using MES.Service.DB;
using MES.Service.Dto.webApi;
using MES.Service.Modes;
using SqlSugar;
using Newtonsoft.Json;
using System.Text;
using OfficeOpenXml;
using OfficeOpenXml.Style;

namespace MES.Service.service.Warehouse;

public class MesInvItemStocksManager : Repository<MesInvItemStocks>
{
    /// <summary>
    ///     查询可以退货的物料(带分页和搜索)
    /// </summary>
    /// <param name="searchDto">搜索请求参数</param>
    /// <returns>分页结果</returns>
    public PagedResult<ReturnableStockDto> GetReturnableStocks(
        ReturnableStockSearchDto searchDto)
    {
        // 参数校验
        if (searchDto.PageIndex < 1)
        {
            throw new Exception("页码必须大于0");
        }

        // if (!new[] { 10, 20, 50 }.Contains(searchDto.PageSize))
        // {
        //     throw new Exception("每页条数必须为10、20或50");
        // }

        // 1. 查询XB_RACKING_TASK_SYXT_LOG中ItemBarcode和PalletCode的映射关系
        var allRackingTaskData = Db.Queryable<XbRackingTaskSyxtLog>()
            .Where(x => !string.IsNullOrEmpty(x.ItemBarcode))
            .Select(x => new { x.ItemBarcode, x.PalletCode, x.Code, x.Id })
            .ToList();

        // ReturnableStockDto增加一个库存状态的字段
        // 当allRackingTaskData中的Code为null时，库存状态为立库入库中
        // 当allRackingTaskData中的Code为200时，库存状态为已经在立库内
        // 对每个条码，取最新ID的记录，并过滤掉Code为500（表示失败）的记录
        var rackingTaskData = allRackingTaskData
            .GroupBy(x => x.ItemBarcode) // 按条码分组
            .Select(g => g.OrderByDescending(x => x.Id).First()) // 取每个条码最新的一条记录
            .Where(x => x.Code != "500") // 过滤掉Code为500的失败记录
            .ToList();

        if (rackingTaskData == null || !rackingTaskData.Any())
        {
            return new PagedResult<ReturnableStockDto>
            {
                TbBillList = new List<ReturnableStockDto>(),
                Pagination = new PaginationInfo
                {
                    CurrentPage = searchDto.PageIndex,
                    PageSize = searchDto.PageSize,
                    TotalRecords = 0,
                    TotalPages = 0
                }
            };
        }

        // 1.1 提取去重后的条码列表用于查询
        var distinctBarcodes = rackingTaskData.Select(x => x.ItemBarcode)
            .Distinct().ToList();

        // 2. 构建查询条件
        var query = Db.Queryable<MesInvItemStocks>()
            .LeftJoin<MesItems>((stock, item) => stock.ItemId == item.Id)
            .LeftJoin<MesDepots>((stock, item, depot) =>
                stock.DepotsCode == depot.DepotCode)
            .LeftJoin<Organize>((stock, item, depot, org) =>
                item.UseOrg == org.Id.ToString())
            .LeftJoin<MesUnit>((stock, item, depot, org, unit) =>
                item.ItemUnit == unit.Id.ToString())
            .Where((stock, item, depot, org, unit) =>
                (distinctBarcodes.Contains(stock.ItemBarcode) ||
                 distinctBarcodes.Contains(stock.StackCode)) &&
                stock.Quantity > 0);

        // 3. 应用搜索条件
        var conditions = searchDto.Conditions;
        if (conditions != null)
        {
            //当conditions.IqcStatus为1时查询的值就要是特采直接使用，已检，免检，1的值
            // 精确匹配条件
            if (!string.IsNullOrEmpty(conditions.IqcStatus))
            {
                if (conditions.IqcStatus == "1")
                {
                    // 当IqcStatus为"1"时，查询特采直接使用、已检、免检状态
                    query = query.Where((stock, item, depot, org, unit) =>
                        stock.IqcStatus == "特采直接使用" ||
                        stock.IqcStatus == "已检" ||
                        stock.IqcStatus == "免检");
                }
                else
                {
                    // 其他情况按原值匹配
                    query = query.Where((stock, item, depot, org, unit) =>
                        stock.IqcStatus == conditions.IqcStatus);
                }
            }

            if (conditions.Quantity.HasValue)
            {
                query = query.Where((stock, item, depot, org, unit) =>
                    stock.Quantity == conditions.Quantity.Value);
            }

