using System;
using Org.BouncyCastle.Security;

namespace Org.BouncyCastle.Pkix;

[Serializable]
public class PkixCertPathValidatorException : GeneralSecurityException
{
	private Exception cause;

	private PkixCertPath certPath;

	private int index = -1;

	public override string Message
	{
		get
		{
			string message = base.Message;
			if (message != null)
			{
				return message;
			}
			if (cause != null)
			{
				return cause.Message;
			}
			return null;
		}
	}

	public PkixCertPath CertPath => certPath;

	public int Index => index;

	public PkixCertPathValidatorException()
	{
	}

	public PkixCertPathValidatorException(string message)
		: base(message)
	{
	}

	public PkixCertPathValidatorException(string message, Exception cause)
		: base(message)
	{
		this.cause = cause;
	}

	public PkixCertPathValidatorException(string message, Exception cause, PkixCertPath certPath, int index)
		: base(message)
	{
		if (certPath == null && index != -1)
		{
			throw new ArgumentNullException("certPath = null and index != -1");
		}
		if (index < -1 || (certPath != null && index >= certPath.Certificates.Count))
		{
			throw new IndexOutOfRangeException(" index < -1 or out of bound of certPath.getCertificates()");
		}
		this.cause = cause;
		this.certPath = certPath;
		this.index = index;
	}
}