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package cn.iocoder.yudao.module.mes.service.wm.itemreceipt;
 
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.ObjUtil;
import cn.hutool.core.util.StrUtil;
import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.framework.common.util.object.ObjectUtils;
import cn.iocoder.yudao.module.mes.controller.admin.wm.itemreceipt.vo.MesWmItemReceiptPageReqVO;
import cn.iocoder.yudao.module.mes.controller.admin.wm.itemreceipt.vo.MesWmItemReceiptImportExcelVO;
import cn.iocoder.yudao.module.mes.controller.admin.wm.itemreceipt.vo.MesWmItemReceiptSaveReqVO;
import cn.iocoder.yudao.module.mes.controller.admin.wm.itemreceipt.vo.line.MesWmItemReceiptLineSaveReqVO;
import cn.iocoder.yudao.module.mes.controller.admin.wm.vo.MesWmDocImportRespVO;
import cn.iocoder.yudao.module.mes.dal.dataobject.md.item.MesMdItemDO;
import cn.iocoder.yudao.module.mes.service.md.item.MesMdItemService;
import cn.iocoder.yudao.module.srm.api.supplier.dto.SrmSupplierRespDTO;
import cn.iocoder.yudao.module.mes.dal.dataobject.wm.arrivalnotice.MesWmArrivalNoticeDO;
import cn.iocoder.yudao.module.mes.dal.dataobject.wm.itemreceipt.MesWmItemReceiptDO;
import cn.iocoder.yudao.module.mes.dal.dataobject.wm.itemreceipt.MesWmItemReceiptDetailDO;
import cn.iocoder.yudao.module.mes.dal.dataobject.wm.itemreceipt.MesWmItemReceiptLineDO;
import cn.iocoder.yudao.module.mes.dal.mysql.wm.itemreceipt.MesWmItemReceiptMapper;
import cn.iocoder.yudao.module.mes.enums.MesBizTypeConstants;
import cn.iocoder.yudao.module.mes.enums.wm.MesWmItemReceiptStatusEnum;
import cn.iocoder.yudao.module.mes.enums.wm.MesWmTransactionTypeEnum;
import cn.iocoder.yudao.module.bpm.enums.task.BpmTaskStatusEnum;
import cn.iocoder.yudao.module.mes.service.qc.iqc.MesQcIqcService;
import cn.iocoder.yudao.module.mes.service.wm.arrivalnotice.MesWmArrivalNoticeService;
import cn.iocoder.yudao.module.mes.service.wm.arrivalnotice.MesWmArrivalNoticeLineService;
import cn.iocoder.yudao.module.mes.dal.dataobject.wm.arrivalnotice.MesWmArrivalNoticeLineDO;
import cn.iocoder.yudao.module.mes.service.wm.transaction.MesWmTransactionService;
import cn.iocoder.yudao.module.mes.service.wm.transaction.dto.MesWmTransactionSaveReqDTO;
import cn.iocoder.yudao.module.bpm.api.task.BpmProcessInstanceApi;
import cn.iocoder.yudao.module.bpm.api.task.dto.BpmProcessInstanceCreateReqDTO;
import cn.iocoder.yudao.module.erp.api.purchase.ErpPurchaseOrderApi;
import cn.iocoder.yudao.module.srm.api.supplier.SrmSupplierApi;
import cn.iocoder.yudao.module.mdm.api.item.MdmItemApi;
import cn.iocoder.yudao.module.mdm.api.item.dto.MdmItemRespDTO;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import jakarta.annotation.Resource;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.transaction.support.TransactionTemplate;
import org.springframework.validation.annotation.Validated;
import lombok.extern.slf4j.Slf4j;
 
import java.math.BigDecimal;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
 
import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
import static cn.iocoder.yudao.module.mes.enums.ErrorCodeConstants.*;
 
/**
 * MES 采购入库单 Service 实现类
 */
@Service
@Validated
@Slf4j
public class MesWmItemReceiptServiceImpl implements MesWmItemReceiptService {
 
    @Resource
    private MesWmItemReceiptMapper itemReceiptMapper;
 
