using YLErp.BLL;
using YLErp.Commons;
using YLErp.DBModels.Consts;
using YLErp.DBModels.Enums;
using YLErp.Model;
using YLErp.Modules.ClientModule;

namespace YLErp.Modules.TradeModule.DealModule
{
    /// <summary>
    /// 交易到期操作
    /// </summary>
    public class TradeExpireService : TradeServiceBase
    {
        public TradeExpireService(YLBaseService baseService) : base(baseService)
        {
        }

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


        /// <summary>
        /// 日终执行批量行权到期
        /// 迁移自:ExeExpireTradeCashJson
        /// </summary>
        public void ExeExpireTradeCash(TradeCashReq req, trade_cash formData)
        {
            var valueDate = valuedateBLL.ValueDate;
            //修改交易主表信息交易状态为已执行
            var td = DbContext.trade.FirstOrDefault(t => t.id == req.TradeId);
            if (td == null)
            {
                throw new ServiceException("更新失败，找不到要交割的主交易!");
            }

            if (td.TradeType == "结构化交易")
            {
                throw new ServiceException("操作失败，结构化交易主交易不支持此操作");
            }

            if (PS.Config.TradeElement.ExecuteAfterGeneratedConfirmDoc && !td.HasGeneratedConfirmBook() && td.TradeType != "自定义交易")
            {
                throw new ServiceException("请先去生成交易确认书!");
            }
            if (td.TradeStatus != ConsTrade.确认成交 && td.TradeStatus != ConsTrade.提前终止拒绝 && td.TradeStatus != ConsTrade.行权待复核)
            {
                throw new ServiceException("行权失败，状态为" + td.TradeStatus + ",该交易状态不能行权!");
            }

            //增加执行日期
            td.UnWindDate = valueDate;
            td.OptDate = DateTime.Now;
            td.OptId = UserId;
            td.OptName = UserName;
            td.FinalPrice = req.FinalPrice;

            var tcspotPrice = DataCacheProvider.GetUnderlyingDataSource().GetPrice(td.UnderlyingCode);
            if (req.IsPossibleExec.HasValue && req.IsPossibleExec.Value)
            {
                //修改交易状态
                td.TradeStatus = ConsTrade.已执行;
                //trade_cash
                var tc = DbContext.trade_cash.FirstOrDefault(t => t.TradeId == td.id && t.Action == ClientCashInCashOut.系统操作_行权费 && t.ValidState != ConsGlobal.InValid && !t.IsDeleted);

                if (tc == null)
                {
                    tc = new trade_cash();
                    DbContext.trade_cash.Add(tc);
                }
                if (formData != null)
                {
                    UpdateChanges(tc, formData);
                }

                tc.SpotPrice = tcspotPrice;
                tc.ValidState = req.ValidState;
                tc.OptId = UserId;
                tc.OptName = UserName;
                tc.OptDate = DateTime.Now;
                tc.Action = ClientCashInCashOut.系统操作_行权费;
                tc.IsLastAction = true;
                tc.ValueDate = valueDate;
                tc.FinalPrice = req.FinalPrice;
                tc.Amount = req.Amount ?? 0;
                tc.Strike = req.Strike;
                tc.CallPut = req.CallPut;
                tc.ExtraAmount = req.ExtraAmount;
                tc.Status = TradeCashStatusEnum.已执行;
                tc.TradeType = td.BuySell;
                tc.TradeId = td.id;
                tc.ParentTradeId = td.ParentTradeId;
                tc.Notional = td.Notional;
                tc.UnwindPercentRate = td.Notional / td.OriginalNotional;
                tc.NotionalPercentRate = tc.UnwindPercentRate;
                var CountRatio = UnderlyingDataProvider.GetCountRatio(td.UnderlyingCode);
                tc.TradeAmount = tc.Notional / CountRatio;
                tc.ExerciseWay = TradeCashExerciseWayEnum.到期行权;
                DbContext.SaveChanges();

                new TradeCashService(this).SaveTradeCashDetail(tc);
                //增加出入金记录
                var cl = ClientDataQueryService.GetClient(td.ClientId) ?? new Models.ClientMainInfo();
                var ee = new ClientCashInCashOut
                {
                    Direction = "应收",
                    Number = UniqueTimeId.GetStr(),
                    ClientId = cl.id,
                    ClientNumber = cl.Number,
                    ClientName = cl.Name,
                    //客户和交易员反方向
                    Money = tc.Amount * -1,
                    HappenDate = valueDate == DateTime.Now.Date ? DateTime.Now : valueDate,
                    State = ClientCashInCashOut.已确认,
                    //ee.OpenBankId = bc.id + "";
                    //ee.OpenBankCard = bc.Card;
                    TradeId = tc.TradeId,
                    TradeCashId = tc.id,
                    OptId = tc.OptId,
                    OptName = tc.OptName,
                    OptDate = tc.OptDate,
                    CreatorId = tc.OptId,
                    CreatorName = tc.OptName,
                    CreateDate = tc.OptDate,
                    Action = ClientCashInCashOut.系统操作_行权费,
                    TradeNumber = td.TradeNumber,
                    IsGroup = td.IsGroup
                };
                DbContext.ClientCashInCashOut.Add(ee);
                DbContext.SaveChanges();

                //Utilities.AddLog(tc.id, trade_cash.LogClass, "创建", "执行交割增加现金交割交易记录");
                //Utilities.AddLog(ee.id, ClientCashInCashOut.LogClass, "创建", "执行交割增加应收账记录");
            }
            else
            {
                //到期交易增加一条交易金额为0的trade_cash记录 记录当时期末价格 以及行权费用
                //修改交易状态
                td.TradeStatus = ConsTrade.已到期;

                //trade_cash
                var tc = DbContext.trade_cash.FirstOrDefault(t => t.TradeId == td.id && t.Action == ClientCashInCashOut.系统操作_行权费 && t.ValidState != ConsGlobal.InValid && !t.IsDeleted);

                if (tc == null)
                {
                    tc = new trade_cash();
                    DbContext.trade_cash.Add(tc);
                }
                if (formData != null)
                {
                    UpdateChanges(tc, formData);
                }

                tc.SpotPrice = tcspotPrice;
                tc.ValidState = req.ValidState;
                tc.OptId = UserId;
                tc.OptName = UserName;
                tc.OptDate = DateTime.Now;
                tc.Action = ClientCashInCashOut.系统操作_行权费;
                tc.IsLastAction = true;
                tc.ValueDate = td.ExerciseDate.Value;
                tc.FinalPrice = req.FinalPrice;
                tc.Notional = td.Notional;
                var CountRatio = UnderlyingDataProvider.GetCountRatio(td.UnderlyingCode);
                tc.TradeAmount = tc.Notional / CountRatio;
                tc.Amount = 0;
                tc.ExtraAmount = req.ExtraAmount;
                tc.Status = TradeCashStatusEnum.已执行;
                tc.TradeType = td.BuySell;
                tc.TradeId = req.TradeId;
                tc.ExerciseWay = TradeCashExerciseWayEnum.到期行权;
                DbContext.SaveChanges();
            }

            AddTradeOperationHistoryAndSetParentTradeInfo(false, td, "批量到期行权");

            DbContext.SaveChanges();

            //生成文档
            if (PS.Config.IsAutoGenerateContracts)
            {
                new TradeContractGenerateService(this).GenerateContractsAsync(new List<int> { td.id });
            }
        }
    }
}