using Autofac.Core;
using Microsoft.Extensions.Logging;
using SqlSugar;
using WIDESEA_Common.LocationEnum;
using WIDESEA_Common.OrderEnum;
using WIDESEA_Common.StockEnum;
using WIDESEA_Core;
using WIDESEA_Core.BaseRepository;
using WIDESEA_Core.BaseServices;
using WIDESEA_Core.Helper;
using WIDESEA_DTO.Stock;
using WIDESEA_IBasicService;
using WIDESEA_IOutboundService;
using WIDESEA_IRecordService;
using WIDESEA_IStockService;
using WIDESEA_Model.Models;

namespace WIDESEA_OutboundService
{
    public partial class OutboundOrderDetailService : ServiceBase<Dt_OutboundOrderDetail, IRepository<Dt_OutboundOrderDetail>>, IOutboundOrderDetailService
    {
        private readonly IUnitOfWorkManage _unitOfWorkManage;
        public IRepository<Dt_OutboundOrderDetail> Repository => BaseDal;


        private readonly IStockService _stockService;

        private readonly IOutStockLockInfoService _outStockLockInfoService;
        private readonly ILocationInfoService _locationInfoService;
        private readonly IBasicService _basicService;
        private readonly IRecordService _recordService;
        private readonly IOutboundOrderService _outboundOrderService;
        private readonly ILocationStatusChangeRecordService _locationStatusChangeRecordService;
        private readonly ILogger<OutboundOrderDetailService> _logger;
        public OutboundOrderDetailService(IRepository<Dt_OutboundOrderDetail> BaseDal, IUnitOfWorkManage unitOfWorkManage, IStockService stockService, IOutStockLockInfoService outStockLockInfoService, IBasicService basicService, IRecordService recordService, ILocationInfoService locationInfoService, ILocationStatusChangeRecordService locationStatusChangeRecordService, IOutboundOrderService outboundOrderService, ILogger<OutboundOrderDetailService> logger) : base(BaseDal)
        {
            _unitOfWorkManage = unitOfWorkManage;
            _stockService = stockService;
            _outStockLockInfoService = outStockLockInfoService;
            _basicService = basicService;
            _recordService = recordService;
            _locationInfoService = locationInfoService;
            _locationStatusChangeRecordService = locationStatusChangeRecordService;
            _outboundOrderService = outboundOrderService;
            _logger = logger;

        }


        /// <summary>
        /// 分配出库库存  按先进先出原则分配
        /// </summary>
        public (List<Dt_StockInfo>, List<Dt_OutboundOrderDetail>, List<Dt_OutStockLockInfo>, List<Dt_LocationInfo>)
       AssignStockOutbound(List<Dt_OutboundOrderDetail> outboundOrderDetails)
        {
            if (!outboundOrderDetails.Any())
            {
                throw new Exception("未找到出库单明细信息");
            }

            if (outboundOrderDetails.GroupBy(x => x.OrderId).Count() > 1)
            {
                throw new Exception("请勿同时操作多个单据明细");
            }

            var orderId = outboundOrderDetails.First().OrderId;
            var outboundOrder = _outboundOrderService.Db.Queryable<Dt_OutboundOrder>()
                .First(x => x.Id == orderId);

            if (!CanReassignOrder(outboundOrder))
            {
                throw new Exception($"订单{outboundOrder.OrderNo}状态不允许重新分配库存");
            }

            List<Dt_StockInfo> outStocks = new List<Dt_StockInfo>();
            List<Dt_OutStockLockInfo> outStockLockInfos = new List<Dt_OutStockLockInfo>();
            List<Dt_LocationInfo> locationInfos = new List<Dt_LocationInfo>();

            // 按物料和批次分组处理
            var groupDetails = outboundOrderDetails
                .GroupBy(x => new { x.MaterielCode, x.BatchNo, x.SupplyCode,x.WarehouseCode })
                .Select(x => new
                {
                    MaterielCode = x.Key.MaterielCode,
                    BatchNo = x.Key.BatchNo,
                    SupplyCode = x.Key.SupplyCode,
                    Details = x.ToList(),
                    WarehouseCode=x.Key.WarehouseCode,
                    TotalNeedQuantity = CalculateReassignNeedQuantity(x.ToList())
                })
                .Where(x => x.TotalNeedQuantity > 0)
                .ToList();

            foreach (var item in groupDetails)
            {
                var needQuantity = item.TotalNeedQuantity;
                 
