using Microsoft.CodeAnalysis;
using Rhea.Common;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Tiger.IBusiness;
using Tiger.Model;

namespace Tiger.Business.WMS
{
    public class WMS_ITEM_Biz
    {
        private static _Biz_WmsItem _WmsItem = new();

        /// <summary>
        /// WMS_ITEM 业务
        /// </summary>
        public static _Biz_WmsItem WmsItem => _WmsItem;

        /// <summary>
        /// WMS_ITEM 业务类
        /// </summary>
        public partial class _Biz_WmsItem : IBiz_WmsItem
        {
            /// <summary>
            /// 获取条码库存信息，包括仓库，储区，货架，储位，父条码，包装明细等
            /// </summary>
            /// <param name="sn">查询的条码</param>
            /// <param name="option">授权查询选项</param>
            /// <param name="doUnPack">是否同时执行拆包操作，解除与父条码之间的包装关系</param>
            /// <returns></returns>
            public Result<IInventory> Get(string sn, AuthOption option, bool doUnPack)
            {
                var result = new Result<IInventory>(Result.Flags.Success);
                try
                {
                    var inv = new Inventory();
                    Barcode barcode = new Barcode(sn);
                    if (sn.IsNullOrEmpty())
                    {
                        result.Flag = Result.Flags.Failed;
                        result.LocaleMsg = new("WMS.WmsItem.Barcode.EmptyFailure");
                    }
                    else if (barcode.IsException)
                    {
                        throw barcode.AnalyseException;
                    }
                    //非法条码
                    else if (!barcode.IsRegular)
                    {
                        result.Flag = Result.Flags.Failed;
                        result.LocaleMsg = new("WMS.WmsItem.Barcode.IllegalFailure");
                    }
                    //else if (barcode.Qty <= 0)
                    //{
                    //    result.Flag = Result.Flags.Failed;
                    //    result.LocaleMsg = new("数量不能小于等于零，请检查二维码！");
                    //}
                    else
                    {
                        var query = Biz.Db.Queryable<WMS_ITEM_PKG>().ByAuth(option).Where(q => q.SN == barcode.SN).IncludesAllFirstLayer().First();
                        //var query = Biz.Db.Queryable<WMS_ITEM_PKG>().Where(q => q.SN == barcode.SN).IncludesAllFirstLayer().First();//.ByAuth(option)

                        //包装表中找到条码
                        if (!query.IsNullOrEmpty())// && query.QTY > 0)
                        {
                            inv.SN = barcode.SN;
                            inv.Barcode = barcode;
                            inv.ExtInfo = query.ExtInfo;
                            inv.ItemInfo = query.ItemInfo;
                            inv.Warehouse = query.Warehouse;
                            inv.Region = query.Region;
                            inv.Shelf = query.Shelf;
                            inv.Location = query.Location;
                            inv.Packages = Biz.Db.Ado.UseStoredProcedure().SqlQuery<WMS_ITEM_PKG>("sp_wms_get_item_pkg", new SugarParameter("root", barcode.SN));
                            inv.Items = Biz.Db.Ado.UseStoredProcedure().SqlQuery<WMS_ITEM>("sp_wms_get_items", new SugarParameter("root", barcode.SN));
                            inv.ItemsExt = Biz.Db.Queryable<WMS_ITEM_EXT>().Where(q => inv.Items.Any(s => s.SN == q.SN)).ToList();
                            //var data = inv.Items.Select(i => i.SN).ToList().Except(inv.ItemsExt.Select(i => i.SN).ToList());
                            var data = inv.Items.Where(q => !inv.ItemsExt.Any(s => s.SN == q.SN)).ToList();
                            if (data.Count > 0)
                            {
                                foreach (var item in data)
                                {
                                    inv.ItemsExt.Add(new()
                                    {
                                        SN = item.SN,
                                        META_SN = barcode.MetaSn,
                                        QR_CODE = barcode.MetaSn
                                    });
                                }
                            }
                            result.LocaleMsg = new($"WMS.WmsItem.Barcode.Get{(doUnPack ? "UnPack" : "")}Success", barcode.SN, query.Parent?.SN);
                            if (!query.Parent.IsNullOrEmpty() && doUnPack && query.Parent.SN != query.SN)
                            {
                                inv.ParentPkg = null;
                                //保存数据到数据库
                                var db = Biz.Db;
                                var dbTran = db.UseTran(() =>
                                {
                                    var unPackQty = inv.Items.Sum(q => q.QTY);
                                    db.Updateable<WMS_ITEM_PKG>().SetColumns(q => q.PARENT_SN == null).Where(q => q.ID == query.ID).ExecuteCommand();
                                    db.Updateable<WMS_ITEM_PKG>().SetColumns(q => q.QTY == q.QTY - unPackQty).Where(q => q.ID == query.Parent.ID).ExecuteCommand();
                                    if (!Biz.Db.Queryable<WMS_ITEM_PKG>().Any(q => q.PARENT_SN == query.PARENT_SN && q.SN != query.SN))
                                    {
                                        db.Deleteable(query.Parent);
                                    }
                                });
                                if (!dbTran.IsSuccess)
                                {
                                    throw dbTran.ErrorException;
                                }
                            }
                            else
                            {
                                inv.ParentPkg = query.Parent;
                            }
                        }
                        else
                        {
                            inv.SN = barcode.SN;
                            inv.Barcode = barcode;
                            inv.ItemInfo = Biz.Db.Queryable<BAS_ITEM>().Where(q => q.ITEM_CODE == barcode.ItemCode).First();
                            result.LocaleMsg = new($"WMS.WmsItem.Barcode.NotFound", barcode.SN);
                        }
                    }
                    result.Data = inv;
                }
                catch (Exception ex)
                {
                    result.CatchExceptionWithLog(ex, Biz.L("WMS.WmsItem.Barcode.GetException", sn));
                }
                return result;
            }

