import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react';
import { Helmet } from 'react-helmet-async';
import { Link, useNavigate, useParams } from 'react-router-dom';
import { Tooltip } from 'react-tooltip';
import { useAccount, useAccountComments, useComment, usePublishComment } from '@plebbit/plebbit-react-hooks';
import { flattenCommentsPages } from '@plebbit/plebbit-react-hooks/dist/lib/utils'
import { debounce } from 'lodash';
import useGeneralStore from '../../hooks/stores/useGeneralStore';
import { Container, NavBar, Header, Break, PostForm, PostFormTable } from '../styled/Board.styled';
import { ReplyFormLink, TopBar, BottomBar, BoardForm, Footer } from '../styled/Thread.styled';
import ImageBanner from '../ImageBanner';
import Post from '../Post';
import PostLoader from '../PostLoader';
import ReplyModal from '../ReplyModal';
import SettingsModal from '../SettingsModal';
import findShortParentCid from '../../utils/findShortParentCid';
import formatState from '../../utils/formatState';
import getCommentMediaInfo from '../../utils/getCommentMediaInfo';
import getDate from '../../utils/getDate';
import handleAddressClick from '../../utils/handleAddressClick';
import handleImageClick from '../../utils/handleImageClick';
import handleQuoteClick from '../../utils/handleQuoteClick';
import handleStyleChange from '../../utils/handleStyleChange';
import useClickForm from '../../hooks/useClickForm';
import useError from '../../hooks/useError';
import packageJson from '../../../package.json'
const {version} = packageJson


const Thread = () => {
  const {
    captchaResponse, setCaptchaResponse,
    setChallengesArray,
    defaultSubplebbits,
    setIsCaptchaOpen,
    isSettingsOpen, setIsSettingsOpen,
    setResolveCaptchaPromise,
    setPendingComment,
    setPendingCommentIndex,
    selectedAddress, setSelectedAddress,
    setSelectedParentCid,
    setSelectedShortCid,
    selectedStyle,
    selectedThread, setSelectedThread,
    selectedTitle, setSelectedTitle,
    showPostForm,
    showPostFormLink,
  } = useGeneralStore(state => state);

  const nameRef = useRef();
  const commentRef = useRef();
  const linkRef = useRef();

  const [isReplyOpen, setIsReplyOpen] = useState(false);
  const navigate = useNavigate();
  const [prevScrollPos, setPrevScrollPos] = useState(0);
  const [visible, setVisible] = useState(true);
  const account = useAccount();
  const comment = useComment({commentCid: selectedThread});
  const { subplebbitAddress, threadCid } = useParams();
  const handleClickForm = useClickForm();

  const commentMediaInfo = getCommentMediaInfo(comment);
  const fallbackImgUrl = "assets/filedeleted-res.gif";

  const [errorMessage, setErrorMessage] = useState(null);
  useError(errorMessage, [errorMessage]);

  const [triggerPublishComment, setTriggerPublishComment] = useState(false);


  const flattenedReplies = useMemo(() => 
    flattenCommentsPages(comment.replies), [comment.replies]
  );


  const filter = useMemo(() => ({
    parentCids: [
      selectedThread || 'n/a', ...flattenedReplies.map(reply => reply.cid)
    ]
  }), [flattenedReplies, selectedThread]);


  const { accountComments } = useAccountComments({filter});


  const accountRepliesNotYetInCommentReplies = useMemo(() => {
    const commentReplyCids = new Set(flattenedReplies.map(reply => reply.cid))
    return accountComments.filter(accountReply => !commentReplyCids.has(accountReply.cid))
  }, [flattenedReplies, accountComments]);


  const sortedReplies = useMemo(() => [
    ...accountRepliesNotYetInCommentReplies, ...flattenedReplies
    ].sort((a, b) => a.timestamp - b.timestamp
  ), [accountRepliesNotYetInCommentReplies, flattenedReplies]);

  // temporary title from JSON, gets subplebbitAddress and threadCid from URL
  useEffect(() => {
    setSelectedAddress(subplebbitAddress);
    setSelectedThread(threadCid);
    const selectedSubplebbit = defaultSubplebbits.find((subplebbit) => subplebbit.address === subplebbitAddress);
    if (selectedSubplebbit) {
      setSelectedTitle(selectedSubplebbit.title);
    }
  }, [subplebbitAddress, setSelectedAddress, setSelectedTitle, defaultSubplebbits, setSelectedThread, threadCid]);

  // mobile navbar scroll effect
  useEffect(() => {
    const debouncedHandleScroll = debounce(() => {
      const currentScrollPos = window.pageYOffset;
      setVisible(prevScrollPos > currentScrollPos || currentScrollPos < 10);
      setPrevScrollPos(currentScrollPos);
    }, 50);
  
    window.addEventListener('scroll', debouncedHandleScroll);
  
    return () => window.removeEventListener('scroll', debouncedHandleScroll);
  }, [prevScrollPos, visible]);

  
  const onChallengeVerification = (challengeVerification) => {
    if (challengeVerification.challengeSuccess === true) {
      console.log('challenge success');
    }
    else if (challengeVerification.challengeSuccess === false) {
      setErrorMessage('challenge failed', {reason: challengeVerification.reason, errors: challengeVerification.errors});
    }
  };


  const onChallenge = async (challenges, comment) => {
    setPendingComment(comment);
    let challengeAnswers = [];
    
    try {
      challengeAnswers = await getChallengeAnswersFromUser(challenges)
    }
    catch (error) {
      setErrorMessage(error);
    }
    if (challengeAnswers) {
      await comment.publishChallengeAnswers(challengeAnswers)
    }
  };

  
  useEffect(() => {
    setPublishCommentOptions((prevPublishCommentOptions) => ({
      ...prevPublishCommentOptions,
      subplebbitAddress: selectedAddress,
    }));
  }, [selectedAddress]);

  
  const [publishCommentOptions, setPublishCommentOptions] = useState({
    subplebbitAddress: selectedAddress,
    onChallenge,
    onChallengeVerification,
    onError: (error) => {
      setErrorMessage(error);
    },
  });


