// 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.
 
#nullable disable
 
using System.Runtime.InteropServices;
using Microsoft.CodeAnalysis;
using Microsoft.VisualStudio.LanguageServices.Implementation.CodeModel.Collections;
using Microsoft.VisualStudio.LanguageServices.Implementation.Interop;
using Microsoft.VisualStudio.LanguageServices.Implementation.Utilities;
 
namespace Microsoft.VisualStudio.LanguageServices.Implementation.CodeModel.ExternalElements;
 
[ComVisible(true)]
[ComDefaultInterface(typeof(EnvDTE.CodeNamespace))]
public sealed class ExternalCodeNamespace : AbstractExternalCodeElement, EnvDTE.CodeNamespace, EnvDTE.CodeElement
{
    internal static EnvDTE.CodeNamespace Create(CodeModelState state, ProjectId projectId, INamespaceSymbol namespaceSymbol)
    {
        var newElement = new ExternalCodeNamespace(state, projectId, namespaceSymbol);
        return (EnvDTE.CodeNamespace)ComAggregate.CreateAggregatedObject(newElement);
    }
 
    private ExternalCodeNamespace(CodeModelState state, ProjectId projectId, INamespaceSymbol namespaceSymbol)
        : base(state, projectId, namespaceSymbol)
    {
    }
 
    private INamespaceSymbol NamespaceSymbol
    {
        get { return (INamespaceSymbol)LookupSymbol(); }
    }
 
    protected override string GetDocComment()
        => string.Empty;
 
    public override EnvDTE.vsCMElement Kind
    {
        get { return EnvDTE.vsCMElement.vsCMElementNamespace; }
    }
 
    public EnvDTE.CodeElements Members
    {
        get { return ExternalNamespaceCollection.Create(State, this, ProjectId, NamespaceSymbol); }
    }
 
    public EnvDTE.CodeClass AddClass(string name, object position, object bases, object implementedInterfaces, EnvDTE.vsCMAccess access)
        => throw Exceptions.ThrowEFail();
 
    public EnvDTE.CodeDelegate AddDelegate(string name, object type, object position, EnvDTE.vsCMAccess access)
        => throw Exceptions.ThrowEFail();
 
    public EnvDTE.CodeEnum AddEnum(string name, object position, object bases, EnvDTE.vsCMAccess access)
        => throw Exceptions.ThrowEFail();
 
    public EnvDTE.CodeInterface AddInterface(string name, object position, object bases, EnvDTE.vsCMAccess access)
        => throw Exceptions.ThrowEFail();
 
    public EnvDTE.CodeNamespace AddNamespace(string name, object position)
        => throw Exceptions.ThrowEFail();
 
    public EnvDTE.CodeStruct AddStruct(string name, object position, object bases, object implementedInterfaces, EnvDTE.vsCMAccess access)
        => throw Exceptions.ThrowEFail();
 
    public void Remove(object element)
        => throw Exceptions.ThrowEFail();
}