            /// <summary>
            /// 客供料专用：获取条码库存信息，包括仓库，储区，货架，储位，父条码，包装明细等
            ///     注：物料编码自动加K判断和处理
            /// </summary>
            /// <param name="sn">查询的条码</param>
            /// <param name="option">授权查询选项</param>
            /// <param name="doUnPack">是否同时执行拆包操作，解除与父条码之间的包装关系</param>
            /// <returns></returns>
            public Result<IInventory> GetK(string sn, AuthOption option, bool doUnPack)
            {
                var result = new Result<IInventory>(Result.Flags.Success, new Inventory());
                try
                {
                    var inv = new Inventory();
                    Barcode barcode = new Barcode(sn);
                    barcode.ItemCode = (barcode.ItemCode.IsNullOrEmpty("K").StartsWith("K") ? "" : "K") + barcode.ItemCode;
                    if (sn.IsNullOrEmpty())
                    {
                        result.Flag = Result.Flags.Failed;
                        result.LocaleMsg = new("WMS.WmsItem.Barcode.EmptyFailure");
                    }
                    else if (barcode.IsException)
                    {
                        throw barcode.AnalyseException;
                    }
                    //非法条码
                    else if (!barcode.IsRegular)
                    {
                        result.Flag = Result.Flags.Failed;
                        result.LocaleMsg = new("WMS.WmsItem.Barcode.IllegalFailure");
                    }
                    else if (barcode.Qty <= 0)
                    {
                        result.Flag = Result.Flags.Failed;
                        result.LocaleMsg = new("入库数量不能小于等于零，请检查二维码！");
                    }
                    else
                    {
                        var query = Biz.Db.Queryable<WMS_ITEM_PKG>().ByAuth(option).Where(q => q.SN == barcode.SN).IncludesAllFirstLayer().First();

                        //包装表中找到条码
                        if (!query.IsNullOrEmpty() && query.QTY > 0)
                        {
                            inv.SN = barcode.SN;
                            inv.Barcode = barcode;
                            inv.ExtInfo = query.ExtInfo;
                            inv.ItemInfo = query.ItemInfo;
                            inv.Warehouse = query.Warehouse;
                            inv.Region = query.Region;
                            inv.Shelf = query.Shelf;
                            inv.Location = query.Location;
                            inv.Packages = Biz.Db.Ado.UseStoredProcedure().SqlQuery<WMS_ITEM_PKG>("sp_wms_get_item_pkg", new SugarParameter("root", barcode.SN));
                            inv.Items = Biz.Db.Ado.UseStoredProcedure().SqlQuery<WMS_ITEM>("sp_wms_get_items", new SugarParameter("root", barcode.SN));
                            inv.ItemsExt = Biz.Db.Queryable<WMS_ITEM_EXT>().Where(q => inv.Items.Any(s => s.SN == q.SN)).ToList();//扩展表
                            //var data = inv.Items.Select(i => i.SN).ToList().Except(inv.ItemsExt.Select(i => i.SN).ToList());
                            var data = inv.Items.Where(q => !inv.ItemsExt.Any(s => s.SN == q.SN)).ToList();
                            //扩展表不存在时新建
                            if (data.Count > 0)
                            {
                                foreach (var item in data)
                                {
                                    inv.ItemsExt.Add(new()
                                    {
                                        SN = item.SN,
                                        META_SN = barcode.MetaSn,
                                        QR_CODE = barcode.MetaSn
                                    });
                                }
                            }
                            result.LocaleMsg = new($"WMS.WmsItem.Barcode.Get{(doUnPack ? "UnPack" : "")}Success", barcode.SN, query.Parent?.SN);