            // 模糊匹配条件

            if (!string.IsNullOrEmpty(conditions.DepotName))
            {
                query = query.Where((stock, item, depot, org, unit) =>
                    depot.DepotName != null &&
                    depot.DepotName.Contains(conditions.DepotName));
            }

            if (!string.IsNullOrEmpty(conditions.DepotSectionsCode))
            {
                query = query.Where((stock, item, depot, org, unit) =>
                    stock.DepotSectionsCode != null &&
                    stock.DepotSectionsCode.Contains(conditions
                        .DepotSectionsCode));
            }

            if (!string.IsNullOrEmpty(conditions.ItemNo))
            {
                query = query.Where((stock, item, depot, org, unit) =>
                    item.ItemNo != null &&
                    item.ItemNo.Contains(conditions.ItemNo));
            }

            if (!string.IsNullOrEmpty(conditions.ItemName))
            {
                query = query.Where((stock, item, depot, org, unit) =>
                    item.ItemName != null &&
                    item.ItemName.Contains(conditions.ItemName));
            }

            if (!string.IsNullOrEmpty(conditions.ItemModel))
            {
                query = query.Where((stock, item, depot, org, unit) =>
                    item.ItemModel != null &&
                    item.ItemModel.Contains(conditions.ItemModel));
            }

            if (!string.IsNullOrEmpty(conditions.ItemUnitName))
            {
                query = query.Where((stock, item, depot, org, unit) =>
                    unit.Fname != null &&
                    unit.Fname.Contains(conditions.ItemUnitName));
            }

            if (!string.IsNullOrEmpty(conditions.OrgCode))
            {
                query = query.Where((stock, item, depot, org, unit) =>
                    org.Fnumber != null &&
                    org.Fnumber.Contains(conditions.OrgCode));
            }

            if (!string.IsNullOrEmpty(conditions.OrgName))
            {
                query = query.Where((stock, item, depot, org, unit) =>
                    org.Fname != null &&
                    org.Fname.Contains(conditions.OrgName));
            }

            if (!string.IsNullOrEmpty(conditions.ItemBarcode))
            {
                query = query.Where((stock, item, depot, org, unit) =>
                    (stock.ItemBarcode != null &&
                     stock.ItemBarcode.Contains(conditions.ItemBarcode)) ||
                    (stock.StackCode != null &&
                     stock.StackCode.Contains(conditions.ItemBarcode)));
            }

            // 日期范围条件
            if (!string.IsNullOrEmpty(conditions.IndepDateStart))
            {
                if (DateTime.TryParse(conditions.IndepDateStart,
                        out var startDate))
                {
                    query = query.Where((stock, item, depot, org, unit) =>
                        stock.IndepDate >= startDate);
                }
            }

            if (!string.IsNullOrEmpty(conditions.IndepDateEnd))
            {
                if (DateTime.TryParse(conditions.IndepDateEnd, out var endDate))
                {
                    query = query.Where((stock, item, depot, org, unit) =>
                        stock.IndepDate <= endDate);
                }
            }
        }

        // 4. 查询所有符合条件的数据（不分页）
        var queryResult = query
            .OrderByDescending((stock, item, depot, org, unit) =>
                stock.IndepDate)
            .Select((stock, item, depot, org, unit) => new
            {
                stock.IqcStatus,
                DepotCode = stock.DepotsCode,
                depot.DepotName,
                stock.DepotSectionsCode,
                item.ItemNo,
                item.ItemName,
                item.ItemModel,
                stock.Quantity,
                item.ItemUnit,
                ItemUnitName = unit.Fname,
                stock.IndepDate,
                OrgCode = org.Fnumber,
                OrgName = org.Fname,
                stock.ItemBarcode,
                StockStackCode = stock.StackCode
            })
            .ToList();