  const { publishComment, index } = usePublishComment(publishCommentOptions);


  useEffect(() => {
    if (index !== undefined) {
      setPendingCommentIndex(index);
    }
  }, [index, setPendingCommentIndex]);

  
  const resetFields = useCallback(() => {
    if (nameRef.current) {
      nameRef.current.value = '';
    }
    if (commentRef.current) {
      commentRef.current.value = '';
    }
    if (linkRef.current) {
      linkRef.current.value = '';
    }
  }, []);


  const handleSubmit = async (event) => {
    event.preventDefault();

    setPublishCommentOptions((prevPublishCommentOptions) => ({
      ...prevPublishCommentOptions,
      author: {
        displayName: nameRef.current.value || undefined,
      },
      content: commentRef.current.value || undefined,
      link: linkRef.current.value || undefined,
      parentCid: selectedThread,
    }));

    setTriggerPublishComment(true);
  };
  
  
  useEffect(() => {
    if (publishCommentOptions.content && triggerPublishComment) {
      (async () => {
        await publishComment();
        resetFields();
      })();
    }
  }, [publishCommentOptions, triggerPublishComment, publishComment, resetFields]);


  const getChallengeAnswersFromUser = async (challenges) => {
    setChallengesArray(challenges);
    
    return new Promise((resolve, reject) => {
      const imageString = challenges?.challenges[0].challenge;
      const imageSource = `data:image/png;base64,${imageString}`;
      const challengeImg = new Image();
      challengeImg.src = imageSource;
  
      challengeImg.onload = () => {
        setIsCaptchaOpen(true);
  
        const handleKeyDown = async (event) => {
          if (event.key === 'Enter') {
            const currentCaptchaResponse = captchaResponse;
            resolve(currentCaptchaResponse);
            setIsCaptchaOpen(false);
            document.removeEventListener('keydown', handleKeyDown);
            event.preventDefault();
          }
        };

        setCaptchaResponse('');
        document.addEventListener('keydown', handleKeyDown);

        setResolveCaptchaPromise(resolve);
      };
  
      challengeImg.onerror = () => {
        reject(setErrorMessage('Could not load challenges'));
      };
    });
  };

  // mobile navbar board select functionality
  const handleSelectChange = (event) => {
    const selected = event.target.value;
    const selectedTitle = defaultSubplebbits.find((subplebbit) => subplebbit.address === selected).title;
    setSelectedTitle(selectedTitle);
    setSelectedAddress(selected);
    navigate(`/p/${selected}`);
  };


  return (
    <>
      <Helmet>
          <title>
            {(
              (comment.content?.slice(0, 40) ?? comment.title?.slice(0, 40) ?? "Thread") + " - " 
              + (selectedTitle ? selectedTitle : selectedAddress) 
              + " - plebchan"
            )}
          </title>
        </Helmet>
      <Container>
        <ReplyModal 
        selectedStyle={selectedStyle}
        isOpen={isReplyOpen}
        closeModal={() => setIsReplyOpen(false)} />
        <SettingsModal
        selectedStyle={selectedStyle}
        isOpen={isSettingsOpen}
        closeModal={() => setIsSettingsOpen(false)} />
        <NavBar selectedStyle={selectedStyle}>
          <>
            {defaultSubplebbits.map(subplebbit => (
              <span className="boardList" key={`span-${subplebbit.address}`}>
                [
                <Link key={`a-${subplebbit.address}`} 
                to={`/p/${subplebbit.address}`} 
                onClick={() => {
                  setSelectedTitle(subplebbit.title);
                  setSelectedAddress(subplebbit.address);
                }}
                >{subplebbit.title ? subplebbit.title : subplebbit.address}</Link>
                ]&nbsp;
              </span>
            ))}
            <span className="nav">
              [
              <Link to={`/p/${selectedAddress}/c/${selectedThread}/settings`} onClick={() => setIsSettingsOpen(true)}>Settings</Link>
              ]
              [
              <Link to="/" onClick={() => handleStyleChange({target: {value: "Yotsuba"}}
              )}>Home</Link>
              ]
            </span>
            <div id="board-nav-mobile" style={{ top: visible ? 0 : '-23px' }}>
              <div className="board-select">
                <strong>Board</strong>
                &nbsp;
                <select id="board-select-mobile" value={selectedAddress} onChange={handleSelectChange}>
                  {defaultSubplebbits.map(subplebbit => (
                      <option key={`option-${subplebbit.address}`} value={subplebbit.address}
                      >{subplebbit.title ? subplebbit.title : subplebbit.address}</option>
                    ))}
                </select>
              </div>
              <div className="page-jump">
                <Link to={`/p/${selectedAddress}/c/${selectedThread}/settings`} onClick={() => setIsSettingsOpen(true)}>Settings</Link>
                &nbsp;
                <Link to="/" onClick={() => handleStyleChange({target: {value: "Yotsuba"}}
                  )}>Home</Link>
              </div>
            </div>
            <div id="separator-mobile">&nbsp;</div>
            <div id="separator-mobile">&nbsp;</div>
          </>
        </NavBar>
        <Header selectedStyle={selectedStyle}>
          <>
            <div className="banner">
              <ImageBanner />
            </div>
              <>
              <div className="board-title">{selectedTitle}</div>
              <div className="board-address">p/{selectedAddress}</div>
              </>
          </>
        </Header>
        <Break selectedStyle={selectedStyle} />
        <PostForm selectedStyle={selectedStyle} name="post" action="" method="post" enctype="multipart/form-data">
          <ReplyFormLink id="post-form-link" showReplyFormLink={showPostFormLink} selectedStyle={selectedStyle} >
            <div id="return-button-mobile">
              <span className="btn-wrap">
                <Link to={`/p/${selectedAddress}`}>Return</Link>
              </span>
            </div>
            <div id="catalog-button-mobile">
              <span className="btn-wrap">
                <Link to={`/p/${selectedAddress}/catalog`}>Catalog</Link>
              </span>
            </div>
            <div id="bottom-button-mobile">
              <span className="btn-wrap">
                <span style={{cursor: 'pointer'}} onClick={() => window.scrollTo(0, document.body.scrollHeight)} onMouseOver={(event) => event.target.style.cursor='pointer'}>Bottom</span>
              </span>
            </div>
            <div id="post-form-link-desktop">
              [
                <Link to={`/p/${subplebbitAddress}/c/${selectedThread}/post`} onClick={() => {handleClickForm(); setSelectedShortCid(comment.shortCid)}} onMouseOver={(event) => event.target.style.cursor='pointer'}>Post a Reply</Link>
              ]
            </div>
            <div id="post-form-link-mobile">
              <span className="btn-wrap">
                <Link to={`/p/${subplebbitAddress}/c/${selectedThread}/post`} onClick={() => {handleClickForm(); setSelectedShortCid(comment.shortCid)}} onMouseOver={(event) => event.target.style.cursor='pointer'}>Post a Reply</Link>
              </span>
            </div>
          </ReplyFormLink>
          <PostFormTable id="post-form" showPostForm={showPostForm} selectedStyle={selectedStyle} className="post-form">
            <tbody>
              <tr data-type="Name">
                <td id="td-name">Name</td>
                <td>
                  <input name="name" type="text" tabIndex={1} placeholder="Anonymous" ref={nameRef} />
                  <input id="post-button" type="submit" value="Post" tabIndex={6} 
                  onClick={handleSubmit} />
                </td>
              </tr>
              <tr data-type="Comment">
                <td>Comment</td>
                <td>
                  <textarea name="com" cols="48" rows="4" tabIndex={4} wrap="soft" ref={commentRef} />
                </td>
              </tr>
              <tr data-type="File">
                <td>Embed File</td>
                <td>
                  <input name="embed" type="text" tabIndex={7} placeholder="Paste link" ref={linkRef} />
                  <button id="t-help" type="button" onClick={
                    () => alert("- Embedding media is optional, posts can be text-only. \n- A CAPTCHA challenge will appear after posting. \n- The CAPTCHA is case-sensitive.")}
                    data-tip="Help"
                  >?</button>
                </td>
              </tr>
            </tbody>
          </PostFormTable>
        </PostForm>
        <TopBar selectedStyle={selectedStyle}>
          <hr />
          <span className="style-changer">
            Style:
             
