package org.dromara.app;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.wzj.soopin.content.domain.bo.*;
import com.wzj.soopin.content.domain.po.MyLikedVlog;
import com.wzj.soopin.content.domain.po.Vlog;
import com.wzj.soopin.content.domain.vo.IndexVlogVO;
import com.wzj.soopin.content.service.VlogService;
import com.wzj.soopin.content.service.VlogUploadService;
import com.wzj.soopin.content.utils.PagedGridResult;
import com.wzj.soopin.content.utils.QcCloud;
import com.wzj.soopin.content.utils.RedisOperator;
import io.swagger.annotations.Api;
import io.swagger.v3.oas.annotations.tags.Tag;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.dromara.common.core.domain.R;
import org.dromara.common.core.domain.model.LoginUser;
import org.dromara.common.core.exception.ServiceException;
import org.dromara.common.mq.domain.MQMessage;
import org.dromara.common.mq.enums.MQMessageType;
import org.dromara.common.mq.enums.MessageActionEnum;
import org.dromara.common.mq.utils.MqUtil;
import org.dromara.common.satoken.utils.LoginHelper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static com.wzj.soopin.content.domain.base.BaseInfoProperties.*;


@Slf4j
@Api(tags = "VlogController 短视频相关业务功能的接口")
@RequestMapping("/app/vlog")
@RestController
public class AppVlogController {
    @Autowired
    private VlogService vlogService;
    @Autowired
    private QcCloud qcCloud;
    @Autowired
    private VlogUploadService vlogUploadService;
    @Autowired

    public RedisOperator redis;
    @Tag(name = "首页视频列表")
    @PostMapping("/indexList")
    public R<Page<IndexVlogVO>> indexList(@RequestBody IndexListBO bo, @RequestBody Page page) {

        try{
            LoginUser loginUser = LoginHelper.getLoginUser();
            if (loginUser == null) {
                throw new ServiceException("用户未登录");
            }
            bo.setUserId(String.valueOf(loginUser.getUserId()));
        }catch (Exception e){
            log.error("用户没登陆", e);
        }
        Page<IndexVlogVO> pages = vlogService.getIndexVlogList(bo, page);
        return R.ok(pages);
    }
    @GetMapping("/detail/{vlogId}")
    public R<Object> detail( @PathVariable String vlogId) {

        return R.ok(vlogService.getVlogDetailById(vlogId));
    }


    @Tag(name = "我的私密视频列表")
    @PostMapping("/myPrivateList")
    public R<Page<IndexVlogVO>> myPrivateList(@RequestBody MyListBO bo, @RequestBody Page page) {
        LoginUser loginUser = LoginHelper.getLoginUser();
        if (loginUser == null) {
            throw new ServiceException("用户未登录");
        }
        bo.setUserId(String.valueOf(loginUser.getUserId()));
        Page<IndexVlogVO> pages = vlogService.queryMyVlogList(bo, page);
        return R.ok(pages);
    }

    @Tag(name = "我点赞的视频列表")
    @PostMapping("/myLikedList")
    public R<Page<IndexVlogVO>> myLikedList(@RequestBody MyLikedVlogBO bo, @RequestBody Page page) {

        Page<IndexVlogVO> pages = vlogService.getMyLikedVlogList(page);
        return R.ok(pages);
    }

    @Tag(name = "我关注的人的视频列表")
    @PostMapping("/followList")
    public R<Page<IndexVlogVO>> followList(@RequestBody SimpleListBO bo, @RequestBody Page page) {
        LoginUser loginUser = LoginHelper.getLoginUser();
        if (loginUser == null) {
            throw new ServiceException("用户未登录");
        }
        bo.setMyId(String.valueOf(loginUser.getUserId()));
        Page<IndexVlogVO> pages = vlogService.getMyFollowVlogList( page);
        return R.ok(pages);
    }

