// 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 Microsoft.CommonLanguageServerProtocol.Framework;
using Microsoft.Extensions.Logging;
using Microsoft.VisualStudio.Composition;
 
namespace Microsoft.CodeAnalysis.LanguageServer;
 
internal sealed class ExtensionTypeRefResolver(IAssemblyLoader assemblyLoader, ILoggerFactory loggerFactory) : AbstractTypeRefResolver
{
    private readonly ILogger _logger = loggerFactory.CreateLogger(nameof(ExtensionTypeRefResolver));
 
    protected override Type? ResolveCore(TypeRef typeRef)
    {
        _logger.LogTrace("Resolving type, {typeRef}", typeRef);
 
        var result = Type.GetType(
            typeRef.AssemblyQualifiedName,
            assemblyResolver: assemblyName =>
            {
                if (typeRef.CodeBase is not null)
                {
#pragma warning disable SYSLIB0044 // Type or member is obsolete
                    assemblyName.CodeBase = typeRef.CodeBase;
#pragma warning restore SYSLIB0044 // Type or member is obsolete
                }
 
                return assemblyLoader.LoadAssembly(assemblyName);
            },
            typeResolver: null);
 
        if (result is null)
        {
            _logger.LogCritical("Could not resolve {typeRef}", typeRef);
        }
 
        return result;
    }
}