package com.ruoyi.tms.service.impl;

import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.enums.SystemDataNoEnum;
import com.ruoyi.common.utils.DateUtils;
import javax.annotation.Resource;

import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.system.service.ISysConfigService;
import com.ruoyi.system.service.ISystemDataNoService;
import com.ruoyi.tms.domain.*;
import com.ruoyi.tms.mapper.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.task.AsyncTaskExecutor;
import org.springframework.core.task.SimpleAsyncTaskExecutor;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.scheduling.annotation.Async;
import org.springframework.web.client.RestTemplate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONObject;
import com.ruoyi.common.utils.PageUtils;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.annotation.DataSource;
import com.ruoyi.common.enums.DataSourceType;
import com.ruoyi.common.core.service.BaseService;

import com.ruoyi.tms.service.ITmsPayableFeeService;
import com.ruoyi.common.core.text.Convert;

/**
 * 应付费用Service业务层处理
 *
 * @author ruoyi
 * @date 2026-01-12
 */
@Service
@Transactional(rollbackFor = Exception.class)
public class TmsPayableFeeServiceImpl  extends BaseService<TmsPayableFeeMapper, TmsPayableFee> implements ITmsPayableFeeService
{
    protected final Logger logger = LoggerFactory.getLogger(getClass());
    @Resource
    private TmsPayableFeeMapper tmsPayableFeeMapper;
    @Resource
    private TmsDispatchOrderMapper tmsDispatchOrderMapper;

    @Resource
    private TmsPayableFeeItemMapper tmsPayableFeeItemMapper;
    @Resource
    private TmsApBillMapper tmsApBillMapper;
    @Resource
    private TmsApBillItemMapper tmsApBillItemMapper;


    @Resource
    ISysConfigService sysConfigService;
    @Autowired
    ISystemDataNoService systemDataNoService;
    @Autowired
    private RestTemplate restTemplate;
    @Value("${custom.cwxtApi.url}")
    private String url;
    /**
     * 查询应付费用
     *
     * @param id 应付费用ID
     * @return 应付费用
     */
    @DataSource(DataSourceType.SLAVE)
    @Override
    public TmsPayableFee selectTmsPayableFeeById(Integer id)
    {
        TmsPayableFee tmsPayableFee = tmsPayableFeeMapper.selectTmsPayableFeeById(id);
        List<TmsPayableFeeItem> tmsPayableFeeItems = tmsPayableFeeItemMapper.selectTmsPayableFeeItemList(
                new TmsPayableFeeItem() {{
                    setHeadId(id);
                }}
        );
        tmsPayableFee.setPayableFeeItems(tmsPayableFeeItems);
        return tmsPayableFee;
    }

    @DataSource(DataSourceType.SLAVE)
    @Override
    public List<TmsPayableFee> selectTmsPayableFeeByDispatchNo(String dispatchNo)
    {
        List<TmsPayableFee> tmsPayableFeeList = tmsPayableFeeMapper.selectList(new LambdaQueryWrapper<TmsPayableFee>()
                .eq(TmsPayableFee::getDispatchNo, dispatchNo)
                .ne(TmsPayableFee::getStatus, 2)
        );

        if (tmsPayableFeeList != null && !tmsPayableFeeList.isEmpty()){
            tmsPayableFeeList.forEach(tmsPayableFee -> {
                List<TmsPayableFeeItem> tmsPayableFeeItems = tmsPayableFeeItemMapper.selectTmsPayableFeeItemList(
                        new TmsPayableFeeItem() {{
                            setHeadId(tmsPayableFee.getId());
                        }}
                );
                tmsPayableFee.setPayableFeeItems(tmsPayableFeeItems);
            });
        }
        return tmsPayableFeeList;
    }

