using System;
using System.IO;
using Microsoft.Data.Sqlite;
using Xunit;
using ytLive.Models;
using ytLive.Services;

namespace ytLive.Tests;

/// <summary>
/// The layout DB is a full rewrite on every save (DELETE all scenes/sources,
/// re-insert from memory). This guards the round trip: sources the user deletes
/// in the UI must not come back after a save + reload.
/// </summary>
public class LayoutStorePersistenceTests
{
    [Fact]
    public void Deleted_Webcam_Source_Does_Not_Return_After_Save_And_Reload()
    {
        var path = Path.Combine(Path.GetTempPath(), $"ytLlive-layout-{Guid.NewGuid():N}.db");
        try
        {
            using var store = new LayoutStore(path);
            var scene = new Scene { Name = "Starting" };
            scene.Sources.Add(new Source
            {
                Name = "Webcam",
                Type = SourceType.Webcam,
                DeviceId = "real-device",
                Width = 480,
                Height = 270,
            });
            store.Save(new[] { scene });

            var reloaded = store.Load();
            Assert.Single(reloaded[0].Sources);

            reloaded[0].Sources.RemoveAt(0);
            store.Save(reloaded);

            var afterDelete = store.Load();
            Assert.Empty(afterDelete[0].Sources);
        }
        finally
        {
            SqliteConnection.ClearAllPools();
            try { File.Delete(path); } catch { /* best-effort cleanup */ }
        }
    }
}