            <select id="style-selector" onChange={handleStyleChange} value={selectedStyle}>
              <option value="Yotsuba">Yotsuba</option>
              <option value="Yotsuba-B">Yotsuba B</option>
              <option value="Futaba">Futaba</option>
              <option value="Burichan">Burichan</option>
              <option value="Tomorrow">Tomorrow</option>
              <option value="Photon">Photon</option>
            </select>
          </span>
          <span className="return-button" id="return-button-desktop">
            [
            <Link to={`/p/${selectedAddress}`}>Return</Link>
            ]
          </span>
          <span className="return-button catalog-button" id="catalog-button-desktop">
            [
            <Link to={`/p/${selectedAddress}/catalog`}>Catalog</Link>
            ]
          </span>
          <span className="return-button catalog-button" id="bottom-button-desktop">
            [
            <span id="button" style={{cursor: 'pointer'}} onClick={() =>  window.scrollTo(0, document.body.scrollHeight)} 
            onMouseOver={(event) => event.target.style.cursor='pointer'} 
            onTouchStart={() =>  window.scrollTo(0, document.body.scrollHeight)}>Bottom</span>
            ]
          </span>
          {comment ? (
            comment.replyCount !== undefined ? (
              comment.replyCount > 0 ? (
                comment.replyCount === 1 ? (
                  <span className="reply-stat">{comment.replyCount} reply</span>
                ) : (
                  <span className="reply-stat">{comment.replyCount} replies</span>
                )
              ) : (
                <span className="reply-stat">No replies yet</span>
              )
            ) : (
              <span className="reply-stat">{formatState(comment.state)}</span>
            )
          ) : (
            <span className="reply-stat">{formatState(comment.state)}</span>
          )}
          <hr />
        </TopBar>
        <Tooltip id="tooltip" className="tooltip" />
        <BoardForm selectedStyle={selectedStyle}>
          {comment !== undefined ? (
            comment.state === "fetching-ipfs" ? (
              <PostLoader />
            ) : (
            <>
              <div className="thread">
                <div className="op-container">
                  <div className="post op op-desktop">
                    <div className="post-info">
                    {commentMediaInfo?.url ? (
                        <div key={`f-${comment.cid}`} className="file" style={{marginBottom: "5px"}}>
                          <div key={`ft-${comment.cid}`} className="file-text">
                            Link:&nbsp;
                            <a key={`fa-${comment.cid}`} href={commentMediaInfo.url} 
                            target="_blank" rel="noreferrer">{
                            commentMediaInfo?.url.length > 30 ?
                            commentMediaInfo?.url.slice(0, 30) + "(...)" :
                            commentMediaInfo?.url
                            }</a>&nbsp;({commentMediaInfo?.type})
                          </div>
                          {commentMediaInfo?.type === "webpage" ? (
                            <span key={`fta-${comment.cid}`} className="file-thumb">
                              {comment.thumbnailUrl ? (
                                <img key={`fti-${index}`} 
                                src={comment.thumbnailUrl} alt={commentMediaInfo.type}
                                onClick={handleImageClick}
                                style={{cursor: "pointer"}} 
                                onError={(e) => e.target.src = fallbackImgUrl} />
                              ) : null}
                            </span>
                          ) : null}
                          {commentMediaInfo?.type === "image" ? (
                            <span key={`fta-${comment.cid}`} className="file-thumb">
                              <img key={`fti-${comment.cid}`} 
                              src={commentMediaInfo.url} alt={commentMediaInfo.type}
                              onClick={handleImageClick}
                              style={{cursor: "pointer"}} 
                              onError={(e) => e.target.src = fallbackImgUrl} />
                            </span>
                          ) : null}
                          {commentMediaInfo?.type === "video" ? (
                            <span key={`fta-${comment.cid}`} className="file-thumb">
                              <video controls key={`fti-${comment.cid}`} 
                              src={commentMediaInfo.url} alt={commentMediaInfo.type} 
                              onError={(e) => e.target.src = fallbackImgUrl} />
                            </span>
                          ) : null}
                          {commentMediaInfo?.type === "audio" ? (
                            <span key={`fta-${comment.cid}`} className="file-thumb">
                              <audio controls key={`fti-${comment.cid}`} 
                              src={commentMediaInfo.url} alt={commentMediaInfo.type} 
                              onError={(e) => e.target.src = fallbackImgUrl} />
                            </span>
                          ) : null}
                        </div>
                      ) : null}
                      <span className="name-block">
                          {comment.title ? (
                            comment.title.length > 75 ?
                            <>
                              <span key={`q-${comment.cid}`} className="title"
                              data-tooltip-id="tooltip"
                              data-tooltip-content={comment.title}
                              data-tooltip-place="top">
                                {comment.title.slice(0, 75) + " (...)"}
                              </span>
                            </>
                          : <span key={`q-${comment.cid}`} className="title">
                            {comment.title}
                            </span>) 
                          : null}
                        &nbsp;
                        {comment.author?.displayName
                          ? comment.author?.displayName.length > 20
                          ? <>
                              <span key={`n-${comment.cid}`} className="name"
                              data-tooltip-id="tooltip"
                              data-tooltip-content={comment.author?.displayName}
                              data-tooltip-place="top">
                                {comment.author?.displayName.slice(0, 20) + " (...)"}
                              </span>
                            </> 
                            : <span key={`n-${comment.cid}`} className="name">
                              {comment.author?.displayName}</span>
                          : <span key={`n-${comment.cid}`} className="name">
                            Anonymous</span>}
                          &nbsp;
                        &nbsp;
                        <span className="poster-address address-desktop"
                          id="reply-button" style={{cursor: "pointer"}}
                          onClick={() => handleAddressClick(comment.author?.shortAddress)}>
                          (u/
                            <span key={`pa-${comment.cid}`} className="poster-address">
                            {comment.author?.shortAddress}
                          </span>)
                        </span>
                        &nbsp;
                        <span className="date-time" data-utc="data">{getDate(comment?.timestamp)}</span>
                        &nbsp;
                        <span className="post-number post-number-desktop">
                          <span style={{cursor: 'pointer'}} id="reply-button" title="Link to this post">c/</span>
                          <button id="reply-button" style={{ all: 'unset', cursor: 'pointer' }} onClick={() => {
                            setIsReplyOpen(true); setSelectedParentCid(comment.cid); setSelectedShortCid(comment.shortCid);
                            }} title="Reply to this post">{comment.shortCid}</button>
                        </span>&nbsp;&nbsp;
                        <button className="post-menu-button" title="Post menu" style={{ all: 'unset', cursor: 'pointer' }}>▶</button>
                        <div id="backlink-id" className="backlink">
                          {comment?.replies?.pages?.topAll.comments
                            .sort((a, b) => a.timestamp - b.timestamp)
                            .map((reply, index) => (
                              <div key={`div-${index}`} style={{display: 'inline-block'}}>
                              <span style={{cursor: 'pointer'}} key={`ql-${index}`}
                                className="quote-link" 
                                onClick={(event) => handleQuoteClick(reply, null, event)}>
                                c/{reply.shortCid}</span>
                                &nbsp;
                              </div>
                            ))
                          }
                        </div>
                      </span>
                      <blockquote key={`blockquote-${comment.cid}`}>