    @Resource
    private MesWmItemReceiptLineService itemReceiptLineService;
    @Resource
    private PlatformTransactionManager transactionManager;
    @Resource
    private MesWmItemReceiptDetailService itemReceiptDetailService;
    @Resource
    @Lazy
    private MesWmArrivalNoticeService arrivalNoticeService;
    @Resource
    @Lazy
    private SrmSupplierApi srmSupplierApi;
    @Resource
    @Lazy
    private MesQcIqcService iqcService;
    @Resource
    private MesWmTransactionService wmTransactionService;
 
    @Resource
    private MesWmArrivalNoticeLineService arrivalNoticeLineService;
 
    @Resource
    @Lazy
    private MesMdItemService mdItemService;
 
    @Resource
    private BpmProcessInstanceApi processInstanceApi;
 
    @Resource
    private ErpPurchaseOrderApi purchaseOrderApi;
 
    @Resource
    private MdmItemApi mdmItemApi;
 
    @Override
    public Long createItemReceipt(MesWmItemReceiptSaveReqVO createReqVO) {
        // 校验数据
        validateItemReceiptSaveData(createReqVO);
 
        // 插入
        MesWmItemReceiptDO receipt = BeanUtils.toBean(createReqVO, MesWmItemReceiptDO.class);
        receipt.setStatus(MesWmItemReceiptStatusEnum.PREPARE.getStatus());
        itemReceiptMapper.insert(receipt);
        return receipt.getId();
    }
 
    @Override
    public void updateItemReceipt(MesWmItemReceiptSaveReqVO updateReqVO) {
        // 校验存在 + 草稿状态
        validateItemReceiptExistsAndDraft(updateReqVO.getId());
        // 校验数据
        validateItemReceiptSaveData(updateReqVO);
 
        // 更新
        MesWmItemReceiptDO updateObj = BeanUtils.toBean(updateReqVO, MesWmItemReceiptDO.class);
        itemReceiptMapper.updateById(updateObj);
    }
 
    private void validateItemReceiptSaveData(MesWmItemReceiptSaveReqVO reqVO) {
        // 校验编码唯一
        validateCodeUnique(reqVO.getId(), reqVO.getCode());
        // 校验供应商存在(采购入库使用 ERP 供应商)
        srmSupplierApi.getSupplier(reqVO.getVendorId());
        // 校验到货通知单存在
        if (reqVO.getNoticeId() != null) {
            MesWmArrivalNoticeDO notice = arrivalNoticeService.validateArrivalNoticeReadyForReceipt(reqVO.getNoticeId());
            if (ObjUtil.notEqual(notice.getVendorId(), reqVO.getVendorId())) {
                throw exception(WM_ARRIVAL_NOTICE_VENDOR_MISMATCH);
            }
        }
        // 校验来料检验单存在
        if (reqVO.getIqcId() != null) {
            iqcService.validateIqcExists(reqVO.getIqcId());
        }
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void deleteItemReceipt(Long id) {
        // 校验存在 + 草稿状态
        validateItemReceiptExistsAndDraft(id);
 
        // 级联删除明细和行
        itemReceiptDetailService.deleteItemReceiptDetailByReceiptId(id);
        itemReceiptLineService.deleteItemReceiptLineByReceiptId(id);
        // 删除
        itemReceiptMapper.deleteById(id);
    }
 
    @Override
    public MesWmItemReceiptDO getItemReceipt(Long id) {
        return itemReceiptMapper.selectById(id);
    }
 
    @Override
    public PageResult<MesWmItemReceiptDO> getItemReceiptPage(MesWmItemReceiptPageReqVO pageReqVO) {
        return itemReceiptMapper.selectPage(pageReqVO);
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void submitItemReceipt(Long id) {
        // 校验存在 + 草稿状态
        validateItemReceiptExistsAndDraft(id);
        // 校验至少有一条行
        List<MesWmItemReceiptLineDO> lines = itemReceiptLineService.getItemReceiptLineListByReceiptId(id);
        if (CollUtil.isEmpty(lines)) {
            throw exception(WM_ITEM_RECEIPT_NO_LINE);
        }
 
        // 校验物料批次管理:如果物料开启批次管理,则明细的批次号不能为空
        validateBatchManagement(lines);
 
        // 提交(草稿 → 待上架)
        itemReceiptMapper.updateById(new MesWmItemReceiptDO()
                .setId(id).setStatus(MesWmItemReceiptStatusEnum.APPROVING.getStatus()));
    }
 
