// Copyright 2009-2024 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
namespace CsvHelper.Configuration.Attributes;

/// <summary>
/// When reading, is used to get the 
/// index of the name used when there 
/// are multiple names that are the same.
/// </summary>
[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, AllowMultiple = false, Inherited = true)]
public class NameIndexAttribute : Attribute, IMemberMapper, IParameterMapper
{
	/// <summary>
	/// The name index.
	/// </summary>
	public int NameIndex { get; private set; }

	/// <summary>
	/// When reading, is used to get the 
	/// index of the name used when there 
	/// are multiple names that are the same.
	/// </summary>
	/// <param name="nameIndex">The name index.</param>
	public NameIndexAttribute(int nameIndex)
	{
		NameIndex = nameIndex;
	}

	/// <inheritdoc />
	public void ApplyTo(MemberMap memberMap)
	{
		memberMap.Data.NameIndex = NameIndex;
	}

	/// <inheritdoc />
	public void ApplyTo(ParameterMap parameterMap)
	{
		parameterMap.Data.NameIndex = NameIndex;
	}
}