    /**
     * 查询应付费用 记录数
     *
     * @param tmsPayableFee 应付费用
     * @return 应付费用集合
     */
    @DataSource(DataSourceType.SLAVE)
    @Override
    public int selectTmsPayableFeeCount(TmsPayableFee tmsPayableFee)
    {
        return tmsPayableFeeMapper.selectTmsPayableFeeCount(tmsPayableFee);
    }

    /**
     * 查询应付费用列表
     *
     * @param tmsPayableFee 应付费用
     * @return 应付费用
     */
    @DataSource(DataSourceType.SLAVE)
    @Override
    public List<TmsPayableFee> selectTmsPayableFeeList(TmsPayableFee tmsPayableFee)
    {
        return tmsPayableFeeMapper.selectTmsPayableFeeList(tmsPayableFee);
    }

    /**
     * 查询应付费用列表 异步 导出
     *
     * @param tmsPayableFee 应付费用
     * @param exportKey 导出功能的唯一标识
     * @return 应付费用集合
     */
    @DataSource(DataSourceType.SLAVE)
    @Async
    @Override
    public void export(TmsPayableFee tmsPayableFee,String exportKey) {

        super.export(TmsPayableFee.class,exportKey,"tmsPayableFeeData",(pageNum)->{
            PageUtils.startPage(pageNum, Constants.EXPORT_PATE_SIZE);
            return selectTmsPayableFeeList(tmsPayableFee);
        });
    }


    /**
     * 新增应付费用
     *
     * @param tmsPayableFee 应付费用
     * @return 结果
     */
    @Override
    public int insertTmsPayableFee(TmsPayableFee tmsPayableFee)
    {
        tmsPayableFee.setCreateTime(DateUtils.getNowDate());
        return tmsPayableFeeMapper.insertTmsPayableFee(tmsPayableFee);
    }

    /**
     * 新增应付费用[批量]
     *
     * @param tmsPayableFees 应付费用
     * @return 结果
     */
    @Override
    public int insertTmsPayableFeeBatch(List<TmsPayableFee> tmsPayableFees)
    {
        int rows = tmsPayableFeeMapper.insertTmsPayableFeeBatch(tmsPayableFees);
        return rows;
    }

    /**
     * 修改应付费用
     *
     * @param tmsPayableFee 应付费用
     * @return 结果
     */
    @Override
    public int updateTmsPayableFee(TmsPayableFee tmsPayableFee)
    {
        tmsPayableFee.setUpdateTime(DateUtils.getNowDate());
        return tmsPayableFeeMapper.updateTmsPayableFee(tmsPayableFee);
    }

    /**
     * 修改应付费用[批量]
     *
     * @param tmsPayableFees 应付费用
     * @return 结果
     */
    @Override
    public int updateTmsPayableFeeBatch(List<TmsPayableFee> tmsPayableFees){
        return tmsPayableFeeMapper.updateTmsPayableFeeBatch(tmsPayableFees);
    }

    @Override
    public int closeTmsPayableFeeById(Integer id) {
        TmsPayableFee tmsPayableFee = selectTmsPayableFeeById(id);
        if(tmsPayableFee != null){
            tmsPayableFee.setStatus(2);
            updateTmsPayableFee(tmsPayableFee);
            tmsDispatchOrderMapper.update(new LambdaUpdateWrapper<TmsDispatchOrder>()
                    .eq(TmsDispatchOrder::getId,tmsPayableFee.getDispatchId())
                    .set(TmsDispatchOrder::getAccountsPayableStatus,0)
            );
        }else{
            throw new RuntimeException("数据不存在");
        }

        return 1;
    }

    /**
     * 删除应付费用对象
     *
     * @param ids 需要删除的数据ID
     * @return 结果
     */
    @Override
    public int deleteTmsPayableFeeByIds(String ids)
    {
        return deleteTmsPayableFeeByIds(Convert.toIntArray(ids));
    }

    /**
     * 删除应付费用对象
     *
     *
     * @param ids 需要删除的数据ID
     * @return 结果
     */
    @Override
    public int deleteTmsPayableFeeByIds(Integer[] ids)
    {
        return tmsPayableFeeMapper.deleteTmsPayableFeeByIds(ids);
    }