                        <Post content={comment.content} comment={comment} key={`post-${comment.cid}`} />
                      </blockquote>
                    </div>
                  </div>
                </div>
                {comment.state === "fetching-ipns" ? <PostLoader /> : null}
                {sortedReplies.map((reply, index) => {
                    const replyMediaInfo = getCommentMediaInfo(reply);
                    const fallbackImgUrl = "assets/filedeleted-res.gif";
                    const shortParentCid = findShortParentCid(reply.parentCid, comment);
                    return (
                      <div key={`pc-${index}`} className="reply-container">
                        <div key={`sa-${index}`} className="side-arrows">{'>>'}</div>
                        <div key={`pr-${index}`} className="post-reply post-reply-desktop">
                          <div key={`pi-${index}`} className="post-info">
                          &nbsp;
                            <span key={`nb-${index}`} className="nameblock">
                            {reply.author?.displayName
                            ? reply.author?.displayName.length > 20
                            ? <>
                                <span key={`mob-n-${index}`} className="name"
                                data-tooltip-id="tooltip"
                                data-tooltip-content={reply.author?.displayName}
                                data-tooltip-place="top">
                                  {reply.author?.displayName.slice(0, 20) + " (...)"}
                                </span>
                              </>
                              : <span key={`mob-n-${index}`} className="name">
                                {reply.author?.displayName ?? reply.displayName}</span>
                            : <span key={`mob-n-${index}`} className="name">
                              Anonymous</span>}
                              &nbsp;
                              <span key={`pa-${index}`} className="poster-address address-desktop"
                                id="reply-button" style={{cursor: "pointer"}}
                                onClick={() => handleAddressClick(reply.author?.shortAddress)}
                              >
                                (u/
                                  {reply.author?.shortAddress ?
                                    (
                                      <span key={`mob-ha-${index}`}>
                                        {reply.author?.shortAddress}
                                      </span>
                                    ) : (
                                      <span key={`mob-ha-${index}`}
                                        data-tooltip-id="tooltip"
                                        data-tooltip-content={account?.author?.address}
                                        data-tooltip-place="top"
                                      >
                                        {account?.author?.address.slice(0, 10) + "(...)"}
                                      </span>
                                    )
                                  }
                                )
                              </span>
                            </span>
                            &nbsp;
                            <span key={`dt-${index}`} className="date-time" data-utc="data">{getDate(reply?.timestamp)}</span>
                            &nbsp;
                            <span style={{cursor: 'pointer'}} key={`pn-${index}`} className="post-number post-number-desktop">
                              <span id="reply-button" key={`pl1-${index}`} title="Link to this post">c/</span>
                              {reply.shortCid ? (
                                <button id="reply-button" style={{ all: 'unset', cursor: 'pointer' }} key={`pl2-${index}`} onClick={() => {
                                  setIsReplyOpen(true); setSelectedParentCid(reply.cid); setSelectedShortCid(reply.shortCid);
                                  }} title="Reply to this post">{reply.shortCid}</button>
                              ) : (
                                <span key="pending" style={{color: 'red', fontWeight: '700'}}>Pending</span>
                              )}
                            </span>&nbsp;
                            <button key={`pmb-${index}`} className="post-menu-button" title="Post menu" style={{ all: 'unset', cursor: 'pointer' }}>▶</button>
                            <div id="backlink-id" className="backlink">
                              {reply.replies?.pages?.topAll.comments
                                .sort((a, b) => a.timestamp - b.timestamp)
                                .map((reply, index) => (
                                  <div key={`div-${index}`} style={{display: 'inline-block'}}>
                                  <span style={{cursor: 'pointer'}} key={`ql-${index}`}
                                    className="quote-link" 
                                    onClick={(event) => handleQuoteClick(reply, reply.shortCid, event)}>
                                    c/{reply.shortCid}</span>
                                    &nbsp;
                                  </div>
                                ))
                              }
                            </div>
                          </div>
                          {replyMediaInfo?.url ? (
                              <div key={`f-${index}`} className="file" 
                              style={{marginBottom: "5px"}}>
                                <div key={`ft-${index}`} className="reply-file-text">
                                  Link:&nbsp;
                                  <a key={`fa-${index}`} href={replyMediaInfo.url} 
                                  target="_blank" rel="noreferrer">{
                                  replyMediaInfo?.url.length > 30 ?
                                  replyMediaInfo?.url.slice(0, 30) + "(...)" :
                                  replyMediaInfo?.url
                                  }</a>&nbsp;({replyMediaInfo?.type})
                                </div>
                                {replyMediaInfo?.type === "webpage" ? (
                                  <span key={`fta-${index}`} className="file-thumb-reply">
                                    {reply.thumbnailUrl ? (
                                      <img key={`fti-${index}`}
                                      src={reply.thumbnailUrl} alt="thumbnail" 
                                      onClick={handleImageClick}
                                      style={{cursor: "pointer"}}
                                      onError={(e) => e.target.src = fallbackImgUrl} />
                                    ) : null}
                                  </span>
                                ) : null}
                                {replyMediaInfo?.type === "image" ? (
                                  <span key={`fta-${index}`} className="file-thumb-reply">
                                    <img key={`fti-${index}`}
                                    src={replyMediaInfo.url} alt={replyMediaInfo.type} 
                                    onClick={handleImageClick}
                                    style={{cursor: "pointer"}}
                                    onError={(e) => e.target.src = fallbackImgUrl} />
                                  </span>
                                ) : null}
                                {replyMediaInfo?.type === "video" ? (
                                  <span key={`fta-${index}`} className="file-thumb-reply">
                                    <video controls key={`fti-${index}`} 
                                    src={replyMediaInfo.url} alt={replyMediaInfo.type} 
                                    onError={(e) => e.target.src = fallbackImgUrl} />
                                  </span>
                                ) : null}
                                {replyMediaInfo?.type === "audio" ? (
                                  <span key={`fta-${index}`} className="file-thumb-reply">
                                    <audio controls key={`fti-${index}`}
                                    src={replyMediaInfo.url} alt={replyMediaInfo.type} 
                                    onError={(e) => e.target.src = fallbackImgUrl} />
                                  </span>
                                ) : null}
                              </div>
                            ) : null}
                          <blockquote key={`pm-${index}`} className="post-message">
                            <span style={{cursor: 'pointer'}} className="quote-link"
                              onClick={(event) => {
                                handleQuoteClick(reply, shortParentCid, comment.shortCid, event);
                              }}
                            >
                              {`c/${shortParentCid}`}{shortParentCid === comment.shortCid ? " (OP)" : null}
                            </span>
                            <Post content={reply.content} comment={reply} key={`post-${index}`} />
                          </blockquote>
                        </div>
                      </div>
                    )
                  })
                }
              </div>
