MARKUS

using Avalonia;

using Avalonia.Controls;

using Avalonia.Controls.Html;

using Avalonia.Markup.Xaml;

using Avalonia.Media.Imaging;

using Avalonia.Threading;

using NetSparkleUpdater.Enums;

using NetSparkleUpdater.Events;

using NetSparkleUpdater.Interfaces;

using NetSparkleUpdater.UI.Avalonia.Controls;

using NetSparkleUpdater.UI.Avalonia.Interfaces;

using NetSparkleUpdater.UI.Avalonia.ViewModels;

using System.Linq;

namespace NetSparkleUpdater.UI.Avalonia

{

    public class UpdateAvailableWindow : BaseWindow, IUpdateAvailable, IReleaseNotesUpdater, IUserRespondedToUpdateCheck

    {

        private UpdateAvailableWindowViewModel _dataContext;

        private RowDefinition _releaseNotesRow;

        private HtmlLabel _htmlLabel;

        public UpdateAvailableWindow() : base(true)

        {

            this.InitializeComponent();

#if DEBUG

            this.AttachDevTools();

#endif

        }

        public UpdateAvailableWindow(UpdateAvailableWindowViewModel viewModel, IBitmap iconBitmap) : base(true)

        {

            this.InitializeComponent();

            var imageControl = this.FindControl<Image>("AppIcon");

            if (imageControl != null)

            {

                imageControl.Source = iconBitmap;

            }

#if DEBUG

            this.AttachDevTools();

#endif

            DataContext = _dataContext = viewModel;

            _dataContext.ReleaseNotesUpdater = this;

            _dataContext.UserRespondedHandler = this;

        }

        private void InitializeComponent()

        {

            AvaloniaXamlLoader.Load(this);

            var grid = this.FindControl<Grid>("MainGrid");

            _releaseNotesRow = grid.RowDefinitions[2];

            _htmlLabel = this.FindControl<HtmlLabel>("ChangeNotesHTMLLabel");

            _htmlLabel.SetValue(HtmlLabel.AutoSizeHeightOnlyProperty, true);

        }

        UpdateAvailableResult IUpdateAvailable.Result => _dataContext?.UserResponse ?? UpdateAvailableResult.None;

        AppCastItem IUpdateAvailable.CurrentItem => CurrentItem;

        public AppCastItem CurrentItem

        {

            get { return _dataContext?.Updates?.FirstOrDefault(); }

        }

        public event UserRespondedToUpdate UserResponded;

        void IUpdateAvailable.BringToFront()

        {

            BringToFront();

        }

        void IUpdateAvailable.Close()

        {

            CloseWindow();

        }

        void IUpdateAvailable.HideReleaseNotes()

        {

            if (_dataContext != null)

            {

                _dataContext.AreReleaseNotesVisible = false;

            }

            _releaseNotesRow.Height = new GridLength(10);

        }

        void IUpdateAvailable.HideRemindMeLaterButton()

        {

            if (_dataContext != null)

            {

                _dataContext.IsRemindMeLaterVisible = false;

            }

        }

        void IUpdateAvailable.HideSkipButton()

        {

            if (_dataContext != null)

            {

                _dataContext.IsSkipVisible = false;

            }

        }

        void IUpdateAvailable.Show(bool isOnMainThread)

        {

            ShowWindow(isOnMainThread);

        }

        public void UserRespondedToUpdateCheck(UpdateAvailableResult response)

        {

            UserResponded?.Invoke(this, new UpdateResponseEventArgs(_dataContext?.UserResponse ?? UpdateAvailableResult.None, CurrentItem));

        }

        public void ShowReleaseNotes(string notes)

        {

            Dispatcher.UIThread.InvokeAsync(() =>

            {

                _htmlLabel.Text = notes;

            });

        }

    }

}