package com.ruoyi.cwgl.service.impl;

import java.util.ArrayList;
import java.util.List;

import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.poi.ExcelUtil;
import com.ruoyi.common.utils.file.DownloadExportUtil;
import com.ruoyi.common.utils.file.DownloadExportUtil.ExprotStatus;
import com.ruoyi.common.core.redis.RedisCache;
import javax.annotation.Resource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.stereotype.Service;
import org.springframework.scheduling.annotation.Async;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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.cwgl.mapper.FundFlowMapper;
import com.ruoyi.cwgl.domain.FundFlow;
import com.ruoyi.cwgl.domain.FundFlowLog;
import com.ruoyi.cwgl.service.IFundFlowService;
import com.ruoyi.cwgl.service.IFundFlowLogService;
import com.ruoyi.common.core.text.Convert;

/**
 * 资金流水Service业务层处理
 *
 * @author ruoyi
 * @date 2026-01-12
 */
@Service
@Transactional(rollbackFor = Exception.class)
public class FundFlowServiceImpl  extends BaseService<FundFlowMapper, FundFlow> implements IFundFlowService
{
    protected final Logger logger = LoggerFactory.getLogger(getClass());
    @Resource
    private FundFlowMapper fundFlowMapper;
    @Resource
    private IFundFlowLogService fundFlowLogService;
    @Autowired
    private RedisCache redisCache;


    /**
     * 查询资金流水
     *
     * @param id 资金流水ID
     * @return 资金流水
     */
    @DataSource(DataSourceType.SLAVE)
    @Override
    public FundFlow selectFundFlowById(Integer id)
    {
        return fundFlowMapper.selectFundFlowById(id);
    }

    /**
     * 查询资金流水 记录数
     *
     * @param fundFlow 资金流水
     * @return 资金流水集合
     */
    @DataSource(DataSourceType.SLAVE)
    @Override
    public int selectFundFlowCount(FundFlow fundFlow)
    {
        return fundFlowMapper.selectFundFlowCount(fundFlow);
    }

    /**
     * 查询资金流水列表
     *
     * @param fundFlow 资金流水
     * @return 资金流水
     */
    @DataSource(DataSourceType.SLAVE)
    @Override
    public List<FundFlow> selectFundFlowList(FundFlow fundFlow)
    {
        return fundFlowMapper.selectFundFlowList(fundFlow);
    }

    /**
     * 查询资金流水列表 异步 导出
     *
     * @param fundFlow 资金流水
     * @param exportKey 导出功能的唯一标识
     * @return 资金流水集合
     */
    @DataSource(DataSourceType.SLAVE)
    @Async
    @Override
    public void export(FundFlow fundFlow,String exportKey) {

        super.export(FundFlow.class,exportKey,"fundFlowData",(pageNum)->{
            PageUtils.startPage(pageNum, Constants.EXPORT_PATE_SIZE);
            return selectFundFlowList(fundFlow);
        });
    }


    /**
     * 新增资金流水
     *
     * @param fundFlow 资金流水
     * @return 结果
     */
    @Override
    public int insertFundFlow(FundFlow fundFlow)
    {
        fundFlow.setCreateTime(DateUtils.getNowDate());
        int result = fundFlowMapper.insertFundFlow(fundFlow);
        
        // 记录操作日志
        if (result > 0) {
            FundFlowLog log = new FundFlowLog();
            log.setFlowId(fundFlow.getId());
            log.setOperation("新增资金流水，流水号：" + fundFlow.getBankFlowNo());
            fundFlowLogService.insertFundFlowLog(log);
        }
        
        return result;
    }

    /**
     * 新增资金流水[批量]
     *
     * @param fundFlows 资金流水
     * @return 结果
     */
    @Override
    public int insertFundFlowBatch(List<FundFlow> fundFlows)
    {
        int rows = fundFlowMapper.insertFundFlowBatch(fundFlows);
        return rows;
    }

    /**
     * 修改资金流水
     *
     * @param fundFlow 资金流水
     * @return 结果
     */
    @Override
    public int updateFundFlow(FundFlow fundFlow)
    {
        fundFlow.setUpdateTime(DateUtils.getNowDate());
        int result = fundFlowMapper.updateFundFlow(fundFlow);
        
        // 记录操作日志
        if (result > 0) {
            FundFlowLog log = new FundFlowLog();
            log.setFlowId(fundFlow.getId());
            log.setOperation("修改资金流水，流水号：" + fundFlow.getBankFlowNo());
            fundFlowLogService.insertFundFlowLog(log);
        }
        
        return result;
    }

    /**
     * 修改资金流水[批量]
     *
     * @param fundFlows 资金流水
     * @return 结果
     */
    @Override
    public int updateFundFlowBatch(List<FundFlow> fundFlows){
        return fundFlowMapper.updateFundFlowBatch(fundFlows);
    }

