'use client';
import React, {useEffect, useRef, useState} from 'react';
import {Image} from "primereact/image";
import {Button} from "primereact/button";
import {Avatar} from "primereact/avatar";
import {ButtonGroup} from "primereact/buttongroup";
import {InputText} from "primereact/inputtext";
import { Dialog } from 'primereact/dialog';
// 引入图标
import 'primeicons/primeicons.css';
// 引入火苗图标
import Fire from '@icon-park/react/lib/icons/Fire';
import SmilingFace from '@icon-park/react/lib/icons/SmilingFace';
// 消息提醒
import { Toast } from 'primereact/toast';
// 接口传输
import axios from "axios";
// 页面跳转
import { useParams } from 'next/navigation'
import { useRouter } from 'next/navigation';
import Link from 'next/link';
// 回复评论
import { OverlayPanel } from 'primereact/overlaypanel';
import { Sidebar } from 'primereact/sidebar';
// 分页
import { Paginator, PaginatorPageChangeEvent } from 'primereact/paginator';

// 样式
import './resource-detail.scss';

// 种子
interface Torrent {
  torrentRecordId:  number;
  torrentUrl: string;
  infoHash:  string;
  uploadTime:  string;
  uploaderUserId:  number;
}

// 资源版本
interface ResourceVersion {
  resourceVersionId:  string; // 资源版本id
  resourceVersionName: string; // 资源版本名称
  compatibleVersions: string[]; // 兼容的游戏版本列表
  torrentList: Torrent[]; // 种子列表
}

// 资源信息
interface Resource {
  resourceId:  number;
  resourceName: string;   // 资源标题
  resourcePicture:  string;   // 资源照片网址
  resourceSummary: string;    // 资源简介（一句话）
  resourceDetail:  string;    // 资源介绍
  uploadTime:  string;     // 上传时间
  lastUpdateTime: string;     // 最近更新时间
  price:  number;
  downloads: number;  // 下载数
  likes:  number;  // 点赞数
  collections:   number;   // 收藏数
  comments:  number;   // 评论数
  seeds:   number;    // 种子数
  classify:  string;  // 资源分类(材质包：resourcePack,模组：mod,整合包：modPack ,地图：map
  hot: number;     // 资源热度
  gameplayList: string[];  // 资源标签
  resourceVersionList:  ResourceVersion[];     // 资源版本列表
  isCollect:  boolean;     // 是否被收藏
  isLike:  boolean;   // 是否被点赞
  isPurchase:  boolean;   // 是否被购买
  isUpload:  boolean;     // 是否是该用户上传的
  userId: number;     // 资源上传者的id
}

// 评论信息
interface Comment {
  commentId: number;
  userId: number | null;
  replyId: number;
  resourceId: number;
  reawardId: number;
  content: string;
  createAt: string;
}
// 评论列表
interface CommentList {
  total: number;         // 评论总数
  records: Comment[];      // 当前页评论数组
}

// 用户信息
interface UserInfo {
  userId: number;
  username: string;
  avatar: string;
  signature: string;
}
// 新评论接口
interface NewComment {
  userId: number;
  threadId: number;
  resourceId: number;
  rewardId: number;
  replyId: number;
  content: string;
  createAt: string;
}

// 资源作者
interface ResourceAuthor {
  userId: number;
  username: string;
  avatar: string;
  signature: string;
}

// 关注
interface Subscriber {
  userId: number;
  username:  string;
}

// 关注列表
interface SubscriberList {
  userList: Subscriber[];
}

export default function ResourceDetail() {
  // 获取URL参数
  const params = useParams<{ resourceId: string }>();
  const resourceId = decodeURIComponent(params.resourceId); // 防止中文路径乱码
  // 页面跳转
  const router = useRouter();

