// 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.ComponentModel.Composition;
using Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.Internal.VisualStudio.Shell.ErrorList;
using Microsoft.VisualStudio.Shell.TableControl;
using Microsoft.VisualStudio.Utilities;

namespace Microsoft.VisualStudio.LanguageServices.Implementation.FindReferences.Filters;

[Export(typeof(IScopeFilterFactory))]
[TableManagerIdentifier("FindAllReferences*")]
[Name(nameof(ExternalSourcesFilterFactory))]
[Order(After = nameof(EntireSolutionWithoutMetadataFilterFactory))]
internal sealed class ExternalSourcesFilterFactory : IScopeFilterFactory
{
    [ImportingConstructor]
    [Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
    public ExternalSourcesFilterFactory()
    {
    }

    public IErrorListFilterHandler CreateFilter(IWpfTableControl tableControl)
    {
        return ExternalSourcesFilterHandler.Instance;
    }

    private sealed class ExternalSourcesFilterHandler : ExternalSourcesFilterHandlerBase
    {
        public static ExternalSourcesFilterHandler Instance = new();

        /// <summary>
        /// FilterId is persisted to user settings to remember the selection. Starting in the 40s means
        /// its unqiue compared to the rest of <see cref="PredefinedScopeFilterIds"/>
        /// </summary>
        public override int FilterId => 41;
        public override string FilterDisplayName => ServicesVSResources.External_sources;

        public override bool IncludeExact => false;
        public override bool IncludeExactMetadata => true;

        // TODO: Remove when https://github.com/dotnet/roslyn/issues/42847 is fixed
        public override bool IncludeOther => false;
    }
}