                // 获取可用库存（按先进先出排序）
                List<Dt_StockInfo> stockInfos = _stockService.StockInfoService.GetUseableStocks(item.MaterielCode, item.BatchNo, item.SupplyCode,item.WarehouseCode, outboundOrder.FactoryArea);

                if (!stockInfos.Any())
                {
                    throw new Exception($"物料[{item.MaterielCode}]批次[{item.BatchNo}]供应商[{item.SupplyCode}]未找到可分配库存");
                }

                // 分配库存（按先进先出）
                var (autoAssignStocks, stockAllocations) = _stockService.StockInfoService.GetOutboundStocks(stockInfos, item.MaterielCode, needQuantity, out decimal residueQuantity);

                // 检查分配结果：如果完全无法分配（分配数量为0），则报错
                decimal allocatedQuantity = needQuantity - residueQuantity;
                if (allocatedQuantity <= 0)
                {
                    throw new Exception($"物料[{item.MaterielCode}]批次[{item.BatchNo}]库存不足，需要{needQuantity}，但无法分配任何库存");
                }

                outStocks.AddRange(autoAssignStocks);

                // 按先进先出原则分配锁定数量到各个明细
                var distributionResult = DistributeLockQuantityByFIFO(item.Details, autoAssignStocks, stockAllocations, outStockLockInfos, outboundOrder);

                if (!distributionResult.success)
                {
                    throw new Exception(distributionResult.message);
                }

                // 更新出库单明细状态
                UpdateOrderDetailStatus(item.Details, allocatedQuantity, needQuantity);


                // 更新库存和托盘状态
               UpdateNormalStocksAndPalletsStatus(autoAssignStocks, stockAllocations);
            }

            if (outStocks.Any())
            {
                locationInfos.AddRange(_locationInfoService.GetLocationInfos(
                    outStocks.Select(x => x.LocationCode).Distinct().ToList()));
            }

            return (outStocks, outboundOrderDetails, outStockLockInfos, locationInfos);
        }
        /// <summary>
        /// 更新库存和托盘状态
        /// </summary>
        private void UpdateNormalStocksAndPalletsStatus(List<Dt_StockInfo> stocks, Dictionary<int, decimal> stockAllocations)
        {
            foreach (var stock in stocks)
            {
                var stockDetail = stock.Details.First();
                if (stockAllocations.TryGetValue(stockDetail.Id, out decimal allocatedQty) && allocatedQty > 0)
                {

                      _stockService.StockInfoService.Db.Updateable<Dt_StockInfo>()
                        .SetColumns(x => new Dt_StockInfo
                        {
                            StockStatus = (int)StockStatusEmun.出库锁定,
                        })
                        .Where(x => x.Id == stock.Id)
                        .ExecuteCommand();
                }
            }
        }
        /// <summary>
        /// 检查订单是否允许重新分配
        /// </summary>
        private bool CanReassignOrder(Dt_OutboundOrder outboundOrder)
        {
            // 允许重新分配的状态
            var allowedStatus = new[] { OutOrderStatusEnum.未开始, OutOrderStatusEnum.出库中, OutOrderStatusEnum.部分完成 };

            return allowedStatus.Contains((OutOrderStatusEnum)outboundOrder.OrderStatus);
        }

        /// <summary>
        /// 重新计算需求数量（考虑重新分配的场景）
        /// </summary>
        private decimal CalculateReassignNeedQuantity(List<Dt_OutboundOrderDetail> details)
        {
            decimal totalNeed = 0;

            foreach (var detail in details)
            {
                // 关键修改：重新分配时，只考虑未出库的部分，忽略锁定数量
                // 因为锁定数量在回库时已经被重置
                decimal remainingNeed = detail.OrderQuantity - detail.OverOutQuantity - detail.MoveQty;

                if (remainingNeed > 0)
                {
                    totalNeed += remainingNeed;
                }
            }

            return totalNeed;
        }
        private (bool success, string message) DistributeLockQuantityByFIFO(
           List<Dt_OutboundOrderDetail> details,
           List<Dt_StockInfo> assignStocks,
           Dictionary<int, decimal> stockAllocations,
           List<Dt_OutStockLockInfo> outStockLockInfos,
           Dt_OutboundOrder outboundOrder)
        {
            // 按先进先出排序出库单明细（Id小的优先）
            var sortedDetails = details
                .Where(d => d.OrderQuantity - d.OverOutQuantity - d.LockQuantity - d.MoveQty > 0)
                .OrderBy(x => x.Id)
                .ToList();

            if (!sortedDetails.Any())
                return (true, "无需分配");

