package com.ruoyi.vehicle.service.impl;

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.vehicle.mapper.FuelCardMapper;
import com.ruoyi.vehicle.mapper.FuelCardRechargeMapper;
import com.ruoyi.vehicle.pojo.FuelCard;
import com.ruoyi.vehicle.pojo.FuelCardRecharge;
import com.ruoyi.vehicle.service.IFuelCardRechargeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

@Service
public class FuelCardRechargeServiceImpl extends ServiceImpl<FuelCardRechargeMapper, FuelCardRecharge> implements IFuelCardRechargeService {

    @Autowired
    private FuelCardMapper fuelCardMapper;

    @Override
    public IPage<FuelCardRecharge> selectRechargePage(Page<FuelCardRecharge> page, Long cardId) {
        return baseMapper.selectRechargePage(page, cardId);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void addRecharge(FuelCardRecharge recharge) {
        // 保存充值记录
        recharge.setDelFlag("0");
        this.save(recharge);
        
        // 更新加油卡余额
        FuelCard card = fuelCardMapper.selectById(recharge.getCardId());
        if (card != null && card.getCurrentBalance() != null) {
            card.setCurrentBalance(card.getCurrentBalance().add(recharge.getRechargeAmount()));
            fuelCardMapper.updateById(card);
        }
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void deleteRecharge(Long id) {
        FuelCardRecharge recharge = this.getById(id);
        if (recharge != null && "0".equals(recharge.getDelFlag())) {
            // 逻辑删除
            recharge.setDelFlag("2");
            this.updateById(recharge);
            
            // 扣回余额
            FuelCard card = fuelCardMapper.selectById(recharge.getCardId());
            if (card != null && card.getCurrentBalance() != null) {
                card.setCurrentBalance(card.getCurrentBalance().subtract(recharge.getRechargeAmount()));
                fuelCardMapper.updateById(card);
            }
        }
    }
}