        // 5. 在内存中转换为DTO，关联PalletCode并赋值ItemBarcode（优先使用箱条码StockStackCode）
        var tempDataList = queryResult.Select(x =>
        {
            // 优先使用StockStackCode，否则使用ItemBarcode去查找PalletCode
            var barcodeToMatch = !string.IsNullOrEmpty(x.StockStackCode)
                ? x.StockStackCode
                : x.ItemBarcode;
            var rackingTask = rackingTaskData
                .Where(r => r.ItemBarcode == barcodeToMatch)
                .FirstOrDefault();

            // 根据Code值确定库存状态: null为立库入库中(0), 200为已在立库内(1)
            string stockStatus = "进入立库的路上"; // 默认为立库入库中
            if (rackingTask?.Code != null)
            {
                stockStatus = rackingTask.Code == "200" ? "已在立库中" : "进入立库的路上";
            }

            return new
            {
                IqcStatus = x.IqcStatus == "已检" ? "1" : "0",
                ItemType = x.DepotName == "原材料仓" ? "0" : "1",
                StackCode = rackingTask?.PalletCode, // 使用PalletCode作为母托盘编号
                x.DepotCode,
                x.DepotName,
                x.DepotSectionsCode,
                x.ItemNo,
                x.ItemName,
                x.ItemModel,
                x.Quantity,
                x.ItemUnit,
                x.ItemUnitName,
                x.IndepDate,
                x.OrgCode,
                x.OrgName,
                ItemBarcode = barcodeToMatch,
                StockStatus = stockStatus // 添加库存状态
            };
        }).ToList();

        // 5.1 应用StackCode搜索条件（在内存中过滤PalletCode）
        if (conditions != null && !string.IsNullOrEmpty(conditions.StackCode))
        {
            tempDataList = tempDataList
                .Where(x =>
                    x.StackCode != null &&
                    x.StackCode.Contains(conditions.StackCode))
                .ToList();
        }

        // 5.2 应用StockStatus搜索条件（在内存中过滤）
        if (conditions != null && !string.IsNullOrEmpty(conditions.StockStatus))
        {
            tempDataList = tempDataList
                .Where(x => x.StockStatus == conditions.StockStatus)
                .ToList();
        }

        // 5.3 分组并合计Quantity
        var dataList = tempDataList
            .GroupBy(x => new
            {
                x.IqcStatus,
                x.ItemType,
                x.StackCode,
                x.DepotCode,
                x.DepotName,
                x.DepotSectionsCode,
                x.ItemNo,
                x.ItemName,
                x.ItemModel,
                x.ItemUnit,
                x.ItemUnitName,
                x.OrgCode,
                x.OrgName,
                x.ItemBarcode,
                x.StockStatus // 添加库存状态到分组键中
            })
            .Select(g => new ReturnableStockDto
            {
                IqcStatus = g.Key.IqcStatus,
                ItemType = g.Key.ItemType,
                StackCode = g.Key.StackCode,
                DepotCode = g.Key.DepotCode,
                DepotName = g.Key.DepotName,
                DepotSectionsCode = g.Key.DepotSectionsCode,
                ItemNo = g.Key.ItemNo,
                ItemName = g.Key.ItemName,
                ItemModel = g.Key.ItemModel,
                Quantity = g.Sum(x => x.Quantity),
                ItemUnit = g.Key.ItemUnit,
                ItemUnitName = g.Key.ItemUnitName,
                IndepDate = g.Max(x => x.IndepDate),
                OrgCode = g.Key.OrgCode,
                OrgName = g.Key.OrgName,
                ItemBarcode = g.Key.ItemBarcode,
                StockStatus = g.Key.StockStatus // 添加库存状态到DTO中
            }).ToList();

        // 6. 应用ItemType筛选(在内存中过滤)
        if (conditions?.ItemType != null)
        {
            dataList = dataList.Where(x => x.ItemType == conditions.ItemType)
                .ToList();
        }

        // 7. 计算总记录数和分页参数（基于最终结果）
        var totalRecords = dataList.Count;
        var totalPages =
            (int)Math.Ceiling((double)totalRecords / searchDto.PageSize);
        var skip = (searchDto.PageIndex - 1) * searchDto.PageSize;