  // 资源信息
  const [resource, setResource] = useState<Resource | null>(null);
  // 资源作者信息
  const [resourceAuthor, setResourceAuthor] = useState<ResourceAuthor>();
  // 资源作者id
  const [resourceAuthorId, setResourceAuthorId] = useState<number>(0);
  // 关注列表
  const [subscriberList, setSubscriberList] = useState<SubscriberList>();
  // 添加本地关注状态
  const [isSubscribed, setIsSubscribed] = useState(false);
  // 添加本地收藏状态
  const [isCollected, setIsCollected] = useState(false);
  const [collectionCount, setCollectionCount] = useState(0);
  // 添加本地点赞状态
  const [isLiked, setIsLiked] = useState(false);
  const [likeCount, setLikeCount] = useState(0);
  // 发帖人信息
  const [userInfo, setUserInfo] = useState<UserInfo | null>(null);
  // 评论人信息
  const [commentUserInfos, setCommentUserInfos] = useState<Map<number, UserInfo>>(new Map());
  //评论
  const [comments, setComments] = useState<Comment[]>([]);
  const [commentValue, setCommentValue] = useState<string>('');
  const [totalComments, setTotalComments] = useState<number>(0);
  // 回复
  const [replyValue, setReplyValue] = useState<string>('');
  const [visibleReply, setVisibleReply] = useState<boolean>(false);// 回复评论可视
  // 评论选择框
  const ops = useRef<OverlayPanel[]>([]);
  // 购买弹窗状态
  const [visible, setVisible] = useState<boolean>(false);
  // 消息提醒
  const toast = useRef<Toast>(null);

  // 分页
  const [first, setFirst] = useState<number>(0);
  const [rows, setRows] = useState<number>(5);
  const onPageChange = (event: PaginatorPageChangeEvent) => {
    setFirst(event.first);
    setRows(event.rows);
  };

  useEffect(() => {
    fetchResourceInfo();
  }, []);


  // 获取资源信息
  const fetchResourceInfo = async () => {
    try {
      // console.log(resourceId);
      const response = await axios.get<Resource>(process.env.PUBLIC_URL +`/resource/info`, {
        params: { resourceId: resourceId, userId: 22301010 }
      });
      console.log('获取资源信息：', response.data);
      setResource(response.data);

      // 初始化本地收藏状态
      if (response.data) {
        setIsCollected(response.data.isCollect);
        setCollectionCount(response.data.collections);
      }

      setResourceAuthorId(response.data.userId);
    } catch (err) {
      console.error('获取资源信息失败', err);
      toast.current?.show({ severity: 'error', summary: 'error', detail: "获取资源信息失败" });
    }
  };

  // 获取到资源作者id时，获取资源作者信息
  useEffect(() => {
    fetchResourceAuthor();
  }, [resourceAuthorId]);

  // 获取资源作者信息
  const fetchResourceAuthor = async () => {
    try {
      // console.log(resourceId);
      // console.log(resourceAuthorId);
      const response = await axios.get<ResourceAuthor>(process.env.PUBLIC_URL +`/user/info`, {
        params: { userId: resourceAuthorId }
      });
      console.log('获取资源作者信息：', response.data);
      setResourceAuthor(response.data);
      // setResourceAuthorId(response.data.userId);
    } catch (err) {
      console.error('获取资源作者信息失败', err);
      toast.current?.show({ severity: 'error', summary: 'error', detail: "获取资源作者信息失败" });
    }
  };

  useEffect(() => {
    fetchSubscriber();
  }, []);

  // 获取正在浏览资源的用户的关注列表
  const fetchSubscriber = async () => {
    try {
      const response = await axios.get<SubscriberList>(process.env.PUBLIC_URL + `/user/subscriber`, {
        params: {userId: 223010100}
      });
      console.log("关注列表：", response.data);
      setSubscriberList(response.data);
    } catch (err) {
      console.error('获取浏览用户关注列表失败', err);
      toast.current?.show({ severity: 'error', summary: 'error', detail: "获取浏览用户关注列表失败" });
    }
  }

  useEffect(() => {
    if (!resource?.userId || !subscriberList?.userList) return;

    const authorId = resource.userId;
    // 设置 isSubscribed 状态
    const subscribed = subscriberList.userList.some(user => user.userId === authorId);
    setIsSubscribed(subscribed);
  }, [subscriberList, resource]);

  // 若浏览用户与资源作者是同一人，则不显示关注按钮。若不是同一人，则显示按钮
  const handleSubscribe = () => {
    // 资源作者 ID
    const authorId = resource?.userId;
    // 当前登录用户 ID
    const currentUserId = 223010100;