    /**
     * 删除资金流水对象
     *
     * @param ids 需要删除的数据ID
     * @return 结果
     */
    @Override
    public int deleteFundFlowByIds(String ids)
    {
        return deleteFundFlowByIds(Convert.toIntArray(ids));
    }

    /**
     * 删除资金流水对象
     *
     *
     * @param ids 需要删除的数据ID
     * @return 结果
     */
    @Override
    public int deleteFundFlowByIds(Integer[] ids)
    {
        return fundFlowMapper.deleteFundFlowByIds(ids);
    }

    /**
     * 删除资金流水信息
     *
     * @param id 资金流水ID
     * @return 结果
     */
    @Override
    public int deleteFundFlowById(Integer id)
    {
        return fundFlowMapper.deleteFundFlowById(id);
    }

    /**
     * 确认资金流水（将状态改为待认领）
     *
     * @param id 资金流水ID
     * @return 结果
     */
    @Override
    public int confirmFundFlow(Integer id)
    {
        // 先查询资金流水信息
        FundFlow fundFlow = fundFlowMapper.selectFundFlowById(id);
        if (fundFlow == null) {
            throw new RuntimeException("资金流水不存在");
        }
        
        // 判断状态是否为0（正常）才能确认
        if (!"0".equals(fundFlow.getStatus())) {
            throw new RuntimeException("只有状态为草稿的资金流水才能确认");
        }
        
        // 将状态改为"1"（待认领）
        fundFlow.setStatus("1");
        int result = fundFlowMapper.updateFundFlow(fundFlow);
        
        // 记录操作日志
        if (result > 0) {
            FundFlowLog log = new FundFlowLog();
            log.setFlowId(id);
            log.setOperation("确认资金流水，流水号：" + fundFlow.getBankFlowNo() + "，状态从草稿改为待认领");
            fundFlowLogService.insertFundFlowLog(log);
        }
        
        return result;
    }

    /**
     * 导入资金流水数据
     *
     * @param fundFlowList 资金流水数据列表
     * @return 导入结果
     */
    @Override
    public String importFundFlow(List<FundFlow> fundFlowList )
    {
        if (fundFlowList == null || fundFlowList.isEmpty()) {
            throw new RuntimeException("导入资金流水数据不能为空");
        }
        
        int successNum = 0;
        int failureNum = 0;
        StringBuilder successMsg = new StringBuilder();
        StringBuilder failureMsg = new StringBuilder();
        
        for (FundFlow fundFlow : fundFlowList) {
            try {


                    // 新增
                    fundFlow.setCreateTime(DateUtils.getNowDate());
                    int result = fundFlowMapper.insertFundFlow(fundFlow);
                    if (result > 0) {
                        successNum++;
                        // 记录操作日志
                        FundFlowLog log = new FundFlowLog();
                        log.setFlowId(fundFlow.getId());
                        log.setOperation("导入资金流水，流水号：" + fundFlow.getBankFlowNo());
                        fundFlowLogService.insertFundFlowLog(log);
                    } else {
                        failureNum++;
                        failureMsg.append("、").append(fundFlow.getBankFlowNo());
                    }

            } catch (Exception e) {
                failureNum++;
                failureMsg.append("、").append(fundFlow.getBankFlowNo());
                logger.error("导入资金流水 {} 失败：{}", fundFlow.getBankFlowNo(), e.getMessage());
            }
        }
        
        if (failureNum > 0) {
            failureMsg.insert(0, "失败的流水号：");
        }
        
        successMsg.append("成功导入 " + successNum + " 条资金流水数据");
        if (failureNum > 0) {
            successMsg.append("，" + failureMsg);
        }
        
        return successMsg.toString();
    }

    /**
     * 导入资金流水模板
     * 
     * @param exportKey 导出功能的唯一标识
     */
    @DataSource(DataSourceType.SLAVE)
    @Async
    @Override
    public void importTemplate(String exportKey) {
        String fileName = ExcelUtil.encodeFileName("资金流水导入模板");

        // 设置当前任务为"下载中"状态
        DownloadExportUtil.deleteDownloadFile(redisCache, exportKey, ExprotStatus.XZZ.getStatus());
        
        try {
            // 创建空列表用于生成模板（只需要表头）
            List<FundFlow> fundFlowList = new ArrayList<>();
            
            // 使用export方法创建模板
            export(FundFlow.class, exportKey, fileName, (pageNum) -> {
                return fundFlowList;
            });
            
            logger.info("导入模板导出完成: {}, file: {}", exportKey, fileName);
        } catch (Exception e) {
            logger.error("导入模板导出失败: {}, error: {}", exportKey, e.getMessage(), e);
            DownloadExportUtil.deleteDownloadFile(redisCache, exportKey, ExprotStatus.XZYC.getStatus());
            throw e;
        }
    }
}