using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using BWP.B3Frameworks;
using BWP.B3Frameworks.BO.NamedValueTemplate;
using BWP.B3Frameworks.Utils;
using BWP.B3Sale.BL;
using BWP.B3Sale.BO;
using BWP.B3Sale.Utils;
using BWP.B3UnitedInfos.BO;
using Forks.EnterpriseServices.DomainObjects2;
using Forks.EnterpriseServices.DomainObjects2.DQuery;
using Forks.Utils;
using TSingSoft.WebPluginFramework;

namespace B3_QiLianMuGe.Utils
{
  [TypeIOC(typeof(SaleOutStoreBL), typeof(SaleOutStoreBL.ICreateInOutStoreBill))]
  public class CreateInOutStoreBillIOC : SaleOutStoreBL.ICreateInOutStoreBill
  {
    public void Invoke(IDmoSession session, SaleOutStore saleOutStore, InOutStoreBill target, ref bool flag)
    {
      SetInOutStoreBillDetailByWeightInfos(session, saleOutStore, target);
      if (target.Details.Count > 0)
        flag = true;
      else
        flag = false;
    }

    /// <summary>
    /// 处理扫条码按条码的生产批次对应的存货批次出库
    /// </summary>
    /// <param name="dmo"></param>
    /// <param name="target"></param>
    private void SetInOutStoreBillDetailByWeightInfos(IDmoSession Session,SaleOutStore dmo, InOutStoreBill target)
    {
      var query = new DQueryDom(new JoinAlias(typeof(WeightingInfor)));
      query.Columns.Add(DQSelectColumn.Field("DetailID"));
      query.Columns.Add(DQSelectColumn.Field("Goods_ID"));
      query.Columns.Add(DQSelectColumn.Field("Product_Batch"));
      query.Columns.Add(DQSelectColumn.Sum("MainUnitNum"));
      query.Columns.Add(DQSelectColumn.Sum("SecondNumber"));
      query.Where.Conditions.Add(DQCondition.EQ("BillType", DmoTypeIDAttribute.GetID(typeof(SaleOutStore))));
      query.Where.Conditions.Add(DQCondition.EQ("BillID", dmo.ID));
      query.GroupBy.Expressions.Add(DQExpression.Field("DetailID"));
      query.GroupBy.Expressions.Add(DQExpression.Field("Goods_ID"));
      query.GroupBy.Expressions.Add(DQExpression.Field("Product_Batch"));
      var tuples = query.EExecuteList<long, long?, string, Money<decimal>?, Money<decimal>?>(Session);
      if (tuples.Count() > 0)
      {
        var results = tuples.Where(x => string.IsNullOrEmpty(x.Item3) && x.Item4 > 0);
        foreach (var result in results)
        {
          var oDetails = dmo.Details.Where(x => x.ID == result.Item1);
          if (oDetails.Count() > 0)
          {
            var detail = oDetails.First();
            detail.UnitNum = result.Item4;
            detail.Number = result.Item4;
            detail.SecondNumber = result.Item5;
            detail.GoodsBatch_ID = null;
            var dic = new Dictionary<long, List<TmpData>>();
            var outDetails = AddDetailByPdAndBatchNo(Session, dmo, detail, dic);
            foreach (var item in outDetails)
            {
              var targetDetail = new InOutStoreBill_Detail();
              target.Details.Add(targetDetail);
              var details = dmo.Details.Where(x => x.ID == detail.ID);
              SaleOutStore_Detail outDetail = null;
              if (details.Count() > 0)
              {
                outDetail = details.First();
              }
              if (dmo.BusinessProperty == B3Sale业务属性.正常出库)
                targetDetail.Store_ID = dmo.Store_ID ?? 0;
              else
              {
                if (outDetail != null)
                  targetDetail.Store_ID = outDetail.Store_ID ?? 0;
              }
              targetDetail.Goods_ID = item.SaleGoods_ID;
              targetDetail.Number = item.Number.Value;
              targetDetail.SecondNumber = item.SecondNumber;
              targetDetail.GoodsBatch_ID = item.GoodsBatch_ID;
              if (outDetail != null)
              {
                targetDetail.CargoSpace_ID = item.CargoSpace_ID;
                targetDetail.Price = item.Price;
                targetDetail.Money = item.Price * item.Number;
                targetDetail.BrandItem_ID = item.BrandItem_ID;
              }
            }
          }
        }

        foreach (var detail in tuples.Where(x => !string.IsNullOrEmpty(x.Item3)))
        {
          if (detail.Item4 == null || detail.Item4 == 0)
          {
            continue;
          }
          var targetDetail = new InOutStoreBill_Detail();
          target.Details.Add(targetDetail);
          var details = dmo.Details.Where(x => x.ID == detail.Item1);
          SaleOutStore_Detail outDetail = null;
          if (details.Count() > 0)
          {
            outDetail = details.First();
          }
          if (dmo.BusinessProperty == B3Sale业务属性.正常出库)
            targetDetail.Store_ID = dmo.Store_ID ?? 0;
          else
          {
            if (outDetail != null)
              targetDetail.Store_ID = outDetail.Store_ID ?? 0;
          }
          targetDetail.Goods_ID = detail.Item2.Value;
          targetDetail.Number = detail.Item4 ?? 0;
          targetDetail.SecondNumber = detail.Item5 ?? 0;
          var tuple = SaleUtil.GetGoodsBatch(DomainContext.Current.ID, detail.Item3, detail.Item2.Value);
          if (tuple != null)
            targetDetail.GoodsBatch_ID = tuple.Item1;
          if (outDetail != null)
          {
            targetDetail.CargoSpace_ID = outDetail.CargoSpace_ID;
            targetDetail.Price = outDetail.Price;
            targetDetail.Money = outDetail.Price * targetDetail.Number;
            targetDetail.BrandItem_ID = outDetail.BrandItem_ID;
          }
        }
      }
    }