    // 资源作者与浏览用户是同一人，不显示按钮
    if (!authorId || authorId == currentUserId){
      return null;
    }

    return isSubscribed ? (
        // 如果已关注，显示“取消关注”按钮
        <Button
            label="取消关注"
            onClick={async () => {
              try {
                const response = await axios.delete(
                    process.env.PUBLIC_URL + '/user/subscription',
                    {
                      params: { userId: currentUserId, followerId: authorId }
                    }
                );

                if (response.status === 200) {
                  setIsSubscribed(false); // 🔥立刻更新按钮状态
                  toast.current?.show({
                    severity: 'success',
                    summary: '取消成功',
                    detail: '已取消关注该用户',
                  });

                  fetchSubscriber(); // 重新拉取完整关注列表
                }
              } catch (error) {
                console.error('取消关注失败:', error);
                toast.current?.show({
                  severity: 'error',
                  summary: '错误',
                  detail: '取消关注失败',
                });
              }
            }}
        />
    ) : (
        // 若未关注，则显示关注按钮
        <Button
            label="关注"
            onClick={async () => {
              try {
                const postData = {
                  userId: currentUserId,
                  followerId: authorId,
                };
                const response = await axios.post(
                    process.env.PUBLIC_URL + '/user/subscription',
                    postData
                );

                if (response.status === 200) {
                  setIsSubscribed(true);  // 🔥立刻更新按钮状态
                  toast.current?.show({
                    severity: 'success',
                    summary: '关注成功',
                    detail: '已成功关注该用户',
                  });

                  fetchSubscriber(); // 刷新列表
                }
              } catch (error) {
                console.error('关注失败:', error);
                toast.current?.show({
                  severity: 'error',
                  summary: '错误',
                  detail: '关注失败',
                });
              }
            }}
        />
    );


    // if (isSubscribed) {
    //     return (
    //         <Button
    //             label="取消关注"
    //             onClick={async () => {
    //                 try {
    //                     const response = await axios.delete(
    //                         process.env.PUBLIC_URL + '/user/subscription', {
    //                             params: {userId: currentUserId, followerId: authorId}
    //                         }
    //                     );
    //
    //                     if (response.status === 200) {
    //                         toast.current?.show({
    //                             severity: 'success',
    //                             summary: '取消成功',
    //                             detail: '已取消关注该用户',
    //                         });
    //                         // 重新拉取关注列表
    //                         fetchSubscriber();
    //                     }
    //                 } catch (error) {
    //                     console.error('取消关注失败:', error);
    //                     toast.current?.show({
    //                         severity: 'error',
    //                         summary: '错误',
    //                         detail: '取消关注失败',
    //                     });
    //                 }
    //             }}
    //         />
    //     );
    // } else {
    //     // 未关注，显示“关注”按钮
    //     return (
    //         <Button
    //             label="关注"
    //             onClick={async () => {
    //                 try {
    //                     const postData = {
    //                         userId: currentUserId,
    //                         followerId: authorId,
    //                     };
    //                     const response = await axios.post(
    //                         process.env.PUBLIC_URL + '/user/subscription',
    //                         postData
    //                     );
    //
    //                     if (response.status === 200) {
    //                         toast.current?.show({
    //                             severity: 'success',
    //                             summary: '关注成功',
    //                             detail: '已成功关注该用户',
    //                         });
    //                         // 重新拉取关注列表
    //                         fetchSubscriber();
    //                     }
    //                 } catch (error) {
    //                     console.error('关注失败:', error);
    //                     toast.current?.show({
    //                         severity: 'error',
    //                         summary: '错误',
    //                         detail: '关注失败',
    //                     });
    //                 }
    //             }}
    //         />
    //     );
    // }
  }

  // 判断该资源是否已被购买， 返回不同的购买按钮
  const isPurchase = () => {
    // 作者本人查看资源，不显示购买按钮
    if (resource?.userId == 223010100) {
      return ;
    }