    @Override
    public TmsApBill initApGenerate(Integer[] ids) {
        List<TmsPayableFee> tmsPayableFeeList = tmsPayableFeeMapper.selectBatchIds(Arrays.asList(ids));
        boolean hasDifferentCustomers = tmsPayableFeeList.stream()
                .map(item-> item.getServiceProviderType()+"_"+ item.getServiceProviderId())
                .distinct()
                .count() > 1;
        if (hasDifferentCustomers) {
            throw new RuntimeException("所选费用包含不同供应商，无法合并生成应收账单");
        }

        TmsApBill  tmsApBill = new TmsApBill();
        tmsApBill.setDispatchCount(tmsPayableFeeList.size());
        String s = sysConfigService.selectConfigByKey("sys.hk.rmb.rate");
        BigDecimal exchangeRate = new BigDecimal(s);
        tmsApBill.setSettleRate(exchangeRate);
        TmsPayableFee tmsPayableFee = tmsPayableFeeList.get(0);
        tmsApBill.setServiceProviderId(tmsPayableFee.getServiceProviderId());
        tmsApBill.setServiceProviderName(tmsPayableFee.getServiceProviderName());
        tmsApBill.setServiceProviderType(tmsPayableFee.getServiceProviderType());
        tmsApBill.setBillName(DateUtils.dateTime()+tmsApBill.getServiceProviderName()+"账单");

        tmsApBill.setSettleAmount(BigDecimal.ZERO);
        tmsPayableFeeList.forEach(item ->{
            List<TmsPayableFeeItem> tmsPayableFeeItems = tmsPayableFeeItemMapper.selectTmsPayableFeeItemList(new TmsPayableFeeItem() {{
                setHeadId(item.getId());
            }});
            item.setPayableFeeItems(tmsPayableFeeItems);
            BigDecimal rmbAmount = item.getPayableHkbAmount()
                    .multiply(exchangeRate)
                    .setScale(2, RoundingMode.HALF_UP);
            item.setPayableRmbSumAmount( item.getPayableRmbAmount().add(rmbAmount));
            tmsApBill.setSettleAmount(tmsApBill.getSettleAmount().add(item.getPayableRmbSumAmount()));

        });
        tmsApBill.setTmsPayableFeeList(tmsPayableFeeList);
        tmsApBill.setActualSettlementAmount(tmsApBill.getSettleAmount());
        return tmsApBill;
    }

    @Override
    public AjaxResult apGenerate(Integer[] ids) {

        TmsApBill tmsApBill = initApGenerate(ids);
        tmsApBill.setSystemNo(systemDataNoService.getNoByKey(SystemDataNoEnum.YFZD));
        tmsApBill.setSettledAmount(BigDecimal.ZERO);
        tmsApBill.setInvoiceStatus(0);
        tmsApBill.setStatus(0);
        tmsApBill.setPushStatus(0); // 初始推送状态：未推送
        tmsApBill.setCreateBy(SecurityUtils.getUsername());
        tmsApBillMapper.insertTmsApBill(tmsApBill);

        tmsPayableFeeMapper.update(new LambdaUpdateWrapper<TmsPayableFee>()
                .set(TmsPayableFee::getBillPayableId,tmsApBill.getId())
                .set(TmsPayableFee::getBillPayableNo,tmsApBill.getSystemNo())
                .set(TmsPayableFee::getStatus,1)
                .in(TmsPayableFee::getId, ids)
        );
        List<TmsPayableFee> tmsPayableFeeList = tmsApBill.getTmsPayableFeeList();
        List<TmsApBillItem> rmb = tmsPayableFeeList.stream().map(item -> {
            TmsApBillItem billItem = new TmsApBillItem();
            billItem.setBillId(tmsApBill.getId());
            billItem.setProjectName(item.getProjectName());
            billItem.setDispatchNo(item.getDispatchNo());
            billItem.setOrderTime(item.getCreateTime());
            billItem.setEstimateAmount(item.
                    getPayableRmbSumAmount());
            billItem.setCurrency("RMB");
            billItem.setApFeeId(item.getId());
            billItem.setStatus(0);
            return billItem;
        }).collect(Collectors.toList());
        if (!rmb.isEmpty()){
            tmsApBillItemMapper.insertTmsApBillItemBatch(rmb);
        }
        