              <div className="thread-mobile" key="thread-mobile">
                <hr />
                <div className="op-container" key="op-container">
                    <div key={`mob-po-${comment.cid}`} className="post op op-mobile">
                      <div key={`mob-pi-${comment.cid}`} className="post-info-mobile">
                        <button style={{ all: 'unset', cursor: 'pointer' }} key={`mob-pb-${comment.cid}`} className="post-menu-button-mobile">...</button>
                        <span className="name-block-mobile">
                          {comment.author?.displayName
                          ? comment.author?.displayName.length > 15
                          ? <>
                              <span key={`mob-n-${comment.cid}`} className="name-mobile"
                              data-tooltip-id="tooltip"
                              data-tooltip-content={comment.author?.displayName}
                              data-tooltip-place="top">
                                {comment.author?.displayName.slice(0, 15) + " (...)"}
                              </span>
                            </> 
                            : <span key={`mob-n-${comment.cid}`} className="name-mobile">
                              {comment.author?.displayName}</span>
                          : <span key={`mob-n-${comment.cid}`} className="name-mobile">
                            Anonymous</span>}
                          &nbsp;
                          <span key={`mob-pa-${comment.cid}`} className="poster-address-mobile address-mobile"
                            id="reply-button" style={{cursor: "pointer"}}
                            onClick={() => handleAddressClick(comment.author?.shortAddress)}
                          >
                            (u/
                            <span key={`mob-ha-${comment.cid}`} className="highlight-address-mobile">
                              {comment.author?.shortAddress}
                            </span>
                            )&nbsp;
                          </span>
                          <br key={`mob-br1-${comment.cid}`} />
                          {comment.title ? (
                              comment.title.length > 30 ?
                              <>
                                <span key={`mob-t-${comment.cid}`} className="subject-mobile"
                                data-tooltip-id="tooltip"
                                data-tooltip-content={comment.title}
                                data-tooltip-place="top">
                                  {comment.title.slice(0, 30) + " (...)"}
                                </span>
                              </>
                              : <span key={`mob-t-${comment.cid}`} className="subject-mobile">
                                {comment.title}
                              </span>) : null}
                        </span>
                        <span key={`mob-dt-${comment.cid}`} className="date-time-mobile post-number-mobile">
                          {getDate(comment?.timestamp)}
                          &nbsp;
                          <button id="reply-button" style={{ all: 'unset', cursor: 'pointer' }} key={`mob-no-${comment.cid}`} onClick={() => {
                            setIsReplyOpen(true); setSelectedParentCid(comment.cid); setSelectedShortCid(comment.shortCid);
                            }} title="Link to this post">c/</button>
                          <span id="reply-button" style={{cursor: 'pointer'}} key={`mob-no2-${comment.cid}`} title="Reply to this post">{comment.shortCid}</span>
                        </span>
                      </div>
                      {commentMediaInfo?.url ? (
                        commentMediaInfo.type === "webpage" ? (
                          <div key={`mob-f-${comment.cid}`} className="file-mobile">
                            <span key={`mob-ft${comment.cid}`} className="file-thumb-mobile">
                              {comment.thumbnailUrl ? (
                                <img key={`mob-img-${comment.cid}`} 
                                src={comment.thumbnailUrl} alt={commentMediaInfo.type} 
                                onClick={handleImageClick}
                                style={{cursor: "pointer"}}
                                onError={(e) => e.target.src = fallbackImgUrl} />
                                ) : null}
                              <div key={`mob-fi-${comment.cid}`} className="file-info-mobile">{commentMediaInfo.type}</div>
                            </span>
                          </div>
                        ) : commentMediaInfo.type === "image" ? (
                          <div key={`mob-f-${comment.cid}`} className="file-mobile">
                            <span key={`mob-ft${comment.cid}`} className="file-thumb-mobile">
                              <img key={`mob-img-${comment.cid}`} 
                              src={commentMediaInfo.url} alt={commentMediaInfo.type} 
                              onClick={handleImageClick}
                              style={{cursor: "pointer"}}
                              onError={(e) => e.target.src = fallbackImgUrl} />
                              <div key={`mob-fi-${comment.cid}`} className="file-info-mobile">{commentMediaInfo.type}</div>
                            </span>
                          </div>
                        ) : commentMediaInfo.type === "video" ? (
                          <div key={`mob-f-${comment.cid}`} className="file-mobile">
                            <span key={`mob-ft${comment.cid}`} className="file-thumb-mobile">
                              <video controls key={`mob-img-${comment.cid}`} 
                              src={commentMediaInfo.url} alt={commentMediaInfo.type} 
                              onError={(e) => e.target.src = fallbackImgUrl} />
                              <div key={`mob-fi-${comment.cid}`} className="file-info-mobile">{commentMediaInfo.type}</div>
                            </span>
                          </div>
                        ) : commentMediaInfo.type === "audio" ? (
                          <div key={`mob-f-${comment.cid}`} className="file-mobile">
                            <span key={`mob-ft${comment.cid}`} className="file-thumb-mobile">
                              <audio controls key={`mob-img-${comment.cid}`} 
                              src={commentMediaInfo.url} alt={commentMediaInfo.type} 
                              onError={(e) => e.target.src = fallbackImgUrl} />
                              <div key={`mob-fi-${comment.cid}`} className="file-info-mobile">{commentMediaInfo.type}</div>
                            </span>
                          </div>
                        ) : null
                      ) : null}
                      <blockquote key={`mob-bq-${comment.cid}`} className="post-message-mobile">
                        {comment.content ? (
                          <>
                            <Post content={comment.content} comment={comment} key={`post-mobile-${comment.cid}`} /> 
                          </>
                        ) : null}
                      </blockquote>
                    </div>
                  </div>
                  {comment.replyCount === undefined ? <PostLoader /> : null}
                  {sortedReplies.map((reply, index) => {
                    const replyMediaInfo = getCommentMediaInfo(reply);
                    const shortParentCid = findShortParentCid(reply.parentCid, comment);
                    return (
                    <div key={`mob-rc-${index}`} className="reply-container">
                      <div key={`mob-pr-${index}`} className="post-reply post-reply-mobile">
                        <div key={`mob-pi-${index}`} className="post-info-mobile">
                          <button className="post-menu-button-mobile" title="Post menu" style={{ all: 'unset', cursor: 'pointer' }}>...</button>
                          <span key={`mob-nb-${index}`} className="name-block-mobile">
                            {reply.author?.displayName
                            ? reply.author?.displayName.length > 12
                            ? <>
                                <span key={`mob-n-${index}`} className="name-mobile"
                                data-tooltip-id="tooltip"
                                data-tooltip-content={reply.author?.displayName}
                                data-tooltip-place="top">
                                  {reply.author?.displayName.slice(0, 12) + " (...)"}
                                </span>
                              </>
                              : <span key={`mob-n-${index}`} className="name-mobile">
                                {reply.author?.displayName}</span>
                            : <span key={`mob-n-${index}`} className="name-mobile">
                              Anonymous</span>}
                            &nbsp;
                            <span key={`mob-pa-${index}`} className="poster-address-mobile address-mobile"
                              id="reply-button" style={{cursor: "pointer"}}
                              onClick={() => handleAddressClick(reply.author?.shortAddress)}
                            >
                              (u/
