// Copyright 2009-2022 Josh Close
// This file is a part of CsvHelper and is dual licensed under MS-PL and Apache 2.0.
// See LICENSE.txt for details or visit http://www.opensource.org/licenses/ms-pl.html for MS-PL and http://opensource.org/licenses/Apache-2.0 for Apache 2.0.
// https://github.com/JoshClose/CsvHelper
using System;

namespace CsvHelper
{
	/// <summary>
	/// Represents a header validation failure.
	/// </summary>
	public class HeaderValidationException : ValidationException
	{
		/// <summary>
		/// Gets the invalid headers.
		/// </summary>
		public InvalidHeader[] InvalidHeaders { get; private set; }

		/// <summary>
		/// Initializes a new instance of the <see cref="ValidationException"/> class.
		/// </summary>
		/// <param name="context">The reading context.</param>
		/// <param name="invalidHeaders">The invalid headers.</param>
		public HeaderValidationException(CsvContext context, InvalidHeader[] invalidHeaders) : base(context)
		{
			InvalidHeaders = invalidHeaders;
		}

		/// <summary>
		/// Initializes a new instance of the <see cref="ValidationException"/> class
		/// with a specified error message.
		/// </summary>
		/// <param name="context">The reading context.</param>
		/// <param name="invalidHeaders">The invalid headers.</param>
		/// <param name="message">The message that describes the error.</param>
		public HeaderValidationException(CsvContext context, InvalidHeader[] invalidHeaders, string message) : base(context, message)
		{
			InvalidHeaders = invalidHeaders;
		}

		/// <summary>
		/// Initializes a new instance of the <see cref="ValidationException"/> class
		/// with a specified error message and a reference to the inner exception that 
		/// is the cause of this exception.
		/// </summary>
		/// <param name="context">The reading context.</param>
		/// <param name="invalidHeaders">The invalid headers.</param>
		/// <param name="message">The error message that explains the reason for the exception.</param>
		/// <param name="innerException">The exception that is the cause of the current exception, or a null reference (Nothing in Visual Basic) if no inner exception is specified.</param>
		public HeaderValidationException(CsvContext context, InvalidHeader[] invalidHeaders, string message, Exception innerException) : base(context, message, innerException)
		{
			InvalidHeaders = invalidHeaders;
		}
	}
}