strip is provable
/// in the PREVIEW before a real stream. The sample must travel the real recorder, so what it paints
/// is what live events paint — a fake renderer would prove nothing.</summary>
public class ScoreboardSimulationTests
{
    [Fact]
    public void The_dev_sample_feeds_the_real_recorder_and_the_toggle_is_debug_only()
    {
        // The sample goes through the recorder a stream uses, and lands all four tallies.
        var recorder = new ScoreboardRecorder();
        ScoreboardSample.Inject(recorder);

        Assert.True(recorder.IsRunning);
        var state = recorder.State;
        Assert.Equal(4, state.NewMembers);          // 1 paid + a gift of 3
        Assert.Equal(3, state.LastGiftCount);
        Assert.Equal("giftgiver", state.LastGifterName);
        Assert.Equal(1, state.MilestoneCount);
        Assert.Equal(12.34, state.SessionTotal.Total, 2);
        Assert.Equal("$12.34", state.LastSuperChatDisplay);

        // A toggle OFF clears back to an empty session (so the empty state is visible too).
        recorder.StartSession();
        Assert.Equal(0, recorder.State.NewMembers);

        // The control exists and is gated on the build, not on a runtime flag.
        var panel = SourceAssert.Text("Controls", "LeftPanel.xaml");
        Assert.Contains("ScoreboardSimulate", panel);
        Assert.Contains("IsDevelopmentBuild", panel);

        var type = typeof(MainViewModel);
        Assert.NotNull(type.GetProperty("ScoreboardSimulate"));
        Assert.NotNull(type.GetProperty("IsDevelopmentBuild"));
        // DEBUG-gated at compile time, so a Release build has no dev control at all.
        var vmSource = SourceAssert.Text("ViewModels", "MainViewModel.Scoreboard.cs");
        Assert.Contains("#if DEBUG", vmSource);
        Assert.Contains("private const bool DevelopmentBuild = true;", vmSource);
        Assert.Contains("private const bool DevelopmentBuild = false;", vmSource);
    }
}