using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Wood.Util;

namespace Wood.Util
{
    /// <summary>
    /// 生成数据库主键Id
    /// </summary>
    public class IdGeneratorHelper
    {
        //private int SnowFlakeWorkerId = GlobalContext.SystemConfig!.SnowFlakeWorkerId;

        //private Snowflake snowflake;

        private static readonly IdGeneratorHelper instance = new IdGeneratorHelper();

        private IdGeneratorHelper()
        {
            //snowflake = new Snowflake(SnowFlakeWorkerId, 0, 0);
        }

        public static IdGeneratorHelper Instance
        {
            get
            {
                return instance;
            }
        }
        /// <summary>
        /// 雪花id
        /// </summary>
        /// <returns></returns>
        public long GetId()
        {
            return SnowFlakeSingle.Instance.NextId();
        }
		/// <summary>
		/// Guid
        /// format
		/// N - 32 个数字，没有分隔符
		/// xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
		/// D - 使用连字符 (hyphen) 分隔的 32 个数字
		/// xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
		/// B - 使用大括号包围的 D 格式
		/// {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}
		/// P - 使用圆括号包围的 D 格式
		/// (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx)
		/// X - 使用大括号包围的 X 格式，与 B 类似但每个十六进制值都用大写表示，并且在每组之间添加空格
		/// {0xXX,0xXX,0xXX,0xXX,0xXX,0xXX,0xXX,0xXX,0xXX,0xXX,0xXX,0xXX,0xXX,0xXX,0xXX,0xXX}
		/// Y - 使用大括号包围的 D 格式，但在第三组前添加 "4-" 和 "8-" 前缀以指示版本和变体信息
		/// {xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx}
		/// </summary>
		/// <returns></returns>
		public string GetGuid(string format="")
        {
            if(string.IsNullOrEmpty(format))
            {
                return Guid.NewGuid().ToString().ToUpper();
            }
            return Guid.NewGuid().ToString(format).ToUpper();
        }
    }
}