using CommunityToolkit.Maui;
using Jugenddienst_Stunden.Models;
using Jugenddienst_Stunden.Interfaces;
using Jugenddienst_Stunden.Repositories;
using Jugenddienst_Stunden.Services;
using Jugenddienst_Stunden.Infrastructure;
using Jugenddienst_Stunden.Validators;
using Microsoft.Extensions.Logging;
using ZXing.Net.Maui.Controls;
using System.Net.Http;
using Jugenddienst_Stunden.ViewModels;
using Jugenddienst_Stunden.Views;
using System.Net;

namespace Jugenddienst_Stunden;

/// <summary>
/// Das Hauptprogramm.
/// </summary>
public static class MauiProgram {
	public static MauiApp CreateMauiApp() {
		var builder = MauiApp.CreateBuilder();
		builder
			.UseMauiApp<App>()
			// Initialize the .NET MAUI Community Toolkit by adding the below line of code
			.UseMauiCommunityToolkit(options => { options.SetShouldEnableSnackbarOnWindows(true); })
			.ConfigureFonts(fonts => {
				fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
				fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
			})
			.UseBarcodeReader();

		// DI: AlertService für globale Alerts (z. B. leere ApiUrl)
		builder.Services.AddSingleton<IAlertService, AlertService>();

		// DI: Settings aus Preferences (Single Source of Truth bleibt Preferences)
		builder.Services.AddSingleton<IAppSettings, AppSettings>();

		// DI: ApiOptions IMMER aus aktuellen Settings erzeugen (nicht beim Start einfrieren)
		builder.Services.AddTransient(sp => new ApiOptions {
			BaseUrl = sp.GetRequiredService<IAppSettings>().ApiUrl,
			Timeout = TimeSpan.FromSeconds(15)
		});


		// HttpClient + ApiClient Best Practices:
		// 1. IHttpClientFactory verwenden (vermeidet Socket Exhaustion & DNS Probleme)
		// 2. Typed Client für bessere Dependency Injection (AddHttpClient<TInterface, TImplementation>)
		// 3. DelegatingHandler für Logging/Infrastruktur einbinden
		builder.Services.AddTransient<RequestLoggingHandler>();

		builder.Services.AddHttpClient<IApiClient, ApiClient>()
			.ConfigurePrimaryHttpMessageHandler(() => new SocketsHttpHandler {
				AllowAutoRedirect = false,
				AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate,
				PooledConnectionLifetime = TimeSpan.FromMinutes(5),
				ConnectTimeout = TimeSpan.FromSeconds(10)
			})
			.AddHttpMessageHandler<RequestLoggingHandler>()
			.SetHandlerLifetime(TimeSpan.FromMinutes(5));

		// DI: Validatoren
		builder.Services.AddSingleton<IHoursValidator, HoursValidator>();

		// DI: Services & Repositories
		builder.Services.AddSingleton<IHoursRepository, HoursRepository>();
		builder.Services.AddSingleton<IHoursService, HoursService>();
		builder.Services.AddSingleton<IAuthService, AuthService>();

		// DI: Views/ViewModels
		builder.Services.AddTransient<StundenViewModel>();
		builder.Services.AddTransient<StundenPage>();
		builder.Services.AddTransient<StundeViewModel>();
		builder.Services.AddTransient<StundePage>();
		builder.Services.AddTransient<LoginViewModel>();
		builder.Services.AddTransient<LoginPage>();

		return builder.Build();
	}
}