using BaseOUDAL;
using OfficeOpenXml;
using Org.BouncyCastle.Ocsp;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Dynamic.Core;
using System.Text;
using System.Threading.Tasks;
using YLErp.BLL;
using YLErp.DBModels;
using YLErp.Model;
using YLErp.Modules.DataCompare.Dto;
using YLErp.Modules.SwapModule;
using YLErp.Office;

namespace YLErp.Modules.DataCompare
{
    /// <summary>
    /// 数据比较服务
    /// </summary>
    public class DataCompareService: YLBaseService
    {
        public DataCompareService(OptUserInfo userInfo) : base(userInfo)
        {
        }

        public SearchListResult<HengTaiCompareData> QueryNeedCompareData(QueryNeedCompareDataRequest req)
        {
            var predicate = PredicateBuilder.Create<trade>(x => true);
            if (!string.IsNullOrEmpty(req.TradeNumber))
            {
                predicate = predicate.And(x => x.TradeNumber.Contains(req.TradeNumber));
            }
            if (req.AssetId!=null&&req.AssetId.Count>0)
            {
                predicate = predicate.And(p => req.AssetId.Contains(p.AssetId));
            }

            var predicateSwap = PredicateBuilder.Create<eod_swap>(d => d.ValueDate == req.ValueDate);
            if (req.ShowException)
            {
                predicateSwap = predicateSwap.And(p => !p.IsSkipEod);
            }

            var query = from a in DbContext.trade.Where(predicate)
                        join b in DbContext.eod_swap.Where(predicateSwap) on a.id equals b.SwapTradeId
                        where a.TradeDate<=req.ValueDate || (a.TradeStatus==ConsTrade.已平仓&&a.UnWindDate<=req.ValueDate)
                        select new HengTaiCompareData
                        {
                            id=a.id,
                            ValueDate = req.ValueDate,
                            TradeNumber = a.TradeNumber,
                            AssetId = a.AssetId,
                            StartDate = a.StartDate,
                            TradeStatus =(b.ValueDate>=a.UnWindDate&& a.TradeStatus == ConsTrade.已平仓) ? ConsTrade.已平仓 : ConsTrade.确认成交,
                            TradeDate = a.TradeDate,
                            EndDate = a.ExerciseDate,
                            StructType = a.TradeType,
                            QuoteCurrency = a.QuoteCurrency,
                            ClientName = a.ClientName,
                            TraderName = a.TraderName,
                            SwapType = a.StructureType,
                            StockEqvNotional = b.NotionalValue,
                            StockEqvNotionalV2 = b.IsSkipEod ? b.NotionalValue : null,
                            Pv = b.IsSkipEod ? b.HTPostionValue : b.PostionValue,
                            PvV2 = b.IsSkipEod ? b.HTPostionValue : null,
                            AssetName = a.AssetBookName,
                            CheckResult = b.IsSkipEod,
                            VTradingFee=b.VTradingFee
                        };

            if (string.IsNullOrEmpty(req.sidx))
            {
                req.sidx = "id";
                req.sord = "desc";
            }
            return query.ToSearchList(req);
        }


        public DateTime GetLastCloseDate()
        {
            var model=DbContext.eodStatus.AsNoTracking().OrderByDescending(p => p.ValueDate).FirstOrDefault();
            if (model != null)
            {
                return model.ValueDate;
            }
            return valuedateBLL.SystemDate.ValueDate;
        }



        public SearchListResult<OnlyHengTaiDataDto> QueryOnlyHengTaiData(QueryNeedCompareDataRequest req)
        {
            var predicate = PredicateBuilder.Create<reg_valuation_end_of_day>(x => x.NPV_DATE.Equals(req.ValueDate.ToString("yyyy-MM-dd")));
            if (!string.IsNullOrEmpty(req.TradeNumber))
            {
                predicate = predicate.And(x => x.EXT_NO.Contains(req.TradeNumber));
            }
            var tradeNumberQuery = from a in DbContext.trade.AsNoTracking()
                                   select a.TradeNumber;
            predicate = predicate.And(p => !tradeNumberQuery.Contains(p.EXT_NO));

            var query = from a in DbContext.reg_valuation_end_of_day.Where(predicate)
                        select new OnlyHengTaiDataDto
                        {
                            id=a.id,
                            ValueDate=req.ValueDate,
                            StockEqvNotionalV2=a.ORDCOUNT,
                            PvV2=a.NPV,
                            TradeNumber=a.EXT_NO,
                            EndDateStr=a.SETDATE_TERMINATE,
                            StartDateStr=a.START_DATE
                        };

            if (string.IsNullOrEmpty(req.sidx))
            {
                req.sidx = "id";
                req.sord = "desc";
            }
            return query.ToSearchList(req);
        }


        public byte[] ExprotExcel(QueryNeedCompareDataRequest req)
        {


            var predicate = PredicateBuilder.Create<trade>(x => true);
            if (!string.IsNullOrEmpty(req.TradeNumber))
            {
                predicate = predicate.And(x => x.TradeNumber.Contains(req.TradeNumber));
            }
            if (req.AssetId != null && req.AssetId.Count > 0)
            {
                predicate = predicate.And(p => req.AssetId.Contains(p.AssetId));
            }

            var predicateSwap = PredicateBuilder.Create<eod_swap>(d => d.ValueDate == req.ValueDate);
            if (req.ShowException)
            {
                predicateSwap = predicateSwap.And(p => !p.IsSkipEod);
            }

