package com.dk.oauth.service.integral;

import com.dk.common.exception.BaseBusinessException;
import com.dk.common.infrastructure.annotaiton.Pagination;
import com.dk.common.infrastructure.constant.Constant;
import com.dk.common.infrastructure.enums.ErrorCodeEnum;
import com.dk.common.model.pojo.PageList;
import com.dk.common.response.ResponseResultUtil;
import com.dk.common.response.ResponseResultVO;
import com.dk.oauth.entity.UserLogin;
import com.dk.oauth.infrastructure.convert.integral.CouponReceiveConvert;
import com.dk.oauth.mapper.UserMapper;
import com.dk.oauth.mapper.integral.CouponMapper;
import com.dk.oauth.mapper.integral.CouponSendMapper;
import com.dk.oauth.mapper.integral.CouponUseMapper;
import com.dk.oauth.model.VO.integral.CouponReceiveVO;
import com.dk.oauth.model.VO.integral.CouponSendVO;
import com.dk.oauth.model.pojo.integral.CouponReceive;
import com.dk.oauth.mapper.integral.CouponReceiveMapper;
import com.dk.common.service.BaseService;
import com.dk.common.mapper.BaseMapper;
import com.dk.oauth.model.pojo.integral.CouponUse;
import com.dk.oauth.model.query.integral.CouponReceiveQuery;
import com.dk.oauth.model.query.integral.CouponSendQuery;
import com.dk.oauth.model.response.integral.CouponReceiveResponse;
import com.dk.oauth.model.response.integral.CouponResponse;
import com.dk.oauth.model.response.integral.CouponSendResponse;
import org.springframework.stereotype.Service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.util.List;

@Service
@Transactional
public class CouponReceiveService extends BaseService<CouponReceive> {

    @Override
    public BaseMapper<CouponReceive> getRepository() {
        return couponReceiveMapper;
    }

    @Autowired
    private CouponReceiveMapper couponReceiveMapper;

    @Autowired
    //优惠券获取转换类
    private CouponReceiveConvert couponReceiveConvert;

    @Autowired
    //优惠券发出
    private CouponSendMapper couponSendMapper;

    @Autowired
    //优惠券使用
    private CouponUseMapper couponUseMapper;

    @Autowired
    //优惠券
    private CouponMapper couponMapper;

    @Autowired
    private UserMapper userMapper;


    /**
     * @desc : 条件查询
     * @date : 2024/7/26 11:07
     * @author : 寇珊珊
     */
    @Pagination
    public ResponseResultVO<PageList<CouponReceiveResponse>> selectByCond(CouponReceiveQuery couponReceiveQuery) {
        return super.mergeListWithCount(couponReceiveQuery, couponReceiveMapper.selectByCond(couponReceiveQuery),
                couponReceiveMapper.countByCond(couponReceiveQuery));
    }

    /**
     * @desc : 新建
     * @date : 2024/7/26 11:08
     * @author : 寇珊珊
     */
    @Transactional(rollbackFor = {Exception.class})
    public ResponseResultVO<?> insert(CouponReceiveVO couponReceiveVO) {

        // 限制助力链接发出本人不可给自己助力  2024/08/01 刘尧
        UserLogin userLogin = userMapper.selectById(couponReceiveVO.getUserIdForm());

        if (userLogin.getUserWxid().equals(couponReceiveVO.getUserWxid())){
            //助力链接发出者不能为自己助力
            throw new BaseBusinessException(ErrorCodeEnum.USER_POWER_OWN.getCode(), ErrorCodeEnum.USER_POWER_OWN.getMessage());
        }

        //region 查询7日内已进行过优惠券助力
        List<CouponReceiveResponse> couponReceiveResponses = couponReceiveMapper.selectByCond(new CouponReceiveQuery().setUserWxid(couponReceiveVO.getUserWxid()).setAssistFlag(true));
        if (couponReceiveResponses != null && couponReceiveResponses.size() > 0) {
            //近期己助力过
            throw new BaseBusinessException(ErrorCodeEnum.I_HAVE_RECENTLY_PROVIDED_ASSISTANCE.getCode(), ErrorCodeEnum.I_HAVE_RECENTLY_PROVIDED_ASSISTANCE.getMessage());
        }
        //endregion

        //region 7日内没有进行过助力
        else {

            //region 查询发出优惠券所需助力人数
            CouponSendResponse couponSendResponse = couponSendMapper.selectById(couponReceiveVO.getSendId());
            Integer userNum = couponSendResponse.getUserNum();
            //endregion

            //region 查询优惠券获取对应的优惠券发出已有多少人助力
            Long count = couponReceiveMapper.countByCond(new CouponReceiveQuery().setSendId(couponReceiveVO.getSendId()));
            //endregion

            //region 当前优惠券获取个数 小于 优惠券发出所需助力人数
            if (count < Long.valueOf(userNum)) {
                //region 新建
                couponReceiveVO.setAssistDate(LocalDateTime.now());
                CouponReceive couponReceive = couponReceiveConvert.convertToPo(couponReceiveVO);
                couponReceiveMapper.insert(couponReceive);
                //endregion

                //region 是否新建优惠券使用
                //新建之后再查一遍 查询优惠券获取对应的优惠券发出已有多少人助力
                Long addAfterCount = couponReceiveMapper.countByCond(new CouponReceiveQuery().setSendId(couponReceiveVO.getSendId()));
                //当前优惠券获取个数等于优惠券发出所需助力人数
                if (addAfterCount == Long.valueOf(userNum)) {

                    //region 新建优惠券使用  状态未使用
                    CouponUse couponUse = new CouponUse();
                    //公司id
                    couponUse.setCpId(couponReceiveVO.getCpId());
                    //优惠券发出id
                    couponUse.setSendId(couponSendResponse.getSendId());
                    //优惠券id
                    couponUse.setCouponId(couponSendResponse.getCouponId());
                    //使用有效期
                    CouponResponse couponResponse = couponMapper.selectById(couponSendResponse.getCouponId());
                    couponUse.setUseValidDays(couponResponse.getUseValidDays());
                    //获取日期
                    couponUse.setReceiveDate(LocalDate.now());
                    //优惠券状态
                    couponUse.setCouponStatus(Constant.couponStatus.WEI_SHI_YONG.getName());
                    //获取用户
                    couponUse.setReceiveUser(couponReceiveVO.getReceiveUser());
                    couponUseMapper.insert(couponUse);
                    //endregion

                }
                //endregion
            }
            //endregion

            //region 当前优惠券获取个数 大于等于 优惠券发出所需助力人数
            else if (count >= Long.valueOf(userNum)) {
                //所需助力人数已满
                throw new BaseBusinessException(ErrorCodeEnum.THE_REQUIRED_NUMBER_OF_HELPERS_IS_FULL.getCode(), ErrorCodeEnum.THE_REQUIRED_NUMBER_OF_HELPERS_IS_FULL.getMessage());
            }
            //endregion

        }
        //endregion

        return ResponseResultUtil.success();
    }


}