    /**
     * 校验物料批次管理:如果物料开启批次管理,则行的批次号不能为空
     */
    private void validateBatchManagement(List<MesWmItemReceiptLineDO> lines) {
        // 获取所有物料ID
        List<Long> itemIds = CollectionUtils.convertList(lines, MesWmItemReceiptLineDO::getItemId);
        Map<Long, MdmItemRespDTO> itemMap = mdmItemApi.getItemMap(itemIds);
 
        // 遍历每一行,检查物料是否开启批次管理
        for (MesWmItemReceiptLineDO line : lines) {
            MdmItemRespDTO item = itemMap.get(line.getItemId());
            if (item == null) {
                continue;
            }
            // 如果物料开启批次管理,检查行上的批次号是否为空
            if (Boolean.TRUE.equals(item.getIsBatchManaged()) && line.getBatchId() == null) {
                throw exception(WM_ITEM_RECEIPT_BATCH_REQUIRED, item.getCode(), item.getName());
            }
        }
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void stockItemReceipt(Long id) {
        // 校验存在
        MesWmItemReceiptDO receipt = validateItemReceiptExists(id);
        if (ObjUtil.notEqual(MesWmItemReceiptStatusEnum.APPROVING.getStatus(), receipt.getStatus())) {
            throw exception(WM_ITEM_RECEIPT_STATUS_ERROR);
        }
        // 校验每行明细数量之和是否等于行入库数量
        List<MesWmItemReceiptLineDO> lines = itemReceiptLineService.getItemReceiptLineListByReceiptId(id);
        if (CollUtil.isEmpty(lines)) {
            throw exception(WM_ITEM_RECEIPT_NO_LINE);
        }
        for (MesWmItemReceiptLineDO line : lines) {
            List<MesWmItemReceiptDetailDO> details = itemReceiptDetailService.getItemReceiptDetailListByLineId(line.getId());
            BigDecimal totalDetailQty = CollectionUtils.getSumValue(details,
                    MesWmItemReceiptDetailDO::getQuantity, BigDecimal::add, BigDecimal.ZERO);
            if (line.getReceivedQuantity() == null || totalDetailQty.compareTo(line.getReceivedQuantity()) != 0) {
                throw exception(WM_ITEM_RECEIPT_DETAIL_QUANTITY_MISMATCH);
            }
        }
 
        // 执行上架(待上架 → 待入库)
        itemReceiptMapper.updateById(new MesWmItemReceiptDO()
                .setId(id).setStatus(MesWmItemReceiptStatusEnum.APPROVED.getStatus()));
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void finishItemReceipt(Long id) {
        // 1. 校验存在
        MesWmItemReceiptDO receipt = validateItemReceiptExists(id);
        if (ObjUtil.notEqual(MesWmItemReceiptStatusEnum.APPROVED.getStatus(), receipt.getStatus())) {
            throw exception(WM_ITEM_RECEIPT_STATUS_ERROR);
        }
 
        // 2. 遍历所有明细,创建库存事务(增加库存 + 记录流水)
        createTransactionList(receipt);
 
        // 3. 更新入库单状态
        itemReceiptMapper.updateById(new MesWmItemReceiptDO()
                .setId(id).setStatus(MesWmItemReceiptStatusEnum.FINISHED.getStatus()));
 
        // 4. 更新关联的到货通知单状态
        if (receipt.getNoticeId() != null) {
            arrivalNoticeService.finishArrivalNotice(receipt.getNoticeId());
        }
 
        // 5. 回写 ERP 采购订单的入库数量
        updateErpPurchaseOrderInCount(receipt);
    }
 
    /**
     * 回写 ERP 采购订单的入库数量
     */
    private void updateErpPurchaseOrderInCount(MesWmItemReceiptDO receipt) {
        // 1. 确定采购订单 ID:优先从入库单头取(从到货通知单带入),其次从行反查
        Long purchaseOrderId = receipt.getPurchaseOrderId();
        if (purchaseOrderId == null && receipt.getNoticeId() != null) {
            // 从关联的到货通知单获取采购订单 ID
            MesWmArrivalNoticeDO notice = arrivalNoticeService.getArrivalNotice(receipt.getNoticeId());
            if (notice != null) {
                purchaseOrderId = notice.getPurchaseOrderId();
            }
        }
 
