using System;
using Kreta.Core.Enum;
using Kreta.Core.Exceptions;

namespace Kreta.Core.CustomAttributes
{
    [AttributeUsage(AttributeTargets.Property)]
    public class ColumnNameAttribute : Attribute
    {
        public string[] ColumnName { get; private set; }

        public ColumnNameAttribute(params string[] columnNames)
        {
            if (columnNames == null || columnNames.Length == 0)
            {
                throw new BlException(BlExceptionType.ListaNemTartalmazElemet);
            }

            foreach (string columnName in columnNames)
            {
                if (string.IsNullOrWhiteSpace(columnName))
                {
                    throw new BlException(BlExceptionType.ValtozoErtekeNemLehetNull);
                }
            }

            ColumnName = columnNames;
        }
    }
}