#nullable enable
using System;
 
namespace Microsoft.Maui
{
	public static class ImageSourceServiceProviderExtensions
	{
		public static IImageSourceService? GetImageSourceService(this IImageSourceServiceProvider provider, IImageSource imageSource) =>
			provider.GetImageSourceService(imageSource.GetType());
 
		public static IImageSourceService? GetImageSourceService<T>(this IImageSourceServiceProvider provider)
			where T : IImageSource =>
			provider.GetImageSourceService(typeof(T));
 
		public static IImageSourceService GetRequiredImageSourceService(this IImageSourceServiceProvider provider, IImageSource imageSource) =>
			provider.GetRequiredImageSourceService(imageSource.GetType());
 
		public static IImageSourceService GetRequiredImageSourceService<T>(this IImageSourceServiceProvider provider)
			where T : IImageSource =>
			provider.GetRequiredImageSourceService(typeof(T));
 
		public static IImageSourceService GetRequiredImageSourceService(this IImageSourceServiceProvider provider, Type imageSourceType)
		{
			var service = provider.GetImageSourceService(imageSourceType);
			if (service != null)
				return service;
 
			throw new InvalidOperationException($"Unable to find a image source service for {imageSourceType}.");
		}
	}
}