        // 2. 获取入库单行,按 purchaseOrderItemId 更新入库数量
        List<MesWmItemReceiptLineDO> lines = itemReceiptLineService.getItemReceiptLineListByReceiptId(receipt.getId());
        if (CollUtil.isNotEmpty(lines)) {
            for (MesWmItemReceiptLineDO line : lines) {
                if (line.getPurchaseOrderItemId() != null && line.getReceivedQuantity() != null) {
                    purchaseOrderApi.updateOrderItemInCount(line.getPurchaseOrderItemId(), line.getReceivedQuantity());
                    // 如果还没拿到 purchaseOrderId,从明细项反查
                    if (purchaseOrderId == null) {
                        cn.iocoder.yudao.module.erp.api.purchase.dto.ErpPurchaseOrderItemRespDTO itemDTO =
                                purchaseOrderApi.getPurchaseOrderItem(line.getPurchaseOrderItemId()).getCheckedData();
                        if (itemDTO != null && itemDTO.getOrderId() != null) {
                            purchaseOrderId = itemDTO.getOrderId();
                        }
                    }
                }
            }
        } else if (receipt.getNoticeId() != null) {
            // 兜底:入库行为空时,从到货通知单行回写入库数量
            List<MesWmArrivalNoticeLineDO> noticeLines = arrivalNoticeLineService
                    .getArrivalNoticeLineListByNoticeId(receipt.getNoticeId());
            for (MesWmArrivalNoticeLineDO noticeLine : noticeLines) {
                if (noticeLine.getPurchaseOrderItemId() != null) {
                    // 使用合格数量(有 IQC 时为合格数量,否则为到货数量)
                    BigDecimal qty = noticeLine.getQualifiedQuantity() != null
                            ? noticeLine.getQualifiedQuantity() : noticeLine.getArrivalQuantity();
                    if (qty != null && qty.compareTo(BigDecimal.ZERO) > 0) {
                        purchaseOrderApi.updateOrderItemInCount(noticeLine.getPurchaseOrderItemId(), qty);
                    }
                }
            }
        }
 
        // 3. 更新采购订单的入库状态
        if (purchaseOrderId != null) {
            purchaseOrderApi.updateOrderInStatus(purchaseOrderId);
        }
    }
 
    private void createTransactionList(MesWmItemReceiptDO receipt) {
        List<MesWmItemReceiptDetailDO> details = itemReceiptDetailService.getItemReceiptDetailListByReceiptId(receipt.getId());
        // 获取所有行信息,用于获取批次号
        List<MesWmItemReceiptLineDO> lines = itemReceiptLineService.getItemReceiptLineListByReceiptId(receipt.getId());
        Map<Long, MesWmItemReceiptLineDO> lineMap = CollectionUtils.convertMap(lines, MesWmItemReceiptLineDO::getId);
 
        wmTransactionService.createTransactionList(convertList(details, detail -> {
            // 从行上获取批次信息(如果明细没有批次号)
            MesWmItemReceiptLineDO line = lineMap.get(detail.getLineId());
            Long batchId = detail.getBatchId() != null ? detail.getBatchId() :
                    (line != null ? line.getBatchId() : null);
            String batchCode = line != null ? line.getBatchCode() : null;
 
            return new MesWmTransactionSaveReqDTO()
                    .setType(MesWmTransactionTypeEnum.IN.getType()).setItemId(detail.getItemId())
                    .setQuantity(detail.getQuantity())
                    .setBatchId(batchId).setBatchCode(batchCode)
                    .setWarehouseId(detail.getWarehouseId()).setLocationId(detail.getLocationId()).setAreaId(detail.getAreaId())
                    .setVendorId(receipt.getVendorId()).setReceiptTime(receipt.getReceiptDate())
                    .setBizType(MesBizTypeConstants.WM_ITEM_RECEIPT_IN).setBizId(receipt.getId())
                    .setBizCode(receipt.getCode()).setBizLineId(detail.getLineId());
        }));
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void cancelItemReceipt(Long id) {
        // 校验存在
        MesWmItemReceiptDO receipt = validateItemReceiptExists(id);
        // 已完成和已取消不允许取消
        if (ObjectUtils.equalsAny(receipt.getStatus(),
                MesWmItemReceiptStatusEnum.FINISHED.getStatus(),
                MesWmItemReceiptStatusEnum.CANCELED.getStatus())) {
            throw exception(WM_ITEM_RECEIPT_CANCEL_NOT_ALLOWED);
        }
        // 取消
        itemReceiptMapper.updateById(new MesWmItemReceiptDO()
                .setId(id).setStatus(MesWmItemReceiptStatusEnum.CANCELED.getStatus()));
    }
 
