using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.UI.Xaml;
using RustTools.Contracts.Services;
using RustTools.Models;
using RustTools.Services;
using RustTools.ViewModels;
using RustTools.Views;
using RustTools.muqing;
using RustTools.Activation;
using RustTools.WindowUI;
using Windows.ApplicationModel.Activation;
using Microsoft.Windows.AppLifecycle;
using WinUIEx;

namespace RustTools;

// To learn more about WinUI 3, see https://docs.microsoft.com/windows/apps/winui/winui3/.
public partial class App : Microsoft.UI.Xaml.Application
{
    // The .NET Generic Host provides dependency injection, configuration, logging, and other services.
    // https://docs.microsoft.com/dotnet/core/extensions/generic-host
    // https://docs.microsoft.com/dotnet/core/extensions/dependency-injection
    // https://docs.microsoft.com/dotnet/core/extensions/configuration
    // https://docs.microsoft.com/dotnet/core/extensions/logging
    public IHost Host
    {
        get;
    }

    public static T GetService<T>()
        where T : class
    {
        if ((App.Current as App)!.Host.Services.GetService(typeof(T)) is not T service)
        {
            throw new ArgumentException($"{typeof(T)} needs to be registered in ConfigureServices within App.xaml.cs.");
        }

        return service;
    }


    public static UIElement? AppTitlebar { get; set; }
    public static WindowEx? MainWindow;

    public App()
    {
        InitializeComponent();
        //if (!Directory.Exists(wj.CD))
        //{
        //    Directory.CreateDirectory(wj.CD);
        //}
        // 注册激活事件处理程序
        Host = Microsoft.Extensions.Hosting.Host.
        CreateDefaultBuilder().
        UseContentRoot(AppContext.BaseDirectory).
        ConfigureServices((context, services) =>
        {
            // Default Activation Handler
            services.AddTransient<ActivationHandler<Microsoft.UI.Xaml.LaunchActivatedEventArgs>, DefaultActivationHandler>();

            // Other Activation Handlers

            // Services
            services.AddSingleton<ILocalSettingsService, LocalSettingsService>();
            services.AddSingleton<IThemeSelectorService, ThemeSelectorService>();
            services.AddTransient<INavigationViewService, NavigationViewService>();

            services.AddSingleton<IActivationService, ActivationService>();
            services.AddSingleton<IPageService, PageService>();
            services.AddSingleton<INavigationService, NavigationService>();

            // Core Services
            services.AddSingleton<IFileService, FileService>();

            // Views and ViewModels
            services.AddTransient<SettingsViewModel>();
            services.AddTransient<SettingsPage>();

            services.AddTransient<HomePageViewModel>();
            services.AddTransient<HomePage>();
            services.AddTransient<ConcernViewModel>();
            services.AddTransient<ConcernPage>();
            services.AddTransient<RankingViewModel>();
            services.AddTransient<RankingPage>();
            services.AddTransient<UserViewModel>();
            services.AddTransient<UserPage>();
            //模组碎片
            services.AddTransient<ModuleViewModel>();
            services.AddTransient<ModulePage>();

            services.AddTransient<ShellPage>();
            services.AddTransient<ShellViewModel>();

            // Configuration
            services.Configure<LocalSettingsOptions>(context.Configuration.GetSection(nameof(LocalSettingsOptions)));
        }).
        Build();

        UnhandledException += App_UnhandledException;
    }

    private void App_UnhandledException(object sender, Microsoft.UI.Xaml.UnhandledExceptionEventArgs e)
    {
        // TODO: Log and handle exceptions as appropriate.
        // https://docs.microsoft.com/windows/windows-app-sdk/api/winrt/microsoft.ui.xaml.application.unhandledexception.
    }


    protected async override void OnLaunched(Microsoft.UI.Xaml.LaunchActivatedEventArgs args)
    {
        base.OnLaunched(args);
        var activatedEventArgs = Microsoft.Windows.AppLifecycle.AppInstance.GetCurrent().GetActivatedEventArgs();
        if (activatedEventArgs.Kind == Microsoft.Windows.AppLifecycle.ExtendedActivationKind.File)
        {
            gj.sc("打开文件");
            if (activatedEventArgs.Kind == ExtendedActivationKind.File)
            {
                if (activatedEventArgs.Data is IFileActivatedEventArgs fileArgs)
                {
                    var files = fileArgs.Files;
                    // 处理打开的文件
                    foreach (var file in files)
                    {
                        var storageFile = file as Windows.Storage.StorageFile;
                        if (storageFile != null)
                        {
                            gj.sc(storageFile.Path);
                            var importModule=new ImportModule(storageFile.Path);
                            importModule.Activate();
                            // 读取或处理文件内容
                        }
                    }
                }
            }
            return;
        }
        // If this is the first instance launched, then register it as the "main" instance.
        // If this isn't the first instance launched, then "main" will already be registered,
        // so retrieve it.
        var mainInstance = Microsoft.Windows.AppLifecycle.AppInstance.FindOrRegisterForKey("main");
        // If the instance that's executing the OnLaunched handler right now
        // isn't the "main" instance.
        if (!mainInstance.IsCurrent)
        {
            // Redirect the activation (and args) to the "main" instance, and exit.
            await mainInstance.RedirectActivationToAsync(activatedEventArgs);
            System.Diagnostics.Process.GetCurrentProcess().Kill();
            return;
        }
        else
        {
            //MainWindow.Activate();
            //MainWindow = new MainWindow();
            var editor=new Editor.EditorWin();
            editor.Activate();
            //await App.GetService<IActivationService>().ActivateAsync(args);
        }
    }
}