            List<HengTaiCompareData> dataList = (from a in DbContext.trade.Where(predicate)
                                                 join b in DbContext.eod_swap.Where(predicateSwap) on a.id equals b.SwapTradeId
                                                 select new HengTaiCompareData
                                                 {
                                                     id = a.id,
                                                     ValueDate = req.ValueDate,
                                                     TradeNumber = a.TradeNumber,
                                                     AssetId = a.AssetId,
                                                     StartDate = a.StartDate,
                                                     TradeStatus = a.TradeStatus,
                                                     TradeDate = a.TradeDate,
                                                     EndDate = a.ExerciseDate,
                                                     StructType = a.TradeType,
                                                     QuoteCurrency = a.QuoteCurrency,
                                                     ClientName = a.ClientName,
                                                     TraderName = a.TraderName,
                                                     SwapType = a.StructureType,
                                                     StockEqvNotional = b.NotionalValue,
                                                     StockEqvNotionalV2 = b.IsSkipEod ? b.NotionalValue : null,
                                                     Pv = b.IsSkipEod ? b.HTPostionValue : b.PostionValue,
                                                     PvV2 = b.IsSkipEod ? b.HTPostionValue : null,
                                                     VTradingFee=b.VTradingFee,
                                                     AssetName = a.AssetBookName,
                                                     CheckResult = b.IsSkipEod
                                                 }).OrderByDescending(p=>p.id).ToList();

            var predicate2 = PredicateBuilder.Create<reg_valuation_end_of_day>(x => x.NPV_DATE.Equals(req.ValueDate.ToString("yyyy-MM-dd")));
            if (!string.IsNullOrEmpty(req.TradeNumber))
            {
                predicate2 = predicate2.And(x => x.EXT_NO.Contains(req.TradeNumber));
            }
            var tradeNumberQuery = from a in DbContext.trade.AsNoTracking()
                                   select a.TradeNumber;
            predicate2 = predicate2.And(p => !tradeNumberQuery.Contains(p.EXT_NO));

            var list2 = (from a in DbContext.reg_valuation_end_of_day.Where(predicate2)
                        select new OnlyHengTaiDataDto
                        {
                            id = a.id,
                            ValueDate = req.ValueDate,
                            StockEqvNotionalV2 = a.ORDCOUNT,
                            PvV2 = a.NPV,
                            TradeNumber = a.EXT_NO,
                            EndDateStr = a.SETDATE_TERMINATE,
                            StartDateStr = a.START_DATE
                        }).OrderByDescending(p => p.id).ToList();


            var tplFilePath = OtcAppContext.MapPath("/App_Docs");
            var sourceFileName = Path.Combine(tplFilePath, "导出模板", "与衡泰对账导出模板.xlsx");
            var modelDict = new Dictionary<string, object>();
            var model = new { list = dataList };

            var modelDict2 = new Dictionary<string, object>();
            var model2 = new { list = list2 };

            modelDict.Add("本系统中的合约", model);
            modelDict.Add("仅衡泰中有的合约", model2);
            ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
            return new ExcelTemplateGenerator().SetTemplateFile(sourceFileName).SetTemplateData(modelDict).Output();
        }


        /// <summary>
        /// 获取清算时间
        /// </summary>
        /// <param name="req"></param>
        /// <returns></returns>
        public LiquidationTimeDto GetLiquidationTime(QueryNeedCompareDataRequest req)
        {
            var res = new LiquidationTimeDto();
            res.SystemLiquidationTime = "未清算";
            res.HengTaiLiquidationTime = "未同步";
            var model = DbContext.eodStatus.Where(p=>p.ValueDate==req.ValueDate).AsNoTracking().OrderByDescending(p => p.OptDate).FirstOrDefault();
            if(model!=null&&model.OptDate!=null)
            {
                res.SystemLiquidationTime = model.OptDate.Value.ToString("yyyy-MM-dd HH:mm:ss");
            }
            var model2 = DbContext.reg_valuation_end_of_day.Where(p => p.NPV_DATE.Equals(req.ValueDate.ToString("yyyy-MM-dd"))).OrderByDescending(p => p.create_time).FirstOrDefault();
            if (model2 != null)
            {
                res.HengTaiLiquidationTime = model2.create_time.ToString("yyyy-MM-dd HH:mm:ss");
            }
            return res;
        }
        /// <summary>
        /// 校验日期区间是否有获取衡泰估值
        /// </summary>
        /// <param name="startDate"></param>
        /// <param name="endDate"></param>
        /// <exception cref="Exception"></exception>
        public string CheckHTDataByDate(DateTime startDate,DateTime endDate)
        {

            var regList = DbContext.reg_valuation_end_of_day.FromSqlRaw($"select * from reg_valuation_end_of_day where NPV_DATE>='{startDate.ToString("yyyy-MM-dd")}' and NPV_DATE<='{endDate.ToString("yyyy-MM-dd")}'").ToList();
            var allDays = (endDate - startDate).Days;
            if (regList.Count==0)
            {
                return $"{startDate.ToString("yyyy-MM-dd")}未获取衡泰估值";
            }
            for (int i=0;i< allDays;i++)
            {
                var valueDate = valuedateBLL.GetNonHoliday(startDate.AddDays(i));
                if (!regList.Any(x=>x.NPV_DATE.Equals(valueDate.ToString("yyyy-MM-dd"))))
                {
                    return $"{valueDate.ToString("yyyy-MM-dd")}未获取衡泰估值";
                }
            }
            return "";
        }
        public string GetHTLastDate()
        {
          var regValue=  DbContext.reg_valuation_end_of_day.OrderByDescending(o=>o.NPV_DATE).FirstOrDefault();
            return regValue == null ? "未获取衡泰估值" : regValue.NPV_DATE;
        }
    }
}