package cn.lili.modules.lmk.service.impl;

import cn.lili.base.Result;
import cn.lili.common.security.context.UserContext;
import cn.lili.common.utils.StringUtils;
import cn.lili.modules.lmk.domain.entity.Activity;
import cn.lili.modules.lmk.domain.entity.ActivityReport;
import cn.lili.modules.lmk.domain.form.ActivityReportForm;
import cn.lili.modules.lmk.domain.query.ActivityReportQuery;
import cn.lili.modules.lmk.domain.query.MyActivityQuery;
import cn.lili.modules.lmk.domain.vo.ActivityReportVO;
import cn.lili.modules.lmk.domain.vo.ActivityVO;
import cn.lili.modules.lmk.domain.vo.MyActivityVo;
import cn.lili.modules.lmk.mapper.ActivityMapper;
import cn.lili.modules.lmk.mapper.ActivityReportMapper;
import cn.lili.modules.lmk.service.MyActivityService;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
import com.baomidou.mybatisplus.extension.conditions.update.LambdaUpdateChainWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xkzhangsan.time.utils.StringUtil;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.util.Assert;

import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

@Service
@RequiredArgsConstructor
public class MyActivityServiceImpl extends ServiceImpl<ActivityMapper, Activity> implements MyActivityService {
    private final ActivityMapper activityMapper;

    private final ActivityReportMapper activityReportMapper;


    @Override
    public Result getMyActivityList(MyActivityQuery query) {
        String userId = UserContext.getCurrentUserId();
        List<MyActivityVo>  myActivityList = activityMapper.getMyActivityList(query,userId);

        return Result.ok().data(myActivityList);
    }

    @Override
    public Result activityCancel(String activityId) {
       //  TODO  判断是否在报名时间内 在的话可以取消报名， （若有报名费需要退款）
        //获得中间表信息
        ActivityReportVO vo = userReport(activityId);

        Activity activity = activityMapper.selectById(activityId);

        Date date = new Date();
        if(!date.before(activity.getReportStartTime()) && !date.after(activity.getReportEndTime())){

            boolean rowsAffected = new LambdaUpdateChainWrapper<ActivityReport>(activityReportMapper)
                    .eq(ActivityReport::getId, vo.getId())      // WHERE id = ?
                    .set(ActivityReport::getCancel, true)        // SET cancel = true
                    .update();                                   // 执行更新


            if (rowsAffected) {
                return Result.ok("活动取消成功");
            } else {
                // 可选：记录警告日志
                return Result.error("活动不存在或已取消");
            }
        }else {
            return Result.error("活动已不在报名时间内无法取消");
        }
    }

    @Override
    public Result activityReport(ActivityReportForm reportActivityForm) {
        //判断用户是否已经报名该活动
        ActivityReportVO reportVO = userReport(reportActivityForm.getActivityId());
        if (reportVO != null) {
            //判断是否已取消过该活动
            if (reportVO.getCancel()){
                //重新报名

                ActivityReport entity = ActivityReportForm.getEntityByForm(reportActivityForm, null);
                entity.setId(reportVO.getId());
                entity.setUserId(UserContext.getCurrentUserId());
                entity.setCancel(false);
                activityReportMapper.updateById(entity);
                return Result.ok("成功");
            }else {
                return Result.error("该活动已报名");
            }


        }
        ActivityReport entity = ActivityReportForm.getEntityByForm(reportActivityForm, null);
        entity.setUserId(UserContext.getCurrentUserId());
        activityReportMapper.insert(entity);
        return Result.ok("成功");
    }

    /**
     * 获得中间表信息通过activityId，userId
     * @param activityId 活动id
     * @return
     */
    @Override
    public ActivityReportVO userReport(String activityId){

        if (UserContext.getCurrentUserId() == null || UserContext.getCurrentUserId().isEmpty()){
            throw new RuntimeException("用户登录状态异常");
        }
        return activityReportMapper.getActivityReport(activityId,UserContext.getCurrentUserId());
    }

    @Override
    public Result detailByUsr(String activityId) {
        ActivityVO vo = baseMapper.getById(activityId);
        Assert.notNull(vo, "记录不存在");

        ActivityReportVO reportVO = userReport(activityId);

         ActivityReport activityReport =  new LambdaQueryChainWrapper<>(activityReportMapper)
                .eq(ActivityReport::getUserId, UserContext.getCurrentUserId())
                .eq(ActivityReport::getDeleteFlag,0)
                .eq(ActivityReport::getActivityId,activityId)
                .one();
        vo.setIsCollect(activityReport != null);
        //则当前用户未报名
        if (reportVO == null){
            vo.setIsReport(false);
        }else {
            //已取消则可以报名
            if (reportVO.getCancel()){
                vo.setIsReport(false);
            }else {
                vo.setIsReport(true);
            }

        }
        return Result.ok().data(vo);
    }



}