namespace YLErp.Modules.TradeModule.QueryModule
{
    public class TradeCloseInfoQueryApiService : YLBaseService
    {
        public TradeCloseInfoQueryApiService(OptUserInfo userInfo) : base(userInfo)
        {
        }

        public IEnumerable<OtcTradeDetail> GetTradeCloseInfoList(TradeCloseInfoRequestModel req)
        {
            int[] clientIds = null;

            using (var clientDB = DbContextFactory.GetClientDbContext(OptUser))
            {
                if (!string.IsNullOrEmpty(req.ClientNumber))
                {
                    clientIds = clientDB.client.Where(n => n.Number == req.ClientNumber).Select(n => n.id).ToArray();
                }
                else if (!string.IsNullOrEmpty(req.ClientName))
                {
                    clientIds = clientDB.client.Where(n => n.Name == req.ClientName).Select(n => n.id).ToArray();
                }

                if (clientIds != null && !clientIds.Any())
                {
                    return Enumerable.Empty<OtcTradeDetail>();
                }
            }

            var tdPredicate = PredicateBuilder.Create<trade>(t => t.ValidState != ConsGlobal.InValid);
            if (clientIds != null)
            {
                tdPredicate = tdPredicate.And(t => clientIds.Contains(t.ClientId));
            }

            var tcActions = new[] { ClientCashInCashOut.系统操作_平仓费, ClientCashInCashOut.系统操作_行权费 };

            var query = from tc in DbContext.trade_cash.AsNoTracking()
                        join td in DbContext.trade.AsNoTracking().Where(tdPredicate) on tc.TradeId equals td.id
                        join et in DbContext.eod_trade.Where(O => O.ValueDate == req.ValueDate) on td.id equals et.TradeId into tempEt
                        from et in tempEt.DefaultIfEmpty()
                        where tc.ValidState != ConsGlobal.InValid && tc.ValueDate == req.ValueDate && tcActions.Contains(tc.Action)
                        select new
                        {
                            et,
                            trade = td,
                            detail = new OtcTradeDetail
                            {
                                TcId = tc.id,
                                TcValueDate = tc.HappenedDate != null ? tc.HappenedDate : tc.ValueDate,
                                TcFinalPrice = tc.FinalPrice,
                                TcUnwindPrice = tc.UnwindPrice,
                                TcUnwindPricePercent = tc.UnwindPricePercentRate,
                                TcAmount = tc.Amount,
                                UnWindNotional = tc.UnwindNotional ?? tc.Notional,
                                TcUnwindTradeAmount = tc.UnwindTradeAmount,
                                TcUnwindPercent = tc.UnwindPercentRate,
                                TcAction = tc.Action,
                                TcExerciseWay = tc.ExerciseWay,
                            }
                        };

            var list = query.ToList();

            return list.Select(n =>
            {
                YLAutoMapper.Map(n.et?.trade ?? n.trade, n.detail);
                return n.detail;
            }).ToList();
        }
    }
}