using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace WCS.Utils
{
    public class EnumHelper
    {
        public static string GetDescription(Enum value)
        {
            if (value == null)
            {
                throw new ArgumentException("value");
            }
            string description = value.ToString();
            var fieldInfo = value.GetType().GetField(description);
            var attributes =
                (EnumDescriptionAttribute[])fieldInfo.GetCustomAttributes(typeof(EnumDescriptionAttribute), false);
            if (attributes != null && attributes.Length > 0)
            {
                description = attributes[0].Description;
            }
            return description;
        }



        public static string GetEnumDescription<T>(string enumName) where T : Enum
        {
            Type enumType = typeof(T);
            if (!enumType.IsEnum)
            {
                throw new ArgumentException("T must be an enumerated type");
            }

            var enumField = enumType.GetField(enumName);
            if (enumField == null)
            {
                throw new ArgumentException($"No enum found with name {enumName} in {enumType}");
            }

            var attributes = (EnumDescriptionAttribute[])enumField.GetCustomAttributes(typeof(EnumDescriptionAttribute), false);
            return attributes.Length > 0 ? attributes[0].Description : enumName;
        }
    }
}