// 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.Collections.Immutable;
using System.Composition;
using Microsoft.CodeAnalysis.Host;
using Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.CodeAnalysis.Structure;

namespace Microsoft.CodeAnalysis.CSharp.Structure;

[ExportLanguageServiceFactory(typeof(BlockStructureService), LanguageNames.CSharp), Shared]
internal sealed class CSharpBlockStructureServiceFactory : ILanguageServiceFactory
{
    [ImportingConstructor]
    [Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
    public CSharpBlockStructureServiceFactory()
    {
    }

    public ILanguageService CreateLanguageService(HostLanguageServices languageServices)
        => new CSharpBlockStructureService(languageServices.LanguageServices.SolutionServices);
}

internal sealed class CSharpBlockStructureService(SolutionServices services) : BlockStructureServiceWithProviders(services)
{
    protected override ImmutableArray<BlockStructureProvider> GetBuiltInProviders()
    {
        return [new CSharpBlockStructureProvider()];
    }

    public override string Language => LanguageNames.CSharp;
}