using ApplicationServices;
using Avalonia;
using Avalonia.Controls;
using DataLayer;
using LibationUiBase;
using LibationUiBase.ProcessQueue;

#nullable enable
namespace LibationAvalonia.Views
{
	public delegate void QueueItemPositionButtonClicked(ProcessBookViewModel? item, QueuePosition queueButton);
	public delegate void QueueItemCancelButtonClicked(ProcessBookViewModel? item);
	public partial class ProcessBookControl : UserControl
	{
		public static event QueueItemPositionButtonClicked? PositionButtonClicked;
		public static event QueueItemCancelButtonClicked? CancelButtonClicked;

		public static readonly StyledProperty<ProcessBookStatus> ProcessBookStatusProperty =
			AvaloniaProperty.Register<ProcessBookControl, ProcessBookStatus>(nameof(ProcessBookStatus), enableDataValidation: true);

		public ProcessBookStatus ProcessBookStatus
		{
			get => GetValue(ProcessBookStatusProperty);
			set => SetValue(ProcessBookStatusProperty, value);
		}

		public ProcessBookControl()
		{
			InitializeComponent();

			if (Design.IsDesignMode)
			{
				using var context = DbContexts.GetContext();
				ViewModels.MainVM.Configure_NonUI();
				if (context.GetLibraryBook_Flat_NoTracking("B017V4IM1G") is LibraryBook book)
					DataContext = new ProcessBookViewModel(book);
				return;
			}
		}

		private ProcessBookViewModel? DataItem => DataContext as ProcessBookViewModel;

		public void Cancel_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
			=> CancelButtonClicked?.Invoke(DataItem);
		public void MoveFirst_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
			=> PositionButtonClicked?.Invoke(DataItem, QueuePosition.First);
		public void MoveUp_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
			=> PositionButtonClicked?.Invoke(DataItem, QueuePosition.OneUp);
		public void MoveDown_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
			=> PositionButtonClicked?.Invoke(DataItem, QueuePosition.OneDown);
		public void MoveLast_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
			=> PositionButtonClicked?.Invoke(DataItem, QueuePosition.Last);
	}
}