            // 获取所有分配了库存的明细，按先进先出排序
            var allocatedStockDetails = assignStocks
                .SelectMany(x => x.Details)
                .Where(x => stockAllocations.ContainsKey(x.Id) && stockAllocations[x.Id] > 0)
                .OrderBy(x => x.CreateDate)
                .ThenBy(x => x.StockId)
                .ToList();

            if (!allocatedStockDetails.Any())
            {
                return (false, "没有可分配的库存明细");
            }

            decimal totalNeedQuantity = sortedDetails.Sum(d =>
                d.OrderQuantity - d.OverOutQuantity - d.LockQuantity - d.MoveQty);
            decimal allocatedQuantity = 0;

            // 为每个库存明细创建分配记录
            foreach (var stockDetail in allocatedStockDetails)
            {
                if (!stockAllocations.TryGetValue(stockDetail.Id, out decimal allocatedQuantityForStock))
                    continue;

                if (allocatedQuantityForStock <= 0) continue;

                var stockInfo = assignStocks.First(x => x.Id == stockDetail.StockId);
                decimal remainingAllocate = allocatedQuantityForStock;

                // 按顺序分配给各个出库单明细
                foreach (var detail in sortedDetails)
                {
                    if (remainingAllocate <= 0) break;

                    // 计算这个明细还需要分配的数量
                    var detailNeed = detail.OrderQuantity - detail.OverOutQuantity - detail.LockQuantity - detail.MoveQty;
                    if (detailNeed <= 0) continue;

                    // 分配数量
                    var assignQuantity = Math.Min(remainingAllocate, detailNeed);

                    // 验证条码是否存在
                    if (string.IsNullOrEmpty(stockDetail.Barcode))
                    {
                        return (false, $"库存明细ID[{stockDetail.Id}]的条码为空");
                    }

                    // 创建出库锁定信息
                    var lockInfo = _outStockLockInfoService.GetOutStockLockInfo(
                        outboundOrder, detail, stockInfo, assignQuantity, stockDetail.Barcode);
                    outStockLockInfos.Add(lockInfo);

                    // 更新明细的锁定数量
                    detail.LockQuantity += assignQuantity;
                    remainingAllocate -= assignQuantity;
                    allocatedQuantity += assignQuantity;
                }

                // 如果还有剩余分配数量，记录警告
                if (remainingAllocate > 0)
                {
                    _logger.LogWarning($"库存分配后仍有剩余数量未分配: {remainingAllocate}, 条码: {stockDetail.Barcode}");
                }
            }

            // 验证是否至少分配了一部分
            if (allocatedQuantity <= 0)
            {
                return (false, "库存分配失败，无法分配任何数量");
            }

            // 记录分配结果
            if (allocatedQuantity < totalNeedQuantity)
            {
                _logger.LogWarning($"库存部分分配，需要{totalNeedQuantity}，实际分配{allocatedQuantity}");
            }
            else
            {
                _logger.LogInformation($"库存完全分配，分配数量{allocatedQuantity}");
            }

            return (true, "分配成功");
        }


        /// <summary>
        /// 为分批分配库存
        /// </summary>
        public async Task<(List<Dt_StockInfo>, List<Dt_OutboundOrderDetail>, List<Dt_OutStockLockInfo>, List<Dt_LocationInfo>)>
            AssignStockForBatch(Dt_OutboundOrderDetail orderDetail, decimal batchQuantity, string batchNo)
        {
            if (orderDetail == null)
            {
                throw new Exception("未找到出库单明细信息");
            }

            var outboundOrder = await _outboundOrderService.Db.Queryable<Dt_OutboundOrder>()
                .FirstAsync(x => x.Id == orderDetail.OrderId);

            List<Dt_StockInfo> outStocks = new List<Dt_StockInfo>();
            List<Dt_OutStockLockInfo> outStockLockInfos = new List<Dt_OutStockLockInfo>();
            List<Dt_LocationInfo> locationInfos = new List<Dt_LocationInfo>();

            // 按物料和批次分组处理（这里只有一个明细）
            var groupDetails = new List<Dt_OutboundOrderDetail> { orderDetail }
                .GroupBy(x => new { x.MaterielCode, x.BatchNo, x.SupplyCode ,x.WarehouseCode})
                .Select(x => new
                {
                    MaterielCode = x.Key.MaterielCode,
                    BatchNo = x.Key.BatchNo,
                    SupplyCode = x.Key.SupplyCode,
                    WarehouseCode=x.Key.WarehouseCode,
                    Details = x.ToList(),
                    TotalNeedQuantity = batchQuantity  // 使用分批数量
                })
                .Where(x => x.TotalNeedQuantity > 0)
                .ToList();

            foreach (var item in groupDetails)
            {
                var needQuantity = item.TotalNeedQuantity;

