using YLErp.BLL;
using YLErp.Model.Enum;

namespace YLErp.Modules.TradeModule.DealModule
{
    /// <summary>
    /// 交易拒绝服务
    /// </summary>
    public class TradeRejectService : TradeServiceBase
    {
        public TradeRejectService(YLBaseService baseService) : base(baseService)
        {
        }

        public TradeRejectService(OptUserInfo userInfo) : base(userInfo)
        {
        }

        /// <summary>
        /// from tradecontroller.TradeReject
        /// </summary>
        public void OtcOptionTradeReject(trade req, int tradeId)
        {
            if (req is null)
            {
                throw new ArgumentNullException(nameof(req));
            }

            var trade = DbContext.trade.Find(tradeId);
            if (trade == null)
            {
                throw new ServiceException("系统中没有此交易");
            }
            trade.MetaDic = DbContext.TradeMeta.Where(a => a.TradeId == req.id).ToDictionary(a => a.MetaKey, a => a.MetaValue);
            if (trade.TradeStatus != ConsTrade.审批中 && trade.TradeStatus != ConsTrade.行权待复核 && trade.TradeStatus != ConsTrade.平仓待复核 && trade.TradeStatus != ConsTrade.互换待复核)
            {
                throw new ServiceException("该交易状态已变更，不能被拒绝，请先刷新页面");
            }

            
            tradeBLL.SetFieldsByTradeType(trade);


            //if (req.TradeOpenVolatility.HasValue && req.TradeOpenVolatility.Value < 0)
            //{
            //    throw new ServiceException("成交波动率不能小于0");
            //}

            //if (req.TradeCloseVolatility.HasValue && req.TradeCloseVolatility.Value < 0)
            //{
            //    throw new ServiceException("目标波动率不能小于0");
            //}

            if (!req.PremiumPayDate.HasValue)
            {
                req.PremiumPayDate = req.TradeDate;
            }
            //else if (req.PremiumPayDate < req.TradeDate && req.PremiumPayDate > req.ExerciseDate)
            //{
            //    throw new ServiceException("权利金应付日必须介于交易日与到期日之间!");
            //}

            //if (req.NumOfSmoothingDays.HasValue)
            //{
            //    if (req.NumOfSmoothingDays.Value < 0)
            //    {
            //        throw new ServiceException("平滑过渡天数不能小于0");
            //    }
            //}

            //if (req.TradeType == "价差期权")
            //{
            //    var errMsg = SpreadOptionValidator.Validate(req);
            //    if (!string.IsNullOrEmpty(errMsg))
            //    {
            //        throw new ServiceException(errMsg);
            //    }
            //}
            if (trade != null)
            {
                trade.ProcessOrderId = Convert.ToInt32(PStatusEnum.reject);
                trade.TradeStatus = ConsTrade.已拒绝;
                trade.ProcessOptDate = DateTime.Now;
                trade.ProcessStatus = "已拒绝";
                trade.CheckStatus = 0;
            }

            var diffList = TradeCheckUtil.GetDiffs(trade, req);

            if (diffList?.Count > 0)
            {
                TradeCheckUtil.SaveTradeCheck(trade, req, UserId, UserName);
            }

            AddTradeOperationHistoryAndSetParentTradeInfo(false, trade, "交易复核拒绝成功");

            DbContext.SaveChanges();
        }

        /// <summary>
        /// from forwardtradecontroller.TradeReject
        /// </summary>
        public void ForwardTradeReject(trade req, int tradeId)
        {
            if (req is null)
            {
                throw new ArgumentNullException(nameof(req));
            }

            var trade = DbContext.trade.Find(tradeId);

            if (trade == null)
            {
                throw new ServiceException("系统中没有此交易");
            }

            tradeBLL.SetFieldsByTradeType(trade);

            if (trade != null)
            {
                trade.ProcessOrderId = Convert.ToInt32(PStatusEnum.reject);
                trade.TradeStatus = ConsTrade.已拒绝;
                trade.ProcessOptDate = DateTime.Now;
                trade.ProcessStatus = "已拒绝";
                trade.CheckStatus = 0;
            }

            var diffList = TradeCheckUtil.GetDiffs(trade, req);

            if (diffList?.Count > 0)
            {
                TradeCheckUtil.SaveTradeCheck(trade, req, UserId, UserName);
            }

            AddTradeOperationHistoryAndSetParentTradeInfo(false, trade, "交易复核拒绝成功");

            DbContext.SaveChanges();
        }
    }
}