using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Models.Entity.LottomatBaseDB;
using Models.Entity.LotteryNumDB;
using Models;
using System.Reflection;

namespace Common
{
    /// <summary>
    /// 枚举帮助类
    /// </summary>
    public static class EnumHelper
    {
        /// <summary>
        /// 获取彩种对应数据库表名称
        /// </summary>
        /// <param name="value">彩种枚举类型</param>
        /// <returns></returns>
        public static string GetSCCLotteryTableName(Enum value)
        {
            if (value == null)
            {
                throw new ArgumentException("value");
            }
            string TableName = value.ToString();
            var fieldInfo = value.GetType().GetField(TableName);
            var attributes = (TableNameAttribute[])fieldInfo.GetCustomAttributes(typeof(TableNameAttribute), false);
            if (attributes != null && attributes.Length > 0)
            {
                TableName = attributes[0].TableName;
            }
            return TableName;
        }


        /// <summary>
        /// 获取彩种对应TDK标签
        ///
        /// </summary>
        /// <param name="value">彩种枚举类型</param>
        /// <returns></returns>
        public static string GetSCCLotteryTDKTypeName(Enum value)
        {
            if (value == null)
            {
                throw new ArgumentException("value");
            }
            string TableName = value.ToString();
            var fieldInfo = value.GetType().GetField(TableName);
            var attributes = (TDKTypeAttribute[])fieldInfo.GetCustomAttributes(typeof(TDKTypeAttribute), false);
            if (attributes != null && attributes.Length > 0)
            {
                TableName = attributes[0].TDKType;
            }
            return TableName;
        }
        

        /// <summary>
        /// 获取彩种对应编码
        /// </summary>
        /// <param name="value">彩种枚举类型</param>
        /// <returns></returns>
        public static string GetLotteryCode(Enum value)
        {
            if (value == null)
            {
                throw new ArgumentException("value");
            }
            string code = value.ToString();
            var fieldInfo = value.GetType().GetField(code);

            var attributes = (LotteryCodeAttribute[])fieldInfo.GetCustomAttributes(typeof(LotteryCodeAttribute), false);
            if (attributes != null && attributes.Length > 0)
            {
                code = attributes[0].Code;
            }
            return code;
        }
        /// <summary>
        /// 获取彩种对应编码
        /// </summary>
        /// <param name="value">彩种枚举类型</param>
        /// <returns></returns>
        public static string GetLotteryText(Enum value)
        {
            if (value == null)
            {
                throw new ArgumentException("value");
            }
            string code = value.ToString();
            var fieldInfo = value.GetType().GetField(code);

            var attributes = (TextAttribute[])fieldInfo.GetCustomAttributes(typeof(TextAttribute), false);
            if (attributes != null && attributes.Length > 0)
            {
                code = attributes[0].Text;
            }
            return code;
        }


        /// <summary>
        /// 获取咨询数据库的表名
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        public static string GetZXTableName<T>()
        {

            var type = typeof(T)
;            var attribute = type.GetCustomAttributes(typeof(ZXTableNameAttribute), false).FirstOrDefault();
            if (attribute == null)
            {
                return null;
            }
            return ((ZXTableNameAttribute)attribute).TableName;
            
        }

        /// <summary>  
        /// 获取备注信息对应的枚举值  
        /// </summary>  
        /// <param name="text"></param>  
        /// <returns></returns>  
        public static string GETEnumTypeByText<T>( string text)
        {
            Type type = typeof(T);
            FieldInfo[] fds = type.GetFields();
            foreach (var fd in fds)
            {
                object[] attrs = fd.GetCustomAttributes(typeof(TextAttribute), false);
                foreach (TextAttribute attr in attrs)
                {
                    var name = attr.Text;
                    if (name == text)
                        return fd.Name;
                }
            }
            return null;
        }

    }
}