    // 该资源已被购买
    if (resource?.isPurchase) {
      return (
          <Button label="已购买" style={{width:"120px", height:"44px",
            borderRadius:"20px 0 0 20px",}} disabled={true}/>
      )
    } else {
      // 该资源未被购买
      return (
          <Button
              label="立即购买"
              style={{width:"120px", height:"44px",
                borderRadius:"20px 0 0 20px",}}
              onClick={() => setVisible(true)}
          />
      )
    }
  }

  // 购买按钮接口
  const handlePurchase = async () => {
    try {
      const postData = {
        userId: 223010100, // 记得用户登录状态获取
        resourceId: resource?.resourceId
      };
      // 发送POST请求
      const response = await axios.post(process.env.PUBLIC_URL + '/resource/purchase', postData);

      if (response.status === 200) {
        toast.current?.show({ severity: 'success', summary: 'Success', detail: '成功购买资源' });
        // 购买成功
        setVisible(false);
        // 刷新购买按钮
        isPurchase();
      } else if (response.status === 412) {
        toast.current?.show({ severity: 'error', summary: 'error', detail: '积分不足，购买失败' });
      }
    } catch (error) {
      console.error('购买资源失败:', error);
      toast.current?.show({ severity: 'error', summary: 'error', detail: '购买资源失败' });
    }
  };

  // 处理收藏操作
  const handleCollection = async () => {
    const newCollectionState = !isCollected;
    const newCollectionCount = newCollectionState ? collectionCount + 1 : collectionCount - 1;

    // 立即更新本地状态
    setIsCollected(newCollectionState);
    setCollectionCount(newCollectionCount);

    try {
      if (newCollectionState) {
        // 收藏操作
        await axios.post(process.env.PUBLIC_URL +`/resource/collection`, {
          params: { resourceId: resourceId, userId: 22301010 }
        });
        console.log('收藏资源');
      } else {
        // 取消收藏操作
        await axios.delete(process.env.PUBLIC_URL +`/resource/collection`, {
          params: { resourceId: resourceId, userId: 22301010 }
        });
        console.log('取消收藏资源');
      }
    } catch (err) {
      console.error(newCollectionState ? '收藏资源失败' : '取消收藏失败', err);
      toast.current?.show({
        severity: 'error',
        summary: 'error',
        detail: newCollectionState ? "收藏资源失败" : "取消收藏失败"
      });

      // 如果请求失败，回滚状态
      setIsCollected(!newCollectionState);
      setCollectionCount(newCollectionState ? collectionCount - 1 : collectionCount + 1);
    }
  };

  // 处理点赞行为
  const handleLike = async () => {
    const newLikeState = !isLiked;
    const newLikeCount = newLikeState ? likeCount + 1 : likeCount - 1;

    // 立即更新本地状态
    setIsLiked(newLikeState);
    setLikeCount(newLikeCount);

    try {
      if (newLikeState) {
        // 点赞操作
        await axios.post(process.env.PUBLIC_URL +`/resource/like`, {
          params: { resourceId: resourceId, userId: 22301010 }
        });
        console.log('点赞资源');
      } else {
        // 取消点赞操作
        await axios.delete(process.env.PUBLIC_URL +`/resource/like`, {
          params: { resourceId: resourceId, userId: 22301010 }
        });
        console.log('取消点赞资源');
      }
    } catch (err) {
      console.error(newLikeState ? '点赞资源失败' : '取消点赞失败', err);
      toast.current?.show({
        severity: 'error',
        summary: 'error',
        detail: newLikeState ? "点赞资源失败" : "取消点赞失败"
      });

      // 如果请求失败，回滚状态
      setIsLiked(!newLikeState);
      setLikeCount(newLikeState ? newLikeCount - 1 : newLikeCount + 1);
    }
  };

  // 格式化数字显示 (3000 -> 3k)
  const formatCount = (count?: number): string => {
    if (count == null) return "0"; // 同时处理 undefined/null

    const absCount = Math.abs(count); // 处理负数

    const format = (num: number, suffix: string) => {
      const fixed = num.toFixed(1);
      return fixed.endsWith('.0')
          ? `${Math.floor(num)}${suffix}`
          : `${fixed}${suffix}`;
    };

    if (absCount >= 1e6) return format(count / 1e6, "m");
    if (absCount >= 1e3) return format(count / 1e3, "k");
    return count.toString();
  };

