using Microsoft.AspNetCore.Mvc.ModelBinding;
using Microsoft.AspNetCore.Mvc.ModelBinding.Binders;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace Sarand.OperationsMgr.Web.System
{
	//=======================================================================
	/// <summary>
	/// Maps a browser request to a data object. Default class provides a base implementation of a model binder.
	/// <para>Overridden to trim whitespace from input values.</para>
	/// </summary>
	public class OpnModelBinderProvider : IModelBinderProvider
	{
		//-------------------------------------------------------------------
		public OpnModelBinderProvider ()
		{
		}

		//-------------------------------------------------------------------
		public IModelBinder GetBinder (ModelBinderProviderContext context)
		{
			if (context == null) throw new ArgumentNullException(nameof(context));

			// Intercept String form values.
			if (context.Metadata.ModelType == typeof(string))
				return new BinderTypeModelBinder(typeof(OpnModelBinder));

			// Default - return null so that default binding provider is used.
			return null;
		}

		//-------------------------------------------------------------------
	}
	//=======================================================================
}