        //向外部系统推送数据
        AsyncTaskExecutor executor = new SimpleAsyncTaskExecutor();
        executor.execute(() -> pushPayableToExternalSystem(tmsApBill, tmsPayableFeeList));

        return AjaxResult.success();
    }
    
    /**
     * 向外部系统推送应付数据
     * @param tmsApBill 应付账单
     * @param tmsPayableFeeList 应付费用列表
     */
    @Async
    protected void pushPayableToExternalSystem(TmsApBill tmsApBill, List<TmsPayableFee> tmsPayableFeeList) {
        java.util.Map<String, Object> requestBody = new java.util.HashMap<>();
        try {
            // 构建请求体
            String apiUrl = url+"/addPayableBill";
            
            // 构建bill部分
            java.util.Map<String, Object> billMap = new java.util.HashMap<>();
            billMap.put("billName", tmsApBill.getBillName());
            billMap.put("supplierName", tmsApBill.getServiceProviderName());
            billMap.put("totalAmount", tmsApBill.getSettleAmount());
            billMap.put("currency", "RMB");
            billMap.put("status", "0");
            billMap.put("isInternalSettlement", "0");
            billMap.put("internalSettlementUnit", tmsApBill.getServiceProviderName());
            billMap.put("documentCount", tmsPayableFeeList.size());
            billMap.put("discountAmount", 0.00);
            billMap.put("paidAmount", 0.00);
            billMap.put("pendingAmount", tmsApBill.getSettleAmount());
            billMap.put("exchangeRate", tmsApBill.getSettleRate());
            billMap.put("cnyAmount", tmsApBill.getSettleAmount());
            billMap.put("periodType", "");
            billMap.put("businessStartDate", "");
            billMap.put("businessEndDate", "");
            billMap.put("billingStartDate", "");
            billMap.put("billingEndDate", "");
            billMap.put("billGenerateDate", "");
            billMap.put("billSendDate", "");
            billMap.put("billDueDate", "");
            billMap.put("remark", "");
            
            // 构建fees部分
            List<java.util.Map<String, Object>> feesList = new java.util.ArrayList<>();
            for (int i = 0; i < tmsPayableFeeList.size(); i++) {
                TmsPayableFee fee = tmsPayableFeeList.get(i);
                java.util.Map<String, Object> feeMap = new java.util.HashMap<>();
                feeMap.put("sourceSystem", "TMS");
                feeMap.put("documentNo", fee.getDispatchNo() != null ? fee.getDispatchNo() : "");
                feeMap.put("supplierName", tmsApBill.getServiceProviderName());
                feeMap.put("payableAmount", fee.getPayableRmbAmount().add(fee.getPayableHkbAmount()));
                BigDecimal rmbAmount = fee.getPayableRmbAmount();
                BigDecimal hkbAmount = fee.getPayableHkbAmount();
                StringBuilder amountStr = new StringBuilder();
                if (rmbAmount.compareTo(BigDecimal.ZERO) > 0) {
                    amountStr.append(rmbAmount).append("人民币");
                }
                if (hkbAmount.compareTo(BigDecimal.ZERO) > 0) {
                    if (amountStr.length() > 0) {
                        amountStr.append(" ");
                    }
                    amountStr.append(hkbAmount).append("港币");
                }
                feeMap.put("payableAmountStr", amountStr.toString());
                feeMap.put("serialNumber", String.format("%03d", i + 1));
                feeMap.put("relatedBillNo", "");
                feeMap.put("businessSector", "0");
                feeMap.put("documentType", "0");
                feeMap.put("isInternalSettlement", "0");
                feeMap.put("internalSettlementUnit", "");
                feeMap.put("projectName", fee.getProjectName() != null ? fee.getProjectName() : "");
                feeMap.put("businessTime", fee.getDispatchConfirmTime());
                feeMap.put("payableConfirmTime", fee.getDispatchConfirmTime());
                feeMap.put("status", "1");
                feeMap.put("remark", "");
                