                // 获取可用库存（按先进先出排序）
                List<Dt_StockInfo> stockInfos = _stockService.StockInfoService.GetUseableStocks(item.MaterielCode, item.BatchNo, item.SupplyCode,item.WarehouseCode,outboundOrder.FactoryArea);
                if (!stockInfos.Any())
                {
                    throw new Exception($"物料[{item.MaterielCode}]批次[{item.BatchNo}]未找到可分配库存");
                }

                // 分配库存（按先进先出）
                var (autoAssignStocks, stockAllocations) = _stockService.StockInfoService.GetOutboundStocks(stockInfos, item.MaterielCode, needQuantity, out decimal residueQuantity);

                // 检查分配结果
                decimal allocatedQuantity = needQuantity - residueQuantity;
                if (allocatedQuantity <= 0)
                {
                    throw new Exception($"物料[{item.MaterielCode}]批次[{item.BatchNo}]库存不足，需要{needQuantity}，但无法分配任何库存");
                }

                outStocks.AddRange(autoAssignStocks);

                // 按先进先出原则分配锁定数量到各个明细
                var distributionResult = DistributeLockQuantityByFIFO(item.Details, autoAssignStocks, stockAllocations, outStockLockInfos, outboundOrder, batchNo);

                if (!distributionResult.success)
                {
                    throw new Exception(distributionResult.message);
                }

                // 更新出库单明细状态
                UpdateOrderDetailStatus(item.Details, allocatedQuantity, needQuantity);

                // 更新库存和托盘状态为出库锁定
                await UpdateStocksAndPalletsStatus(autoAssignStocks, stockAllocations);
            }

            if (outStocks.Any())
            {
                locationInfos.AddRange(_locationInfoService.GetLocationInfos(
                  outStocks.Select(x => x.LocationCode).Distinct().ToList()));


            }

            return (outStocks, groupDetails.SelectMany(x => x.Details).ToList(), outStockLockInfos, locationInfos);
        }
        /// <summary>
        /// 更新库存和托盘状态
        /// </summary>
        private async Task UpdateStocksAndPalletsStatus(List<Dt_StockInfo> stocks, Dictionary<int, decimal> stockAllocations)
        {
            foreach (var stock in stocks)
            {
                var stockDetail = stock.Details.First();
                if (stockAllocations.TryGetValue(stockDetail.Id, out decimal allocatedQty) && allocatedQty > 0)
                {
              
                    await _stockService.StockInfoService.Db.Updateable<Dt_StockInfo>()
                        .SetColumns(x => new Dt_StockInfo
                        {
                            StockStatus = (int)StockStatusEmun.出库锁定, 
                        })
                        .Where(x => x.Id == stock.Id)
                        .ExecuteCommandAsync();
                }
            }
        }
        /// <summary>
        /// 按先进先出原则分配锁定数量
        /// </summary>
        private (bool success, string message) DistributeLockQuantityByFIFO(
            List<Dt_OutboundOrderDetail> details,
            List<Dt_StockInfo> assignStocks,
            Dictionary<int, decimal> stockAllocations,
            List<Dt_OutStockLockInfo> outStockLockInfos,
            Dt_OutboundOrder outboundOrder,
            string batchNo)
        {
            var sortedDetails = details
                .Where(d => d.OrderQuantity - d.OverOutQuantity - d.AllocatedQuantity > 0)
                .OrderBy(x => x.Id)
                .ToList();

            if (!sortedDetails.Any())
                return (true, "无需分配");

            // 获取所有分配了库存的明细，按先进先出排序
            var allocatedStockDetails = assignStocks
                .SelectMany(x => x.Details)
                .Where(x => stockAllocations.ContainsKey(x.Id) && stockAllocations[x.Id] > 0)
                .OrderBy(x => x.CreateDate)
                .ThenBy(x => x.StockId)
                .ToList();

            if (!allocatedStockDetails.Any())
            {
                return (false, "没有可分配的库存明细");
            }

            decimal totalNeedQuantity = sortedDetails.Sum(d =>
                d.OrderQuantity - d.OverOutQuantity - d.AllocatedQuantity);
            decimal allocatedQuantity = 0;

