// 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.CodeAnalysis.Shared.Extensions;
 
namespace Microsoft.CodeAnalysis.CodeGeneration
{
    internal static class INamedTypeSymbolExtensions
    {
        public static CodeGenerationAbstractNamedTypeSymbol ToCodeGenerationSymbol(this INamedTypeSymbol namedType)
        {
            if (namedType is CodeGenerationAbstractNamedTypeSymbol typeSymbol)
            {
                return typeSymbol;
            }
 
            return new CodeGenerationNamedTypeSymbol(
                namedType.ContainingAssembly,
                namedType.ContainingType,
                namedType.GetAttributes(),
                namedType.DeclaredAccessibility,
                namedType.GetSymbolModifiers(),
                namedType.IsRecord,
                namedType.TypeKind,
                namedType.Name,
                namedType.TypeParameters,
                namedType.BaseType,
                namedType.Interfaces,
                namedType.SpecialType,
                namedType.NullableAnnotation,
                namedType.GetMembers().WhereAsArray(s => s is not INamedTypeSymbol),
                namedType.GetTypeMembers().SelectAsArray(t => t.ToCodeGenerationSymbol()),
                namedType.EnumUnderlyingType);
        }
    }
}