    @Tag(name = "好友视频列表")
    @PostMapping("/friendList")
    public R<Page<IndexVlogVO>> friendList(@RequestBody SimpleListBO bo, @RequestBody Page page) {
        LoginUser loginUser = LoginHelper.getLoginUser();
        if (loginUser == null) {
            throw new ServiceException("用户未登录");
        }
        bo.setMyId(String.valueOf(loginUser.getUserId()));
        Page<IndexVlogVO> pages = vlogService.getMyFriendVlogList( page);
        return R.ok(pages);
    }
    @PostMapping("publish")
    public R<Void> publish(@RequestBody VlogBO vlogBO) throws Exception {


        LoginUser loginUser = LoginHelper.getLoginUser();
        if (loginUser == null) {
            throw new ServiceException("用户未登录");
        }
        vlogBO.setVlogerId(String.valueOf(loginUser.getUserId()));


        String url = vlogBO.getUrl();
        log.info("未审核视频地址:"+url);
        String fileName = url.substring(url.lastIndexOf("/") + 1);
        log.info("视频文件名称:"+fileName);
        log.info("开始上传腾讯云点播:"+fileName);
        String fileId = qcCloud.uploadViaTempFile(fileName);
        log.info("视频发布ID:"+fileId);
        vlogBO.setFileId(fileId);
        // 删除minio文件
//        MinIOUtils.removeFile(minIOConfig.getBucketName(),fileName);
//        log.info("删除minio文件："+fileName);

        // FIXME 校验VlogBO
        vlogService.createVlog(vlogBO);

        return R.ok();
    }
    @Tag(name = "我的公开视频列表")
    @PostMapping("/myPublicList")
    public R<Page<IndexVlogVO>> myPublicList(@RequestBody MyListBO bo, @RequestBody Page page) {
        Page<IndexVlogVO> pages = vlogService.queryMyVlogList(bo, page);
        return R.ok(pages);
    }



    private Integer nacosConuts=0;


    @PostMapping("like")
    public R<Void> like(@RequestBody VlogBO vlogBO) {
        LoginUser loginUser = LoginHelper.getLoginUser();
        if (loginUser == null) {
            throw new ServiceException("用户未登录");
        }

        String userId = String.valueOf(loginUser.getUserId());
        String vlogId = vlogBO.getId();


        //获取vlog
        Vlog vlog = vlogService.getVlog(vlogId);
        if(vlog==null){
            throw new ServiceException("视频不存在");
        }
        // 我点赞的视频，关联关系保存到数据库
        vlogService.userLikeVlog(userId, vlogId);

        // 点赞后，视频和视频发布者的获赞都会 +1
        redis.increment(REDIS_VLOGER_BE_LIKED_COUNTS + ":" + vlog.getMemberId(), 1);
        redis.increment(REDIS_VLOG_BE_LIKED_COUNTS + ":" + vlogId, 1);

        // 我点赞的视频，需要在redis中保存关联关系
        redis.set(REDIS_USER_LIKE_VLOG + ":" + userId + ":" + vlogId, "1");

        log.info("nacosConuts="+nacosConuts);

        String countsStr = redis.get(REDIS_VLOG_BE_LIKED_COUNTS + ":" + vlogId);
        Integer counts=0;
        if (StringUtils.isNotBlank(countsStr)){

            counts=Integer.valueOf(countsStr);
            if (counts>=nacosConuts){

                vlogService.flushCounts(vlogId, counts);
            }
        }
        if (userId != null &&  vlog.getMemberId() != null && !userId.equals(vlog.getMemberId())) {
            // 新版：使用模板类型编号和参数
            Map<String, Object> params = new HashMap<>();
            params.put("userId",  userId);
            params.put("nickname", loginUser.getNickname());
            params.put("action", MessageActionEnum.INTERACTION_LIKE.name());
            params.put("toUserId",vlog.getMemberId());
            MQMessage message = MQMessage.builder()
                .messageType(MQMessageType.IM.name())
                .data(params)
                .source("member")
                .build();
            // 关注消息
            MqUtil.sendIMMessage(message);

