using Microsoft.UI.Xaml;
using XFEExtension.NetCore.WinUIHelper.Utilities;
using XFEExtension.NetCore.WinUIHelper.Utilities.Helper;
using XFEWarframe.Player.Interface.Services;
using XFEWarframe.Player.Profiles.CrossVersionProfiles;
using XFEWarframe.Player.Utilities;
using XFEWarframe.Player.Views;

namespace XFEWarframe.Player;

public partial class App : Application
{
    private static readonly CancellationTokenSource lifetime = new();
    public static CancellationToken Lifetime => lifetime.Token;
    public static MainWindow MainWindow { get; private set; } = null!;
    public static IPlayerService Service { get; private set; } = null!;
    public static IPlayerAccountService Accounts { get; private set; } = null!;

    public App()
    {
        AppPath.TraceVerification("App constructor");
        if (AppPath.Argument("verify-ui") is not null)
        {
            DebugSettings.IsBindingTracingEnabled = true;
            DebugSettings.BindingFailed += (_, args) => Utilities.Diagnostics.DesktopVerification.BindingErrors.Add(args.Message);
        }
        XFEWarframe.Desktop.Editing.UiText.Language = AppPath.Argument("ui-language") ?? SystemProfile.UiLanguage;
        InitializeComponent();
        AppPath.TraceVerification("App resources initialized");
        PageManager.RegisterPage(typeof(AppShellPage));
        PageManager.RegisterPage(typeof(MainPage));
        PageManager.RegisterPage(typeof(AccountPage));
        PageManager.RegisterPage(typeof(InventoryPage));
        PageManager.RegisterPage(typeof(EditorPage));
        PageManager.RegisterPage(typeof(EquipmentPage));
        PageManager.RegisterPage(typeof(RivenPage));
        PageManager.RegisterPage(typeof(RuntimePage));
        PageManager.RegisterPage(typeof(InstallPage));
        PageManager.RegisterPage(typeof(LogViewPage));
        PageManager.RegisterPage(typeof(ItemCatalogPage));
        PageManager.RegisterPage(typeof(SettingPage));
        UnhandledException += (_, args) => AppPath.LogException(args.Exception);
        TaskScheduler.UnobservedTaskException += (_, args) => { AppPath.LogException(args.Exception); args.SetObserved(); };
    }

    protected override async void OnLaunched(LaunchActivatedEventArgs args)
    {
        AppPath.TraceVerification("OnLaunched");
        MainWindow = new MainWindow();
        AppPath.TraceVerification("MainWindow created");
        AppThemeHelper.MainWindow = MainWindow;
        XFEWarframe.Desktop.Editing.FormDialogButton.ShowDialogAsync = ServiceManager.GetService<IInteractionService>().ShowAsync;
        Service = ServiceManager.GetService<IPlayerService>();
        Accounts = ServiceManager.GetService<IPlayerAccountService>();
        MainWindow.Content = new AppShellPage();
        AppPath.TraceVerification("AppShellPage attached");
        AppThemeHelper.Theme = SystemProfile.Theme;
        AppThemeHelper.ChangeTheme(SystemProfile.Theme);
        AppPath.TraceVerification("Theme applied");
        if (AppPath.Argument("verify-ui") is string report)
        {
            if (AppPath.Argument("verify-dialogs") == "true") { MainWindow.Activate(); MainWindow.AppWindow.Show(); for (var attempt = 0; attempt < 100 && ((FrameworkElement)MainWindow.Content).XamlRoot is null; attempt++) await Task.Delay(20); }
            await Utilities.Diagnostics.DesktopVerification.RunAsync(report);
            if (AppPath.Argument("verify-visible") == "true") { MainWindow.Activate(); return; }
            await ShutdownAsync();
            MainWindow.Close();
            Exit();
        }
        else MainWindow.Activate();
    }

    public static async Task ShutdownAsync()
    {
        lifetime.Cancel();
        try
        {
            await Service.StopAsync();
            Accounts.Stop();
            SystemProfile.SaveProfile();
        }
        catch (Exception ex) { AppPath.LogException(ex); }
    }
}