    @Override
    public MesWmItemReceiptDO validateItemReceiptEditable(Long id) {
        MesWmItemReceiptDO receipt = validateItemReceiptExists(id);
        if (ObjUtil.notEqual(receipt.getStatus(), MesWmItemReceiptStatusEnum.PREPARE.getStatus())
                && ObjUtil.notEqual(receipt.getStatus(), MesWmItemReceiptStatusEnum.APPROVING.getStatus())) {
            throw exception(WM_ITEM_RECEIPT_STATUS_NOT_PREPARE);
        }
        return receipt;
    }
 
    private MesWmItemReceiptDO validateItemReceiptExists(Long id) {
        MesWmItemReceiptDO receipt = itemReceiptMapper.selectById(id);
        if (receipt == null) {
            throw exception(WM_ITEM_RECEIPT_NOT_EXISTS);
        }
        return receipt;
    }
 
    /**
     * 校验采购入库单存在且为草稿状态
     */
    private MesWmItemReceiptDO validateItemReceiptExistsAndDraft(Long id) {
        MesWmItemReceiptDO receipt = validateItemReceiptExists(id);
        if (ObjUtil.notEqual(MesWmItemReceiptStatusEnum.PREPARE.getStatus(), receipt.getStatus())) {
            throw exception(WM_ITEM_RECEIPT_STATUS_NOT_PREPARE);
        }
        return receipt;
    }
 
    private void validateCodeUnique(Long id, String code) {
        MesWmItemReceiptDO receipt = itemReceiptMapper.selectByCode(code);
        if (receipt == null) {
            return;
        }
        if (ObjUtil.notEqual(id, receipt.getId())) {
            throw exception(WM_ITEM_RECEIPT_CODE_DUPLICATE);
        }
    }
 
    @Override
    public Long getItemReceiptCountByVendorId(Long vendorId) {
        return itemReceiptMapper.selectCountByVendorId(vendorId);
    }
 
    @Override
    public List<MesWmItemReceiptDO> getItemReceiptListByVendorId(Long vendorId) {
        return itemReceiptMapper.selectListByVendorId(vendorId);
    }
 
    @Override
    public List<MesWmItemReceiptDO> getItemReceiptList(Collection<Long> ids) {
        return itemReceiptMapper.selectByIds(ids);
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public Long generateItemReceiptFromArrivalNotice(Long arrivalNoticeId) {
        // 1. 校验到货通知单存在且状态为待入库
        MesWmArrivalNoticeDO notice = arrivalNoticeService.validateArrivalNoticeReadyForReceipt(arrivalNoticeId);
 
        // 2. 校验是否已生成过入库单(防止重复生成)
        MesWmItemReceiptDO existReceipt = itemReceiptMapper.selectByNoticeId(arrivalNoticeId);
        if (existReceipt != null) {
            throw exception(WM_ITEM_RECEIPT_ALREADY_EXISTS);
        }
 
        // 3. 获取到货通知单行
        List<MesWmArrivalNoticeLineDO> lines = arrivalNoticeLineService.getArrivalNoticeLineListByNoticeId(arrivalNoticeId);
        if (CollUtil.isEmpty(lines)) {
            throw exception(WM_ARRIVAL_NOTICE_NO_LINE);
        }
 
        // 4. 生成入库单编码
        String code = generateItemReceiptCode();
 
        // 5. 创建入库单主表
        MesWmItemReceiptDO receipt = new MesWmItemReceiptDO();
        receipt.setCode(code);
        receipt.setName(notice.getName() + "入库单");
        receipt.setNoticeId(arrivalNoticeId);
        receipt.setPurchaseOrderId(notice.getPurchaseOrderId());
        receipt.setPurchaseOrderCode(notice.getPurchaseOrderCode());
        receipt.setVendorId(notice.getVendorId());
        receipt.setReceiptDate(java.time.LocalDateTime.now()); // 入库时间为当前时间
        receipt.setStatus(MesWmItemReceiptStatusEnum.PREPARE.getStatus());
        itemReceiptMapper.insert(receipt);
 
