using System.Collections.ObjectModel;
using DragNDrop.Model;

namespace DragNDrop;

public partial class InCellsPage : ContentPage
{
	public ObservableCollection<Nounours> FirstCollection { get; set; } = new ObservableCollection<Nounours>()
	{
		new Nounours(42, "Chewbacca"),
		new Nounours(43, "Yoda"),
		new Nounours(44, "Ewok"),
		new Nounours(45, "Jabba the Hutt"),
		new Nounours(666, "Chucky")
	};

	public ObservableCollection<Cage> SecondCollection { get; set; }
		= new ObservableCollection<Cage>(new int[10].Select(i => new Cage()));

	public InCellsPage()
	{
		InitializeComponent();
		BindingContext = this;
	}

	private void DropGestureRecognizer_Drop(object sender, DropEventArgs e)
	{
		if ((sender as Element)?.Parent.BindingContext is Cage receivingElement)
		{
			if (e.Data.Properties["value"] is Nounours draggedNounours)
			{
				receivingElement.MyPrecious = draggedNounours;
			}
		}
	}

	private void Bag_DragStarting(object sender, DragStartingEventArgs e)
	{
		e.Data.Properties["value"] = (sender as Element)?.Parent.BindingContext;
    }

	private void DropGestureRecognizer_DragLeave(object sender, DragEventArgs e)
	{
		if(e.Data.Properties["value"] is Nounours draggedNounours
			&& sender is Cage cage)
			cage.MyPrecious = null;
    }

	private void DragGestureRecognizer_DragStarting1(object sender, DragStartingEventArgs e)
	{
		e.Data.Properties["value"] = ((sender as Element)?.Parent.BindingContext as Cage)?.MyPrecious;
		if((sender as Element)?.BindingContext is Cage cage)
			cage.MyPrecious = null;
    }
}