                            if (!query.Parent.IsNullOrEmpty() && doUnPack && query.Parent.SN != query.SN)
                            {
                                inv.ParentPkg = null;
                                //保存数据到数据库
                                var db = Biz.Db;
                                var dbTran = db.UseTran(() =>
                                {
                                    var unPackQty = inv.Items.Sum(q => q.QTY);
                                    db.Updateable<WMS_ITEM_PKG>().SetColumns(q => q.PARENT_SN == null).Where(q => q.ID == query.ID).ExecuteCommand();
                                    db.Updateable<WMS_ITEM_PKG>().SetColumns(q => q.QTY == q.QTY - unPackQty).Where(q => q.ID == query.Parent.ID).ExecuteCommand();
                                    if (!Biz.Db.Queryable<WMS_ITEM_PKG>().Any(q => q.PARENT_SN == query.PARENT_SN && q.SN != query.SN))
                                    {
                                        db.Deleteable(query.Parent);
                                    }
                                });
                                if (!dbTran.IsSuccess)
                                {
                                    throw dbTran.ErrorException;
                                }
                            }
                            else
                            {
                                inv.ParentPkg = query.Parent;
                            }
                        }
                        else
                        {
                            inv.SN = barcode.SN;
                            inv.Barcode = barcode;
                            inv.ItemInfo = Biz.Db.Queryable<BAS_ITEM>().Where(q => q.ITEM_CODE == barcode.ItemCode).First();
                            result.LocaleMsg = new($"WMS.WmsItem.Barcode.NotFound", barcode.SN);
                        }
                    }
                    result.Data = inv;
                }
                catch (Exception ex)
                {
                    result.CatchExceptionWithLog(ex, Biz.L("WMS.WmsItem.Barcode.GetException", sn));
                }
                return result;
            }

            /// <summary>
            /// 上架
            /// </summary>
            /// <param name="inventory">要上架的库存对象</param>
            /// <param name="option">授权查询选项</param>
            /// <param name="targetLocation">要上架的储位代码</param>
            /// <param name="isTransfer">是否移库操作</param>
            /// <returns></returns>
            public Result<PutOnInfo> PutOn(IInventory inventory, AuthOption option, string targetLocation, bool isTransfer = false)
            {
                var result = new Result<PutOnInfo>(Result.Flags.Success, new PutOnInfo());
                try
                {
                    var inv = inventory as Inventory;
                    var location = Biz.Db.Queryable<V_WH_UNIT>().Where(q => q.LOCATION_CODE == targetLocation && q.AUTH_ORG == option.CurOrg).IncludesAllFirstLayer().First();
                    if (!location.IsNullOrEmpty())
                    {
                        result.Data.Warehouse = location.Warehouse;
                        result.Data.Region = location.Region;
                        result.Data.Shelf = location.Shelf;
                        result.Data.Location = location.Location;
                        foreach (var item in inventory.Items)
                        {
                            item.STATUS = WMS_ITEM.STATUSs.InStore.GetValue();
                            item.SUPP_LOTNO = inv.Barcode.LotNo;
                            item.FIRST_IN_DATE = item.FIRST_IN_DATE <= DateTime.MinValue ? DateTime.Now : item.FIRST_IN_DATE;
                            item.PROD_DATE = item.PROD_DATE <= DateTime.MinValue ? item.FIRST_IN_DATE : item.PROD_DATE;
                            item.WH_ID = location.WH_ID;
                            item.REGION_ID = location.REGION_ID;
                            item.SHELF_ID = location.SHELF_ID;
                            item.LOCATION_ID = location.LOCATION_ID;
                            inventory.History.Add(new WMS_ITEM_HIS(item, $"条码[{inventory.SN}]{(isTransfer ? "移库" : "上架")}到储位[{location.LOCATION_CODE}]成功{(isTransfer ? "" : $"，操作单据[{item.TRANS_NO}]")}"));
                        }
                        foreach (var item in inventory.Packages)
                        {
                            item.WH_ID = location.WH_ID;
                            item.REGION_ID = location.REGION_ID;
                            item.SHELF_ID = location.SHELF_ID;
                            item.LOCATION_ID = location.LOCATION_ID;
                        }
                        foreach (var item in inventory.ItemsExt)
                        {
                            item.AUTH_ORG = option.OrgCode;
                            item.SN = inv.Barcode.SN;
                        }

                        result.Data.Items = inventory.Items;
                        result.Data.History = inventory.History;
                        result.Data.Packages = inventory.Packages;
                        result.Data.ItemsExt = inventory.ItemsExt;
                    }
                    else
                    {
                        result.Flag = Result.Flags.Failed;
                        result.LocaleMsg = new("WMS.WmsItem.PutOn.LocationNotExists", targetLocation);
                    }
                }
                catch (Exception ex)
                {
                    result.CatchExceptionWithLog(ex, Biz.L("WMS.WmsItem.PutOn.Exception", inventory.SN, targetLocation));
                }
                return result;
            }

