using BWP.B3_YunKen.BO;
using BWP.B3Frameworks.BL;
using BWP.B3Frameworks.Utils;
using BWP.B3Sale.BO;
using BWP.B3UnitedInfos.BO;
using Forks.EnterpriseServices;
using Forks.EnterpriseServices.BusinessInterfaces;
using Forks.EnterpriseServices.DomainObjects2;
using Forks.EnterpriseServices.DomainObjects2.DQuery;
using Forks.EnterpriseServices.SqlDoms;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using TSingSoft.WebPluginFramework;

namespace BWP.B3_YunKen.BL
{
    [BusinessInterface(typeof(Goods_PackageBL))]
    [LogicName("包装物")]
    public interface IGoods_PackageBL : IBaseInfoBL<Goods_Package>
    {
        void UpdateGoodsPackage(long goodsID, long? packageID, long classID, long accID, int smallPackNum);
    }

    public class Goods_PackageBL : BaseInfoBL<Goods_Package>, IGoods_PackageBL
    {

        private int _cludeClassId = 5; //5 固定写死

        public void UpdateGoodsPackage(long goodsID, long? packageID, long classID, long accID, int smallPackNum)
        {
            long? cid;
            if (packageID != null)
            {
                //cid = BLUtil.GetDmoProperty<Wrappage, long?>(packageID.Value, "PackageClass_TreeDeep1ID", Session);             
                cid = InnerBLUtil.GetDmoPropertyByID<Wrappage, long?>(Session, "WrappageKind_TreeDeep1ID", packageID.Value);
            }
            else
            {
                cid = classID;
            }

            var query = new DmoQuery(typeof(Goods_Package));
            query.Where.Conditions.Add(DQCondition.EQ("Goods_ID", goodsID));
            query.Where.Conditions.Add(DQCondition.EQ("PackageClass_TreeDeep1ID", cid));
            query.Where.Conditions.Add(DQCondition.EQ("Package_AccountingUnit_ID", accID));
            var dmo = (Goods_Package)Session.ExecuteScalar(query);

            if (packageID == null)
            {
                if (dmo != null)
                    Session.Delete(dmo);
            }
            else
            {
                //var price = BLUtil.GetDmoProperty<Wrappage, decimal?>(packageID.Value, "Price", Session);
                var price = InnerBLUtil.GetDmoPropertyByID<Wrappage, decimal?>(Session, "Price", packageID.Value);
                //                var packClassId = BLUtil.GetDmoProperty<Package, long?>(packageID.Value, "PackageClass_ID", Session);
                int packClassId = GetTreeDeep1(packageID.Value, Session);


                if (dmo == null)
                {
                    dmo = new Goods_Package { Goods_ID = goodsID, Package_ID = packageID, Price = price };
                    if (packClassId == _cludeClassId)
                    {
                        dmo.SmallPackNum = smallPackNum;
                    }
                    else
                    {
                        dmo.SmallPackNum = 1;
                    }
                    Session.Insert(dmo);
                }

                else if (dmo.Package_ID != packageID || (packClassId == _cludeClassId && dmo.SmallPackNum != smallPackNum))
                {
                    dmo.Package_ID = packageID;

                    if (packClassId == _cludeClassId)
                    {
                        dmo.SmallPackNum = smallPackNum;
                    }
                    else
                    {
                        dmo.SmallPackNum = 1;
                    }
                    dmo.Date = BLContext.Today;
                    dmo.Price = price;
                    Session.Update(dmo);
                }
            }
        }

        private int GetTreeDeep1(long value, IDmoSession session)
        {
            //select pack.PackageClass_ID,cla.* from SaleYunKen_Package pack left join SaleYunKen_PackageClass cla on pack.PackageClass_ID=cla.ID where pack.ID=487
            var pack = new JoinAlias(typeof(Wrappage));
            var packClass = new JoinAlias(typeof(WrappageKind));
            var dom = new DQueryDom(pack);
            dom.From.AddJoin(JoinType.Left, new DQDmoSource(packClass), DQCondition.EQ(pack, "WrappageKind_ID", packClass, "ID"));
            dom.Columns.Add(DQSelectColumn.Field("TreeDeep1ID", packClass));
            dom.Where.Conditions.Add(DQCondition.EQ(pack, "ID", value));
            return Convert.ToInt32(session.ExecuteScalar(dom));
        }

    }


}