using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Configuration;
using Microsoft.EntityFrameworkCore;
using System.IO;
using System.Windows;

namespace FahrzeugProjekt
{
    public partial class App : Application
    {
        public static IServiceProvider ServiceProvider { get; private set; }

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

            // Configuration laden
            var builder = new ConfigurationBuilder()
                .SetBasePath(Directory.GetCurrentDirectory())
                .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true);
            IConfiguration configuration = builder.Build();

            string connectionString = configuration.GetConnectionString("FahrzeugProjektConnection");

            // Services konfigurieren
            var services = new ServiceCollection();

            // DbContext registrieren
            services.AddDbContext<FahrzeugProjektKontext>(options =>
                options.UseSqlServer(connectionString));

            // Alle Fenster registrieren
            services.AddTransient<MainWindow>();
            services.AddTransient<FahrzeugEintragenWindow>();
            services.AddTransient<FahrzeugeAnzeigenWindow>();

            // Service Provider erstellen
            ServiceProvider = services.BuildServiceProvider();

            // MainWindow manuell erstellen und anzeigen
            var hauptFenster = ServiceProvider.GetRequiredService<MainWindow>();
            hauptFenster.Show();
        }
    }
}