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package com.ruoyi.stock.service.impl;
 
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.approve.service.impl.ApproveProcessServiceImpl;
import com.ruoyi.approve.vo.ApproveProcessVO;
import com.ruoyi.common.enums.StockInQualifiedRecordTypeEnum;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.poi.ExcelUtil;
import com.ruoyi.framework.security.LoginUser;
import com.ruoyi.framework.web.domain.R;
import com.ruoyi.sales.mapper.SalesLedgerProductMapper;
import com.ruoyi.sales.pojo.SalesLedgerProduct;
import com.ruoyi.stock.dto.StockInRecordDto;
import com.ruoyi.stock.dto.StockInventoryDto;
import com.ruoyi.stock.dto.StockOutRecordDto;
import com.ruoyi.stock.execl.StockInventoryExportData;
import com.ruoyi.stock.mapper.StockInventoryMapper;
import com.ruoyi.stock.pojo.StockInRecord;
import com.ruoyi.stock.pojo.StockInventory;
import com.ruoyi.stock.service.StockInRecordService;
import com.ruoyi.stock.service.StockInventoryService;
import com.ruoyi.stock.service.StockOutRecordService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;
 
import javax.servlet.http.HttpServletResponse;
import java.math.BigDecimal;
import java.time.LocalDate;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
 
/**
 * <p>
 * 库存表 服务实现类
 * </p>
 *
 * @author 芯导软件(江苏)有限公司
 * @since 2026-01-21 04:16:36
 */
@Service
public class StockInventoryServiceImpl extends ServiceImpl<StockInventoryMapper, StockInventory> implements StockInventoryService {
 
    @Autowired
    private StockInventoryMapper stockInventoryMapper;
    @Autowired
    private StockInRecordService stockInRecordService;
    @Autowired
    private StockOutRecordService stockOutRecordService;
    @Autowired
    private SalesLedgerProductMapper salesLedgerProductMapper;
    @Autowired
    private ApproveProcessServiceImpl approveProcessService;
 
    @Override
    public IPage<StockInventoryDto> pagestockInventory(Page page, StockInventoryDto stockInventoryDto) {
        return stockInventoryMapper.pagestockInventory(page, stockInventoryDto);
    }
 
    //入库调用-添加入库记录
    @Override
    @Transactional(rollbackFor = Exception.class)
    public Boolean addstockInventory(StockInventoryDto stockInventoryDto) {
        //新增入库记录再添加库存
        StockInRecordDto stockInRecordDto = new StockInRecordDto();
        stockInRecordDto.setRecordId(stockInventoryDto.getRecordId());
        stockInRecordDto.setRecordType(stockInventoryDto.getRecordType());
        stockInRecordDto.setStockInNum(stockInventoryDto.getQualitity());
        stockInRecordDto.setProductModelId(stockInventoryDto.getProductModelId());
        stockInRecordDto.setRemark(stockInventoryDto.getRemark());
        stockInRecordDto.setWarnNum(stockInventoryDto.getWarnNum());
        stockInRecordDto.setLockedQuantity(stockInventoryDto.getLockedQuantity());
        stockInRecordDto.setApproveStatus(0);
        stockInRecordDto.setType("0");
        Long id = stockInRecordService.add(stockInRecordDto);
        LoginUser loginUser = SecurityUtils.getLoginUser();
        if (id != null) {
            try {
                addApproveByPurchase(loginUser, stockInRecordDto,id);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        return true;
    }
 
    public void addApproveByPurchase(LoginUser loginUser, StockInRecordDto stockInRecordDto,Long id) throws Exception {
        ApproveProcessVO approveProcessVO = new ApproveProcessVO();
        approveProcessVO.setApproveType(9);
        approveProcessVO.setApproveDeptId(loginUser.getCurrentDeptId());
        approveProcessVO.setApproveReason(stockInRecordDto.getInboundBatches());
        approveProcessVO.setApproveUserIds(String.valueOf(1));
        approveProcessVO.setApproveUser(loginUser.getUserId());
        approveProcessVO.setApproveTime(LocalDate.now().toString());
        approveProcessVO.setInventoryReview(false);
        approveProcessVO.setStorageType("合格入库");
        approveProcessVO.setRecordId(id);
        approveProcessService.addApprove(approveProcessVO);
    }
 