        // 8. 对最终结果进行分页
        var pagedDataList =
            dataList.Skip(skip).Take(searchDto.PageSize).ToList();

        // 9. 返回分页结果
        return new PagedResult<ReturnableStockDto>
        {
            TbBillList = pagedDataList,
            Pagination = new PaginationInfo
            {
                CurrentPage = searchDto.PageIndex,
                PageSize = searchDto.PageSize,
                TotalRecords = totalRecords,
                TotalPages = totalPages
            }
        };
    }

    /// <summary>
    ///     查询可以退货的物料(旧版本,保留兼容)
    /// </summary>
    /// <returns>可退货物料库存列表</returns>
    public List<ReturnableStockDto> GetReturnableStocks()
    {
        // 1. 查询XB_RACKING_TASK_SYXT_LOG中所有的条码并去重
        var distinctBarcodes = Db.Queryable<XbRackingTaskSyxtLog>()
            .Where(x => !string.IsNullOrEmpty(x.ItemBarcode))
            .Select(x => x.ItemBarcode)
            .Distinct()
            .ToList();

        if (distinctBarcodes == null || !distinctBarcodes.Any())
        {
            return new List<ReturnableStockDto>();
        }

        // 1.1 查询XB_RACKING_TASK_SYXT_LOG中ItemBarcode和PalletCode、Code的映射关系
        var allRackingTaskData = Db.Queryable<XbRackingTaskSyxtLog>()
            .Where(x => !string.IsNullOrEmpty(x.ItemBarcode))
            .Select(x => new { x.ItemBarcode, x.PalletCode, x.Code, x.Id })
            .ToList();

        var rackingTaskData = allRackingTaskData
            .GroupBy(x => x.ItemBarcode)
            .Select(g => g.OrderByDescending(x => x.Id).First())
            .ToList();

        // 2. 使用条码查询MES_INV_ITEM_STOCKS中的数据,关联MES_ITEMS、MES_DEPOTS、ORGANIZE、MES_UNIT表
        var queryResult = Db.Queryable<MesInvItemStocks>()
            .LeftJoin<MesItems>((stock, item) => stock.ItemId == item.Id)
            .LeftJoin<MesDepots>((stock, item, depot) =>
                stock.DepotsCode == depot.DepotCode)
            .LeftJoin<Organize>((stock, item, depot, org) =>
                item.UseOrg == org.Id.ToString())
            .LeftJoin<MesUnit>((stock, item, depot, org, unit) =>
                item.ItemUnit == unit.Id.ToString())
            .Where((stock, item, depot, org, unit) =>
                distinctBarcodes.Contains(stock.ItemBarcode) &&
                stock.Quantity > 0)
            .Select((stock, item, depot, org, unit) => new
            {
                stock.IqcStatus,
                stock.StackCode,
                DepotCode = stock.DepotsCode,
                depot.DepotName,
                stock.DepotSectionsCode,
                item.ItemNo,
                item.ItemName,
                item.ItemModel,
                stock.Quantity,
                item.ItemUnit,
                ItemUnitName = unit.Fname,
                stock.IndepDate,
                OrgCode = org.Fnumber,
                OrgName = org.Fname,
                stock.ItemBarcode
            })
            .ToList();

        // 3. 在内存中进行数据转换
        var result = queryResult.Select(x =>
        {
            // 根据条码查找对应的立库任务信息
            var rackingTask = rackingTaskData
                .Where(r => r.ItemBarcode == x.ItemBarcode)
                .FirstOrDefault();

            // 根据Code值确定库存状态: null为立库入库中(0), 200为已在立库内(1)
            string stockStatus = "0"; // 默认为立库入库中
            if (rackingTask?.Code != null)
            {
                stockStatus =
                    rackingTask.Code == "200"
                        ? "1"
                        : "2"; // 200对应已在立库中(1)，其他非500值为进入立库的路上(2)
            }