                                {reply.author?.shortAddress ?
                                  (
                                  <span key={`mob-ha-${index}`} className="highlight-address-mobile">
                                    {reply.author?.shortAddress}
                                  </span>
                                  ) : (
                                    <span key={`mob-ha-${index}`} 
                                      data-tooltip-id="tooltip"
                                      data-tooltip-content={account?.author?.address}
                                      data-tooltip-place="top"
                                        >
                                      {account?.author?.address.slice(0, 8) + "(...)"}
                                    </span>
                                  )
                                }
                              )
                            </span>
                            <br key={`mob-br-${index}`} />
                          </span>
                          <span key={`mob-dt-${index}`} className="date-time-mobile post-number-mobile">
                            {getDate(reply?.timestamp)}&nbsp;
                            <span id="reply-button" style={{cursor: 'pointer'}} key={`mob-pl1-${index}`} title="Link to this post">c/</span>
                            {reply.shortCid ? (
                              <button id="reply-button" style={{ all: 'unset', cursor: 'pointer' }} key={`mob-pl2-${index}`} onClick={() => {
                                setIsReplyOpen(true); setSelectedParentCid(reply.cid); setSelectedShortCid(reply.shortCid);
                                }} title="Reply to this post">{reply.shortCid}</button>
                            ) : (
                              <span key="pending" style={{color: 'red', fontWeight: '700'}}>Pending</span> 
                            )}
                          </span>
                        </div>
                        {reply.link ? (
                            <div key={`mob-f-${reply.cid}`} className="file-mobile">
                                {replyMediaInfo?.url ? (
                                  replyMediaInfo.type === "webpage" ? (
                                      <span key={`mob-ft${reply.cid}`} className="file-thumb-mobile">
                                        {reply.thumbnailUrl ? (
                                          <img key={`mob-img-${reply.cid}`} 
                                          src={reply.thumbnailUrl} alt={replyMediaInfo.type} 
                                          onClick={handleImageClick}
                                          style={{cursor: "pointer"}}
                                          onError={(e) => e.target.src = fallbackImgUrl} />
                                        ) : null}
                                        <div key={`mob-fi-${reply.cid}`} className="file-info-mobile">{replyMediaInfo.type}</div>
                                      </span>
                                  ) : replyMediaInfo.type === "image" ? (
                                      <span key={`mob-ft${reply.cid}`} className="file-thumb-mobile">
                                        <img key={`mob-img-${reply.cid}`} 
                                        src={replyMediaInfo.url} alt={replyMediaInfo.type} 
                                        onClick={handleImageClick}
                                        style={{cursor: "pointer"}}
                                        onError={(e) => e.target.src = fallbackImgUrl} />
                                        <div key={`mob-fi-${reply.cid}`} className="file-info-mobile">{replyMediaInfo.type}</div>
                                      </span>
                                  ) : replyMediaInfo.type === "video" ? (
                                      <span key={`mob-ft${reply.cid}`} className="file-thumb-mobile">
                                        <video key={`fti-${reply.cid}`} 
                                        src={replyMediaInfo.url} alt={replyMediaInfo.type} 
                                        style={{ pointerEvents: "none" }}
                                        onError={(e) => e.target.src = fallbackImgUrl} />
                                        <div key={`mob-fi-${reply.cid}`} className="file-info-mobile">{replyMediaInfo.type}</div>
                                      </span>
                                  ) : replyMediaInfo.type === "audio" ? (
                                      <span key={`mob-ft${reply.cid}`} className="file-thumb-mobile">
                                        <audio key={`mob-img-${reply.cid}`} 
                                        src={replyMediaInfo.url} alt={replyMediaInfo.type} 
                                        onError={(e) => e.target.src = fallbackImgUrl} />
                                        <div key={`mob-fi-${reply.cid}`} className="file-info-mobile">{replyMediaInfo.type}</div>
                                      </span>
                                  ) : null
                                ) : null}
                            </div>
                          ) : null}
                        <blockquote key={`mob-pm-${index}`} className="post-message-mobile">
                          <span style={{cursor: 'pointer'}} key={`mob-ql-${index}`} className="quotelink-mobile" 
                          onClick={(event) => handleQuoteClick(reply, shortParentCid, comment.shortCid, event)}>
                            {`c/${shortParentCid}`}{shortParentCid === comment.shortCid ? " (OP)" : null}
                          </span>
                          <Post content={reply.content} comment={reply} key={`post-mobile-${index}`} />
                        </blockquote>
                        {reply.replyCount > 0 ? (
                          <div key={`back-mob-${index}`} className='backlink backlink-mobile'>
                          {reply.replies?.pages?.topAll.comments
                          .sort((a, b) => a.timestamp - b.timestamp)
                          .map((reply, index) => (
                            <div key={`div-back${index}`} style={{display: 'inline-block'}}>
                            <span style={{cursor: 'pointer'}} key={`ql-${index}`} className="quote-link" 
                            onClick={(event) => handleQuoteClick(reply, reply.shortCid, event)}>
                              c/{reply.shortCid}</span>
                              &nbsp;
                            </div>
                          ))}
                          </div>
                        ) : null}
                      </div>
                    </div>
                    )
                  })
                }
              </div>
              <BottomBar selectedStyle={selectedStyle}>
                  <div id="bottombar-desktop">
                    <hr />
                    <span className="bottom-bar-return">
                      [
                      <Link to={`/p/${selectedAddress}`}>Return</Link>
                      ]
                    </span>
                    <span className="bottom-bar-catalog">
                      [
                      <Link to={`/p/${selectedAddress}/catalog`}>Catalog</Link>
                      ]
                    </span>
                    <span className="bottom-bar-top">
                      [
                      <span id="button" onClick={() => window.scrollTo(0, 0)} 
                      onMouseOver={(event) => event.target.style.cursor='pointer'} 
                      onTouchStart={() => window.scrollTo(0, 0)}>Top</span>
                      ]
                    </span>
                    <span className="quickreply-button">
                    [
                      <span id="button" onClick={() => {setIsReplyOpen(true); setSelectedParentCid(comment.cid); setSelectedShortCid(comment.shortCid);}} onMouseOver={(event) => event.target.style.cursor='pointer'}>Post a Reply</span>
                    ]
                    </span>
                    {comment ? (
                      comment.replyCount !== undefined ? (
                        comment.replyCount > 0 ? (
                          comment.replyCount === 1 ? (
                            <span className="reply-stat">{comment.replyCount} reply</span>
                          ) : (
                            <span className="reply-stat">{comment.replyCount} replies</span>
                          )
                        ) : (
                          <span className="reply-stat">No replies yet</span>
                        )
                      ) : (
                        <span className="reply-stat">{formatState(comment.state)}</span>
                      )
                    ) : (
                      <span className="reply-stat">{formatState(comment.state)}</span>
                    )}
                    <hr />
                  </div>
                </BottomBar>
                {comment.replyCount > 2 ? (
                  <div id="bottombar-mobile">
                    <hr style={{marginTop: "30px"}} />
                    <TopBar selectedStyle={selectedStyle} style={{marginTop: "-5px"}}>
                      <span className="style-changer">
                        Style:
                         
