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

namespace YLErp.Enums
{
    [Flags]
    public enum MarginScenarioEnum
    {
        None = 0,

        /// <summary>
        /// 初始预付金
        /// </summary>
        Initial = 1 << 0,

        /// <summary>
        /// 持仓预付金
        /// </summary>
        Position = 1 << 1,

        /// <summary>
        /// 全部
        /// </summary>
        All = Initial | Position
    }

    public static class MarginScenarioUtil
    {
        /// <summary>
        /// 获取枚举描述
        /// </summary>
        public static string GetDesc(MarginScenarioEnum type)
        {
            return InnerGetDesc(type);
        }

        private static string InnerGetDesc(MarginScenarioEnum type)
        {
            switch (type)
            {
                case MarginScenarioEnum.Initial:
                    return "初始预付金";
                case MarginScenarioEnum.Position:
                    return "持仓预付金";
                default:
                    break;
            }

            var nt = (int)type;
            var list = new List<string>(2);

            for (var i = 0; i <= 1; i++)
            {
                if ((nt & (1 << i)) > 0)
                {
                    type = (MarginScenarioEnum)(1 << i);
                    list.Add(InnerGetDesc(type));
                }
            }

            return string.Join(",", list);
        }
    }
}