    /**
     * 实际入库
     *
     * @param stockInRecord
     */
    public void updateOrCreateStockInventory(StockInRecord stockInRecord) {
        // 先查询库存表中的产品是否存在
        StockInventory oldStockInventory = stockInventoryMapper.selectOne(
                new QueryWrapper<StockInventory>().lambda()
                        .eq(StockInventory::getProductModelId, stockInRecord.getProductModelId())
        );
 
        if (ObjectUtils.isEmpty(oldStockInventory)) {
            // 不存在则新增
            StockInventory newStockInventory = new StockInventory();
            newStockInventory.setProductModelId(stockInRecord.getProductModelId());
            newStockInventory.setQualitity(stockInRecord.getStockInNum());
            newStockInventory.setVersion(1);
            newStockInventory.setRemark(stockInRecord.getRemark());
            newStockInventory.setLockedQuantity(stockInRecord.getLockedQuantity());
            newStockInventory.setWarnNum(stockInRecord.getWarnNum());
            stockInventoryMapper.insert(newStockInventory);
        } else {
            // 存在则更新
            LambdaUpdateWrapper<StockInventory> updateWrapper = new LambdaUpdateWrapper<>();
            updateWrapper
                    .eq(StockInventory::getProductModelId, stockInRecord.getProductModelId())
                    .setSql(stockInRecord.getStockInNum() != null,
                            "qualitity = qualitity + " + stockInRecord.getStockInNum())
                    .setSql(true, "version = version + 1")
                    .set(stockInRecord.getRemark() != null && !stockInRecord.getRemark().isEmpty(),
                            StockInventory::getRemark, stockInRecord.getRemark())
                    .set(stockInRecord.getWarnNum() != null,
                            StockInventory::getWarnNum, stockInRecord.getWarnNum())
                    .setSql(stockInRecord.getLockedQuantity() != null,
                            "locked_quantity = locked_quantity + " + stockInRecord.getLockedQuantity())
                    .set(StockInventory::getUpdateTime, new Date());
 
            stockInventoryMapper.update(null, updateWrapper);
        }
    }
 
    //半成品直接入库
    @Override
    @Transactional(rollbackFor = Exception.class)
    public Boolean addstockInventoryNoReview(StockInventoryDto stockInventoryDto) {
        //新增入库记录再添加库存
        StockInRecordDto stockInRecordDto = new StockInRecordDto();
        stockInRecordDto.setRecordId(stockInventoryDto.getRecordId());
        stockInRecordDto.setRecordType(stockInventoryDto.getRecordType());
        stockInRecordDto.setStockInNum(stockInventoryDto.getQualitity());
        stockInRecordDto.setProductModelId(stockInventoryDto.getProductModelId());
        stockInRecordDto.setType("0");
        stockInRecordService.add(stockInRecordDto);
        //再进行新增库存数量库存
        //先查询库存表中的产品是否存在,不存在新增,存在更新
        StockInventory oldStockInventory = stockInventoryMapper.selectOne(new QueryWrapper<StockInventory>().lambda().eq(StockInventory::getProductModelId, stockInventoryDto.getProductModelId()));
        if (ObjectUtils.isEmpty(oldStockInventory)) {
            StockInventory newStockInventory = new StockInventory();
            newStockInventory.setProductModelId(stockInventoryDto.getProductModelId());
            newStockInventory.setQualitity(stockInventoryDto.getQualitity());
            newStockInventory.setVersion(1);
            newStockInventory.setRemark(stockInventoryDto.getRemark());
            newStockInventory.setLockedQuantity(stockInventoryDto.getLockedQuantity());
            newStockInventory.setWarnNum(stockInventoryDto.getWarnNum());
            stockInventoryMapper.insert(newStockInventory);
        }else {
            stockInventoryMapper.updateAddStockInventory(stockInventoryDto);
        }
        return true;
    }
 
    //出库调用
    @Override
    @Transactional(rollbackFor = Exception.class)
    public Boolean subtractStockInventory(StockInventoryDto stockInventoryDto) {
        //  新增出库记录
        StockOutRecordDto stockOutRecordDto = new StockOutRecordDto();
        stockOutRecordDto.setRecordId(stockInventoryDto.getRecordId());
        stockOutRecordDto.setRecordType(stockInventoryDto.getRecordType());
        stockOutRecordDto.setStockOutNum(stockInventoryDto.getQualitity());
        stockOutRecordDto.setProductModelId(stockInventoryDto.getProductModelId());
        stockOutRecordDto.setType("0");
        stockOutRecordService.add(stockOutRecordDto);
        StockInventory oldStockInventory = stockInventoryMapper.selectOne(new QueryWrapper<StockInventory>().lambda().eq(StockInventory::getProductModelId, stockInventoryDto.getProductModelId()));
        if (ObjectUtils.isEmpty(oldStockInventory)) {
            throw new RuntimeException("产品库存不存在");
        }
        BigDecimal lockedQty = oldStockInventory.getLockedQuantity();
        if (lockedQty == null) {
            lockedQty = BigDecimal.ZERO;
        }
        if (stockInventoryDto.getQualitity().compareTo(oldStockInventory.getQualitity().subtract(lockedQty)) > 0) {
            throw new RuntimeException("库存不足无法出库");
        }
 
        stockInventoryMapper.updateSubtractStockInventory(stockInventoryDto);
        return true;
    }
 
