#nullable disable
using System;
using System.ComponentModel;
using System.Globalization;
using Microsoft.Maui.Controls.Xaml;
 
namespace Microsoft.Maui.Controls
{
	/// <include file="../../docs/Microsoft.Maui.Controls/ImageSourceConverter.xml" path="Type[@FullName='Microsoft.Maui.Controls.ImageSourceConverter']/Docs/*" />
	[ProvideCompiled("Microsoft.Maui.Controls.XamlC.ImageSourceTypeConverter")]
	public sealed class ImageSourceConverter : TypeConverter
	{
		public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
			=> sourceType == typeof(string) || sourceType == typeof(Uri);
 
		public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
			=> destinationType == typeof(string);
 
		public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
		{
			if (value is Uri uriValue)
			{
				return (ImageSource)uriValue;
			}
 
			// IMPORTANT! Update ImageSourceDesignTypeConverter.IsValid if making changes here
			var strValue = value?.ToString();
			if (strValue != null)
				return Uri.TryCreate(strValue, UriKind.Absolute, out Uri uri) && uri.Scheme != "file" ? ImageSource.FromUri(uri) : ImageSource.FromFile(strValue);
 
			throw new InvalidOperationException(string.Format("Cannot convert \"{0}\" into {1}", strValue, typeof(ImageSource)));
		}
 
		public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
		{
			if (value is FileImageSource fis)
				return fis.File;
			if (value is UriImageSource uis)
				return uis.Uri.ToString();
			throw new NotSupportedException();
		}
	}
}