using System;
using Microsoft.Maui.Graphics;
 
namespace Microsoft.Maui.Handlers
{
	public partial class CheckBoxHandler : ViewHandler<ICheckBox, MauiCheckBox>
	{
		protected virtual float MinimumSize => 44f;
 
		protected override MauiCheckBox CreatePlatformView()
		{
			return new MauiCheckBox
			{
				MinimumViewSize = MinimumSize
			};
		}
 
		protected override void ConnectHandler(MauiCheckBox platformView)
		{
			base.ConnectHandler(platformView);
 
			platformView.CheckedChanged += OnCheckedChanged;
		}
 
		protected override void DisconnectHandler(MauiCheckBox platformView)
		{
			base.DisconnectHandler(platformView);
 
			platformView.CheckedChanged -= OnCheckedChanged;
		}
 
		public static partial void MapIsChecked(ICheckBoxHandler handler, ICheckBox check)
		{
			handler.PlatformView?.UpdateIsChecked(check);
		}
 
		public static partial void MapForeground(ICheckBoxHandler handler, ICheckBox check)
		{
			handler.PlatformView?.UpdateForeground(check);
		}
 
		public override Size GetDesiredSize(double widthConstraint, double heightConstraint)
		{
			var size = base.GetDesiredSize(widthConstraint, heightConstraint);
 
			var set = false;
 
			var width = widthConstraint;
			var height = heightConstraint;
 
			if (size.Width == 0)
			{
				if (widthConstraint <= 0 || double.IsInfinity(widthConstraint))
				{
					width = MinimumSize;
					set = true;
				}
			}
 
			if (size.Height == 0)
			{
				if (heightConstraint <= 0 || double.IsInfinity(heightConstraint))
				{
					height = MinimumSize;
					set = true;
				}
			}
 
			if (set)
			{
				size = new Size(width, height);
			}
 
			return size;
		}
 
		void OnCheckedChanged(object? sender, EventArgs e)
		{
			if (sender is MauiCheckBox platformView && VirtualView != null)
			{
				VirtualView.IsChecked = platformView.IsChecked;
			}
		}
	}
}