  // 获取发帖人
  useEffect(() => {
    if (!resource) return;
    // 发帖人
    axios.get(process.env.PUBLIC_URL +`/user/info?userId=${resource?.userId}`)
        .then(res => setUserInfo(res.data))
        .catch(console.error);
  }, [resource]);

  // 当 resourceId 或分页参数变化时重新拉评论
  useEffect(() => {
    if (!resourceId) return;

    fetchComments();
  }, [resourceId, first, rows]);


  //通过评论ID获取评论人信息
  const getReplyUserName = (replyId: number) => {
    if (replyId == null || replyId == 0) return '';
    const replyComment = comments.find(comment => comment.commentId === replyId);
    if (!replyComment?.userId) return '匿名用户';
    return "回复 " + commentUserInfos.get(replyComment.userId)?.username || '匿名用户';
  };

  // 获取该资源的评论
  const fetchComments = async () => {
    try {
      const pageNumber = first / rows + 1;
      console.log("当前页" + pageNumber + "size" + rows);
      const response = await axios.get<CommentList>(
          process.env.PUBLIC_URL +`/comments`, {
            params: { id: resourceId, pageNumber, rows, type: 'resource' }
          }
      );
      console.log('获取评论列表:', response.data.records);
      setComments(response.data.records);
      setTotalComments(response.data.total);
      // 拉取评论对应用户信息
      response.data.records.forEach(comment => {
        if (comment.userId != null && !commentUserInfos.has(comment.userId)) {
          axios.get<UserInfo>(
              process.env.PUBLIC_URL +`/user/info`,
              { params: { userId: comment.userId } }
          ).then(res => {
            setCommentUserInfos(prev => new Map(prev).set(comment.userId!, res.data));
          });
        }
      });
    } catch (err) {
      console.error('获取评论失败', err);
      toast.current?.show({ severity: 'error', summary: 'error', detail: '获取评论失败' });
    }
  };

  // 回复评论接口
  const publishReply = async (commentId: number) => {
    if (!replyValue.trim() || !resource) return;
    console.log('发布评论:', commentId);
    // console.log(typeof resourceId);
    try {
      const newComment: NewComment = {
        userId: 22301145,
        rewardId: 0,
        threadId: 0,
        resourceId: resource.resourceId,
        replyId: commentId,
        content: commentValue,
        createAt: new Date().toISOString().slice(0, 19).replace('T', ' ')
      };

      const response = await axios.post(process.env.PUBLIC_URL +'/comment', newComment);

      if (response.status === 200) {
        toast.current?.show({ severity: 'success', summary: 'Success', detail: '回复成功' });
        // 更新评论列表
        fetchComments();
        setVisibleReply(false)
        // 清空输入框
        setReplyValue('');
      }
    } catch (error) {
      console.error('发布评论失败:', error);
      toast.current?.show({ severity: 'error', summary: 'error', detail: '回复失败' });
    }
  };

  // 发布评论接口
  const publishComment = async () => {
    if (!commentValue.trim() || !resource) return;

    try {
      const newComment: NewComment = {
        userId: 22301145,
        rewardId: 0,
        threadId: 0,
        resourceId: resource.resourceId,
        replyId: 0, // 直接评论，不是回复
        content: commentValue,
        createAt: new Date().toISOString().slice(0, 19).replace('T', ' ')
      };

      const response = await axios.post(process.env.PUBLIC_URL +'/comment', newComment);

      if (response.status === 200) {
        toast.current?.show({ severity: 'success', summary: 'Success', detail: '评论成功' });
        // 更新评论列表
        fetchComments();
        // 清空输入框
        setCommentValue('');
      }
    } catch (error) {
      console.error('发布评论失败:', error);
      toast.current?.show({ severity: 'error', summary: 'error', detail: '发布评论失败' });
    }
  };