            /// <summary>
            /// 下架
            /// </summary>
            /// <param name="inventory">要下架的库存对象</param>
            /// <param name="option">授权查询选项</param>
            /// <param name="status">下架后状态</param>
            /// <param name="clearLocation">是否清理储区货架储位信息</param>
            /// <returns></returns>
            public Result<TakeDownInfo> TakeDown(IInventory inventory, AuthOption option, WMS_ITEM.STATUSs status, bool clearLocation = true)
            {
                return TakeDown(inventory, inventory.Items.ToDictionary(k => k.SN, v => v.QTY), option, status, clearLocation);
                var result = new Result<TakeDownInfo>(Result.Flags.Success, new TakeDownInfo());
                try
                {
                    foreach (var item in inventory.Items)
                    {
                        item.STATUS = status.GetValue();
                        if (clearLocation)
                        {
                            //item.WH_ID = null;
                            item.REGION_ID = null;
                            item.SHELF_ID = null;
                            item.LOCATION_ID = null;
                        }
                        inventory.History.Add(new WMS_ITEM_HIS(item, $"条码[{inventory.SN}]从储位[{inventory?.Location?.LOCATION_CODE}]下架成功，操作单据[{item.TRANS_NO}]"));
                    }
                    foreach (var item in inventory.Packages)
                    {
                        if (clearLocation)
                        {
                            //item.WH_ID = null;
                            item.REGION_ID = null;
                            item.SHELF_ID = null;
                            item.LOCATION_ID = null;
                        }
                    }
                    result.Data.Items = inventory.Items;
                    result.Data.History = inventory.History;
                    result.Data.Packages = inventory.Packages;
                }
                catch (Exception ex)
                {
                    result.CatchExceptionWithLog(ex, Biz.L("WMS.WmsItem.TakeDown.Exception", inventory.SN, inventory?.Location?.LOCATION_CODE));
                }
                return result;
            }

            /// <summary>
            /// 下架
            /// </summary>
            /// <param name="inventory">要下架的库存对象</param>
            /// <param name="qtyList">要下架的最小包装数量字典，key：sn，value：qty</param>
            /// <param name="option">授权查询选项</param>
            /// <param name="status">下架后状态</param>
            /// <param name="clearLocation">是否清理储区货架储位信息</param>
            /// <returns></returns>
            public Result<TakeDownInfo> TakeDown(IInventory inventory, Dictionary<string, double> qtyList, AuthOption option, WMS_ITEM.STATUSs status, bool clearLocation = true)
            {
                var result = new Result<TakeDownInfo>(Result.Flags.Success, new TakeDownInfo());
                try
                {
                    //如果要下架的数量字典为空则认为是全部下架
                    qtyList = qtyList.IsNullOrEmpty(inventory.Items.ToDictionary(k => k.SN, v => v.QTY));

                    foreach (var item in inventory.Items)
                    {
                        if (qtyList.ContainsKey(item.SN) && qtyList[item.SN] > 0)
                        {
                            var downQty = qtyList[item.SN];
                            if (item.QTY > downQty)
                            {
                                item.QTY -= downQty;
                                var pkg = inventory.Packages.First(q => q.SN == item.SN);
                                pkg.QTY = item.QTY;
                            }
                            else
                            {
                                item.STATUS = status.GetValue();
                                var pkg = inventory.Packages.First(q => q.SN == item.SN);
                                pkg.PARENT_SN = null;
                                pkg.Parent = null;
                                if (clearLocation)
                                {
                                    //item.WH_ID = null;
                                    item.REGION_ID = null;
                                    item.SHELF_ID = null;
                                    item.LOCATION_ID = null;
                                    //pkg.WH_ID = null;
                                    pkg.REGION_ID = null;
                                    pkg.SHELF_ID = null;
                                    pkg.LOCATION_ID = null;
                                }
                            }
                            inventory.History.Add(new WMS_ITEM_HIS(item, $"条码[{inventory.SN}]从储位[{inventory?.Location?.LOCATION_CODE}]下架数量[{downQty}]成功，状态[{item.STATUS.GetEnumDesc<WMS_ITEM.STATUSs>()}]，操作单据[{item.TRANS_NO}]"));
                        }
                    }
                    inventory.Packages = WMS_ITEM_PKG.UpdateQty(inventory.Packages);

                    result.Data.Items = inventory.Items;
                    result.Data.History = inventory.History;
                    result.Data.Packages = inventory.Packages;
                }
                catch (Exception ex)
                {
                    result.CatchExceptionWithLog(ex, Biz.L("WMS.WmsItem.TakeDown.Exception", inventory.SN, inventory?.Location?.LOCATION_CODE));
                }
                return result;
            }