                // 构建feeDetails部分
                List<java.util.Map<String, Object>> feeDetailsList = new java.util.ArrayList<>();
                List<TmsPayableFeeItem> payableFeeItems = fee.getPayableFeeItems();
                for (TmsPayableFeeItem payableFeeItem : payableFeeItems) {
                    java.util.Map<String, Object> feeDetailMap = new java.util.HashMap<>();
                    feeDetailMap.put("feeType", payableFeeItem.getFeeType());
                    feeDetailMap.put("feeName", payableFeeItem.getFeeName());
                    feeDetailMap.put("unitPrice", payableFeeItem.getRegisterAmount());
                    feeDetailMap.put("billingQuantity", payableFeeItem.getRegisterAmount());
                    feeDetailMap.put("billingAmount", payableFeeItem.getRegisterAmount());
                    feeDetailMap.put("billingUnit", "次");
                    feeDetailMap.put("actualAmount", payableFeeItem.getRegisterAmount());
                    feeDetailMap.put("currency", payableFeeItem.getCurrency());
                    feeDetailMap.put("feeRegTime",payableFeeItem.getRegisterTime());
                    feeDetailMap.put("remark", "");
                    feeDetailsList.add(feeDetailMap);
                }

                
                feeMap.put("feeDetails", feeDetailsList);
                feesList.add(feeMap);
            }
            
            // 构建完整请求体
            requestBody.put("bill", billMap);
            requestBody.put("fees", feesList);
            
            // 设置HTTP头
            HttpHeaders headers = new HttpHeaders();
            headers.setContentType(MediaType.APPLICATION_JSON);
            HttpEntity<String> entity = new HttpEntity<>(JSON.toJSONString(requestBody), headers);
            
            // 发送API请求
            ResponseEntity<String> response = restTemplate.exchange(apiUrl, HttpMethod.POST, entity, String.class);
            logger.info("推送应付数据到外部系统成功，响应: {}", response.getBody());
            
     
            // 解析响应，获取sourceSystemId
            try {
                JSONObject result = JSONObject.parseObject(response.getBody());
                String sourceSystemId = result.getString("sourceSystemId");
                if (sourceSystemId != null) {
                    tmsApBill.setSourceSystemId(Integer.parseInt(sourceSystemId));
                }
            } catch (Exception e) {
                logger.error("解析外部系统响应失败: {}", e.getMessage());
            }
            // 更新推送状态为成功
            tmsApBill.setPushStatus(2);
            tmsApBill.setPushTime(DateUtils.getNowDate());
            tmsApBillMapper.updateTmsApBill(tmsApBill);
        } catch (Exception e) {
            logger.error("推送应付数据到外部系统失败，账单ID: {}, 供应商: {}", 
                tmsApBill.getId(), tmsApBill.getServiceProviderName(), e);
            logger.debug("推送失败的请求数据: {}", JSON.toJSONString(requestBody));
            
            // 更新推送状态为失败
            tmsApBill.setPushStatus(3);
            tmsApBill.setPushTime(DateUtils.getNowDate());
            tmsApBillMapper.updateTmsApBill(tmsApBill);
        }
    }

    /**
     * 删除应付费用信息
     *
     * @param id 应付费用ID
     * @return 结果
     */
    @Override
    public int deleteTmsPayableFeeById(Integer id)
    {
        return tmsPayableFeeMapper.deleteTmsPayableFeeById(id);
    }
}