  // 删除评论接口
  const deleteComment = async (commentId: number) => {
    if (!resourceId) return;

    try {
      // 调用 DELETE 接口，URL 中最后一段是要删除的 commentId
      const response = await axios.delete(
          process.env.PUBLIC_URL +`/comment?commentId=${commentId}`
      );

      if (response.status === 200) {
        fetchComments();
        toast.current?.show({ severity: 'success', summary: 'Success', detail: '删除评论成功' });
      } else {
        toast.current?.show({ severity: 'error', summary: 'error', detail: '删除评论失败' });
        console.error('删除评论失败，状态码：', response.status);
      }
    } catch (error) {
      console.error('删除评论接口报错:', error);
    }
  };

  const ReplyHeader = (
      <div className="flex align-items-center gap-1">
        <h3>回复评论</h3>
      </div>
  );
  if (!resourceId || !userInfo) return <div>Loading...</div>;

  return(
      <div className="resource-detail-container">
        <Toast ref={toast}></Toast>
        {/*资源标题*/}
        <div className="resource-header">
          {resource?.resourceName}
        </div>
        {/*资源详细信息*/}
        <div className="resource-info">
          <Image
              src={(process.env.NEXT_PUBLIC_NGINX_URL! + resource?.resourcePicture)}
              alt= {resource?.resourceName}
              width="540px"
              height="300px"
          />
          <div className="resource-info-detail">
            {/*资源热度*/}
            <div className="resource-hot">
              <Fire theme="outline" size="50" fill="#f5a623" strokeWidth={3}/>
              <span className="resource-hot-data">{resource?.hot}</span>
            </div>

            {/*资源标签*/}
            <div className="resource-label">
              {resource?.gameplayList.map((tag, index) => (
                  <Button
                      key={index} label={tag}
                      className="resource-label-button"
                      onClick={() => {
                        router.push(`/resource/classification/`)
                      }}
                  />
              ))}
            </div>

            {/*资源浏览量和下载量*/}
            <div className="resource-data">
              <div className="resource-data-container">
                <i className="pi pi-download"/>
                <span className="resource-data-container-number">下载量：{formatCount(resource?.downloads)}</span>
              </div>
            </div>

            {/*资源发布时间和更新时间*/}
            <div className="resource-time">
              <div className="resource-time-data">
                发布时间：{resource?.uploadTime}
              </div>
              <div className="resource-time-data">
                更新时间：{resource?.lastUpdateTime}
              </div>
            </div>
          </div>
        </div>
        {/*资源总结*/}
        <div className="resource-summary">
          {resource?.resourceSummary}
        </div>
        {/*关注作者、点赞、抽藏、购买资源*/}
        <div className="resource-operation">
          <div className="resource-author">
            <Avatar
                image={`${process.env.NEXT_PUBLIC_NGINX_URL}/users/${resourceAuthor?.avatar}`}
                shape="circle"
                style={{ width: "60px", height: "60px" }}
            />
            <span className="resource-author-name">{resourceAuthor?.username}</span>

            {handleSubscribe()}
          </div>

          <div className="resource-operation-detail">
            <div className="resource-operation-detail-data">
              <i
                  className={isCollected ? "pi pi-star-fill" : "pi pi-star"}
                  onClick={handleCollection}
                  style={{
                    cursor: 'pointer',
                    fontSize: '30px',
                    color: isCollected ? 'rgba(82, 102, 101, 1)' : 'inherit',
                    transition: 'color 0.3s ease'
                  }}
              />
              <span>{formatCount(collectionCount)}</span>
            </div>


            <div className="resource-operation-detail-data">
              {isLiked ? <SmilingFace
                      theme="filled"
                      size="30"
                      fill="#526665"
                      strokeWidth={5}
                      onClick={handleLike}
                      style={{ cursor: 'pointer' }}
                  />
                  : <SmilingFace
                      theme="outline"
                      size="30"
                      fill="#526665"
                      strokeWidth={5}
                      onClick={handleLike}
                      style={{ cursor: 'pointer' }}
                  />
              }
              <span>{formatCount(likeCount)}</span>
            </div>

