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package com.ruoyi.sales.service.impl;
 
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.poi.ExcelUtil;
import com.ruoyi.sales.dto.InvoiceRegistrationDto;
import com.ruoyi.sales.dto.InvoiceRegistrationProductDto;
import com.ruoyi.sales.dto.SalesLedgerDto;
import com.ruoyi.sales.excel.InvoiceRegisAndProductExcelDto;
import com.ruoyi.sales.mapper.*;
import com.ruoyi.sales.pojo.InvoiceLedger;
import com.ruoyi.sales.pojo.InvoiceRegistration;
import com.ruoyi.sales.pojo.InvoiceRegistrationProduct;
import com.ruoyi.sales.pojo.SalesLedgerProduct;
import com.ruoyi.sales.service.InvoiceRegistrationService;
import org.apache.commons.collections4.CollectionUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.ObjectUtils;
 
import javax.servlet.http.HttpServletResponse;
import java.math.BigDecimal;
import java.util.List;
import java.util.stream.Collectors;
 
@Service
public class InvoiceRegistrationServiceImpl extends ServiceImpl<InvoiceRegistrationMapper, InvoiceRegistration> implements InvoiceRegistrationService {
 
    @Autowired
    private InvoiceRegistrationMapper invoiceRegistrationMapper;
 
    @Autowired
    private InvoiceRegistrationProductMapper invoiceRegistrationProductMapper;
 
    @Autowired
    private SalesLedgerProductMapper salesLedgerProductMapper;
 
    @Autowired
    private InvoiceLedgerMapper invoiceLedgerMapper;
 
    /**
     * 开票登记记录新增
     * @param salesLedgerDto
     * @return
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void invoiceRegistrationSave(SalesLedgerDto salesLedgerDto) {
        //  新增开票登记主表
        InvoiceRegistration invoiceRegistration = new InvoiceRegistration();
        BeanUtils.copyProperties(salesLedgerDto, invoiceRegistration);
        invoiceRegistration.setId(null);
        invoiceRegistration.setCustomerId(salesLedgerDto.getCustomerId().intValue());
        invoiceRegistration.setSalesLedgerId(salesLedgerDto.getId().intValue());
        invoiceRegistrationMapper.insert(invoiceRegistration);
 
        List<SalesLedgerProduct> productData = salesLedgerDto.getProductData();
        if (CollectionUtils.isEmpty(productData)) {
            return;
        }
 
        for (SalesLedgerProduct productDatum : productData) {
            //  本次开票数 / 金额
            BigDecimal currentInvoiceNum = productDatum.getCurrentInvoiceNum();
            BigDecimal currentInvoiceAmount = productDatum.getCurrentInvoiceAmount();
 
            if (currentInvoiceNum == null || BigDecimal.ZERO.compareTo(currentInvoiceNum) == 0) {
                continue;
            }
 
            LambdaQueryWrapper<SalesLedgerProduct> salesLedgerProductLambdaQueryWrapper = new LambdaQueryWrapper<SalesLedgerProduct>()
                    .eq(SalesLedgerProduct::getId, productDatum.getId())
                    .eq(SalesLedgerProduct::getSalesLedgerId, productDatum.getSalesLedgerId());
            SalesLedgerProduct dbProduct = salesLedgerProductMapper.selectOne(salesLedgerProductLambdaQueryWrapper);
 
            if (dbProduct == null) {
                throw new RuntimeException("销售台账产品不存在,ID:" + productDatum.getId());
            }
 
            //  计算累计开票
            BigDecimal newInvoiceNum = dbProduct.getInvoiceNum().add(currentInvoiceNum);
 
            BigDecimal newInvoiceAmount = dbProduct.getInvoiceAmount().add(currentInvoiceAmount);
 
            //  计算未开票
            BigDecimal newNoInvoiceNum = dbProduct.getQuantity().subtract(newInvoiceNum);
 
            BigDecimal newNoInvoiceAmount = dbProduct.getTaxInclusiveTotalPrice().subtract(newInvoiceAmount);
 
            if (newNoInvoiceNum.compareTo(BigDecimal.ZERO) < 0
                    || newNoInvoiceAmount.compareTo(BigDecimal.ZERO) < 0) {
                throw new RuntimeException("开票数量或金额超过合同总量");
            }
 
            //  更新 sales_ledger_product
            salesLedgerProductMapper.update(
                    null,
                    new LambdaUpdateWrapper<SalesLedgerProduct>()
                            .eq(SalesLedgerProduct::getId, dbProduct.getId())
                            .set(SalesLedgerProduct::getInvoiceNum, newInvoiceNum)
                            .set(SalesLedgerProduct::getInvoiceAmount, newInvoiceAmount)
                            .set(SalesLedgerProduct::getNoInvoiceNum, newNoInvoiceNum)
                            .set(SalesLedgerProduct::getNoInvoiceAmount, newNoInvoiceAmount)
            );
 
            InvoiceRegistrationProduct invoiceRegistrationProduct = new InvoiceRegistrationProduct();
            BeanUtils.copyProperties(dbProduct, invoiceRegistrationProduct);
 
            invoiceRegistrationProduct.setId(null);
            invoiceRegistrationProduct.setSalesLedgerId(salesLedgerDto.getId().intValue());
            invoiceRegistrationProduct.setInvoiceRegistrationId(invoiceRegistration.getId());
            invoiceRegistrationProduct.setSalesLedgerProductId(dbProduct.getId().intValue());
            invoiceRegistrationProduct.setInvoiceNum(currentInvoiceNum);
            invoiceRegistrationProduct.setInvoiceAmount(currentInvoiceAmount);
            invoiceRegistrationProduct.setNoInvoiceAmount(newNoInvoiceAmount);
 
            invoiceRegistrationProductMapper.insert(invoiceRegistrationProduct);
 