            return new ReturnableStockDto
            {
                IqcStatus = x.IqcStatus == "已检" ? "1" : "0",
                ItemType = x.DepotName == "原材料仓" ? "0" : "1",
                StackCode = x.StackCode,
                DepotCode = x.DepotCode,
                DepotName = x.DepotName,
                DepotSectionsCode = x.DepotSectionsCode,
                ItemNo = x.ItemNo,
                ItemName = x.ItemName,
                ItemModel = x.ItemModel,
                Quantity = x.Quantity,
                ItemUnit = x.ItemUnit,
                ItemUnitName = x.ItemUnitName,
                IndepDate = x.IndepDate,
                OrgCode = x.OrgCode,
                OrgName = x.OrgName,
                ItemBarcode = x.ItemBarcode,
                StockStatus = stockStatus // 添加库存状态
            };
        }).ToList();

        return result;
    }

    /// <summary>
    ///     根据用户编码和字符串生成退料请求单
    /// </summary>
    /// <param name="dto">查询参数DTO</param>
    /// <returns>是否成功</returns>
    public bool CreateReturnMaterialRequest(ItemStockQueryDto dto)
    {
        // 请求地址: http://172.20.5.5:50080/Services/Wmcs/RetrieveTask
        // 参数格式: [{"taskCode":"xxx", "taskType":"1", "palletCode":"xxx", "widthType":"180", "station":"3"}]

        if (dto?.ItemBarcodes == null || !dto.ItemBarcodes.Any())
        {
            return false;
        }

        try
        {
            // 对每个条码单独处理
            foreach (var barcode in dto.ItemBarcodes)
            {
                // 检查最近两分钟内是否已经存在相同的 barcode 被处理过
                var twoMinutesAgo = DateTime.Now.AddMinutes(-2);
                var recentTask = Db.Queryable<XbRackingTaskSyxtLog>()
                    .Where(x =>
                        x.ItemBarcode == barcode &&
                        x.CreateDate >= twoMinutesAgo)
                    .First();

                if (recentTask != null)
                {
                    throw new Exception(
                        $"物料条码 {barcode} 在两分钟内已被扫描处理，请勿重复操作。为避免立库系统任务重复下发，系统限制同一物料条码在两分钟内只能处理一次。");
                }

                decimal messageId = 0;
                string taskCode = "";

                // 根据条码查询XB_RACKING_TASK_SYXT_LOG表，查询max(PALLETCODE)和对应的widthType
                var rackingTaskInfo = Db.Queryable<XbRackingTaskSyxtLog>()
                    .Where(x => x.ItemBarcode == barcode)
                    .OrderByDescending(x => x.Id)
                    .Select(x => new { x.PalletCode, x.WidthType })
                    .First();

                try
                {
                    // 1. 查询该条码对应的库存信息，按物料和批号汇总
                    var stockItems = Db.Queryable<MesInvItemStocks>()
                        .LeftJoin<MesItems>((stock, item) =>
                            stock.ItemId == item.Id)
                        .Where((stock, item) =>
                            (stock.ItemBarcode == barcode ||
                             stock.StackCode == barcode) && stock.Quantity > 0)
                        .GroupBy((stock, item) =>
                            new { stock.ItemId, stock.LotNo })
                        .Select((stock, item) => new
                        {
                            ItemNo = SqlFunc.AggregateMax(item.ItemNo),
                            ItemName = SqlFunc.AggregateMax(item.ItemName),
                            LotNo = stock.LotNo ?? "",
                            Quantity = SqlFunc.AggregateSum(stock.Quantity),
                            StackCode =
                                SqlFunc.AggregateMax(stock.DepotSectionsCode)
                        })
                        .ToList();

                    if (!stockItems.Any())
                    {
                        continue; // 跳过没有库存的条码
                    }

                    // 2. 生成任务号
                    taskCode =
                        Db.Ado.GetString(
                            "SELECT getbillcode1(1000, 1000, 'LKRK') FROM DUAL");

                    // 3. 获取第一条记录用于主表
                    var firstStock = stockItems.First();

                    // 4. 构建请求参数（数组格式）
                    var requestData = new
                    {
                        taskCode = taskCode,
                        taskType = "1",
                        palletCode = rackingTaskInfo?.PalletCode ?? "",
                        widthType = rackingTaskInfo?.WidthType?.ToString() ??
                                    "2000",
                        station = dto.Station
                    };
                    var requestList = new[] { requestData };
                    var jsonRequest = JsonConvert.SerializeObject(requestList);

