package com.ruoyi.stock.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ruoyi.account.pojo.BorrowInfo;
import com.ruoyi.common.enums.StockQualifiedRecordTypeEnum;
import com.ruoyi.common.utils.poi.ExcelUtil;
import com.ruoyi.framework.web.domain.R;
import com.ruoyi.procurementrecord.utils.StockUtils;
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.pojo.StockInventory;
import com.ruoyi.stock.mapper.StockInventoryMapper;
import com.ruoyi.stock.service.StockInRecordService;
import com.ruoyi.stock.service.StockInventoryService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.stock.service.StockOutRecordService;
import lombok.AllArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletResponse;
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
@AllArgsConstructor
public class StockInventoryServiceImpl extends ServiceImpl<StockInventoryMapper, StockInventory> implements StockInventoryService {

    private  StockInventoryMapper stockInventoryMapper;
    private StockInRecordService stockInRecordService;
    private StockOutRecordService stockOutRecordService;
    private SalesLedgerProductMapper salesLedgerProductMapper;
    private StockUtils stockUtils;
    @Override
    public IPage<StockInventoryDto> pagestockInventory(Page page, StockInventoryDto stockInventoryDto) {
        return stockInventoryMapper.pagestockInventory(page, stockInventoryDto);
    }

    //入库调用
    @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.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());
            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");
        }else {
            stockInventoryMapper.updateSubtractStockInventory(stockInventoryDto);
        }
        return true;
    }

    @Override
    public R importStockInventory(MultipartFile file) {
        try {
            final StringBuffer[] errorMsg = {new StringBuffer()};
            //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());
            list.stream().forEach(dto -> {
                salesLedgerProducts.stream().forEach(item->{
                    if (item.getProductCategory().equals(dto.getProductName())&&item.getSpecificationModel().equals(dto.getModel())) {
                            //更新库存
                            stockUtils.addStock(item.getId(),dto.getQualitity(), StockQualifiedRecordTypeEnum.CUSTOMIZATION_STOCK_IN.getCode(),0L);
                    }else {
                        errorMsg[0] = errorMsg[0].append("产品名称："+dto.getProductName()+"规格："+dto.getModel()+"不存在").append("\n");
                    }
                });
            });
            return R.ok(errorMsg[0]);
        }catch (Exception e){
            e.printStackTrace();
        }
        return R.fail();
    }

    @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");
    }
}