using YLErp.BLL;
using YLErp.DBModels;
using YLErp.Modules.EodModule;
using YLErp.QdpModule;
using YLErp;
using YLErp.Jobs.Configs;

namespace YLErp.Jobs.Imp
{
    /// <summary>
    /// 每日计算整体VAR值
    /// </summary>
    public class EodVARCalcJob : BaseJob
    {
        static readonly IYcLogger logger;

        static EodVARCalcJob()
        {
            logger = LogFactory.GetLogger<EodVARCalcJob>();
        }

        EodVARCalcJobConfig _eodVARCalcJobConfig;
        public EodVARCalcJob(EodVARCalcJobConfig eodVARCalcJobConfig) 
        {
            _eodVARCalcJobConfig= eodVARCalcJobConfig;
        }

        public override Task JobImp()
        {
            logger.Info("执行EodVARCalcJob");
            var StartDateStr = _eodVARCalcJobConfig.StartDate;
            DateTime.TryParse((StartDateStr ?? ""), out var startDate);

            using (var db = new YLContext())
            {
                //最后收盘日
                var lastEodDate = db.eodStatus.Any() ? db.eodStatus.Where(O => O.Status == "已收盘").Max(O => O.ValueDate) : DateTime.MinValue;
                //最后计算日期
                var query = db.SensitiveData.Where(O => O.ValueDate <= lastEodDate && O.dataType == DataType.VaR && O.tradeId == "0");
                var lastCalcDate = query.Any() ? query.Max(O => O.ValueDate) : DateTime.MinValue;
                if (lastCalcDate <= startDate)
                {
                    var firstEodDate = db.eodStatus.Any() ? db.eodStatus.Where(O => O.Status == "已收盘").Min(O => O.ValueDate) : DateTime.MinValue;
                    lastCalcDate = firstEodDate > startDate ? firstEodDate : startDate;

                }
                var dateList = QdpCalendarHelper.AllBizDays(lastCalcDate, lastEodDate);
                dateList.Add(lastEodDate);
                logger.Info($"{dateList.Count}");
                foreach (var date in dateList)
                {
                    try
                    {
                        //执行eod_var计算整体eod_var
                        var service = new EodVaRService(new OptUserInfo(0, "系统", OptUserFrom.System));
                        //组一个算整体的VAR的请求
                        var req = new eod_varReq()
                        {
                            ValueDate = date,

                            VaRType = 0,

                            DaysCount = 244,
                        };

                        logger.Info($"开始计算{date.ToString("yyyy-MM-dd")}");
                        service.CalcEodVaR(req);
                        logger.Info("计算完成");
                        //写入sensitive
                        var data = db.SensitiveData.FirstOrDefault(o => o.ValueDate == date && o.dataType == DataType.VaR && o.tradeId == "0");
                        if (data == null)
                        {
                            data = new SensitiveData();
                            data.ValueDate = date;
                            data.tradeId = "0";
                            data.dataType = DataType.VaR;
                            db.SensitiveData.Add(data);
                        }
                        var percent = PS.Config.ErpElement.EodVarPvPercent;
                        logger.Info("默认Percent:" + percent);
                        var eodVaRs = db.eod_var.Where(x => x.ValueDate == date && x.VaRType == (int)YLErp.DBModels.Enums.EnumVaRType.HistoricalSimulation && x.TradeType == "");
                        var totalVaR = eodVaRs.FirstOrDefault(o => o.UnderlyingCode == null || o.UnderlyingCode == "");
                        logger.Info("查询到:" + totalVaR);
                        if (totalVaR != null)
                        {
                            var pvList = totalVaR.PvObject.Split(',').Select(x => double.TryParse(x, out var temp) ? temp : 0).OrderBy(x => x).ToArray();
                            var index = (int)Math.Floor(pvList.Length * percent) - 1;
                            index = Math.Max(0, index);
                            data.param1 = pvList[index];
                        }
                        db.SaveChanges();
                        logger.Info("写入数据库操作完成");

                    }
                    catch (Exception ex)
                    {
                        logger.Error(ex);
                        throw;
                    }
                }
            }

            return Task.CompletedTask;
        }

        #region JobStatus Manager
        static JobStatus jobStatus = JobStatus.Init;

        public override JobStatus GetJobStatus()
        {
            return jobStatus;
        }

        public override void SetJobStatus(JobStatus status)
        {
            jobStatus = status;
        }
        #endregion
    }
}