                    // 5. 记录到MessageCenter表(请求前)

                    var messageCenter = new MessageCenter
                    {
                        TableName = "XB_RACKING_TASK_SYXT_LOG",
                        Url =
                            "http://172.20.5.5:50080/Services/Wmcs/RetrieveTask",
                        Method = "POST",
                        Status = 1,
                        CreateBy = dto.UserCode,
                        CreateDate =
                            DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"),
                        Title = "立库出库任务",
                        PageName = taskCode,
                        Data = jsonRequest,
                        DataInserted = jsonRequest
                    };
                    messageId = Db.Insertable(messageCenter)
                        .ExecuteReturnIdentity();

                    // 6. 调用HTTP接口
                    var apiUrl =
                        "http://172.20.5.5:50080/Services/Wmcs/RetrieveTask";

                    using var http = new HttpClient();
                    http.Timeout = TimeSpan.FromSeconds(30);
                    var content = new StringContent(jsonRequest, Encoding.UTF8,
                        "application/json");
                    var response = http.PostAsync(apiUrl, content).Result;
                    var responseStr =
                        response.Content.ReadAsStringAsync().Result;

                    //接口的响应是 {"Code":"200","JsonMessage":null,"CodeMessage":null,"Data":null}

                    //只有当Code为200时，才插入XbRackingTaskSyxtLog表  不然就是抛出异常，异常的内容为JsonMessage中的内容

                    // 6. 解析响应JSON
                    dynamic responseJson = null;
                    try
                    {
                        responseJson =
                            JsonConvert.DeserializeObject<dynamic>(responseStr);
                    }
                    catch
                    {
                        throw new Exception($"解析响应失败: {responseStr}");
                    }

                    var code = responseJson?.Code?.ToString();
                    var jsonMessage = responseJson?.JsonMessage?.ToString();

                    // 7. 根据Code判断成功或失败
                    if (code == "200")
                    {
                        // 成功：插入任务记录到XB_RACKING_TASK_SYXT_LOG表
                        var taskLog = new XbRackingTaskSyxtLog
                        {
                            CreateBy = dto.UserCode,
                            CreateDate = DateTime.Now,
                            TaskCode = taskCode,
                            TaskType = "立库出库请求",
                            PalletCode = rackingTaskInfo?.PalletCode ?? "",
                            WidthType = rackingTaskInfo?.WidthType ?? 2000,
                            MaterialName = firstStock.ItemName,
                            MaterialCode = firstStock.ItemNo,
                            BatchNo = firstStock.LotNo,
                            Quantity = firstStock.Quantity,
                            WarehousingJson = responseStr,
                            QcStatus = 2,
                            ItemBarcode = barcode
                        };
                        Db.Insertable(taskLog).ExecuteCommand();

                        // 更新MessageCenter表为成功状态
                        var successMessage = "立库任务下发成功，任务号为" + taskCode;
                        Db.Updateable<MessageCenter>()
                            .SetColumns(it => it.Result == 1)
                            .SetColumns(it => it.ResultData == successMessage)
                            .SetColumns(it => it.DealWith == 1)
                            .Where(it => it.Id == messageId)
                            .ExecuteCommand();
                    }
                    else
                    {
                        // 失败：更新MessageCenter表为失败状态
                        var errorMessage = string.IsNullOrEmpty(jsonMessage)
                            ? "任务请求失败"
                            : jsonMessage;
                        var failureMessage =
                            (string)("立库任务下发失败: " + errorMessage);

                        Db.Updateable<MessageCenter>()
                            .SetColumns(it => it.Result == 0)
                            .SetColumns(it => it.ResultData == failureMessage)
                            .SetColumns(it => it.DealWith == 0)
                            .Where(it => it.Id == messageId)
                            .ExecuteCommand();

