namespace YLErp.Modules.EodModule.SettlementModule
{
    /// <summary>
    /// 日终结算请求
    /// </summary>
    public class EodSettlementRequest
    {
        bool _readonly;

        private DateTime _settleDate;
        protected string _volType;
        protected bool _useClosePrice;

        private IEnumerable<int> _clientId;

        private bool _isSettleOtcTrades = true;
        private bool _isSettleExchangeTrades = true;

        public EodSettlementRequest(OptUserInfo userInfo)
        {
            UserInfo = userInfo ?? throw new ArgumentNullException(nameof(userInfo));
            SuspensionUnderlyingIds = EodDataHelper.GetSuspensionUnderlyingIds();
        }

        #region----属性只读----

        public bool Readonly => _readonly;

        private void CheckReadonly()
        {
            if (_readonly)
            {
                throw new InvalidOperationException();
            }
        }

        public EodSettlementRequest AsReadonly()
        {
            _readonly = true;
            return this;
        }

        #endregion

        public OptUserInfo UserInfo { get; }

        /// <summary>
        /// 结算日期
        /// </summary>
        public DateTime SettleDate
        {
            get => _settleDate;
            set
            {
                CheckReadonly();
                _settleDate = value;
            }
        }

        /// <summary>
        /// 结算用的波动率类型
        /// </summary>
        public string VolType
        {
            get => _volType;
            set
            {
                CheckReadonly();
                _volType = value;
            }
        }

        /// <summary>
        /// 是否使用收盘价结算
        /// </summary>
        public bool UseClosePrice
        {
            get => _useClosePrice;
            set
            {
                CheckReadonly();
                _useClosePrice = value;
            }
        }

        /// <summary>
        /// 是否结算衍生品交易(默认true)
        /// </summary>
        public bool IsSettleOtcTrades
        {
            get => _isSettleOtcTrades;
            set
            {
                CheckReadonly();
                _isSettleOtcTrades = value;
            }
        }

        /// <summary>
        /// 只结算所给客户ID的交易
        /// 注意:只用于衍生品交易结算时
        /// </summary>
        public IEnumerable<int> ClientIds
        {
            get => _clientId;
            set
            {
                CheckReadonly();
                _clientId = value;
            }
        }

        /// <summary>
        /// 是否结算场内交易(默认true)
        /// </summary>
        public bool IsSettleExchangeTrades
        {
            get => _isSettleExchangeTrades;
            set
            {
                CheckReadonly();
                _isSettleExchangeTrades = value;
            }
        }

        /// <summary>
        /// 停牌标的ID集合
        /// </summary>
        public IEnumerable<int> SuspensionUnderlyingIds { get; }

        /// <summary>
        /// 涨跌停标的集合
        /// </summary>
        public IEnumerable<int> DelayUnderlyIds { get; set; }

        /// <summary>
        /// 是否部分结算
        /// </summary>
        public bool IsPartialSettlement
        {
            get
            {
                if (ClientIds!=null)
                {
                    return true;
                }
                return !(IsSettleOtcTrades && IsSettleExchangeTrades);
            }
        }

        /// <summary>
        /// 是否延期交易
        /// </summary>
        public bool IsDelayTrade { get; set; }

        /// <summary>
        /// 克隆对象(克隆后非只读)
        /// </summary>
        public EodSettlementRequest Clone(bool asReadonly = false)
        {
            var clone = (EodSettlementRequest)MemberwiseClone();
            clone._readonly = asReadonly;
            return clone;
        }

        /// <summary>
        /// 返回收盘价或结算价
        /// </summary>
        public string GetPriceType()
        {
            return UseClosePrice ? ConsGlobal.SettlePriceMode.收盘价 : ConsGlobal.SettlePriceMode.结算价;
        }

        public override string ToString()
        {
            var priceType = UseClosePrice ? "收盘价" : "结算价";

            return $"{SettleDate:yyyy-MM-dd},{VolType},{priceType}";
        }
    }
}