                        <select id="style-selector" onChange={handleStyleChange} value={selectedStyle}>
                          <option value="Yotsuba">Yotsuba</option>
                          <option value="Yotsuba-B">Yotsuba B</option>
                          <option value="Futaba">Futaba</option>
                          <option value="Burichan">Burichan</option>
                          <option value="Tomorrow">Tomorrow</option>
                          <option value="Photon">Photon</option>
                        </select>
                      </span>
                      {comment ? (
                        comment.replyCount !== undefined ? (
                          comment.replyCount > 0 ? (
                            comment.replyCount === 1 ? (
                              <span className="reply-stat">{comment.replyCount} reply</span>
                            ) : (
                              <span className="reply-stat">{comment.replyCount} replies</span>
                            )
                          ) : (
                            <span className="reply-stat">No replies yet</span>
                          )
                        ) : (
                          <span className="reply-stat">Loading...</span>
                        )
                      ) : (
                        null
                      )}
                      <hr />
                    </TopBar>
                    <ReplyFormLink id="post-form-link" selectedStyle={selectedStyle} >
                      <div id="post-form-link-mobile" className="post-button-mobile">
                        <span className="btn-wrap">
                          <span style={{cursor: 'pointer'}} onClick={() => {setIsReplyOpen(true); setSelectedParentCid(comment.cid); setSelectedShortCid(comment.shortCid);}} onMouseOver={(event) => event.target.style.cursor='pointer'}>Post a Reply</span>
                        </span>
                      </div>
                      <div id="btns-container">
                        <div id="return-button-mobile">
                          <span className="btn-wrap">
                            <Link to={`/p/${selectedAddress}`}>Return</Link>
                          </span>
                        </div>
                        <div id="catalog-button-mobile" style={{paddingRight: "2px"}}>
                          <span className="btn-wrap">
                            <Link to={`/p/${selectedAddress}/catalog`}>Catalog</Link>
                          </span>
                        </div>
                        <span className="bottom-bar-top">
                          <span className="btn-wrap">
                            <span onClick={() => window.scrollTo(0, 0)} 
                            onMouseOver={(event) => event.target.style.cursor='pointer'} 
                            onTouchStart={() => window.scrollTo(0, 0)}
                            style={{cursor: 'pointer', marginRight: "10px", marginLeft: "10px"}}
                            >Top</span>
                          </span>
                        </span>
                      </div>
                    </ReplyFormLink>
                  </div>
                ) : (null)}
            </>
          )) : null}
        </BoardForm>
        <Footer selectedStyle={selectedStyle}>
          <Break id="break" selectedStyle={selectedStyle} style={{
            marginTop: "-36px",
            width: "100%",
          }} />
          <Break selectedStyle={selectedStyle} style={{
            width: "100%",
          }} />
          <span className="style-changer" style={{
            float: "right",
            marginTop: "2px",
          }}>
            Style:
             