            // 为每个库存明细创建分配记录
            foreach (var stockDetail in allocatedStockDetails)
            {
                if (!stockAllocations.TryGetValue(stockDetail.Id, out decimal allocatedQuantityForStock))
                    continue;

                if (allocatedQuantityForStock <= 0) continue;

                var stockInfo = assignStocks.First(x => x.Id == stockDetail.StockId);
                decimal remainingAllocate = allocatedQuantityForStock;

                // 按顺序分配给各个出库单明细
                foreach (var detail in sortedDetails)
                {
                    if (remainingAllocate <= 0) break;

                    // 计算这个明细还需要分配的数量
                    var detailNeed = detail.OrderQuantity - detail.OverOutQuantity - detail.AllocatedQuantity;
                    if (detailNeed <= 0) continue;

                    // 分配数量
                    var assignQuantity = Math.Min(remainingAllocate, detailNeed);

                    // 验证条码是否存在
                    if (string.IsNullOrEmpty(stockDetail.Barcode))
                    {
                        return (false, $"库存明细ID[{stockDetail.Id}]的条码为空");
                    }


                    // 创建出库锁定信息
                    var lockInfo = _outStockLockInfoService.GetOutStockLockInfo(
                        outboundOrder, detail, stockInfo, assignQuantity, stockDetail.Barcode, batchNo);
                    outStockLockInfos.Add(lockInfo);

                    // 更新明细的已分配数量
                    detail.AllocatedQuantity += assignQuantity;
                    detail.LockQuantity = detail.AllocatedQuantity;
                    remainingAllocate -= assignQuantity;
                    allocatedQuantity += assignQuantity;
                }

                // 如果还有剩余分配数量，记录警告
                if (remainingAllocate > 0)
                {
                    _logger.LogWarning($"库存分配后仍有剩余数量未分配: {remainingAllocate}, 条码: {stockDetail.Barcode}");
                }
            }

            // 验证是否至少分配了一部分
            if (allocatedQuantity <= 0)
            {
                return (false, "库存分配失败，无法分配任何数量");
            }

            // 记录分配结果
            if (allocatedQuantity < totalNeedQuantity)
            {
                _logger.LogWarning($"库存部分分配，需要{totalNeedQuantity}，实际分配{allocatedQuantity}");
            }
            else
            {
                _logger.LogInformation($"库存完全分配，分配数量{allocatedQuantity}");
            }

            return (true, "分配成功");
        }


        private void UpdateOrderDetailStatus(List<Dt_OutboundOrderDetail> details,
    decimal allocatedQuantity, decimal needQuantity)
        {
            foreach (var detail in details)
            {
                var detailNeed = detail.OrderQuantity - detail.LockQuantity - detail.OverOutQuantity - detail.MoveQty;

                if (detailNeed <= 0)
                {
                    // 该明细已完全分配
                    detail.OrderDetailStatus = OrderDetailStatusEnum.AssignOver.ObjToInt();
                }
                else if (allocatedQuantity < needQuantity)
                {
                    // 整体部分分配，该明细可能还有需求
                    detail.OrderDetailStatus = OrderDetailStatusEnum.AssignOverPartial.ObjToInt();
                }
                else
                {
                    // 整体完全分配
                    detail.OrderDetailStatus = OrderDetailStatusEnum.AssignOver.ObjToInt();
                }
            }
        }
        /// <summary>
        /// 出库库存分配后，更新数据库数据
        /// </summary>
        /// <param name="stockInfos"></param>
        /// <param name="outboundOrderDetails"></param>
        /// <param name="outStockLockInfos"></param>
        /// <param name="locationInfos"></param>
        /// <param name="locationStatus"></param>
        /// <param name="tasks"></param>
        /// <returns></returns>
        public WebResponseContent LockOutboundStockDataUpdate(List<Dt_StockInfo> stockInfos, List<Dt_OutboundOrderDetail> outboundOrderDetails,
            List<Dt_OutStockLockInfo> outStockLockInfos, List<Dt_LocationInfo> locationInfos,
            LocationStatusEnum locationStatus = LocationStatusEnum.Lock, List<Dt_Task>? tasks = null)
        {
            try
            {
                // 更新库存状态
                stockInfos.ForEach(x => x.StockStatus = (int)StockStatusEmun.出库锁定);
                _stockService.StockInfoService.Repository.UpdateData(stockInfos);

                // 更新库存明细
                var stockDetails = stockInfos.SelectMany(x => x.Details).ToList();
                _stockService.StockInfoDetailService.Repository.UpdateData(stockDetails);
                BaseDal.UpdateData(outboundOrderDetails);

