package com.by4cloud.platformx.business.service.impl;
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import cn.hutool.core.bean.BeanUtil;
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import cn.hutool.core.util.StrUtil;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.by4cloud.platformx.admin.api.entity.SysDept;
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import com.by4cloud.platformx.admin.api.feign.RemoteDeptService;
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import com.by4cloud.platformx.business.entity.*;
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import com.by4cloud.platformx.business.invoice.service.BIPYsService;
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import com.by4cloud.platformx.business.mapper.BillingInfoMapper;
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import com.by4cloud.platformx.business.service.*;
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import com.by4cloud.platformx.business.vo.ContractOutBoundVo;
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import com.by4cloud.platformx.business.vo.InvoicePreviewVo;
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import com.by4cloud.platformx.common.core.util.R;
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import com.by4cloud.platformx.common.data.mybatis.BaseModel;
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import lombok.RequiredArgsConstructor;
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import org.springframework.stereotype.Service;
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import java.math.BigDecimal;
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import java.math.RoundingMode;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.stream.Collectors;
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/**
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* 开票信息
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*
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* @author wjli
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* @date 2026-06-04 10:50:20
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*/
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@Service
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@RequiredArgsConstructor
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public class BillingInfoServiceImpl extends ServiceImpl<BillingInfoMapper, BillingInfo> implements BillingInfoService {
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private final BillingInfoMapper billingInfoMapper;
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private final BusinessCustomerService businessCustomerService;
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private final ContractOutBoundService contractOutBoundService;
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private final ProductService productService;
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private final ContractSubjectMatterService contractSubjectMatterService;
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private final RemoteDeptService remoteDeptService;
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/*
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* 拼接开票数据
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*/
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@Override
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public BillingInfo getInviceByContractId(InvoicePreviewVo previewVo,Contract contract,Integer doType) {
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Long contractId = previewVo.getContractId();
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int showType = 0; // 0为拼接 1 为预览计算
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if (previewVo.getContractOutBoundIds() != null && !previewVo.getContractOutBoundIds().isEmpty()) {
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showType = 1;
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}
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BillingInfo billingInfo = new BillingInfo();
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billingInfo.setContractId(contractId);
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billingInfo.setContractName(contract.getContractName());
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billingInfo.setContractNo(contract.getContractNo());
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BusinessCustomer partA = businessCustomerService.getById(contract.getPartyAId());
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if (partA != null) {
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billingInfo.setPartyA(partA.getCompanyName());
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billingInfo.setCreditCodeA(partA.getCreditCode());
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billingInfo.setBankAccountA(partA.getBankAccount());
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billingInfo.setBankNameA(partA.getBankName());
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}
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R<SysDept> r = remoteDeptService.getById(contract.getPartyBId());
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SysDept dept = r.getData();
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if (dept != null) {
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billingInfo.setPartyB(dept.getOrgName());
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billingInfo.setCreditCodeB(dept.getOrgCode());
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billingInfo.setBankAccountB(dept.getOrgBankAccount());
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billingInfo.setBankNameB(dept.getOrgBank());
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}
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if(doType==1) {
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if (billingInfo.getId() == null) {
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billingInfoMapper.insert(billingInfo);
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}
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}
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Long billingInfoId = billingInfo.getId();
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LambdaQueryWrapper<ContractOutBound> lambdaQueryWrapper = new LambdaQueryWrapper<>();
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lambdaQueryWrapper.eq(ContractOutBound::getContractId, contract.getId());
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lambdaQueryWrapper.eq(ContractOutBound::getInvoiceSatus, 0);
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if (showType == 1) {
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lambdaQueryWrapper.in(BaseModel::getId, previewVo.getContractOutBoundIds());
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}
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lambdaQueryWrapper.orderByAsc(ContractOutBound::getOutBoundTime);
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List<ContractOutBound> outBoundList = contractOutBoundService.list(lambdaQueryWrapper);
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if (outBoundList != null) {
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if (!outBoundList.isEmpty()) {
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List<ContractOutBoundVo> list = new ArrayList<>();
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for (ContractOutBound outBound : outBoundList) {
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if(doType==1){
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outBound.setInvoiceSatus(1);
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outBound.setSaleCreditId(billingInfoId);
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}
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ContractOutBoundVo vo = new ContractOutBoundVo();
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BeanUtil.copyProperties(outBound, vo);
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Product product = productService.getOne(new LambdaQueryWrapper<Product>().eq(Product::getErpCode, outBound.getSubjectMatterCode()).last("limit 1"));
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Product productP = productService.getOne(new LambdaQueryWrapper<Product>().eq(Product::getId, product.getParentId()).last("limit 1"));
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if (product != null) {
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vo.setProductId(product.getId());
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vo.setInvoiceName("*" + product.getTaxClass() + "*" + (productP != null ? productP.getProductName() : "") + "*");
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vo.setTaxClass(product.getTaxClass());
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vo.setTaxCode(product.getTaxCode());
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vo.setTaxRate(product.getTaxRate());
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}
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ContractSubjectMatter matter = contractSubjectMatterService.getOne(new LambdaQueryWrapper<ContractSubjectMatter>()