                        // 抛出异常，异常内容为JsonMessage
                        throw new Exception(errorMessage);
                    }
                }
                catch (Exception ex)
                {
                    // 异常时也要更新MessageCenter表
                    if (messageId > 0)
                    {
                        var exceptionMessage =
                            (string)("立库任务异常: " + ex.Message);
                        Db.Updateable<MessageCenter>()
                            .SetColumns(it => it.Result == 0)
                            .SetColumns(it =>
                                it.ResultData == exceptionMessage)
                            .SetColumns(it => it.DealWith == 0)
                            .Where(it => it.Id == messageId)
                            .ExecuteCommand();
                    }

                    // 继续抛出异常
                    throw;
                }
            }

            return true;
        }
        catch (Exception ex)
        {
            // 记录日志并重新抛出异常，让Controller层获取具体错误信息
            Console.WriteLine($"生成退料请求单失败: {ex.Message}");
            throw;
        }
    }

    /// <summary>
    ///     导出可退货物料库存为Excel
    /// </summary>
    /// <param name="searchDto">搜索请求参数</param>
    /// <returns>Excel文件字节数组</returns>
    public byte[] ExportReturnableStocksToExcel(
        ReturnableStockSearchDto searchDto)
    {
        // 设置 EPPlus 许可证上下文(非商业用途)
        ExcelPackage.LicenseContext = LicenseContext.NonCommercial;

        // 获取所有数据(不分页)
        var tempSearchDto = new ReturnableStockSearchDto
        {
            PageIndex = 1,
            PageSize = int.MaxValue, // 获取所有数据
            Conditions = searchDto.Conditions
        };

        // 调用查询方法获取数据
        var result = GetReturnableStocks(tempSearchDto);
        var dataList = result.TbBillList;

        // 创建 Excel 文件
        using var package = new ExcelPackage();
        var worksheet = package.Workbook.Worksheets.Add("可退货物料库存");

        // 设置表头
        var headers = new[]
        {
            "良品状态",
            "是否成品",
            "母托盘编号",
            "仓库编码",
            "仓库名称",
            "虚拟库位",
            "物料编号",
            "物料名称",
            "物料规格",
            "物料数量",
            "物料单位",
            "入库时间",
            "组织编码",
            "组织名称",
            "物料条码",
            "库存状态"
        };

        // 写入表头
        for (int i = 0; i < headers.Length; i++)
        {
            worksheet.Cells[1, i + 1].Value = headers[i];
            worksheet.Cells[1, i + 1].Style.Font.Bold = true;
            worksheet.Cells[1, i + 1].Style.Fill.PatternType =
                ExcelFillStyle.Solid;
            worksheet.Cells[1, i + 1].Style.Fill.BackgroundColor
                .SetColor(System.Drawing.Color.LightGray);
            worksheet.Cells[1, i + 1].Style.HorizontalAlignment =
                ExcelHorizontalAlignment.Center;
        }

        // 写入数据
        int row = 2;
        foreach (var item in dataList)
        {
            worksheet.Cells[row, 1].Value =
                item.IqcStatus == "1" ? "良品" : "不良品";
            worksheet.Cells[row, 2].Value = item.ItemType == "1" ? "成品" : "非成品";
            worksheet.Cells[row, 3].Value = item.StackCode;
            worksheet.Cells[row, 4].Value = item.DepotCode;
            worksheet.Cells[row, 5].Value = item.DepotName;
            worksheet.Cells[row, 6].Value = item.DepotSectionsCode;
            worksheet.Cells[row, 7].Value = item.ItemNo;
            worksheet.Cells[row, 8].Value = item.ItemName;
            worksheet.Cells[row, 9].Value = item.ItemModel;
            worksheet.Cells[row, 10].Value = item.Quantity;
            worksheet.Cells[row, 11].Value = item.ItemUnitName;
            worksheet.Cells[row, 12].Value =
                item.IndepDate?.ToString("yyyy-MM-dd HH:mm:ss");
            worksheet.Cells[row, 13].Value = item.OrgCode;
            worksheet.Cells[row, 14].Value = item.OrgName;
            worksheet.Cells[row, 15].Value = item.ItemBarcode;
            worksheet.Cells[row, 16].Value = item.StockStatus;
            row++;
        }

        // 自动调整列宽
        worksheet.Cells[worksheet.Dimension.Address].AutoFitColumns();

        // 返回 Excel 文件字节数组
        return package.GetAsByteArray();
    }
}