                List<Dt_OutStockLockInfo> addOutStockLockInfos = outStockLockInfos.Where(x => x.Id == 0).ToList();
                if (addOutStockLockInfos != null && addOutStockLockInfos.Any())
                {
                    if (tasks != null)
                    {
                        addOutStockLockInfos.ForEach(x =>
                        {
                            x.TaskNum = tasks.FirstOrDefault(v => v.PalletCode == x.PalletCode)?.TaskNum;
                        });
                    }

                    _outStockLockInfoService.Repository.AddData(addOutStockLockInfos);
                }
                List<Dt_OutStockLockInfo> updateOutStockLockInfos = outStockLockInfos.Where(x => x.Id > 0).ToList();
                if (updateOutStockLockInfos != null && updateOutStockLockInfos.Any())
                {
                    _outStockLockInfoService.Repository.UpdateData(updateOutStockLockInfos);
                }

                _locationStatusChangeRecordService.AddLocationStatusChangeRecord(locationInfos, locationStatus, LocationChangeType.OutboundAssignLocation, "", tasks?.Select(x => x.TaskNum).ToList());
                _locationInfoService.UpdateLocationStatus(locationInfos, locationStatus);
                return WebResponseContent.Instance.OK();
            }
            catch (Exception ex)
            {
                return WebResponseContent.Instance.Error(ex.Message);
            }
        }



        public override PageGridData<Dt_OutboundOrderDetail> GetPageData(PageDataOptions options)
        {
            //var  pageGridData = base.GetPageData(options);

            ISugarQueryable<Dt_OutboundOrderDetail> sugarQueryable1 = BaseDal.Db.Queryable<Dt_OutboundOrderDetail>();
            if (!string.IsNullOrEmpty(options.Wheres))
            {

                List<SearchParameters> searchParametersList = options.Wheres.DeserializeObject<List<SearchParameters>>();
                int totalCount = 0;
                if (searchParametersList.Count > 0)
                {
                    {
                        SearchParameters? searchParameters = searchParametersList.FirstOrDefault(x => x.Name == nameof(Dt_InboundOrderDetail.OrderId).FirstLetterToLower());
                        if (searchParameters != null)
                        {
                            sugarQueryable1 = sugarQueryable1.Where(x => x.OrderId == searchParameters.Value.ObjToInt());
                            var dataList = sugarQueryable1.ToPageList(options.Page, options.Rows, ref totalCount);
                            return new PageGridData<Dt_OutboundOrderDetail>(totalCount, dataList);
                        }
                    }


                }
            }
            return new PageGridData<Dt_OutboundOrderDetail>();
        }


        public (List<Dt_StockInfo>, Dt_OutboundOrderDetail, List<Dt_OutStockLockInfo>, List<Dt_LocationInfo>)AssignStockOutbound(Dt_OutboundOrderDetail outboundOrderDetail, List<StockSelectViewDTO> stockSelectViews)
        {
            // 验证用户选择
            (bool, string) checkResult = CheckSelectStockDeital(outboundOrderDetail, stockSelectViews);
            if (!checkResult.Item1) throw new Exception(checkResult.Item2);

            Dt_OutboundOrder outboundOrder = _outboundOrderService.Repository.QueryFirst(x => x.Id == outboundOrderDetail.OrderId);
            var originalNeedQuantity = outboundOrderDetail.OrderQuantity - outboundOrderDetail.LockQuantity - outboundOrderDetail.MoveQty;

            List<Dt_StockInfo> outStocks = new List<Dt_StockInfo>();
            List<Dt_OutStockLockInfo> outStockLockInfos = new List<Dt_OutStockLockInfo>();

            decimal remainingNeedQuantity = originalNeedQuantity;
            decimal totalAssignedFromUserSelection = 0;

            // 按先进先出排序用户选择的库存
            var userSelectedStocks = _stockService.StockInfoService.GetStockInfosByPalletCodes(stockSelectViews.Select(x => x.PalletCode).ToList());

            var sortedUserSelectedStocks = userSelectedStocks.OrderBy(x => x.CreateDate).ToList();

            // 分配用户选择的库存
            foreach (var stock in sortedUserSelectedStocks)
            {
                if (remainingNeedQuantity <= 0) break;

                // 获取用户对该托盘的选择数量
                var userSelection = stockSelectViews.FirstOrDefault(x => x.PalletCode == stock.PalletCode);
                if (userSelection == null) continue;

                // 计算该托盘实际可用数量
                var availableQuantity = CalculateAvailableQuantityByBarcode(stock, outboundOrderDetail.MaterielCode,
           outboundOrderDetail.BatchNo, outboundOrderDetail.SupplyCode, userSelection.Barcode);

