// 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 ComponentTypeArgumentIntermediateNode : IntermediateNode
	{
		public ComponentTypeArgumentIntermediateNode( TagHelperPropertyIntermediateNode propertyNode )
		{
			if ( propertyNode == null )
			{
				throw new ArgumentNullException( nameof( propertyNode ) );
			}

			BoundAttribute = propertyNode.BoundAttribute;
			Source = propertyNode.Source;
			TagHelper = propertyNode.TagHelper;

			for ( var i = 0; i < propertyNode.Children.Count; i++ )
			{
				Children.Add( propertyNode.Children[i] );
			}

			for ( var i = 0; i < propertyNode.Diagnostics.Count; i++ )
			{
				Diagnostics.Add( propertyNode.Diagnostics[i] );
			}
		}

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

		public BoundAttributeDescriptor BoundAttribute { get; set; }

		public string TypeParameterName => BoundAttribute.Name;

		public TagHelperDescriptor TagHelper { get; set; }

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

			visitor.VisitComponentTypeArgument( this );
		}

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

			formatter.WriteContent( TypeParameterName );

			formatter.WriteProperty( nameof( BoundAttribute ), BoundAttribute?.DisplayName );
			formatter.WriteProperty( nameof( TagHelper ), TagHelper?.DisplayName );
		}
	}
}
