package com.cyksj.service.mange.group;

import cn.hutool.core.date.DateField;
import cn.hutool.core.date.DateUtil;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.cyksj.common.exception.BusinessRuntimeException;
import com.cyksj.mapper.GoodsDonSkuMapper;
import com.cyksj.mapper.GroupsMapper;
import com.cyksj.mapper.GroupsRelationMapper;
import com.cyksj.mapper.OrderDonMapper;
import com.cyksj.model.entity.GoodsDonSku;
import com.cyksj.model.entity.GroupsRelation;
import com.cyksj.model.entity.GroupsTrips;
import com.cyksj.model.entity.OrderDon;
import com.cyksj.service.mange.CmsGroupService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Optional;

/**
 * @author chan
 * @date 2022/9/27 6:27 PM
 */
@Slf4j
@Service
@RequiredArgsConstructor
public class CmsGroupServiceImpl extends ServiceImpl<GroupsMapper,GroupsTrips> implements CmsGroupService {

    private final GoodsDonSkuMapper skuMapper;

    private final GroupsRelationMapper relationMapper;

    private final OrderDonMapper orderDonMapper;


    @Override
    public GroupsTrips issuance(GroupsTrips groups) {
        GoodsDonSku sku = skuMapper.selectById(groups.getSkuId());
        if (sku == null) {
            throw new BusinessRuntimeException("该商品规格不存在！");
        }
        groups.setNum(sku.getNum());
        groups.setAvailableNum(sku.getNum());
        this.save(groups);

        for (Integer i = 1; i <= groups.getNum(); i++) {
            GroupsRelation relation = new GroupsRelation();
            relation.setGroupsId(groups.getId());
            relation.setStatus(GroupsRelation.Status.none);
            relation.setNum(i);
            relationMapper.insert(relation);
        }
        return groups;
    }

    @Override
    public void close(Long groupId) {
        GroupsTrips groupsTrips = this.getById(groupId);
        if(groupsTrips == null){
            throw new BusinessRuntimeException("非法参数.车队不存在");
        }
        Integer count = relationMapper.selectCount(Wrappers.lambdaQuery(GroupsRelation.class).in(GroupsRelation::getStatus, List.of(GroupsRelation.Status.locking, GroupsRelation.Status.validity)));
        if (count > 0) {
            throw new BusinessRuntimeException("该车队已有用户购买或锁定.无法删除");
        }else {
            relationMapper.delete(Wrappers.lambdaQuery(GroupsRelation.class).eq(GroupsRelation::getGroupsId,groupId));
            this.removeById(groupId);
        }
    }

    @Override
    @Transactional(rollbackFor = Throwable.class)
    public void setAccount(GroupsTrips groupsTrips) {
        int count = count(Wrappers.lambdaQuery(GroupsTrips.class).eq(GroupsTrips::getAccountId, groupsTrips.getAccountId()));
        if (count > 0) {
            throw new BusinessRuntimeException("该账号已发车.请选择未发车账户");
        }
        List<GroupsRelation> groupsRelations = relationMapper.selectList(Wrappers.lambdaQuery(GroupsRelation.class).eq(GroupsRelation::getGroupsId, groupsTrips.getId()).eq(GroupsRelation::getStatus, GroupsRelation.Status.validity));
       groupsRelations.forEach((relation)->{
           if (relation.getExpiryTime() == null) {
               List<OrderDon> orderDonList = orderDonMapper.selectList(Wrappers.lambdaQuery(OrderDon.class).eq(OrderDon::getUserId, relation.getUserId()).eq(OrderDon::getRelationId, relation.getId()).eq(OrderDon::getStatus, OrderDon.Status.hasPayment));
               orderDonList.forEach((orderDon)->{
                   //如果续费增加时间，如果首次则设置当前时间为初始时间
                   Date expiryTime = Optional.ofNullable(relation.getExpiryTime()).orElse(new Date());
                   log.info("设置账号，该用户 {} 初始时间:{} ",orderDon.getUserId(),DateUtil.format(expiryTime,"yyyy-MM-dd HH:mm:ss"));
                   GoodsDonSku donSku = skuMapper.selectById(getById(groupsTrips.getId()).getSkuId());

                   Date newDate = DateUtil.offset(expiryTime, DateField.MONTH, donSku.getMonths() * orderDon.getNum());
                   relation.setExpiryTime(newDate);
                   log.info("设置账号，该用户 {} 过期时间:{} ",orderDon.getUserId(),DateUtil.format(newDate,"yyyy-MM-dd HH:mm:ss"));
                   relation.setStartTime(relation.getStartTime() == null ? new Date() : null);
                   relationMapper.updateById(relation);
                   orderDon.setStatus(OrderDon.Status.complete);
                   orderDonMapper.updateById(orderDon);
               });
           }
       });
       groupsTrips.setStatus(GroupsTrips.Status.validity);
       updateById(groupsTrips);

    }

}