                // 确定分配数量：取用户选择数量、可用数量和剩余需求的最小值
                var assignQuantity = Math.Min(Math.Min(userSelection.UseableQuantity, availableQuantity), remainingNeedQuantity);

                if (assignQuantity <= 0) continue;

                // 执行分配，使用用户选择的条码
                var actualAssigned = AssignStockQuantity(stock, outboundOrderDetail, assignQuantity, userSelection.Barcode);

                if (actualAssigned > 0)
                {
                    outStocks.Add(stock);
                    totalAssignedFromUserSelection += actualAssigned;
                    remainingNeedQuantity -= actualAssigned;

                    // 创建锁定记录，使用用户选择的条码
                    var lockInfo = CreateOutStockLockInfo(outboundOrder, outboundOrderDetail, stock, actualAssigned, userSelection.Barcode);
                    outStockLockInfos.Add(lockInfo);
                }
            }

            // 检查用户选择是否至少分配了一部分
            if (totalAssignedFromUserSelection <= 0)
            {
                throw new Exception("用户选择的库存无法分配任何数量");
            }

            // 如果用户选择的库存不够，自动分配剩余部分
          
            if (remainingNeedQuantity > 0)
            {
                
            }

            // 更新锁定数量
            outboundOrderDetail.LockQuantity += totalAssignedFromUserSelection;

            // 更新状态
            UpdateOrderDetailStatus(outboundOrderDetail, remainingNeedQuantity);

            List<Dt_LocationInfo> locationInfos = _locationInfoService.GetLocationInfos(outStocks.Select(x => x.LocationCode).ToList());

            return (outStocks, outboundOrderDetail, outStockLockInfos, locationInfos);
        }
        private decimal CalculateAvailableQuantityByBarcode(Dt_StockInfo stock, string materielCode, string batchNo, string supplyCode, string barcode)
        {
            var query = stock.Details.AsQueryable()
                .Where(d => d.MaterielCode == materielCode &&
                           (d.StockQuantity - d.OutboundQuantity) > 0 &&
                           d.Barcode == barcode);

            if (!string.IsNullOrEmpty(batchNo))
            {
                query = query.Where(x => x.BatchNo == batchNo);
            }

            if (!string.IsNullOrEmpty(supplyCode))
            {
                query = query.Where(d => d.SupplyCode == supplyCode);
            }

            return query.Sum(d => d.StockQuantity - d.OutboundQuantity);
        }
        // 辅助方法
        private decimal CalculateAvailableQuantity(Dt_StockInfo stock, string materielCode, string batchNo, string supplyCode)
        {
            var relevantDetails = stock.Details
                .Where(d => d.MaterielCode == materielCode &&
                           (string.IsNullOrEmpty(batchNo) || d.BatchNo == batchNo) &&
                           (string.IsNullOrEmpty(supplyCode) || d.SupplyCode == supplyCode))
                .ToList();

            return relevantDetails.Sum(d => d.StockQuantity - d.OutboundQuantity);
        }

        private decimal AssignStockQuantity(Dt_StockInfo stock, Dt_OutboundOrderDetail detail, decimal assignQuantity, string barcode)
        {
            decimal remainingAssign = assignQuantity;

            // 按先进先出分配指定条码的库存明细
            var query = stock.Details.AsQueryable()
                .Where(d => d.MaterielCode == detail.MaterielCode &&
                           (d.StockQuantity - d.OutboundQuantity) > 0 &&
                           d.Barcode == barcode); // 只分配指定条码
           
            query = query.Where(x => x.WarehouseCode == detail.WarehouseCode);

            if (!string.IsNullOrEmpty(detail.BatchNo))
            {
                query = query.Where(x => x.BatchNo == detail.BatchNo);
            }
            // 如果出库单有供应商要求，按供应商过滤
            if (!string.IsNullOrEmpty(detail.SupplyCode))
            {
                query = query.Where(d => d.SupplyCode == detail.SupplyCode);
            }
            var sortedDetails = query.ToList().OrderBy(d => d.CreateDate);

            foreach (var stockDetail in sortedDetails)
            {
                if (remainingAssign <= 0) break;

                var available = stockDetail.StockQuantity - stockDetail.OutboundQuantity;
                var assign = Math.Min(available, remainingAssign);

                stockDetail.OutboundQuantity += assign;
                remainingAssign -= assign;
            }

            return assignQuantity - remainingAssign; // 返回实际分配数量
        }

        private (decimal assignedQuantity, string barcode) AssignStockQuantity(Dt_StockInfo stock, Dt_OutboundOrderDetail detail, decimal assignQuantity)
        {
            decimal remainingAssign = assignQuantity;
            string assignedBarcode = string.Empty;

