// 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.Composition;
using System.Diagnostics.CodeAnalysis;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Shared.Extensions;
 
namespace Microsoft.CodeAnalysis.CodeRefactorings.MoveType;
 
[ExportCodeRefactoringProvider(LanguageNames.CSharp, LanguageNames.VisualBasic,
    Name = PredefinedCodeRefactoringProviderNames.MoveTypeToFile), Shared]
internal sealed class MoveTypeCodeRefactoringProvider : CodeRefactoringProvider
{
    [ImportingConstructor]
    [SuppressMessage("RoslynDiagnosticsReliability", "RS0033:Importing constructor should be [Obsolete]", Justification = "Used in test code: https://github.com/dotnet/roslyn/issues/42814")]
    public MoveTypeCodeRefactoringProvider()
    {
    }
 
    public override async Task ComputeRefactoringsAsync(CodeRefactoringContext context)
    {
        var (document, textSpan, cancellationToken) = context;
        if (document.Project.Solution.WorkspaceKind == WorkspaceKind.MiscellaneousFiles)
            return;
 
        if (document.IsGeneratedCode(cancellationToken))
            return;
 
        var service = document.GetRequiredLanguageService<IMoveTypeService>();
        var actions = await service.GetRefactoringAsync(document, textSpan, cancellationToken).ConfigureAwait(false);
        context.RegisterRefactorings(actions);
    }
}