// 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 System;
using System.Composition;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CSharp.CodeGeneration;
using Microsoft.CodeAnalysis.Editing;
using Microsoft.CodeAnalysis.Formatting;
using Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.CodeAnalysis.OrganizeImports;
 
namespace Microsoft.CodeAnalysis.CSharp.OrganizeImports
{
    [ExportLanguageService(typeof(IOrganizeImportsService), LanguageNames.CSharp), Shared]
    internal partial class CSharpOrganizeImportsService : IOrganizeImportsService
    {
        [ImportingConstructor]
        [Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
        public CSharpOrganizeImportsService()
        {
        }
 
        public async Task<Document> OrganizeImportsAsync(Document document, OrganizeImportsOptions options, CancellationToken cancellationToken)
        {
            var root = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
 
            var rewriter = new Rewriter(options);
            var newRoot = rewriter.Visit(root);
 
            return document.WithSyntaxRoot(newRoot);
        }
 
        public string SortImportsDisplayStringWithAccelerator
            => CSharpWorkspaceResources.Sort_Usings;
 
        public string SortAndRemoveUnusedImportsDisplayStringWithAccelerator
            => CSharpWorkspaceResources.Remove_and_Sort_Usings;
    }
}