// 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 Microsoft.CodeAnalysis.Editing;
 
namespace Microsoft.CodeAnalysis.CodeGeneration;
 
internal sealed class CodeGenerationEventSymbol(
    INamedTypeSymbol? containingType,
    ImmutableArray<AttributeData> attributes,
    Accessibility declaredAccessibility,
    DeclarationModifiers modifiers,
    ITypeSymbol type,
    ImmutableArray<IEventSymbol> explicitInterfaceImplementations,
    string name,
    IMethodSymbol? addMethod,
    IMethodSymbol? removeMethod,
    IMethodSymbol? raiseMethod) : CodeGenerationSymbol(containingType?.ContainingAssembly, containingType, attributes, declaredAccessibility, modifiers, name), IEventSymbol
{
    public ITypeSymbol Type { get; } = type;
    public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;
 
    public ImmutableArray<IEventSymbol> ExplicitInterfaceImplementations { get; } = explicitInterfaceImplementations.NullToEmpty();
 
    public IMethodSymbol? AddMethod { get; } = addMethod;
    public IMethodSymbol? RemoveMethod { get; } = removeMethod;
    public IMethodSymbol? RaiseMethod { get; } = raiseMethod;
 
    protected override CodeGenerationSymbol Clone()
    {
        return new CodeGenerationEventSymbol(
            this.ContainingType, this.GetAttributes(), this.DeclaredAccessibility,
            this.Modifiers, this.Type, this.ExplicitInterfaceImplementations,
            this.Name, this.AddMethod, this.RemoveMethod, this.RaiseMethod);
    }
 
    public override SymbolKind Kind => SymbolKind.Event;
 
    public override void Accept(SymbolVisitor visitor)
        => visitor.VisitEvent(this);
 
    public override TResult? Accept<TResult>(SymbolVisitor<TResult> visitor)
        where TResult : default
        => visitor.VisitEvent(this);
 
    public override TResult Accept<TArgument, TResult>(SymbolVisitor<TArgument, TResult> visitor, TArgument argument)
        => visitor.VisitEvent(this, argument);
 
    public new IEventSymbol OriginalDefinition => this;
 
    public bool IsWindowsRuntimeEvent => false;
 
    public IEventSymbol? OverriddenEvent => null;
 
#if !ROSLYN_4_12_OR_LOWER
    public IEventSymbol? PartialImplementationPart => null;
 
    public IEventSymbol? PartialDefinitionPart => null;
 
    public bool IsPartialDefinition => false;
#endif
 
    public static ImmutableArray<CustomModifier> TypeCustomModifiers => [];
}