package com.stylefeng.guns.modular.system.service.impl;

import com.baomidou.mybatisplus.service.impl.ServiceImpl;
import com.stylefeng.guns.modular.system.dao.IntegralOrderMapper;
import com.stylefeng.guns.modular.system.model.IntegralGoods;
import com.stylefeng.guns.modular.system.model.IntegralOrder;
import com.stylefeng.guns.modular.system.model.UserInfo;
import com.stylefeng.guns.modular.system.service.IIntegralGoodsService;
import com.stylefeng.guns.modular.system.service.IIntegralOrderService;
import com.stylefeng.guns.modular.system.service.ISystemNoticeService;
import com.stylefeng.guns.modular.system.service.IUserInfoService;
import com.stylefeng.guns.modular.system.util.ResultUtil;
import com.stylefeng.guns.modular.taxi.service.ITransactionDetailsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.Date;
import java.util.List;
import java.util.Map;


@Service
public class IntegralOrderServiceImpl extends ServiceImpl<IntegralOrderMapper, IntegralOrder> implements IIntegralOrderService {

    @Resource
    private IntegralOrderMapper integralOrderMapper;

    @Autowired
    private IUserInfoService userInfoService;

    @Autowired
    private IIntegralGoodsService integralGoodsService;

    @Autowired
    private ISystemNoticeService systemNoticeService;

    @Autowired
    private ITransactionDetailsService transactionDetailsService;


    /**
     * 保存订单
     * @param integralOrder
     * @throws Exception
     */
    @Override
    public ResultUtil addIntegralOrder(IntegralOrder integralOrder, Integer uid) throws Exception {
        IntegralGoods integralGoods = integralGoodsService.selectById(integralOrder.getGoodsId());
        UserInfo userInfo = userInfoService.selectById(uid);
        if(integralGoods.getIntegral().compareTo(userInfo.getIntegral()) > 0){
            return ResultUtil.error("兑换失败，积分不足！");
        }
        integralOrder.setInsertTime(new Date());
        integralGoods.setIntegral(integralGoods.getIntegral());
        integralOrder.setNum(1);
        integralOrder.setState(1);
        integralOrder.setUserId(uid);
        this.insert(integralOrder);

        userInfo.setIntegral(userInfo.getIntegral() - integralGoods.getIntegral());
        userInfoService.updateById(userInfo);

        //添加消息
        systemNoticeService.addSystemNotice(1, "您使用" + integralGoods.getIntegral() + "积分成功兑换" + integralGoods.getName() + "商品！", uid, 1);
        //添加交易明细
        transactionDetailsService.saveData(uid, "积分兑换", integralGoods.getIntegral().doubleValue(), 2, 2, 1, 7, integralOrder.getId());
        return ResultUtil.success();
    }

    /**
     * 获取历史记录
     * @param pageNum
     * @param size
     * @param uid
     * @return
     * @throws Exception
     */
    @Override
    public List<Map<String, Object>> queryConvertHistory(Integer pageNum, Integer size, Integer uid) throws Exception {
        pageNum = (pageNum - 1) * size;
        return integralOrderMapper.queryConvertHistory(pageNum, size, uid);
    }
}