package com.example.demo.serviceImpl;


import com.example.demo.domain.entity.Detail;
import com.example.demo.domain.vo.RefundA;
import com.example.demo.mapper.RefundMapper;
import com.example.demo.sevice.RefundService;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import lombok.RequiredArgsConstructor;

import org.springframework.cache.annotation.CacheConfig;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.util.Arrays;
import java.util.List;
import java.util.UUID;


@RequiredArgsConstructor
@Transactional
@Service
@CacheConfig(cacheNames = "refund")
public class RefundServiceImpl implements RefundService {
    private final RefundMapper refundMapper;

    @CacheEvict(value = {"refund", "audit"}, allEntries = true)
    @Override
    public int add(Detail detail) {
        // 生成UUID作为订单编号
        String uuid = UUID.randomUUID().toString().replaceAll("-", ""); // 去掉UUID中的'-'
        detail.setOrderCode(uuid);
        return refundMapper.insert(detail);
    }

    @CacheEvict(value = {"refund", "audit"}, allEntries = true)
    @Override
    public int addAudit(Detail detail) {
        return refundMapper.insertAudit(detail);
    }

    //自动软删除数据加更新数据
    @CacheEvict(value = {"refund", "audit"}, allEntries = true)
    @Override
    public void edit(Detail newDetail) {
        // 获取旧的明细记录
        Detail oldDetail = refundMapper.selectByDetailId(newDetail.getDetailId());

        if (oldDetail == null || oldDetail.getDetailFlag() == 0) {
            throw new IllegalArgumentException("该记录不存在或已被隐藏！");
        }

        // 软删除旧记录
        refundMapper.update(oldDetail.getDetailId());

        // 将新的字段值复制到旧记录中，未修改的字段保持旧值
        if (newDetail.getJwcode() == null) newDetail.setJwcode(oldDetail.getJwcode());
        if (newDetail.getRefundType() == null) newDetail.setRefundType(oldDetail.getRefundType());
        if (newDetail.getRefundGoods() == null) newDetail.setRefundGoods(oldDetail.getRefundGoods());
        if (newDetail.getRechargeCoin() == null) newDetail.setRechargeCoin(oldDetail.getRechargeCoin());
        if (newDetail.getFreeCoin() == null) newDetail.setFreeCoin(oldDetail.getFreeCoin());
        if (newDetail.getTaskCoin() == null) newDetail.setTaskCoin(oldDetail.getTaskCoin());
        if (newDetail.getRemark() == null) newDetail.setRemark(oldDetail.getRemark());
        if (newDetail.getAdminId() == null) newDetail.setAdminId(oldDetail.getAdminId());

        // 插入新记录
        newDetail.setDetailId(null); // 清空 ID，让其自动生成
        newDetail.setDetailFlag(1); // 确保新记录未被删除
        refundMapper.insert(newDetail);
    }

    @Override
    @CacheEvict(value = {"refund", "recharge"}, allEntries = true)
    public int update(Integer contactId) {
        return refundMapper.updateOrderCode(contactId);
    }


    @Override
    public boolean existsByContactId(Integer contactId) {
        return refundMapper.existsByContactId(contactId);
    }

    @CacheEvict(value = {"refund", "recharge"}, allEntries = true)
    @Override
    public int softDelete(Integer detailId) {
        return refundMapper.update(detailId);
    }


    @Override
    public Detail selectByOrderCode(String orderCode) {
        return refundMapper.selectByOrderCode(orderCode);
    }


    @Override
    public Detail selectByJWCODE(String jwcode) {
        return refundMapper.selectByJWCODE(jwcode);
    }


    @Override
    public Detail selectByDetailId(Integer detailId) {
        return refundMapper.selectByDetailId(detailId);
    }

    @Override
    public List<Detail> search(Detail detail) {
        return refundMapper.select(detail);
    }


    @Cacheable(key = "#root.method.name + ':' + #pageNum + '-' + #pageSize + '-' + T(java.util.Objects).hashCode(#detail)")
    @Override
    public PageInfo<Detail> searchForPage(Integer pageNum, Integer pageSize, Detail detail) {
        // 如果 refundGoods 存在，则判断是否匹配 index 表中的 remark
        if (detail.getRefundGoods() != null && !detail.getRefundGoods().trim().isEmpty()) {
            boolean matchExists = refundMapper.isIndexTypeExist(detail.getRefundGoods());
            detail.setHasIndexMatch(matchExists); // 设置标志位
        }

        PageHelper.startPage(pageNum, pageSize);
        List<Detail> list = refundMapper.select(detail);
        return new PageInfo<>(list);
    }

//    @Override
//    public List<RefundA> getRefundA(RefundA refundA) {
//       return refundMapper.getRefundA(refundA);
//    }

    @Override
    public List<RefundA> getRefundA(RefundA refundA) {
        // 执行原始查询，获取实际存在的分类及其汇总值
        List<RefundA> result = refundMapper.getRefundA(refundA);

        // 定义完整的分类列表
        List<String> fullStatuses = Arrays.asList("待审核", "已通过", "已驳回");

        // 遍历分类列表，检查哪些分类在查询结果中缺失，并为其补充默认值
        for (String status : fullStatuses) {
            boolean categoryExists = result.stream()
                    .anyMatch(refund -> status.equals(refund.getStatus()));

            if (!categoryExists) {
                // 如果分类缺失，补充默认值
                RefundA defaultRefund = new RefundA();
                defaultRefund.setStatus(status);
                defaultRefund.setAmount(BigDecimal.ZERO); // 默认值为 0
                result.add(defaultRefund);
            }
        }

        return result;
    }


}