        // 6. 遍历行创建入库单行
        for (MesWmArrivalNoticeLineDO noticeLine : lines) {
            MesWmItemReceiptLineDO receiptLine = new MesWmItemReceiptLineDO();
            receiptLine.setReceiptId(receipt.getId());
            receiptLine.setArrivalNoticeLineId(noticeLine.getId());
            receiptLine.setPurchaseOrderItemId(noticeLine.getPurchaseOrderItemId());
            receiptLine.setItemId(noticeLine.getItemId());
            // 使用合格数量(如果有 IQC 则是合格数量,否则是到货数量)
            receiptLine.setReceivedQuantity(noticeLine.getQualifiedQuantity() != null ? noticeLine.getQualifiedQuantity() : noticeLine.getArrivalQuantity());
            itemReceiptLineService.createItemReceiptLineFromArrivalNoticeLine(receiptLine);
        }
 
        return receipt.getId();
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void submitItemReceiptApproval(Long id, String processDefinitionKey) {
        // 1. 校验存在 + 草稿状态
        validateItemReceiptExistsAndDraft(id);
 
        // 2. 创建 BPM 流程实例
        Long userId = getCurrentUserId();
        // 全局免审批:业务校验通过后直接执行审批通过逻辑,无需流程模型。
        if (processInstanceApi.isGlobalAutoApprove()) {
            itemReceiptMapper.updateById(new MesWmItemReceiptDO()
                    .setId(id)
                    .setStatus(MesWmItemReceiptStatusEnum.APPROVING.getStatus())
                    .setProcessInstanceId(""));
            updateItemReceiptAuditStatus(id, cn.iocoder.yudao.module.bpm.enums.task.BpmProcessInstanceStatusEnum.APPROVE.getStatus());
            return;
        }
 
        String processInstanceId = processInstanceApi.createProcessInstance(userId,
                new BpmProcessInstanceCreateReqDTO()
                        .setProcessDefinitionKey(processDefinitionKey)
                        .setBusinessKey(String.valueOf(id)));
 
        // 3. 更新入库单状态为审批中
        itemReceiptMapper.updateById(new MesWmItemReceiptDO()
                .setId(id)
                .setStatus(MesWmItemReceiptStatusEnum.APPROVING.getStatus())
                .setProcessInstanceId(processInstanceId));
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void updateItemReceiptAuditStatus(Long id, Integer bpmResult) {
        // 1. 校验存在
        MesWmItemReceiptDO receipt = validateItemReceiptExists(id);
        if (!MesWmItemReceiptStatusEnum.APPROVING.getStatus().equals(receipt.getStatus())) {
            log.warn("[updateItemReceiptAuditStatus] 入库单({}) 不处于审批中状态", id);
            return;
        }
 
        // 2. 根据审批结果更新状态
        Integer newStatus = convertBpmResultToReceiptStatus(bpmResult);
        if (newStatus != null) {
            itemReceiptMapper.updateById(new MesWmItemReceiptDO()
                    .setId(id).setStatus(newStatus));
        }
    }
 
    /**
     * 转换 BPM 审批结果为入库单状态
     */
    private Integer convertBpmResultToReceiptStatus(Integer bpmResult) {
        if (BpmTaskStatusEnum.APPROVE.getStatus().equals(bpmResult)) {
            return MesWmItemReceiptStatusEnum.APPROVED.getStatus();
        } else if (BpmTaskStatusEnum.REJECT.getStatus().equals(bpmResult)) {
            return MesWmItemReceiptStatusEnum.PREPARE.getStatus();
        } else if (BpmTaskStatusEnum.CANCEL.getStatus().equals(bpmResult)) {
            return MesWmItemReceiptStatusEnum.CANCELED.getStatus();
        }
        return null;
    }
 
    /**
     * 获取当前用户 ID
     */
    private Long getCurrentUserId() {
        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
        if (authentication != null && authentication.getPrincipal() instanceof Long) {
            return (Long) authentication.getPrincipal();
        }
        return 1L; // 默认用户
    }
 
