// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
#nullable disable
 
using Microsoft.CodeAnalysis.CSharp.Syntax;
 
namespace Microsoft.CodeAnalysis.CSharp.ReplacePropertyWithMethods;
 
internal sealed partial class CSharpReplacePropertyWithMethodsService
{
    private sealed class ConvertValueToParamRewriter : CSharpSyntaxRewriter
    {
        public static readonly CSharpSyntaxRewriter Instance = new ConvertValueToParamRewriter();
 
        private ConvertValueToParamRewriter()
        {
        }
 
        private static XmlNameSyntax ConvertToParam(XmlNameSyntax name)
            => name.ReplaceToken(name.LocalName, SyntaxFactory.Identifier("param"));
 
        public override SyntaxNode VisitXmlElementStartTag(XmlElementStartTagSyntax node)
        {
            if (!IsValueName(node.Name))
                return base.VisitXmlElementStartTag(node);
 
            return node.ReplaceNode(node.Name, ConvertToParam(node.Name))
                .AddAttributes(SyntaxFactory.XmlNameAttribute("value"));
        }
 
        public override SyntaxNode VisitXmlElementEndTag(XmlElementEndTagSyntax node)
            => IsValueName(node.Name)
                ? node.ReplaceNode(node.Name, ConvertToParam(node.Name))
                : base.VisitXmlElementEndTag(node);
    }
}