// 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.Collections.Immutable;
using System.Composition;
using Microsoft.CodeAnalysis.ExternalAccess.OmniSharp.PickMembers;
using Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.CodeAnalysis.PickMembers;

namespace Microsoft.CodeAnalysis.ExternalAccess.OmniSharp.Internal.PickMembers;

[Shared]
[ExportWorkspaceService(typeof(IPickMembersService), ServiceLayer.Host)]
internal class OmniSharpPickMembersService : IPickMembersService
{
    private readonly IOmniSharpPickMembersService _omniSharpPickMembersService;

    [ImportingConstructor]
    [Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
    public OmniSharpPickMembersService(IOmniSharpPickMembersService omniSharpPickMembersService)
    {
        _omniSharpPickMembersService = omniSharpPickMembersService;
    }

    public PickMembersResult PickMembers(string title, ImmutableArray<ISymbol> members, ImmutableArray<PickMembersOption> options = default, bool selectAll = true)
    {
        var result = _omniSharpPickMembersService.PickMembers(title, members, options.IsDefault ? default : options.SelectAsArray(o => new OmniSharpPickMembersOption(o)), selectAll: true);
        return new(result.Members, result.Options.SelectAsArray(o => o.PickMembersOptionInternal), result.SelectedAll);
    }
}