        }

        return R.ok();
    }


    @PostMapping("unlike")
    public R<Void> unlike(@RequestBody Map<String, String> params) {
        LoginUser loginUser = LoginHelper.getLoginUser();
        if (loginUser == null) {
            throw new ServiceException("用户未登录");
        }

        String userId = String.valueOf(loginUser.getUserId());
        String vlogId = params.get("vlogId");

        //获取vlog
        Vlog vlog = vlogService.getVlog(vlogId);
        if(vlog==null){
            throw new ServiceException("视频不存在");
        }

        // 我取消点赞的视频，关联关系删除
        vlogService.userUnLikeVlog(userId, vlogId);

        redis.decrement(REDIS_VLOGER_BE_LIKED_COUNTS + ":" + vlog.getMemberId(), 1);
        redis.decrement(REDIS_VLOG_BE_LIKED_COUNTS + ":" + vlogId, 1);
        redis.del(REDIS_USER_LIKE_VLOG + ":" + userId + ":" + vlogId);

        return R.ok();
    }
    @Tag(name = "手动触发缓存点赞最多视频")
    @PostMapping("/cacheTopLikedVlogs")
    public R<Void> cacheTopLikedVlogs(@RequestParam(defaultValue = "100") int limit) {
        try {
            vlogService.cacheTopLikedVlogs(limit);
            return R.ok();
        } catch (Exception e) {
            log.error("手动触发缓存点赞最多视频失败", e);
            return R.fail("缓存失败: " + e.getMessage());
        }
    }

    @Tag(name = "获取缓存中的点赞最多视频")
    @GetMapping("/getTopLikedVlogs")
    public R<Object> getTopLikedVlogs(@RequestParam(defaultValue = "") String date,
                                      @RequestParam(defaultValue = "10") int pageSize,
                                      @RequestParam(defaultValue = "0") int pageNum) {
        try {
            String redisKey;
            if (StringUtils.isBlank(date)) {
                // 如果没有指定日期，使用今天的日期
                redisKey = "top_liked_vlogs:" + java.time.LocalDateTime.now().format(java.time.format.DateTimeFormatter.ofPattern("yyyy-MM-dd"));
            } else {
                redisKey = "top_liked_vlogs:" + date;
            }

            String cachedData = redis.get(redisKey);
            List<Map<String, Object>> resultList = new ArrayList<>();

            if (StringUtils.isNotBlank(cachedData)) {
                // 解析JSON数据
                ObjectMapper objectMapper = new ObjectMapper();
                List<Map<String, Object>> vlogList = objectMapper.readValue(cachedData, new com.fasterxml.jackson.core.type.TypeReference<List<Map<String, Object>>>() {});

                // 计算分页
                int startIndex = pageNum * pageSize;
                int endIndex = Math.min(startIndex + pageSize, vlogList.size());

                if (startIndex < vlogList.size()) {
                    // 从Redis缓存中获取指定页的数据
                    resultList = vlogList.subList(startIndex, endIndex);
                    log.info("从Redis缓存中获取了{}条视频数据", resultList.size());
                }
            }

            // 如果Redis中的数据不足，从数据库随机查询补充
            if (resultList.size() < pageSize) {
                int needMore = pageSize - resultList.size();
                log.info("Redis缓存数据不足，需要从数据库随机查询{}条视频", needMore);

                // 从数据库随机查询视频
                List<Map<String, Object>> randomVlogs = vlogService.getRandomVlogs(needMore);
                resultList.addAll(randomVlogs);
                log.info("从数据库随机查询了{}条视频", randomVlogs.size());
            }

            return R.ok(resultList);
        } catch (Exception e) {
            log.error("获取缓存中的点赞最多视频失败", e);
            return R.fail("获取缓存失败: " + e.getMessage());
        }
    }
}