using Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

namespace Microsoft.CodeAnalysis.CSharp.Syntax;

public sealed class CasePatternSwitchLabelSyntax : SwitchLabelSyntax
{
	private PatternSyntax? pattern;

	private WhenClauseSyntax? whenClause;

	public override SyntaxToken Keyword => new SyntaxToken((SyntaxNode)(object)this, (GreenNode)(object)((Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CasePatternSwitchLabelSyntax)(object)((SyntaxNode)this).Green).keyword, ((SyntaxNode)this).Position, 0);

	public PatternSyntax Pattern => ((SyntaxNode)this).GetRed<PatternSyntax>(ref pattern, 1);

	public WhenClauseSyntax? WhenClause => ((SyntaxNode)this).GetRed<WhenClauseSyntax>(ref whenClause, 2);

	public override SyntaxToken ColonToken => new SyntaxToken((SyntaxNode)(object)this, (GreenNode)(object)((Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CasePatternSwitchLabelSyntax)(object)((SyntaxNode)this).Green).colonToken, ((SyntaxNode)this).GetChildPosition(3), ((SyntaxNode)this).GetChildIndex(3));

	internal CasePatternSwitchLabelSyntax(Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CSharpSyntaxNode green, SyntaxNode? parent, int position)
		: base(green, parent, position)
	{
	}

	internal override SyntaxNode? GetNodeSlot(int index)
	{
		return (SyntaxNode?)(index switch
		{
			1 => ((SyntaxNode)this).GetRed<PatternSyntax>(ref pattern, 1), 
			2 => ((SyntaxNode)this).GetRed<WhenClauseSyntax>(ref whenClause, 2), 
			_ => null, 
		});
	}

	internal override SyntaxNode? GetCachedSlot(int index)
	{
		return (SyntaxNode?)(index switch
		{
			1 => pattern, 
			2 => whenClause, 
			_ => null, 
		});
	}

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

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

	public CasePatternSwitchLabelSyntax Update(SyntaxToken keyword, PatternSyntax pattern, WhenClauseSyntax? whenClause, SyntaxToken colonToken)
	{
		//IL_0000: Unknown result type (might be due to invalid IL or missing references)
		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
		//IL_002f: Unknown result type (might be due to invalid IL or missing references)
		//IL_0032: Unknown result type (might be due to invalid IL or missing references)
		//IL_0020: Unknown result type (might be due to invalid IL or missing references)
		//IL_0023: Unknown result type (might be due to invalid IL or missing references)
		if (keyword != Keyword || pattern != Pattern || whenClause != WhenClause || colonToken != ColonToken)
		{
			CasePatternSwitchLabelSyntax casePatternSwitchLabelSyntax = SyntaxFactory.CasePatternSwitchLabel(keyword, pattern, whenClause, colonToken);
			SyntaxAnnotation[] annotations = ((SyntaxNode)this).GetAnnotations();
			if (annotations == null || annotations.Length == 0)
			{
				return casePatternSwitchLabelSyntax;
			}
			return casePatternSwitchLabelSyntax.WithAnnotations(annotations);
		}
		return this;
	}

	internal override SwitchLabelSyntax WithKeywordCore(SyntaxToken keyword)
	{
		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
		return WithKeyword(keyword);
	}

	public new CasePatternSwitchLabelSyntax WithKeyword(SyntaxToken keyword)
	{
		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
		//IL_000f: Unknown result type (might be due to invalid IL or missing references)
		return Update(keyword, Pattern, WhenClause, ColonToken);
	}

	public CasePatternSwitchLabelSyntax WithPattern(PatternSyntax pattern)
	{
		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
		//IL_000f: Unknown result type (might be due to invalid IL or missing references)
		return Update(Keyword, pattern, WhenClause, ColonToken);
	}

	public CasePatternSwitchLabelSyntax WithWhenClause(WhenClauseSyntax? whenClause)
	{
		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
		//IL_000f: Unknown result type (might be due to invalid IL or missing references)
		return Update(Keyword, Pattern, whenClause, ColonToken);
	}

	internal override SwitchLabelSyntax WithColonTokenCore(SyntaxToken colonToken)
	{
		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
		return WithColonToken(colonToken);
	}

	public new CasePatternSwitchLabelSyntax WithColonToken(SyntaxToken colonToken)
	{
		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
		//IL_0013: Unknown result type (might be due to invalid IL or missing references)
		return Update(Keyword, Pattern, WhenClause, colonToken);
	}
}