package com.tanpu.community.manager;

import com.tanpu.common.auth.UserHolder;
import com.tanpu.common.exception.BizException;
import com.tanpu.community.api.beans.qo.TopicRankQo;
import com.tanpu.community.api.beans.req.page.Page;
import com.tanpu.community.api.beans.req.topic.TopicSearchReq;
import com.tanpu.community.api.beans.vo.TopicDataAnalysDTO;
import com.tanpu.community.api.constants.RedisKeyConstant;
import com.tanpu.community.api.enums.CollectionTypeEnum;
import com.tanpu.community.api.enums.VisitTypeEnum;
import com.tanpu.community.dao.entity.community.TopicEntity;
import com.tanpu.community.service.*;
import com.tanpu.community.util.PageUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

@Service
public class TopicManager {

    @Autowired
    private TopicService topicService;

    @Autowired
    private RedisService redisService;

    @Autowired
    private ThemeService themeService;

    @Autowired
    private CollectionService collectionService;

    @Autowired
    private CommentService commentService;

    @Autowired
    private VisitSummaryService visitSummaryService;
    @Autowired
    private RankService rankService;

    @Resource
    private UserHolder userHolder;

    //新增话题
    public void insertTopic(String topicTitle, String userId) {
        if (topicService.queryByTitile(topicTitle) == null) {
            throw new BizException("话题名称已存在:" + topicTitle);
        }
        topicService.addTopic(topicTitle, userId);

    }

    //首页-话题标签
    public List<TopicRankQo> getTop4TopicTitles() {
        return rankService.getRankTopicListTop4();
    }


    //话题搜索列表
    public Page<TopicRankQo> getAllTopicBriefInfo(TopicSearchReq req) {
        return PageUtils.page(req.getPage(), rankService.getRankTopicList());
    }

    //话题详情页
    public TopicRankQo getDetail(String topicId) {
        //话题详情
        visitSummaryService.addPageView(userHolder.getUserId(), topicId, VisitTypeEnum.TOPIC_PAGE_VIEW);
        return rankService.getTopicDetail(topicId);
    }


    public void refreshRedisCache() {
        List<TopicEntity> topicEntities = topicService.queryAll();
        for (TopicEntity topic : topicEntities) {
            String topicId = topic.getTopicId();
            Long viewCountModify = topic.getViewCntAdjust();
            List<String> themeIds = themeService.queryThemeIdsByTopic(topicId);
            Integer likeCountByThemeIds = collectionService.getCountByTypeAndIds(themeIds, CollectionTypeEnum.LIKE_THEME);
            Integer bookCountByThemeIds = collectionService.getCountByTypeAndIds(themeIds, CollectionTypeEnum.COLLECT_THEME);
            Long commentCountByThemeIds = (long) commentService.getCommentCountByThemeIds(themeIds);
            Set<String> postUsers = themeService.getPostUserCount(themeIds);
            Set<String> commentUsers = commentService.getCommentUserCount(themeIds);
            HashSet<String> totalUsers = new HashSet<>(postUsers);
            totalUsers.addAll(commentUsers);
            redisService.set(RedisKeyConstant.TOPIC_LIKE_COUNT_ + topicId, likeCountByThemeIds);
            redisService.set(RedisKeyConstant.TOPIC_BOOK_COUNT_ + topicId, bookCountByThemeIds);
            redisService.set(RedisKeyConstant.TOPIC_COMMENT_COUNT_ + topicId, commentCountByThemeIds);


            redisService.set(RedisKeyConstant.TOPIC_TOTAL_VIEW_COUNT_ + topicId, commentCountByThemeIds + themeIds.size());
            redisService.set(RedisKeyConstant.TOPIC_THEME_COUNT_ + topicId, commentCountByThemeIds + themeIds.size());
            redisService.set(RedisKeyConstant.TOPIC_DISCUSS_COUNT_ + topicId, commentCountByThemeIds + themeIds.size());
            redisService.set(RedisKeyConstant.TOPIC_POST_USER_COUNT_ + topicId, (long) postUsers.size());
            redisService.set(RedisKeyConstant.TOPIC_COMMENT_USER_COUNT_ + topicId, (long) commentUsers.size());
            redisService.set(RedisKeyConstant.TOPIC_TOTAL_USER_COUNT_ + topicId, (long) totalUsers.size());


        }

    }

    //返回数据分析
    public TopicDataAnalysDTO queryDataAnalysis(String topicId) {
        TopicDataAnalysDTO topicDataAnalysDTO = new TopicDataAnalysDTO();
        TopicEntity topicEntity = topicService.queryById(topicId);
        if (topicEntity == null) {
            throw new BizException("话题未找到，id：" + topicId);
        }
        this.refreshRedisCache();
        topicDataAnalysDTO.setId(topicId);
        topicDataAnalysDTO.setTopicTitle(topicEntity.getTopicTitle());
        topicDataAnalysDTO.setCommentCount(redisService.getInteger(RedisKeyConstant.TOPIC_COMMENT_COUNT_ + topicId));
        topicDataAnalysDTO.setPosterCount(redisService.getInteger(RedisKeyConstant.TOPIC_POST_USER_COUNT_ + topicId));
        topicDataAnalysDTO.setReplIierCount(redisService.getInteger(RedisKeyConstant.TOPIC_COMMENT_USER_COUNT_ + topicId));
        topicDataAnalysDTO.setThemeCount(redisService.getInteger(RedisKeyConstant.TOPIC_THEME_COUNT_ + topicId));
        topicDataAnalysDTO.setUserTotalCount(redisService.getInteger(RedisKeyConstant.TOPIC_TOTAL_USER_COUNT_ + topicId));
        topicDataAnalysDTO.setViewTotalCount(redisService.getInteger(RedisKeyConstant.TOPIC_TOTAL_VIEW_COUNT_ + topicId));
        topicDataAnalysDTO.setViewPageCount(redisService.getInteger(RedisKeyConstant.TOPIC_PAGE_VIEW_COUNT_ + topicId));
        return topicDataAnalysDTO;
    }
}