            /// <summary>
            /// 下架物料推荐，返回固定个数的最小包装物料库存列表
            /// </summary>
            /// <param name="order">领料单号</param>
            /// <param name="itemCode">物料编码</param>
            /// <param name="erpWH">物料的ERP库位</param>
            /// <param name="whID">物料所在的仓库编码</param>
            /// <param name="regionID">物料所在的储区编码</param>
            /// <param name="shelfID">物料所在的货架编码</param>
            /// <param name="option">授权查询选项</param>
            /// <param name="returnCount">返回的最小包装物料个数，默认返回1个</param>
            /// <returns></returns>
            public Result<List<SuggestItem>> Suggest(string order, string itemCode, string erpWH, string whID, string regionID, string shelfID, AuthOption option, int returnCount = 1)
            {
                var result = new Result<List<SuggestItem>>(Result.Flags.Success, new List<SuggestItem>()) { LocaleMsg = new("WMS.WmsItem.Suggest.Success") };
                try
                {
                    var items = Biz.Db.Queryable<WMS_ITEM, WMS_ITEM_POOL, WMS_WAREHOUSE, WMS_REGION, WMS_SHELF, WMS_LOCATION>((q, p, w, r, s, l) => new JoinQueryInfos(
                                                                    JoinType.Left, q.SN == p.SN,
                                                                    JoinType.Left, q.WH_ID == w.ID,
                                                                    JoinType.Left, q.REGION_ID == r.ID,
                                                                    JoinType.Left, q.SHELF_ID == s.ID,
                                                                    JoinType.Left, q.LOCATION_ID == l.ID))
                                                 //检查用户权限
                                                 .ByAuth(option)
                                                //允许使用已经分配到库存池中的物料
                                                .Where((q, p, w, r, s, l) => SqlFunc.IsNullOrEmpty(p.ID) || (!SqlFunc.IsNullOrEmpty(order) && p.STATUS <= WMS_ITEM_POOL.STATUSs.WaitPick.GetValue() && p.TRANS_NO == order))
                                                //只允许未锁定的
                                                .Where((q, p, w, r, s, l) => q.IS_LOCKED == "N")
                                                //只允许物料状态是在库的
                                                .Where((q, p, w, r, s, l) => q.STATUS == WMS_ITEM.STATUSs.InStore.GetValue())
                                                //如果有传入料号，则只允该料号的物料
                                                .WhereIF(!itemCode.IsNullOrEmpty(), (q, p, w, r, s, l) => q.ITEM_CODE == itemCode)
                                                //如果有传入库位，则只允该库位中的物料
                                                .WhereIF(!erpWH.IsNullOrEmpty(), (q, p, w, r, s, l) => q.ERP_WH == erpWH && q.AUTH_ORG == option.CurOrg)
                                                //如果有传入仓库，则只允该仓库的物料
                                                .WhereIF(!whID.IsNullOrEmpty(), (q, p, w, r, s, l) => q.WH_ID == whID && q.AUTH_ORG == option.CurOrg)
                                                //如果有传入储区，则只允该储区的物料
                                                .WhereIF(!regionID.IsNullOrEmpty(), (q, p, w, r, s, l) => q.REGION_ID == regionID && q.AUTH_ORG == option.CurOrg)
                                                //如果有传入货架，则只允该货架的物料
                                                .WhereIF(!shelfID.IsNullOrEmpty(), (q, p, w, r, s, l) => q.SHELF_ID == shelfID && q.AUTH_ORG == option.CurOrg)
                                                //优先使用库存池中的物料
                                                .OrderBy((q, p, w, r, s, l) => SqlFunc.IsNullOrEmpty(p.ID))
                                                //优先使用尾数物料(截料或者退料之后的物料)
                                                .OrderByDescending((q, p, w, r, s, l) => q.SN.Contains("_C") || q.SN.Contains("_T"))
                                                //按生产日期先进先出，再按物料数量从小到大，最后按条码排序
                                                .OrderBy((q, p, w, r, s, l) => q.PROD_DATE).OrderBy(q => q.QTY).OrderBy(q => q.SN)
                                                .Select((q, p, w, r, s, l) => new SuggestItem
                                                {
                                                    Item = q,
                                                    poolItem = null,
                                                    Warehouse = w,
                                                    Region = r,
                                                    Shelf = s,
                                                    Location = l,
                                                })
                                                //检查用户权限
                                                .Take(returnCount).ToList();
                    //foreach (var item in items)
                    //{
                    //    var inv = Get(item.SN, option, false);
                    //    if (inv.IsSuccessed)
                    //    {
                    //        result.Data.Add(inv.Data);
                    //    }
                    //}
                    result.Data = items;
                    var totalQty = result.Data.Sum(q => q.Item.QTY);
                    var total = result.Data.Count;
                    if (0 <= total && total < returnCount)
                    {
                        result.Flag = Result.Flags.Warning;
                        result.LocaleMsg = new("WMS.WmsItem.Suggest.Warning", total);
                    }
                    //if (total == 0)
                    //{
                    //    result.Flag = Result.Flags.Failed;
                    //    result.LocaleMsg = new("WMS.WmsItem.Suggest.Failed");
                    //}
                }
                catch (Exception ex)
                {
                    result.CatchExceptionWithLog(ex, Biz.L("WMS.WmsItem.Suggest.Exception"));
                }
                return result;
            }