    /**
     * 生成入库单编码
     */
    private String generateItemReceiptCode() {
        // TODO: 使用编码规则服务生成编码
        return "IR" + System.currentTimeMillis();
    }
 
    // ==================== 批量导入 ====================
 
    @Override
    public MesWmDocImportRespVO importItemReceiptList(List<MesWmItemReceiptImportExcelVO> importList) {
        MesWmDocImportRespVO respVO = MesWmDocImportRespVO.empty();
        if (CollUtil.isEmpty(importList)) {
            return respVO;
        }
        // 1. 按「入库单编码」归并成单据 + 明细行
        Map<String, List<MesWmItemReceiptImportExcelVO>> grouped = new LinkedHashMap<>();
        int index = 0;
        for (MesWmItemReceiptImportExcelVO row : importList) {
            index++;
            String code = StrUtil.trim(row.getReceiptCode());
            if (StrUtil.isBlank(code)) {
                respVO.getFailureCodes().put("第 " + index + " 行", "入库单编码不能为空");
                continue;
            }
            grouped.computeIfAbsent(code, k -> new ArrayList<>()).add(row);
        }
 
        // 2. 预加载供应商,按名称建索引
        // 注意:getSupplierSimpleList() 只返回特定状态的供应商,可能缺少历史/停用供应商,
        // 因此这里以「供应商名称」逐行兜底查询(见 resolveVendorId)。
        Map<String, Long> vendorMap = new HashMap<>();
        try {
            List<SrmSupplierRespDTO> suppliers = srmSupplierApi.getSupplierSimpleList().getCheckedData();
            if (CollUtil.isNotEmpty(suppliers)) {
                suppliers.forEach(s -> {
                    if (StrUtil.isNotBlank(s.getName())) {
                        vendorMap.put(s.getName().trim(), s.getId());
                    }
                });
            }
        } catch (Exception e) {
            log.warn("[importItemReceiptList][加载供应商简洁列表失败,将逐行查询]", e);
        }
 
        // 3. 逐张单据处理
        for (Map.Entry<String, List<MesWmItemReceiptImportExcelVO>> entry : grouped.entrySet()) {
            String code = entry.getKey();
            List<MesWmItemReceiptImportExcelVO> rows = entry.getValue();
            MesWmItemReceiptImportExcelVO head = rows.get(0);
            try {
                // 3.1 校验供应商
                String vendorName = StrUtil.trim(head.getVendorName());
                Long vendorId = vendorName == null ? null : vendorMap.get(vendorName);
                if (vendorId == null && vendorName != null) {
                    // 兜底:简洁列表可能未覆盖该供应商,按名称查询
                    SrmSupplierRespDTO supplier = findSupplierByName(vendorName);
                    if (supplier != null) {
                        vendorId = supplier.getId();
                        vendorMap.put(vendorName, vendorId);
                    }
                }
                if (vendorId == null) {
                    respVO.getFailureCodes().put(code, "供应商[" + vendorName + "]不存在");
                    continue;
                }
                // 3.2 校验日期与编码
                LocalDateTime receiptDate = parseImportDateTime(head.getReceiptDate());
                if (receiptDate == null) {
                    respVO.getFailureCodes().put(code, "入库日期不能为空或格式不正确(支持 yyyy-MM-dd / yyyy-MM-dd HH:mm:ss)");
                    continue;
                }
                if (itemReceiptMapper.selectByCode(code) != null) {
                    respVO.getFailureCodes().put(code, "入库单编码已存在");
                    continue;
                }
                // 3.3 创建单据头
                MesWmItemReceiptSaveReqVO saveReqVO = new MesWmItemReceiptSaveReqVO();
                saveReqVO.setCode(code);
                saveReqVO.setName(StrUtil.blankToDefault(StrUtil.trim(head.getReceiptName()), code));
                saveReqVO.setVendorId(vendorId);
                saveReqVO.setReceiptDate(receiptDate);
                saveReqVO.setPurchaseOrderCode(StrUtil.trim(head.getPurchaseOrderCode()));
                saveReqVO.setRemark(StrUtil.trim(head.getRemark()));
                Long receiptId = createItemReceipt(saveReqVO);
                // 3.4 逐行创建明细
                int createdLines = 0;
                for (MesWmItemReceiptImportExcelVO row : rows) {
                    if (createItemReceiptLineByImport(receiptId, row, respVO, code)) {
                        createdLines++;
                    }
                }
                if (createdLines == 0) {
                    // 没有任何有效明细时不保留空单,也不报告导入成功。
                    itemReceiptMapper.deleteById(receiptId);
                } else {
                    respVO.getCreateCodes().add(code);
                }
            } catch (Exception e) {
                respVO.getFailureCodes().put(code, e.getMessage() == null ? "导入失败" : e.getMessage());
            }
        }
        return respVO;
    }
 
