using System.Windows;
using CursorLang.Services;
using CursorLang.ViewModels;
using CursorLang.Views;
using Microsoft.Extensions.DependencyInjection;

namespace CursorLang;

/// <summary>
/// Композиционный корень: собирает контейнер и запускает главное окно.
/// </summary>
public partial class App : Application
{
    private ServiceProvider? _services;

    protected override void OnStartup(StartupEventArgs e)
    {
        base.OnStartup(e);

        var services = new ServiceCollection();
        ConfigureServices(services);
        _services = services.BuildServiceProvider();

        MainWindow = _services.GetRequiredService<MainWindow>();
        MainWindow.Show();

        _services.GetRequiredService<IKeyboardLayoutService>().Start();
    }

    protected override void OnExit(ExitEventArgs e)
    {
        // Контейнер сам остановит таймеры и закроет окно подсказки
        _services?.Dispose();
        base.OnExit(e);
    }

    private static void ConfigureServices(IServiceCollection services)
    {
        services.AddSingleton(new KeyboardLayoutOptions());
        services.AddSingleton(new PopupOptions());

        services.AddSingleton<IKeyboardLayoutService, KeyboardLayoutService>();
        services.AddSingleton<ILayoutPopupService, LayoutPopupService>();

        services.AddSingleton<LayoutPopupViewModel>();
        services.AddSingleton<MainViewModel>();

        services.AddSingleton<LayoutPopupWindow>();
        services.AddSingleton<MainWindow>();
    }
}