using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using System.Windows;
using Serilog;
using System;
using WpfApp1TRC20;
using WpfApp1TRC20.Views;
using WpfApp1TRC20.Data;
using WpfApp1TRC20.Services;
using WpfApp1TRC20.ViewModels;

namespace WpfApp1TRC20
{
    public partial class App : Application
    {
        private IHost _host;

        protected override async void OnStartup(StartupEventArgs e)
        {
            // Configure Serilog
            Log.Logger = new LoggerConfiguration()
                .WriteTo.File("logs/app-.txt", rollingInterval: RollingInterval.Day)
                .CreateLogger();

            _host = Host.CreateDefaultBuilder()
                .ConfigureServices((context, services) =>
                {
                    // Database
                    services.AddDbContext<AppDbContext>();

                    // Services
                    services.AddSingleton<ITronService, TronService>();
                    services.AddScoped<IDataService, DataService>();

                    // ViewModels
                    services.AddTransient<MainViewModel>();

                    // Views
                    services.AddTransient<MainWindow>();

                    // Logging
                    services.AddLogging(a => 
                    a.AddProvider( ));
                })
                .Build();

            await _host.StartAsync();

            // Ensure database is created
            using (var scope = _host.Services.CreateScope())
            {
                var context = scope.ServiceProvider.GetRequiredService<AppDbContext>();
                await context.Database.EnsureCreatedAsync();
            }

            var mainWindow = _host.Services.GetRequiredService<MainWindow>();
            mainWindow.Show();

            base.OnStartup(e);
        }

        protected override async void OnExit(ExitEventArgs e)
        {
            await _host?.StopAsync();
            _host?.Dispose();
            Log.CloseAndFlush();
            base.OnExit(e);
        }
    }
}