    /**
     * 导入时创建单行明细;失败只记录不抛出,避免影响整张单据的其它行
     */
    private boolean createItemReceiptLineByImport(Long receiptId, MesWmItemReceiptImportExcelVO row,
                                               MesWmDocImportRespVO respVO, String receiptCode) {
        String itemCode = StrUtil.trim(row.getItemCode());
        MesMdItemDO item = itemCode == null ? null : mdItemService.getItemByCode(itemCode);
        if (item == null) {
            respVO.getFailureCodes().put(receiptCode, "物料编码[" + itemCode + "]不存在,该行已跳过");
            return false;
        }
        if (row.getReceivedQuantity() == null || row.getReceivedQuantity().signum() <= 0) {
            respVO.getFailureCodes().put(receiptCode, "物料[" + itemCode + "]入库数量必须大于 0,该行已跳过");
            return false;
        }
        try {
            MesWmItemReceiptLineSaveReqVO lineReqVO = new MesWmItemReceiptLineSaveReqVO();
            lineReqVO.setReceiptId(receiptId);
            lineReqVO.setItemId(item.getId());
            lineReqVO.setReceivedQuantity(row.getReceivedQuantity());
            lineReqVO.setProductionDate(parseImportDateTime(row.getProductionDate()));
            lineReqVO.setExpireDate(parseImportDateTime(row.getExpireDate()));
            lineReqVO.setLotNumber(StrUtil.trim(row.getLotNumber()));
            lineReqVO.setRemark(StrUtil.trim(row.getRemark()));
            // 每行独立事务:批次校验失败时只回滚该行,避免污染整次导入事务。
            new TransactionTemplate(transactionManager).executeWithoutResult(
                    status -> itemReceiptLineService.createItemReceiptLine(lineReqVO));
            return true;
        } catch (Exception e) {
            respVO.getFailureCodes().put(receiptCode, "物料[" + itemCode + "]明细创建失败:" + e.getMessage());
            return false;
        }
    }
 
    /**
     * 按名称查找供应商(兜底)
     *
     * getSupplierSimpleList() 只返回已通过准入审批的供应商,
     * 历史导入或未走准入流程的供应商不在其中,因此退化为全量匹配。
     */
    private SrmSupplierRespDTO findSupplierByName(String name) {
        try {
            var simple = srmSupplierApi.getSupplierSimpleList();
            if (simple != null && CollUtil.isNotEmpty(simple.getCheckedData())) {
                SrmSupplierRespDTO hit = simple.getCheckedData().stream()
                        .filter(s -> name.equals(StrUtil.trim(s.getName())))
                        .findFirst().orElse(null);
                if (hit != null) {
                    return hit;
                }
            }
        } catch (Exception e) {
            log.warn("[findSupplierByName][简洁列表查询失败,改用全量]", e);
        }
        try {
            var all = srmSupplierApi.getSupplierAllList();
            if (all != null && CollUtil.isNotEmpty(all.getCheckedData())) {
                return all.getCheckedData().stream()
                        .filter(s -> name.equals(StrUtil.trim(s.getName())))
                        .findFirst().orElse(null);
            }
        } catch (Exception e) {
            log.warn("[findSupplierByName][全量列表查询失败]", e);
        }
        return null;
    }
 
    /**
     * 解析导入日期,支持 yyyy-MM-dd 与 yyyy-MM-dd HH:mm:ss,失败返回 null
     */
    private LocalDateTime parseImportDateTime(String text) {
        if (StrUtil.isBlank(text)) {
            return null;
        }
        String value = text.trim().replace('/', '-');
        try {
            if (value.length() <= 10) {
                return LocalDate.parse(value).atStartOfDay();
            }
            return LocalDateTime.parse(value.replace(' ', 'T'));
        } catch (Exception e) {
            return null;
        }
    }
 
}