using Org.BouncyCastle.Asn1.X509.Qualified;
using System;
using System.ComponentModel;
using System.Reflection;
using System.Windows.Forms;

namespace ZJ_BYD.Untils
{
    public class EnumHelper
    {
        /// <summary>
        /// 根据值获取枚举方法
        /// </summary>
        /// <param name="enumType"></param>
        /// <param name="value"></param>
        /// <returns></returns>
        public static Enum GetEnumByValue(Type enumType, int value)
        {
            try
            {
                var flag = Enum.IsDefined(enumType, value);
                if (flag)
                {
                    return Enum.Parse(enumType, Enum.GetName(enumType, value)) as Enum;
                }
                else
                {
                    return null;
                }
            }
            catch (Exception ex)
            {
                var errMsg = ex == null ? "未知异常" : ex.Message;
                MessageBox.Show($"GetEnumDescription方法出发异常:{errMsg}，枚举值={value}请联系管理员！");
                return null;
            }
        }

        /// <summary>
        /// 获取枚举的Description
        /// </summary>
        /// <param name="enumValue"></param>
        /// <returns></returns>
        public static string GetEnumDescription(Enum enumValue)
        {
            try
            {
                string value = enumValue.ToString();
                FieldInfo field = enumValue.GetType().GetField(value);
                object[] objs = field.GetCustomAttributes(typeof(DescriptionAttribute), false);  //获取描述属性
                if (objs == null || objs.Length == 0)  //当描述属性没有时，直接返回名称
                    return value;
                DescriptionAttribute descriptionAttribute = (DescriptionAttribute)objs[0];
                return descriptionAttribute.Description;
            }
            catch (Exception ex)
            {
                var errMsg = ex == null ? "未知异常" : ex.Message;
                MessageBox.Show($"GetEnumDescription方法出发异常:{errMsg}，枚举值={enumValue}，请联系管理员！");
                return "";
            }
        }
    }
}