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.eq(ContractSubjectMatter::getContractId, contract.getId())
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.eq(ContractSubjectMatter::getMaterialCode, outBound.getSubjectMatterCode())
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.last("limit 1")
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);
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if (matter != null) {
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vo.setSpecification(matter.getSpecification());
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vo.setUnit(matter.getUnit());
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vo.setUnitPrice(matter.getUnitPrice());
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}
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list.add(vo);
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}
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billingInfo.setContractOutBoundList(list);
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if (showType == 1) {
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List<ContractOutBoundVo> result = getListGroupingByProductId(list);
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BigDecimal totalPriceAll = BigDecimal.ZERO;
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BigDecimal totalTaxAll = BigDecimal.ZERO;
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BigDecimal totalPriceNoTaxAll = BigDecimal.ZERO;
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for (ContractOutBoundVo outBoundVo : result) {
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outBoundVo.setTotalPrice(outBoundVo.getUnitPrice().multiply(outBoundVo.getOutBoundNum()).setScale(2, RoundingMode.HALF_UP));
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totalPriceAll = totalPriceAll.add(outBoundVo.getTotalPrice());
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outBoundVo.setTotalTax(getTaxAmount(outBoundVo.getTaxRate(), outBoundVo.getTotalPrice()));
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totalTaxAll = totalTaxAll.add(outBoundVo.getTotalTax());
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outBoundVo.setTotalPriceNoTax(getNoTaxAmount(outBoundVo.getTaxRate(), outBoundVo.getTotalPrice()));
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totalPriceNoTaxAll = totalPriceNoTaxAll.add(outBoundVo.getTotalPriceNoTax());
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}
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billingInfo.setTotalAmount(totalPriceAll);
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billingInfo.setTotalTax(totalTaxAll);
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billingInfo.setAmountNoTax(totalPriceNoTaxAll);
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billingInfo.setContractOutBoundList(result);
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if(billingInfoId != null){
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billingInfoMapper.updateById(billingInfo);
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}else{
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billingInfoMapper.insert(billingInfo);
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}
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}
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if(doType==1){
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contractOutBoundService.updateBatchById(outBoundList);
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}
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}
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}
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return billingInfo;
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}
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private List<ContractOutBoundVo> getListGroupingByProductId(List<ContractOutBoundVo> list) {
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//提取productId
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List<Long> productIds = list.stream().map(ContractOutBoundVo::getProductId).collect(Collectors.toList());
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//去重
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List<Long> result = productIds.stream().distinct().collect(Collectors.toList());
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List<ContractOutBoundVo> noRest = new ArrayList<>();
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for(Long id : result){
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ContractOutBoundVo newVo = new ContractOutBoundVo();
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int times = 0;
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String obIds = "";
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BigDecimal num = BigDecimal.ZERO;
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for(ContractOutBoundVo vo : list){
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if(vo.getProductId().equals(id)){
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times++;
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if(times == 1){
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BeanUtil.copyProperties(vo,newVo);
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}
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num = num.add(vo.getOutBoundNum());
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if(StrUtil.isEmpty(obIds)){
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obIds = "" + vo.getId();
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}else{
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obIds += "," + vo.getId();
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}
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}
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}
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newVo.setOutBoundNum(num);
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newVo.setContractOutBoundIds(obIds);
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noRest.add(newVo);
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}
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return noRest;
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}
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/* if (showType == 1) {
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//1.不含税金额=含税总额÷(1+税率)
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//2.税额=含税总额÷(1+税率)x税率
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vo.setTotalPrice(vo.getUnitPrice().multiply(outBound.getOutBoundNum()).setScale(2, RoundingMode.HALF_UP));
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vo.setTotalTax(getTaxAmount(vo.getTaxRate(), vo.getTotalPrice()));
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vo.setTotalPriceNoTax(getNoTaxAmount(vo.getTaxRate(), vo.getTotalPrice()));
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}*/
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public BigDecimal getTaxAmount(double taxRate,BigDecimal totalPrice) {
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// 1、税率转BigDecimal并转为小数 13 → 0.13
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BigDecimal taxPercent = BigDecimal.valueOf(taxRate).divide(new BigDecimal("100"));
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// 1+税率
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BigDecimal rateSum = BigDecimal.ONE.add(taxPercent);
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// 不含税金额，保留2位、四舍五入
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BigDecimal noTax = totalPrice.divide(rateSum, 2, RoundingMode.HALF_UP);
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// 税额
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BigDecimal taxAmount = totalPrice.subtract(noTax);
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return taxAmount;
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}
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public BigDecimal getNoTaxAmount(double taxRate,BigDecimal totalPrice){
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// 1、税率转BigDecimal并转为小数 13 → 0.13
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BigDecimal taxPercent = BigDecimal.valueOf(taxRate).divide(new BigDecimal("100"));
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// 1+税率
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BigDecimal rateSum = BigDecimal.ONE.add(taxPercent);
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// 不含税金额，保留2位、四舍五入
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BigDecimal noTax = totalPrice.divide(rateSum, 2, RoundingMode.HALF_UP);
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// 税额
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//BigDecimal taxAmount = totalPrice.subtract(noTax);
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return noTax;
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}
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}
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