// 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.Editor.Shared.Extensions;
using Microsoft.CodeAnalysis.Editor.Shared.Utilities;
using Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.CodeAnalysis.Options;
using Microsoft.VisualStudio.Language.Intellisense.AsyncCompletion;
using Microsoft.VisualStudio.Text.Editor;
using Microsoft.VisualStudio.Utilities;
 
namespace Microsoft.CodeAnalysis.Editor.Implementation.IntelliSense.AsyncCompletion
{
    [Export(typeof(IAsyncCompletionCommitManagerProvider))]
    [Name("Roslyn Completion Commit Manager")]
    [ContentType(ContentTypeNames.RoslynContentType)]
    internal class CommitManagerProvider : IAsyncCompletionCommitManagerProvider
    {
        private readonly IThreadingContext _threadingContext;
        private readonly RecentItemsManager _recentItemsManager;
        private readonly IGlobalOptionService _globalOptions;
        private readonly ILanguageServerSnippetExpander? _languageServerSnippetExpander;
 
        [ImportingConstructor]
        [Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
        public CommitManagerProvider(
            IThreadingContext threadingContext,
            RecentItemsManager recentItemsManager,
            IGlobalOptionService globalOptions,
            [Import(AllowDefault = true)] ILanguageServerSnippetExpander? languageServerSnippetExpander)
        {
            _threadingContext = threadingContext;
            _recentItemsManager = recentItemsManager;
            _globalOptions = globalOptions;
            _languageServerSnippetExpander = languageServerSnippetExpander;
        }
 
        IAsyncCompletionCommitManager? IAsyncCompletionCommitManagerProvider.GetOrCreate(ITextView textView)
        {
            if (textView.IsInLspEditorContext())
            {
                return null;
            }
 
            return new CommitManager(textView, _recentItemsManager, _globalOptions, _threadingContext, _languageServerSnippetExpander);
        }
    }
}