// 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 System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Rename;
using Roslyn.Utilities;

namespace Microsoft.CodeAnalysis.ExternalAccess.OmniSharp;

internal static class OmniSharpRenamer
{
    public readonly record struct RenameResult(Solution? Solution, string? ErrorMessage);

    public static async Task<RenameResult> RenameSymbolAsync(
        Solution solution,
        ISymbol symbol,
        string newName,
        OmniSharpRenameOptions options,
        ImmutableHashSet<ISymbol>? nonConflictSymbols,
        CancellationToken cancellationToken)
    {
        var nonConflictSymbolsKeys = nonConflictSymbols is null ? default : nonConflictSymbols.SelectAsArray(s => s.GetSymbolKey(cancellationToken));
        var resolution = await Renamer.RenameSymbolAsync(solution, symbol, newName, options.ToRenameOptions(), cancellationToken).ConfigureAwait(false);
        return new RenameResult(resolution.NewSolution, resolution.ErrorMessage);
    }
}