using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using ClaudeDo.Ui.Services;
using ClaudeDo.Ui.ViewModels.MissionControl;
using Xunit;

namespace ClaudeDo.Ui.Tests;

public class MissionControlViewModelTests
{
    [Fact]
    public void DeferredHandoffUpdatesConPtyPaneTitleWithResetTime()
    {
        var taskId = Guid.NewGuid().ToString();
        var title = "Test Handler";
        var dueAt = new DateTimeOffset(2026, 9, 10, 14, 30, 0, TimeSpan.Zero);

        var pane = new ConPtyPaneViewModel(taskId, title, () => Task.FromResult(
            new TerminalLaunchDescriptor(".", "claude", Array.Empty<string>(), new Dictionary<string, string>())));

        var originalTitle = pane.DisplayTitle;

        // Simulate the update that would happen on HandlerHandoffDeferredEvent
        var suffix = $"waiting for limit reset ({dueAt.LocalDateTime:HH:mm})";
        pane.DisplayTitle += $" — {suffix}";

        Assert.NotEqual(originalTitle, pane.DisplayTitle);
        Assert.Contains("waiting for limit reset", pane.DisplayTitle);
        Assert.Contains(dueAt.LocalDateTime.ToString("HH:mm"), pane.DisplayTitle);
    }
}