using System;
using System.ComponentModel;
using System.Text;

namespace Gestor.Application.Helpers;

public class BindingEnumHelper
{
	public static string ConcatenarDescricoesEnum<TEnum>(string valores) where TEnum : Enum
	{
		if (valores == null)
		{
			return null;
		}
		return ConcatenarDescricoesEnum<TEnum>(Array.ConvertAll(valores.Split(new char[1] { ',' }), int.Parse));
	}

	private static string ConcatenarDescricoesEnum<TEnum>(int[] valores) where TEnum : Enum
	{
		StringBuilder stringBuilder = new StringBuilder();
		foreach (int num in valores)
		{
			if (Enum.IsDefined(typeof(TEnum), num))
			{
				string text = ObterDescricaoEnum((TEnum)Enum.ToObject(typeof(TEnum), num));
				stringBuilder.Append(text + ", ");
			}
			else
			{
				stringBuilder.Append("Valor desconhecido, ");
			}
		}
		return stringBuilder.ToString().TrimEnd(',', ' ');
	}

	private static string ObterDescricaoEnum<TEnum>(TEnum valor) where TEnum : Enum
	{
		DescriptionAttribute[] array = (DescriptionAttribute[])valor.GetType().GetField(valor.ToString()).GetCustomAttributes(typeof(DescriptionAttribute), inherit: false);
		if (array != null && array.Length != 0)
		{
			return array[0].Description;
		}
		return valor.ToString();
	}
}