// 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.Collections.Immutable;
using Microsoft.CodeAnalysis.Diagnostics;

namespace Microsoft.CodeAnalysis.CodeFixes;

internal sealed partial class CodeFixService
{
    private sealed class ProjectCodeFixProvider
        : AbstractProjectExtensionProvider<ProjectCodeFixProvider, CodeFixProvider, ExportCodeFixProviderAttribute>
    {
        protected override ImmutableArray<string> GetLanguages(ExportCodeFixProviderAttribute exportAttribute)
            => [.. exportAttribute.Languages];

        protected override bool TryGetExtensionsFromReference(AnalyzerReference reference, out ImmutableArray<CodeFixProvider> extensions)
        {
            // check whether the analyzer reference knows how to return fixers directly.
            if (reference is ICodeFixProviderFactory codeFixProviderFactory)
            {
                extensions = codeFixProviderFactory.GetFixers();
                return true;
            }

            extensions = default;
            return false;
        }
    }
}