            /// <summary>
            /// 下架物料推荐，按需求数量返回满足需求的物料库存列表
            /// </summary>
            /// <param name="order">领料单号</param>
            /// <param name="itemCode">物料编码</param>
            /// <param name="erpWH">物料的ERP库位</param>
            /// <param name="whID">物料所在的仓库编码</param>
            /// <param name="regionID">物料所在的储区编码</param>
            /// <param name="shelfID">物料所在的货架编码</param>
            /// <param name="option">授权查询选项</param>
            /// <param name="reqQty">需求数量，会返回满足需求的物料个数</param>
            /// <returns></returns>
            public Result<List<SuggestItem>> Suggest(string order, string itemCode, string erpWH, string whID, string regionID, string shelfID, AuthOption option, double reqQty)
            {
                var result = new Result<List<SuggestItem>>(Result.Flags.Success, new List<SuggestItem>()) { LocaleMsg = new("WMS.WmsItem.Suggest.Success") };
                try
                {
                    var takeCount = 0;
                    var checkSum = 0.0;
                    var checkCount = 0;
                    do
                    {
                        takeCount += 50;
                        var check = Biz.Db.Queryable<WMS_ITEM, WMS_ITEM_POOL, WMS_WAREHOUSE, WMS_REGION, WMS_SHELF, WMS_LOCATION>((q, p, w, r, s, l) => new JoinQueryInfos(
                                                                    JoinType.Left, q.SN == p.SN,
                                                                    JoinType.Left, q.WH_ID == w.ID,
                                                                    JoinType.Left, q.REGION_ID == r.ID,
                                                                    JoinType.Left, q.SHELF_ID == s.ID,
                                                                    JoinType.Left, q.LOCATION_ID == l.ID))
                                                 //检查用户权限
                                                 .ByAuth(option)
                                                //允许使用已经分配到库存池中的物料
                                                .Where((q, p, w, r, s, l) => SqlFunc.IsNullOrEmpty(p.ID) || (!SqlFunc.IsNullOrEmpty(order) && p.STATUS <= WMS_ITEM_POOL.STATUSs.WaitPick.GetValue() && p.TRANS_NO == order))
                                                //只允许未锁定的
                                                .Where((q, p, w, r, s, l) => q.IS_LOCKED == "N")
                                                //只允许物料状态是在库的
                                                .Where((q, p, w, r, s, l) => q.STATUS == WMS_ITEM.STATUSs.InStore.GetValue())
                                                //如果有传入料号，则只允该料号的物料
                                                .WhereIF(!itemCode.IsNullOrEmpty(), (q, p, w, r, s, l) => q.ITEM_CODE == itemCode)
                                                //如果有传入库位，则只允该库位中的物料
                                                .WhereIF(!erpWH.IsNullOrEmpty(), (q, p, w, r, s, l) => q.ERP_WH == erpWH && q.AUTH_ORG == option.CurOrg)
                                                //如果有传入仓库，则只允该仓库的物料
                                                .WhereIF(!whID.IsNullOrEmpty(), (q, p, w, r, s, l) => q.WH_ID == whID && q.AUTH_ORG == option.CurOrg)
                                                //如果有传入储区，则只允该储区的物料
                                                .WhereIF(!regionID.IsNullOrEmpty(), (q, p, w, r, s, l) => q.REGION_ID == regionID && q.AUTH_ORG == option.CurOrg)
                                                //如果有传入货架，则只允该货架的物料
                                                .WhereIF(!shelfID.IsNullOrEmpty(), (q, p, w, r, s, l) => q.SHELF_ID == shelfID && q.AUTH_ORG == option.CurOrg)
                                                //优先使用库存池中的物料
                                                .OrderBy((q, p, w, r, s, l) => SqlFunc.IsNullOrEmpty(p.ID))
                                                //优先使用尾数物料(截料或者退料之后的物料)
                                                .OrderByDescending((q, p, w, r, s, l) => q.SN.Contains("_C") || q.SN.Contains("_T"))
                                                //按生产日期先进先出，再按物料数量从小到大，最后按条码排序
                                                .OrderBy((q, p, w, r, s, l) => q.PROD_DATE).OrderBy(q => q.QTY).OrderBy(q => q.SN)
                                                .Select((q, p, w, r, s, l) => new
                                                {
                                                    ItemCode = q.ITEM_CODE,
                                                    Sn = q.SN,
                                                    Qty = q.QTY
                                                })
                                                .Take(takeCount)
                                                .MergeTable()
                                                .GroupBy(t => t.ItemCode)
                                                .Select(t => new
                                                {
                                                    Count = SqlFunc.AggregateCount(t.Sn),
                                                    Sum = SqlFunc.AggregateSum(t.Qty),
                                                }).First();
                        if (!check.IsNullOrEmpty())
                        {
                            checkSum = check.Sum;
                            checkCount = check.Count;
                        }
                        else
                        {
                            checkSum = 0;
                            checkCount = 0;
                        }
                    } while (checkSum < reqQty && checkCount >= takeCount);

