using NPOI.SS.Formula.Functions;
using YLErp.Modules.EodModule.SettlementModule;

namespace YLErp.Modules.EodModule
{
    /// <summary>
    /// 广发日终结算定制服务
    /// </summary>
    public class GuangFaService
    {
        /// <summary>
        /// 
        /// </summary>
        public static void EodExecute(EodSettlementContextV2 context)
        {
            if (context is null)
            {
                throw new ArgumentNullException(nameof(context));
            }

            try
            {
                var reqClientIds = context.Request.ClientIds;

                var _db = DbContextFactory.GetYLDbContext();

                //日终持仓(对冲波动率)数据查询
                var eodQuery = _db.eod_trade_position_hedgevol.Where(t => t.ValueDate == context.SettleDate && t.ClientId > 0);
                if (reqClientIds != null && reqClientIds.Any())
                {
                    eodQuery = eodQuery.Where(t => reqClientIds.Contains(t.ClientId));
                }

                var gQuery = from eod in eodQuery
                             group eod by eod.ClientId into g
                             select new
                             {
                                 ClientId = g.Key,
                                 PvSum = g.Sum(n => n.Pv),
                                 RoundedPvSum = g.Sum(n => n.RoundedPv),
                                 PositionPnLSum = g.Sum(n => n.PositionPnL),
                                 RoundedPositionPnLSum = g.Sum(n => n.RoundedPositionPnL),
                             };
                var eodpnlList = gQuery.ToList();

                //客户结算资金数据查询
                var cbQuery = _db.ClientBalanceDaily.Where(t => t.BalanceDate == context.SettleDate);
                if (reqClientIds != null && reqClientIds.Any())
                {
                    cbQuery = cbQuery.Where(t => reqClientIds.Contains(t.ClientId));
                }
                var clientBalanceDailyList = cbQuery.ToList();

                //循环更新客户结算资金(从持仓波动率改为对冲波动率)
                foreach (var item in clientBalanceDailyList)
                {
                    var eodpnl = eodpnlList.FirstOrDefault(n => n.ClientId == item.ClientId);

                    if (eodpnl != null)
                    {
                        item.Pv = -eodpnl.PvSum;
                        item.RoundedPv = -eodpnl.RoundedPvSum;
                        item.PositionPnl = -eodpnl.PositionPnLSum;
                        item.RoundedPositionPnl = -eodpnl.RoundedPositionPnLSum;
                    }
                }

                _db.SaveChanges();
            }
            catch (Exception ex)
            {
                LogFactory.GetLogger("广发商贸日终结算定制").Error(ex, "使用对冲波动率持仓数据更新持仓盈亏、持仓市值");
            }
        }
    }
}