    static List<SaleOutStore_Detail> AddDetailByPdAndBatchNo(IDmoSession session, SaleOutStore saleOutStore, SaleOutStore_Detail outStoreDetail, Dictionary<long, List<TmpData>> dic)
    {
      if (!dic.ContainsKey(outStoreDetail.SaleGoods_ID))
      {
        dic.Add(outStoreDetail.SaleGoods_ID, GetStoreDetailInfor(session, saleOutStore.Store_ID, outStoreDetail.SaleGoods_ID));
      }
      var list = dic[outStoreDetail.SaleGoods_ID];
      var theNum = outStoreDetail.Number ?? 0;//需要转的数量
      var theSecNum = outStoreDetail.SecondNumber ?? 0;//需要转的辅数量
      var num = theNum;
      var details = new List<SaleOutStore_Detail>();
      foreach (var unionView in list)
      {
        if (num <= 0)
          break;
        if (unionView.Number <= 0)
          continue;
        Money<decimal> thisNum;//当前明细分配数量
        Money<decimal> thisSecNum;//当前明细分配辅数量
        if (unionView.Number >= num)
        {
          thisNum = num;
        }
        else
        {
          thisNum = unionView.Number;
        }
        if (unionView.SecondNumber >= theSecNum)
        {
          thisSecNum = theSecNum;
        }
        else
        {
          thisSecNum = unionView.SecondNumber;
        }

        var outDetail = new SaleOutStore_Detail();
        DmoUtil.CopyDmoFields(outStoreDetail, outDetail, "UnitNum", "Number", "SecondNumber", "Money", "RebateMoney");
        outDetail.Price = outStoreDetail.Price;
        outDetail.ProductionDate = unionView.ProductionDate;
        outDetail.GoodsBatch_ID = unionView.GoodsBatch_ID;
        outDetail.Number = thisNum;
        if (outDetail.RightRatio != 0)
          outDetail.UnitNum = outDetail.Number / outDetail.RightRatio * outDetail.LeftRatio;
        if (outDetail.Goods_UnitConvertDirection == 主辅转换方向.由主至辅 || outDetail.Goods_UnitConvertDirection == 主辅转换方向.双向转换)
        {
          outDetail.SecondNumber = outDetail.Number / outDetail.RightRatio * outDetail.LeftRatio;
          thisSecNum = outDetail.SecondNumber ?? 0;
        }
        else
        {
          outDetail.SecondNumber = thisSecNum;
        }
        outDetail.HiddenNumber = outDetail.Number;
        outDetail.HiddenUnitNum = outDetail.UnitNum;
        outDetail.HiddenSecondNumber = outDetail.SecondNumber;

        details.Add(outDetail);
        num -= thisNum;
        theSecNum -= thisSecNum;
        unionView.Number -= thisNum;
        unionView.SecondNumber -= thisSecNum;
      }

      if (num != 0)
        throw new Exception(string.Format("{0}可用库存还差{1}，不允许出库，审核失败", outStoreDetail.Goods_Name, num));
      var lastDetail = details.LastOrDefault();
      if (lastDetail != null)
      {
        lastDetail.Money = (lastDetail.Money ?? 0m) + (outStoreDetail.Money ?? 0) - details.Sum(x => (x.Money ?? 0).Value);
        lastDetail.SecondNumber = (lastDetail.SecondNumber ?? 0m) + (outStoreDetail.SecondNumber ?? 0) - details.Sum(x => (x.SecondNumber ?? 0).Value);
      }
      return details;
    }

    static List<TmpData> GetStoreDetailInfor(IDmoSession session, long? store_ID, long? saleGoods_ID)
    {
      var dom1 = new DQueryDom(new JoinAlias(typeof(StoreDetail)));
      dom1.Columns.Add(DQSelectColumn.Field("GoodsBatch_ProductionDate"));
      dom1.Columns.Add(DQSelectColumn.Field("GoodsBatch_ID"));
      dom1.Columns.Add(DQSelectColumn.Field("Number"));
      dom1.Columns.Add(DQSelectColumn.Field("SecondNumber"));
      dom1.Where.Conditions.Add(DQCondition.EQ("Goods_ID", saleGoods_ID));
      dom1.Where.Conditions.Add(DQCondition.EQ("Store_ID", store_ID));
      dom1.Where.Conditions.Add(DQCondition.GreaterThan(DQExpression.Field("Number"), DQExpression.Value(0)));
      dom1.OrderBy.Expressions.Add(DQOrderByExpression.Create("GoodsBatch_ProductionDate"));
      dom1.OrderBy.Expressions.Add(DQOrderByExpression.Create("GoodsBatch_ID"));

      var list = new List<TmpData>();
      using (var reader = session.ExecuteReader(dom1))
      {
        while (reader.Read())
        {
          var tmp = new TmpData();
          tmp.ProductionDate = (DateTime?)reader[0];
          tmp.GoodsBatch_ID = (long?)reader[1];
          tmp.Number = (Money<decimal>?)reader[2] ?? 0;
          tmp.SecondNumber = (Money<decimal>?)reader[3] ?? 0;
          list.Add(tmp);
        }
      }
      return list;
    }

    class TmpData
    {
      public long? GoodsBatch_ID { get; set; }
      public DateTime? ProductionDate { get; set; }
      public Money<decimal> Number { get; set; }
      public Money<decimal> SecondNumber { get; set; }
    }
  }
}