// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System;
using Microsoft.AspNetCore.Razor.Language.CodeGeneration;
using Microsoft.AspNetCore.Razor.Language.Components;

namespace Microsoft.AspNetCore.Razor.Language.Intermediate
{
	public sealed class ComponentChildContentIntermediateNode : IntermediateNode
	{
		public string AttributeName => BoundAttribute?.Name ?? ComponentsApi.RenderTreeBuilder.ChildContent;

		public BoundAttributeDescriptor BoundAttribute { get; set; }

		public override IntermediateNodeCollection Children { get; } = new IntermediateNodeCollection();

		public bool IsParameterized => BoundAttribute?.IsParameterizedChildContentProperty() ?? false;

		public string ParameterName { get; set; }

		public string TypeName { get; set; }

		public override void Accept( IntermediateNodeVisitor visitor )
		{
			if ( visitor == null )
			{
				throw new ArgumentNullException( nameof( visitor ) );
			}

			visitor.VisitComponentChildContent( this );
		}

		public override void FormatNode( IntermediateNodeFormatter formatter )
		{
			if ( formatter == null )
			{
				throw new ArgumentNullException( nameof( formatter ) );
			}

			formatter.WriteContent( AttributeName );

			formatter.WriteProperty( nameof( AttributeName ), AttributeName );
			formatter.WriteProperty( nameof( BoundAttribute ), BoundAttribute?.DisplayName );
			formatter.WriteProperty( nameof( ParameterName ), ParameterName );
			formatter.WriteProperty( nameof( TypeName ), TypeName );
		}
	}
}
