using System;
using System.Collections.ObjectModel;
using System.IO;
using System.Linq;
using Xunit;
using ytLive.Models;
using ytLive.Services;

namespace ytLive.Tests;

/// <summary>
/// The blur column round-trips through SQLite (2026-11-01). This exists because the first cut
/// added `BlurAmount` to the INSERT and the reader but not to the SELECT — the app then crashed on
/// launch inside `GetOrdinal("BlurAmount")`, which is a startup path no other test covers.
/// </summary>
public class LayoutBlurPersistenceTests
{
    [Fact]
    public void A_blur_layer_survives_a_save_and_reload_with_its_amount()
    {
        var dbPath = Path.Combine(Path.GetTempPath(), $"llamacasty-blur-{Guid.NewGuid():N}.db");
        try
        {
            var scenes = new ObservableCollection<Scene>
            {
                new() { Name = SceneCatalog.Live },
            };
            var background = new Source { Name = "Background", Type = SourceType.Background, IsBackground = true, Width = 1920, Height = 1080 };
            var blur = new Source { Name = "Blur", Type = SourceType.Blur, X = 40, Y = 50, Width = 240, Height = 160, BlurAmount = 0.8 };
            scenes[0].Elements.Add(background);
            scenes[0].Elements.Add(blur);

            using (var store = new LayoutStore(dbPath))
                store.Save(scenes, null, null);

            using (var reopened = new LayoutStore(dbPath))
            {
                var loaded = reopened.Load();
                var loadedBlur = loaded.SelectMany(s => s.Elements).OfType<Source>().Single(s => s.Type == SourceType.Blur);
                Assert.Equal(0.8, loadedBlur.BlurAmount, 3);
                Assert.Equal(240, loadedBlur.Width, 3);
                Assert.Equal(SourceType.Blur, loadedBlur.Type);
            }
        }
        finally
        {
            try { File.Delete(dbPath); } catch (IOException) { }
        }
    }
}