// 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.IO;

namespace Microsoft.CodeAnalysis.Remote.Diagnostics
{
    /// <summary>
    /// For analyzers shipped in Roslyn, different set of assemblies might be used when running
    /// in-proc and OOP e.g. in-proc (VS) running on desktop clr and OOP running on ServiceHub .Net6
    /// host. We need to make sure to use the ones from the same location as the remote.
    /// </summary>
    internal sealed class RemoteAnalyzerAssemblyLoader : AnalyzerAssemblyLoader
    {
        private readonly string _baseDirectory;

        public RemoteAnalyzerAssemblyLoader(string baseDirectory)
        {
            _baseDirectory = baseDirectory;
        }

        protected override string PreparePathToLoad(string fullPath)
        {
            var fixedPath = Path.GetFullPath(Path.Combine(_baseDirectory, Path.GetFileName(fullPath)));
            return File.Exists(fixedPath) ? fixedPath : fullPath;
        }
    }
}