            // 按先进先出分配库存明细
            var query = stock.Details.AsQueryable()
                .Where(d => d.MaterielCode == detail.MaterielCode &&
                           (d.StockQuantity - d.OutboundQuantity) > 0);
               // .OrderBy(d => d.CreateDate);             

            if (!string.IsNullOrEmpty(detail.BatchNo))
            {
                query = query.Where(x => x.BatchNo == detail.BatchNo);
            }
            // 如果出库单有供应商要求，按供应商过滤
            if (!string.IsNullOrEmpty(detail.SupplyCode))
            {
                query = query.Where(d => d.SupplyCode == detail.SupplyCode);
            }
            var sortedDetails= query.ToList().OrderBy(d => d.CreateDate);


            foreach (var stockDetail in sortedDetails)
            {
                if (remainingAssign <= 0) break;

                var available = stockDetail.StockQuantity - stockDetail.OutboundQuantity;
                var assign = Math.Min(available, remainingAssign);

                stockDetail.OutboundQuantity += assign;
                remainingAssign -= assign;
                if (string.IsNullOrEmpty(assignedBarcode) && assign > 0)
                {
                    assignedBarcode = stockDetail.Barcode;
                }
            }


            return (assignQuantity - remainingAssign, assignedBarcode);
        }

        private Dt_OutStockLockInfo CreateOutStockLockInfo(Dt_OutboundOrder outboundOrder, Dt_OutboundOrderDetail detail,
            Dt_StockInfo stock, decimal quantity,string barcode="")
        {
            

            return _outStockLockInfoService.GetOutStockLockInfo(outboundOrder, detail, stock, quantity, barcode);
        }

        private List<Dt_OutStockLockInfo> CreateLockInfosForAutoAssign(Dt_OutboundOrder outboundOrder,
            Dt_OutboundOrderDetail detail, List<Dt_StockInfo> stocks, Dictionary<int, decimal> allocations)
        {
            var lockInfos = new List<Dt_OutStockLockInfo>();

            foreach (var stock in stocks.OrderBy(x => x.CreateDate))
            {
                if (allocations.TryGetValue(stock.Id, out decimal quantity) && quantity > 0)
                {
                    var lockInfo = CreateOutStockLockInfo(outboundOrder, detail, stock, quantity);
                    lockInfos.Add(lockInfo);
                }
            }

            return lockInfos;
        }

        private void UpdateOrderDetailStatus(Dt_OutboundOrderDetail detail, decimal remainingQuantity)
        {
            if (remainingQuantity <= 0)
            {
                detail.OrderDetailStatus = OrderDetailStatusEnum.AssignOver.ObjToInt();
            }
            else
            {
                detail.OrderDetailStatus = OrderDetailStatusEnum.AssignOverPartial.ObjToInt();
            }
        }

        private (bool, string) CheckSelectStockDeital(Dt_OutboundOrderDetail outboundOrderDetail, List<StockSelectViewDTO> stockSelectViews)
        {
            var needQuantity = outboundOrderDetail.OrderQuantity - outboundOrderDetail.LockQuantity - outboundOrderDetail.MoveQty;

            if (needQuantity <= 0)
            {
                return (false, "出库单明细无需分配库存");
            }

            // 检查总选择数量是否大于0
            var totalSelected = stockSelectViews.Sum(x => x.UseableQuantity);
            if (totalSelected <= 0)
            {
                return (false, "用户选择的库存数量必须大于0");
            }

            // 检查每个托盘的可用数量
            foreach (var selection in stockSelectViews)
            {
                if (selection.UseableQuantity <= 0)
                {
                    return (false, $"托盘[{selection.PalletCode}]的选择数量必须大于0");
                }

                var stock = _stockService.StockInfoService.GetStockInfoByPalletCode(selection.PalletCode);
                if (stock == null)
                {
                    return (false, $"托盘[{selection.PalletCode}]不存在");
                }

                var available = CalculateAvailableQuantityByBarcode(stock, outboundOrderDetail.MaterielCode,
                    outboundOrderDetail.BatchNo, outboundOrderDetail.SupplyCode,selection.Barcode);

                if (available <= 0)
                {
                    return (false, $"托盘[{selection.PalletCode}]没有可用库存");
                }
            }

            return (true, "验证通过");
        }
    }
}