// 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;
using System.Runtime.InteropServices;
using Microsoft.VisualStudio.LanguageServices.Implementation.CodeModel.Collections;
using Microsoft.VisualStudio.LanguageServices.Implementation.Interop;
 
namespace Microsoft.VisualStudio.LanguageServices.Implementation.CodeModel.InternalElements;
 
[ComVisible(true)]
[ComDefaultInterface(typeof(EnvDTE80.CodeStruct2))]
public sealed class CodeStruct : AbstractCodeType, EnvDTE.CodeStruct, EnvDTE80.CodeStruct2
{
    internal static EnvDTE.CodeStruct Create(
        CodeModelState state,
        FileCodeModel fileCodeModel,
        SyntaxNodeKey nodeKey,
        int? nodeKind)
    {
        var element = new CodeStruct(state, fileCodeModel, nodeKey, nodeKind);
        var result = (EnvDTE.CodeStruct)ComAggregate.CreateAggregatedObject(element);
 
        fileCodeModel.OnCodeElementCreated(nodeKey, (EnvDTE.CodeElement)result);
 
        return result;
    }
 
    internal static EnvDTE.CodeStruct CreateUnknown(
        CodeModelState state,
        FileCodeModel fileCodeModel,
        int nodeKind,
        string name)
    {
        var element = new CodeStruct(state, fileCodeModel, nodeKind, name);
        return (EnvDTE.CodeStruct)ComAggregate.CreateAggregatedObject(element);
    }
 
    private CodeStruct(
        CodeModelState state,
        FileCodeModel fileCodeModel,
        SyntaxNodeKey nodeKey,
        int? nodeKind)
        : base(state, fileCodeModel, nodeKey, nodeKind)
    {
    }
 
    private CodeStruct(
        CodeModelState state,
        FileCodeModel fileCodeModel,
        int nodeKind,
        string name)
        : base(state, fileCodeModel, nodeKind, name)
    {
    }
 
    public override EnvDTE.vsCMElement Kind
    {
        get { return EnvDTE.vsCMElement.vsCMElementStruct; }
    }
 
    public bool IsAbstract
    {
        get
        {
            // TODO: Fix -- C# uses the current node, not the symbol.
            var symbol = LookupSymbol();
            return symbol.IsAbstract;
        }
 
        set
        {
            // TODO: Fix -- C# will actually allow the user to set an abstract modifier on a struct. VB throws E_NOTIMPL
            throw new NotImplementedException();
        }
    }
 
    public EnvDTE.CodeElements Parts
    {
        get { return PartialTypeCollection.Create(State, this); }
    }
 
    public EnvDTE.CodeClass AddClass(string name, object position, object bases, object implementedInterfaces, EnvDTE.vsCMAccess access)
    {
        return FileCodeModel.EnsureEditor(() =>
        {
            return FileCodeModel.AddClass(LookupNode(), name, position, bases, implementedInterfaces, access);
        });
    }
 
    public EnvDTE.CodeDelegate AddDelegate(string name, object type, object position, EnvDTE.vsCMAccess access)
    {
        return FileCodeModel.EnsureEditor(() =>
        {
            return FileCodeModel.AddDelegate(LookupNode(), name, type, position, access);
        });
    }
 
    public EnvDTE.CodeEnum AddEnum(string name, object position, object bases, EnvDTE.vsCMAccess access)
    {
        return FileCodeModel.EnsureEditor(() =>
        {
            return FileCodeModel.AddEnum(LookupNode(), name, position, bases, access);
        });
    }
 
    public EnvDTE80.CodeEvent AddEvent(string name, string fullDelegateName, bool createPropertyStyleEvent, object position, EnvDTE.vsCMAccess access)
    {
        return FileCodeModel.EnsureEditor(() =>
        {
            return FileCodeModel.AddEvent(LookupNode(), name, fullDelegateName, createPropertyStyleEvent, position, access);
        });
    }
 
    public EnvDTE.CodeFunction AddFunction(string name, EnvDTE.vsCMFunction kind, object type, object position, EnvDTE.vsCMAccess access, object location)
    {
        return FileCodeModel.EnsureEditor(() =>
        {
            return FileCodeModel.AddFunction(LookupNode(), name, kind, type, position, access);
        });
    }
 
    public EnvDTE.CodeProperty AddProperty(string getterName, string putterName, object type, object position, EnvDTE.vsCMAccess access, object location)
    {
        return FileCodeModel.EnsureEditor(() =>
        {
            return FileCodeModel.AddProperty(LookupNode(), getterName, putterName, type, position, access);
        });
    }
 
    public EnvDTE.CodeStruct AddStruct(string name, object position, object bases, object implementedInterfaces, EnvDTE.vsCMAccess access)
    {
        return FileCodeModel.EnsureEditor(() =>
        {
            return FileCodeModel.AddStruct(LookupNode(), name, position, bases, implementedInterfaces, access);
        });
    }
 
    public EnvDTE.CodeVariable AddVariable(string name, object type, object position, EnvDTE.vsCMAccess access, object location)
    {
        return FileCodeModel.EnsureEditor(() =>
        {
            return FileCodeModel.AddVariable(LookupNode(), name, type, position, access);
        });
    }
}