// 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.

using System;
using System.Composition;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CodeRefactorings;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.Host.Mef;

namespace Microsoft.CodeAnalysis.CSharp.ConvertToRecord;

[ExportCodeRefactoringProvider(LanguageNames.CSharp, Name = PredefinedCodeRefactoringProviderNames.ConvertToRecord), Shared]
[method: ImportingConstructor]
[method: Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
internal sealed class CSharpConvertToRecordRefactoringProvider() : CodeRefactoringProvider
{
    public override async Task ComputeRefactoringsAsync(CodeRefactoringContext context)
    {
        var (document, _, cancellationToken) = context;

        var typeDeclaration = await context.TryGetRelevantNodeAsync<TypeDeclarationSyntax>().ConfigureAwait(false);
        if (typeDeclaration == null)
            return;

        var action = await ConvertToRecordEngine.GetCodeActionAsync(
            document, typeDeclaration, cancellationToken).ConfigureAwait(false);
        if (action != null)
            context.RegisterRefactoring(action);
    }
}