            <ButtonGroup >
              {isPurchase()}
              <Button label={"$" + resource?.price} style={{
                height:"44px", background:"rgba(82, 102, 101, 1)",
                borderStyle:"solid", borderWidth:"1px", borderColor:"rgba(82, 102, 101, 1)",
                borderRadius:"0 20px 20px 0", fontSize:"26px",
              }} disabled={true}/>
            </ButtonGroup>
          </div>
        </div>
        {/*资源详情*/}
        <div className="resource-detail">
          <h1 className="resource-detail-title">资源详情</h1>
          <div className="resource-detail-text">
            {resource?.resourceDetail}
          </div>
        </div>
        {/* 评论列表 */}
        <div className="comments-section">
          <div className="comments-header">
            <h2>评论 ({totalComments})</h2>
            <Link href="/community" className="no-underline">进入社区</Link>
          </div>
          <div className="comments-input">
            <Avatar image={process.env.NEXT_PUBLIC_NGINX_URL + "users/" + userInfo.avatar} size="large" shape="circle" />
            <InputText value={commentValue} placeholder="发布你的评论" onChange={(e) => setCommentValue(e.target.value)} />
            <Button label="发布评论" onClick={publishComment} disabled={!commentValue.trim()} />
          </div>
          <div className="comments-list">
            {comments.map((comment, index) => (
                <div key={comment.commentId} className="comment-item">
                  <div className="comment-user">
                    <Avatar
                        image={comment.userId ? process.env.NEXT_PUBLIC_NGINX_URL + "users/" + commentUserInfos.get(comment.userId)?.avatar : '/default-avatar.png'}
                        size="normal"
                        shape="circle"
                    />
                    <div className="comment-meta">
                                    <span className="username">
                                        {comment.userId ? commentUserInfos.get(comment.userId)?.username : '匿名用户'}
                                    </span>
                      <div className="comment-time">
                        <span className="floor">#{first + index + 1}楼</span>
                        <span className="time">{comment.createAt}</span>
                      </div>
                    </div>
                    <i className='pi pi-ellipsis-v' onClick={(e) => ops.current[index].toggle(e)} />
                  </div>
                  <div className="comment-content">
                    {<span className="reply-to">{getReplyUserName(comment.replyId)}</span>}
                    <p>{comment.content}</p>
                  </div>
                  <OverlayPanel       // 回调 ref：把实例放到 ops.current 对应的位置
                      ref={el => {
                        if (el) ops.current[index] = el;
                      }}>
                    <Button label="回复" text size="small" onClick={() => setVisibleReply(true)} />
                    {comment.userId === 22301010 &&
                        <Button
                            label="删除"
                            text
                            size="small"
                            onClick={() => { console.log('Deleting comment:', comment.commentId, 'by user:', comment.userId); deleteComment(comment.commentId) }}
                        />
                    }
                  </OverlayPanel>
                  <Sidebar className='reply' header={ReplyHeader} visible={visibleReply} position="bottom" onHide={() => setVisibleReply(false)}>
                    <div className="reply-input">
                      <Avatar image={process.env.NEXT_PUBLIC_NGINX_URL + "users/" + userInfo.avatar} size="large" shape="circle" />
                      <InputText value={replyValue} placeholder="发布你的评论" onChange={(e) => setReplyValue(e.target.value)} />
                      <Button label="发布评论" onClick={() => publishReply(comment.commentId)} disabled={!replyValue.trim()} />
                    </div>
                  </Sidebar>
                </div>
            ))}
            {totalComments > 5 && (<Paginator className="Paginator" first={first} rows={rows} totalRecords={totalComments} rowsPerPageOptions={[5, 10]} onPageChange={onPageChange} />)}
          </div>
        </div>

        {/*用户购买资源弹窗*/}
        <Dialog
            header="购买资源"
            visible={visible}
            onHide={() => setVisible(false)}
            className="purchase-dialog"
            modal
            footer={
              <div className="dialog-footer">
                <Button label="购买" icon="pi pi-check" onClick={handlePurchase} autoFocus />
                <Button label="取消" icon="pi pi-times" onClick={() => setVisible(false)} className="p-button-text" />
              </div>
            }
        >
          <div className="form-text">
            购买该资源需要{resource?.price}积分，是否购买？
          </div>
        </Dialog>
      </div>
  )
}