            InvoiceLedger invoiceLedger = new InvoiceLedger();
            invoiceLedger.setInvoiceDate(salesLedgerDto.getIssueDate());
            invoiceLedger.setInvoiceRegistrationProductId(invoiceRegistrationProduct.getId());
            invoiceLedger.setInvoiceTotal(currentInvoiceAmount);
            invoiceLedger.setInvoiceNo(salesLedgerDto.getInvoiceNo());
            invoiceLedger.setCreateUser(SecurityUtils.getUserId().intValue());
            invoiceLedger.setInvoicePerson(dbProduct.getRegister());
 
            invoiceLedgerMapper.insert(invoiceLedger);
        }
    }
 
    /**
     * 开票登记删除
     * @param ids
     * @return
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public int invoiceRegistrationDel(List<Integer> ids) {
        int excuteNum = invoiceRegistrationMapper.deleteBatchIds(ids);
        LambdaQueryWrapper<InvoiceRegistrationProduct> delWrapper = new LambdaQueryWrapper<>();
        delWrapper.in(InvoiceRegistrationProduct::getInvoiceRegistrationId, ids);
        invoiceRegistrationProductMapper.delete(delWrapper);
        return excuteNum;
    }
 
    /**
     * 开票记录修改
     * @param invoiceRegistrationDto
     * @return
     */
    @Override
    public void invoiceRegistrationUpdate(InvoiceRegistrationDto invoiceRegistrationDto) {
        InvoiceRegistration invoiceRegistration = new InvoiceRegistration();
        BeanUtils.copyProperties(invoiceRegistrationDto, invoiceRegistration);
        // 开票登记修改
        invoiceRegistrationMapper.updateById(invoiceRegistration);
        List<InvoiceRegistrationProductDto> productDtoList = invoiceRegistrationDto.getProductDtoList();
        // 开票产品登记修改
        if(CollectionUtils.isNotEmpty(productDtoList)){
            for (InvoiceRegistrationProductDto invoiceRegistrationProductDto : productDtoList) {
                InvoiceRegistrationProduct invoiceRegistrationProduct = new InvoiceRegistrationProduct();
                BeanUtils.copyProperties(invoiceRegistrationProductDto, invoiceRegistrationProduct);
                invoiceRegistrationProductMapper.updateById(invoiceRegistrationProduct);
            }
        }
    }
 
    /**
     * 开票登记分页查询
     * @param page
     * @param invoiceRegistrationDto
     * @return
     */
    @Override
    public IPage<InvoiceRegistrationDto> invoiceRegistrationListPage(Page page, InvoiceRegistrationDto invoiceRegistrationDto) {
        return invoiceRegistrationMapper.invoiceRegistrationListPage(page, invoiceRegistrationDto);
    }
 
    /**
     * 开票登记产品查询
     * @param invoiceRegistrationProductDto
     * @return
     */
    @Override
    public List<InvoiceRegistrationProductDto> invoiceRegistrationProductList(InvoiceRegistrationProductDto invoiceRegistrationProductDto) {
        return invoiceRegistrationProductMapper.invoiceRegistrationProductList(invoiceRegistrationProductDto);
    }
 
    /**
     * 开票登记详情
     * @param id
     * @return
     */
    @Override
    public InvoiceRegistrationDto invoiceRegistrationDetail(Integer id) {
        InvoiceRegistration invoiceRegistration = invoiceRegistrationMapper.selectById(id);
        if(ObjectUtils.isEmpty(invoiceRegistration)){
            throw new RuntimeException("开票登记信息查找失败");
        }
        InvoiceRegistrationDto invoiceRegistrationDto = new InvoiceRegistrationDto();
        BeanUtils.copyProperties(invoiceRegistration, invoiceRegistrationDto);
        QueryWrapper<InvoiceRegistrationProduct> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("invoice_registration_id", id);
        List<InvoiceRegistrationProduct> invoiceRegistrationProductList = invoiceRegistrationProductMapper.selectList(queryWrapper);
        List<InvoiceRegistrationProductDto> invoiceRegistrationProductDtoList = invoiceRegistrationProductList.stream().map(item -> {
            InvoiceRegistrationProductDto invoiceRegistrationProductDto = new InvoiceRegistrationProductDto();
            BeanUtils.copyProperties(item, invoiceRegistrationProductDto);
            return invoiceRegistrationProductDto;
        }).collect(Collectors.toList());
        invoiceRegistrationDto.setProductDtoList(invoiceRegistrationProductDtoList);
        return invoiceRegistrationDto;
    }
 
    /**
     * 开票登记导出
     * @param response
     * @param invoiceRegistrationDto
     */
    @Override
    public void invoiceRegistrationExport(HttpServletResponse response, InvoiceRegistrationDto invoiceRegistrationDto) {
        List<InvoiceRegisAndProductExcelDto> invoiceRegisAndProductExcelDtoList = invoiceRegistrationMapper.invoiceRegisAndProductExcelDtoList();
        ExcelUtil<InvoiceRegisAndProductExcelDto> util = new ExcelUtil<InvoiceRegisAndProductExcelDto>(InvoiceRegisAndProductExcelDto.class);
        util.exportExcel(response, invoiceRegisAndProductExcelDtoList, "开票登记信息");
    }
}