using System;
using System.Collections.Generic;
using Roslyn.Utilities;

namespace Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

internal sealed class ShebangDirectiveTriviaSyntax : DirectiveTriviaSyntax
{
	internal readonly SyntaxToken hashToken;

	internal readonly SyntaxToken exclamationToken;

	internal readonly SyntaxToken endOfDirectiveToken;

	internal readonly bool isActive;

	public override SyntaxToken HashToken => hashToken;

	public SyntaxToken ExclamationToken => exclamationToken;

	public override SyntaxToken EndOfDirectiveToken => endOfDirectiveToken;

	public override bool IsActive => isActive;

	internal ShebangDirectiveTriviaSyntax(SyntaxKind kind, SyntaxToken hashToken, SyntaxToken exclamationToken, SyntaxToken endOfDirectiveToken, bool isActive, DiagnosticInfo[]? diagnostics, SyntaxAnnotation[]? annotations)
		: base(kind, diagnostics, annotations)
	{
		((GreenNode)this).SlotCount = 3;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)hashToken);
		this.hashToken = hashToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)exclamationToken);
		this.exclamationToken = exclamationToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)endOfDirectiveToken);
		this.endOfDirectiveToken = endOfDirectiveToken;
		this.isActive = isActive;
	}

	internal ShebangDirectiveTriviaSyntax(SyntaxKind kind, SyntaxToken hashToken, SyntaxToken exclamationToken, SyntaxToken endOfDirectiveToken, bool isActive, SyntaxFactoryContext context)
		: base(kind)
	{
		SetFactoryContext(context);
		((GreenNode)this).SlotCount = 3;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)hashToken);
		this.hashToken = hashToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)exclamationToken);
		this.exclamationToken = exclamationToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)endOfDirectiveToken);
		this.endOfDirectiveToken = endOfDirectiveToken;
		this.isActive = isActive;
	}

	internal ShebangDirectiveTriviaSyntax(SyntaxKind kind, SyntaxToken hashToken, SyntaxToken exclamationToken, SyntaxToken endOfDirectiveToken, bool isActive)
		: base(kind)
	{
		((GreenNode)this).SlotCount = 3;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)hashToken);
		this.hashToken = hashToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)exclamationToken);
		this.exclamationToken = exclamationToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)endOfDirectiveToken);
		this.endOfDirectiveToken = endOfDirectiveToken;
		this.isActive = isActive;
	}

	internal override GreenNode? GetSlot(int index)
	{
		return (GreenNode?)(index switch
		{
			0 => hashToken, 
			1 => exclamationToken, 
			2 => endOfDirectiveToken, 
			_ => null, 
		});
	}

	internal override SyntaxNode CreateRed(SyntaxNode? parent, int position)
	{
		return (SyntaxNode)(object)new Microsoft.CodeAnalysis.CSharp.Syntax.ShebangDirectiveTriviaSyntax(this, parent, position);
	}

	public override void Accept(CSharpSyntaxVisitor visitor)
	{
		visitor.VisitShebangDirectiveTrivia(this);
	}

	public override TResult Accept<TResult>(CSharpSyntaxVisitor<TResult> visitor)
	{
		return visitor.VisitShebangDirectiveTrivia(this);
	}

	public ShebangDirectiveTriviaSyntax Update(SyntaxToken hashToken, SyntaxToken exclamationToken, SyntaxToken endOfDirectiveToken, bool isActive)
	{
		if (hashToken != HashToken || exclamationToken != ExclamationToken || endOfDirectiveToken != EndOfDirectiveToken)
		{
			ShebangDirectiveTriviaSyntax shebangDirectiveTriviaSyntax = SyntaxFactory.ShebangDirectiveTrivia(hashToken, exclamationToken, endOfDirectiveToken, isActive);
			DiagnosticInfo[] diagnostics = ((GreenNode)this).GetDiagnostics();
			if (diagnostics != null && diagnostics.Length != 0)
			{
				shebangDirectiveTriviaSyntax = GreenNodeExtensions.WithDiagnosticsGreen<ShebangDirectiveTriviaSyntax>(shebangDirectiveTriviaSyntax, diagnostics);
			}
			SyntaxAnnotation[] annotations = ((GreenNode)this).GetAnnotations();
			if (annotations != null && annotations.Length != 0)
			{
				shebangDirectiveTriviaSyntax = GreenNodeExtensions.WithAnnotationsGreen<ShebangDirectiveTriviaSyntax>(shebangDirectiveTriviaSyntax, (IEnumerable<SyntaxAnnotation>)annotations);
			}
			return shebangDirectiveTriviaSyntax;
		}
		return this;
	}

	internal override GreenNode SetDiagnostics(DiagnosticInfo[]? diagnostics)
	{
		return (GreenNode)(object)new ShebangDirectiveTriviaSyntax(base.Kind, hashToken, exclamationToken, endOfDirectiveToken, isActive, diagnostics, ((GreenNode)this).GetAnnotations());
	}

	internal override GreenNode SetAnnotations(SyntaxAnnotation[]? annotations)
	{
		return (GreenNode)(object)new ShebangDirectiveTriviaSyntax(base.Kind, hashToken, exclamationToken, endOfDirectiveToken, isActive, ((GreenNode)this).GetDiagnostics(), annotations);
	}

	internal ShebangDirectiveTriviaSyntax(ObjectReader reader)
		: base(reader)
	{
		((GreenNode)this).SlotCount = 3;
		SyntaxToken syntaxToken = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken);
		hashToken = syntaxToken;
		SyntaxToken syntaxToken2 = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken2);
		exclamationToken = syntaxToken2;
		SyntaxToken syntaxToken3 = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken3);
		endOfDirectiveToken = syntaxToken3;
		isActive = reader.ReadBoolean();
	}

	internal override void WriteTo(ObjectWriter writer)
	{
		((GreenNode)this).WriteTo(writer);
		writer.WriteValue((IObjectWritable)(object)hashToken);
		writer.WriteValue((IObjectWritable)(object)exclamationToken);
		writer.WriteValue((IObjectWritable)(object)endOfDirectiveToken);
		writer.WriteBoolean(isActive);
	}

	static ShebangDirectiveTriviaSyntax()
	{
		ObjectBinder.RegisterTypeReader(typeof(ShebangDirectiveTriviaSyntax), (Func<ObjectReader, IObjectWritable>)((ObjectReader r) => (IObjectWritable)(object)new ShebangDirectiveTriviaSyntax(r)));
	}
}