                    var items = Biz.Db.Queryable<WMS_ITEM, WMS_ITEM_POOL, WMS_WAREHOUSE, WMS_REGION, WMS_SHELF, WMS_LOCATION>((q, p, w, r, s, l) => new JoinQueryInfos(
                                                                    JoinType.Left, q.SN == p.SN,
                                                                    JoinType.Left, q.WH_ID == w.ID,
                                                                    JoinType.Left, q.REGION_ID == r.ID,
                                                                    JoinType.Left, q.SHELF_ID == s.ID,
                                                                    JoinType.Left, q.LOCATION_ID == l.ID))
                                                 //检查用户权限
                                                 .ByAuth(option)
                                                //允许使用已经分配到库存池中的物料
                                                .Where((q, p, w, r, s, l) => SqlFunc.IsNullOrEmpty(p.ID) || (!SqlFunc.IsNullOrEmpty(order) && p.STATUS <= WMS_ITEM_POOL.STATUSs.WaitPick.GetValue() && p.TRANS_NO == order))
                                                //只允许未锁定的
                                                .Where((q, p, w, r, s, l) => q.IS_LOCKED == "N")
                                                //只允许物料状态是在库的
                                                .Where((q, p, w, r, s, l) => q.STATUS == WMS_ITEM.STATUSs.InStore.GetValue())
                                                //如果有传入料号，则只允该料号的物料
                                                .WhereIF(!itemCode.IsNullOrEmpty(), (q, p, w, r, s, l) => q.ITEM_CODE == itemCode)
                                                //如果有传入库位，则只允该库位中的物料
                                                .WhereIF(!erpWH.IsNullOrEmpty(), (q, p, w, r, s, l) => q.ERP_WH == erpWH && q.AUTH_ORG == option.CurOrg)
                                                //如果有传入仓库，则只允该仓库的物料
                                                .WhereIF(!whID.IsNullOrEmpty(), (q, p, w, r, s, l) => q.WH_ID == whID && q.AUTH_ORG == option.CurOrg)
                                                //如果有传入储区，则只允该储区的物料
                                                .WhereIF(!regionID.IsNullOrEmpty(), (q, p, w, r, s, l) => q.REGION_ID == regionID && q.AUTH_ORG == option.CurOrg)
                                                //如果有传入货架，则只允该货架的物料
                                                .WhereIF(!shelfID.IsNullOrEmpty(), (q, p, w, r, s, l) => q.SHELF_ID == shelfID && q.AUTH_ORG == option.CurOrg)
                                                //优先使用库存池中的物料
                                                .OrderBy((q, p, w, r, s, l) => SqlFunc.IsNullOrEmpty(p.ID))
                                                //优先使用尾数物料(截料或者退料之后的物料)
                                                .OrderByDescending((q, p, w, r, s, l) => q.SN.Contains("_C") || q.SN.Contains("_T"))
                                                //按生产日期先进先出，再按物料数量从小到大，最后按条码排序
                                                .OrderBy((q, p, w, r, s, l) => q.PROD_DATE).OrderBy(q => q.QTY).OrderBy(q => q.SN)
                                                .Select((q, p, w, r, s, l) => new SuggestItem
                                                {
                                                    Item = q,
                                                    poolItem = null,
                                                    Warehouse = w,
                                                    Region = r,
                                                    Shelf = s,
                                                    Location = l,
                                                })
                                                .Take(takeCount).ToList();
                    var curQty = 0.0;
                    foreach (var item in items)
                    {
                        result.Data.Add(item);
                        curQty += item.Item.QTY;
                        if (curQty >= reqQty)
                        {
                            break;
                        }
                    }

                    var totalQty = result.Data.Sum(q => q.Item.QTY);
                    var total = result.Data.Count;
                    if (0 <= totalQty && totalQty < reqQty)
                    {
                        result.Flag = Result.Flags.Warning;
                        result.LocaleMsg = new("WMS.WmsItem.Suggest.Warning", totalQty);
                    }
                    //if (totalQty == 0)
                    //{
                    //    result.Flag = Result.Flags.Failed;
                    //    result.LocaleMsg = new("WMS.WmsItem.Suggest.Failed");
                    //}
                }
                catch (Exception ex)
                {
                    result.CatchExceptionWithLog(ex, Biz.L("WMS.WmsItem.Suggest.Exception"));
                }
                return result;
            }

            /// <summary>
            /// 根据SN返回相应的二维码
            /// </summary>
            /// <param name="sn"></param>
            /// <returns></returns>
            public string GetQRCode(string sn)
            {
                return Biz.Db.Queryable<WMS_ITEM>().Where(q => q.SN == sn).First()?.GetQRCode();
            }

            /// <summary>
            /// 储位查询
            /// </summary>
            /// <param name="input"></param>
            /// <returns></returns>
            public ApiAction<PageAble<V_WMS_ITEM>> QueryLocation(BasePageInput input)
            {
                var action = new ApiAction<PageAble<V_WMS_ITEM>>();
                if (input.Code != "")
                {
                    var query = Biz.Db.Queryable<V_WMS_ITEM>().ByAuth(input.AuthOption).Where(q => q.LOCATION_CODE == input.Code).ToPage(input.pageIndex, input.pageSize);
                    if (query.data.Count > 0)
                    {
                        action.Data = query;
                    }
                    else
                    {
                        action.IsSuccessed = false;
                        action.LocaleMsg = Biz.L("储位未找到有物品");
                    }
                }
                else
                {
                    action.IsSuccessed = false;
                }
                return action;
            }