    @Override
    public R importStockInventory(MultipartFile file) {
        try {
            // 查询所有的产品
            List<SalesLedgerProduct> salesLedgerProducts = salesLedgerProductMapper.selectProduct();
 
            ExcelUtil<StockInventoryExportData> util = new ExcelUtil<StockInventoryExportData>(StockInventoryExportData.class);
            List<StockInventoryExportData> list = util.importExcel(file.getInputStream());
 
            // 记录未找到匹配项的数据
            List<String> unmatchedRecords = new ArrayList<>();
 
            list.forEach(dto -> {
                boolean matched = false;
                for (SalesLedgerProduct item : salesLedgerProducts) {
                    if (item.getProductCategory().equals(dto.getProductName()) &&
                            item.getSpecificationModel().equals(dto.getModel())) {
                        StockInventoryDto stockInventoryDto = new StockInventoryDto();
                        stockInventoryDto.setRecordId(0L);
                        stockInventoryDto.setRecordType(StockInQualifiedRecordTypeEnum.CUSTOMIZATION_STOCK_IN.getCode());
                        stockInventoryDto.setQualitity(dto.getQualitity());
                        stockInventoryDto.setRemark(dto.getRemark());
                        stockInventoryDto.setWarnNum(dto.getWarnNum());
                        if (ObjectUtils.isNotEmpty(dto.getLockedQuantity()) && dto.getLockedQuantity().compareTo(dto.getQualitity()) > 0) {
                            throw new RuntimeException("冻结数量不能超过本次导入的库存数量");
                        }
                        stockInventoryDto.setLockedQuantity(dto.getLockedQuantity());
                        stockInventoryDto.setProductModelId(item.getProductModelId());
                        this.addstockInventory(stockInventoryDto);
                        matched = true;
                        break; // 找到匹配项后跳出循环
                    }
                }
                if (!matched) {
                    // 记录未匹配的数据
                    String unmatchedInfo = String.format("产品名称:%s,规格型号:%s",
                            dto.getProductName(), dto.getModel());
                    unmatchedRecords.add(unmatchedInfo);
                }
            });
            // 构建返回信息
            StringBuilder message = new StringBuilder();
            if (!unmatchedRecords.isEmpty()) {
                message.append("以下产品未找到匹配项:\n");
                for (String record : unmatchedRecords) {
                    message.append(record).append("\n");
                }
                throw new RuntimeException(message.toString());
            }
        } catch (Exception e) {
            e.printStackTrace();
            return R.fail("导入失败:" + e.getMessage());
        }
        return R.ok("导入成功");
    }
 
 
    @Override
    public void exportStockInventory(HttpServletResponse response, StockInventoryDto stockInventoryDto) {
 
        List<StockInventoryExportData> list = stockInventoryMapper.listStockInventoryExportData(stockInventoryDto);
        ExcelUtil<StockInventoryExportData> util = new ExcelUtil<>(StockInventoryExportData.class);
        util.exportExcel(response, list, "库存信息");
    }
 
    @Override
    public IPage<StockInRecordDto> stockInventoryPage(StockInventoryDto stockInventoryDto, Page page) {
        return stockInventoryMapper.stockInventoryPage(stockInventoryDto, page);
    }
 
    @Override
    public IPage<StockInventoryDto> stockInAndOutRecord(StockInventoryDto stockInventoryDto, Page page) {
        return stockInventoryMapper.stockInAndOutRecord(stockInventoryDto, page);
    }
 
    @Override
    public Boolean frozenStock(StockInventoryDto stockInventoryDto) {
        StockInventory stockInventory = stockInventoryMapper.selectById(stockInventoryDto.getId());
        if (stockInventory.getQualitity().compareTo(stockInventoryDto.getLockedQuantity()) < 0) {
            throw new RuntimeException("冻结数量不能超过库存数量");
        }
        if (ObjectUtils.isEmpty(stockInventory.getLockedQuantity())) {
            stockInventory.setLockedQuantity(stockInventoryDto.getLockedQuantity());
        } else {
            stockInventory.setLockedQuantity(stockInventory.getLockedQuantity().add(stockInventoryDto.getLockedQuantity()));
        }
        return this.updateById(stockInventory);
    }
 
    @Override
    public Boolean thawStock(StockInventoryDto stockInventoryDto) {
        StockInventory stockInventory = stockInventoryMapper.selectById(stockInventoryDto.getId());
        if (stockInventory.getLockedQuantity().compareTo(stockInventoryDto.getLockedQuantity()) < 0) {
            throw new RuntimeException("解冻数量不能超过冻结数量");
        }
        stockInventory.setLockedQuantity(stockInventory.getLockedQuantity().subtract(stockInventoryDto.getLockedQuantity()));
        return this.updateById(stockInventory);
    }
}