            /// <summary>
            /// 物料汇总查询
            /// </summary>
            /// <param name="input"></param>
            /// <returns></returns>
            public PageAble<V_WMS_ITEM> QueryItemSum(QueryItemInputDtl input)
            {
                var ItemCode = Biz.Db.Queryable<WMS_ITEM_PKG>().ByAuth(input.AuthOption).Where(q => q.SN == input.Code).First()?.ITEM_CODE ??
                                         (input.IsK.IsNullOrEmpty() ? input.Code : (((bool)input.IsK ? "K" : "") + new Barcode(input.Code).ItemCode));
                var itemInfo = Biz.Db.Queryable<BAS_ITEM>().Where(q => q.ITEM_CODE == ItemCode).First();
                if (!itemInfo.IsNullOrEmpty())
                {
                    var sumInfo = Biz.Db.Queryable<V_WMS_ITEM>().Where(q => q.ITEM_CODE == ItemCode && q.STATUS == WMS_ITEM.STATUSs.InStore.GetValue())
                                      .ByAuth(input.AuthOption).GroupBy(q => new { q.WH_CODE, q.ITEM_CODE }).Select(q => new { WH_CODE = q.WH_CODE, SumQty = SqlFunc.AggregateSum(q.QTY) }).ToList();
                    var items = Biz.Db.Queryable<V_WMS_ITEM>().Where(q => q.ITEM_CODE == ItemCode && q.STATUS == WMS_ITEM.STATUSs.InStore.GetValue())
                                      .ByAuth(input.AuthOption).ToPage(input.pageIndex, input.pageSize);
                    items.data2 = new { ItemCode = ItemCode, ItemName = itemInfo.ITEM_NAME, SumInfo = $"{string.Join("\r\n", sumInfo.Select(q => $"{q.WH_CODE}总库存: {(double)q.SumQty}"))}" };
                    return items;
                }
                else
                {
                    throw new Exception("物料编码不存在");
                }
            }
        }
    }

    /// <summary>
    /// WMS_ITEM扩展方法
    /// </summary>
    public static class WMS_ITEMExtension
    {
        /// <summary>
        /// 物料添加到物料池
        /// </summary>
        /// <param name="item"></param>
        /// <param name="orgCode"></param>
        /// <param name="transCode"></param>
        /// <param name="transNo"></param>
        /// <param name="transLine"></param>
        /// <param name="actQty"></param>
        /// <param name="isFirst"></param>
        public static WMS_ITEM_POOL GetPoolItem(this WMS_ITEM item, string orgCode, string transCode, string transNo, string transLine, double actQty, bool isFirst)
        {
            var poolItem = new WMS_ITEM_POOL()
            {
                AUTH_ORG = orgCode,
                TRANS_CODE = transCode,
                TRANS_NO = transNo,
                TRANS_LINE = transLine,
                ITEM_CODE = item.ITEM_CODE,
                SN = item.SN,
                QTY = item.QTY,
                ALLOC_QTY = actQty >= item.QTY ? item.QTY : actQty,
                PROD_DATE = item.PROD_DATE,
                LOCATION_ID = item.LOCATION_ID,
                IS_FIRST = isFirst ? "Y" : "N",
                ALLOC_MODE = actQty >= item.QTY ? WMS_ITEM_POOL.ALLOC_MODEs.AllAllocated.GetValue() : WMS_ITEM_POOL.ALLOC_MODEs.PartialAllocate.GetValue(),
                STATUS = WMS_ITEM_POOL.STATUSs.WaitPick.GetValue(),
            };
            return poolItem;
        }

        /// <summary>
        /// 获取相应二维码
        /// </summary>
        /// <param name="item"></param>
        /// <returns></returns>
        public static string GetQRCode(this WMS_ITEM item)
        {
            try
            {
                //var code = Biz.Db.Queryable<WMS_ITEM_EXT>().Where(q => q.SN == item.SN).First()?.QR_CODE;
                var code = "";
                if (code.IsNullOrEmpty() && !item.IsNullOrEmpty())
                {
                    code += $"V{item.TRANS_NO},";
                    code += $"P{item.ITEM_CODE},";
                    code += $"Q{item.QTY},";
                    code += $"U{item.UNIT},";
                    code += $"M{item.ITEM_CODE},";
                    code += $"D{item.PROD_DATE:yyyyMMdd},";
                    code += $"L{item.SUPP_LOTNO.IsNullOrEmpty(item.PROD_DATE.ToString("yyyyMMdd"))},";
                    code += $"S{item.SN},";
                    code = code.IsNullOrEmpty(item?.SN, code.Substring(0, code.Length - 1));
                }
                return code;
            }
            catch (System.Exception ex)
            {
                return item?.SN;
            }
        }

        /// <summary>
        /// 获取组织编码
        /// </summary>
        /// <returns></returns>
        public static List<string> GetOrgList()
        {
            var DB = Biz.DataSource["WMS57"].Client;
            var dataList = Biz.Db.Queryable<SYS_ORGANIZATION>().Select(i => i.ORG_CODE).Distinct().ToList();// 获取组织编码

            return dataList;
        }
    }
}