            <select id="style-selector" onChange={handleStyleChange} value={selectedStyle}>
              <option value="Yotsuba">Yotsuba</option>
              <option value="Yotsuba-B">Yotsuba B</option>
              <option value="Futaba">Futaba</option>
              <option value="Burichan">Burichan</option>
              <option value="Tomorrow">Tomorrow</option>
              <option value="Photon">Photon</option>
            </select>
          </span>
          <NavBar selectedStyle={selectedStyle} style={{
            marginTop: "42px",
          }}>
            <>
              {defaultSubplebbits.map(subplebbit => (
                <span className="boardList" key={`span-${subplebbit.address}`}>
                  [
                  <Link key={`a-${subplebbit.address}`} 
                  to={`/p/${subplebbit.address}`} 
                  onClick={() => {
                    setSelectedTitle(subplebbit.title);
                    setSelectedAddress(subplebbit.address);
                  }}
                  >{subplebbit.title ? subplebbit.title : subplebbit.address}</Link>
                  ]&nbsp;
                </span>
              ))}
              <span className="nav">
                [
                <Link to={`/p/${selectedAddress}/c/${selectedThread}/settings`} onClick={() => setIsSettingsOpen(true)}>Settings</Link>
                ]
                [
                <Link to="/" onClick={() => handleStyleChange({target: {value: "Yotsuba"}}
                )}>Home</Link>
                ]
              </span>
            </>
          </NavBar>
          <div id="version">
            plebchan v{version}. GPL-2.0
          </div>
          <div className="footer-links"
            style={{
              textAlign: "center",
              fontSize: "x-small",
              fontFamily: "arial",
              marginTop: "5px",
              marginBottom: "15px",
            }}>
            <a style={{textDecoration: 'underline'}} href="https://plebbit.com" target="_blank" rel="noopener noreferrer">About</a>
            &nbsp;•&nbsp;  
            <a style={{textDecoration: 'underline'}} href="https://github.com/plebbit/plebchan/releases/latest" target="_blank" rel="noopener noreferrer">App</a>
            &nbsp;•&nbsp;
            <a style={{textDecoration: 'underline'}} href="https://twitter.com/plebchan_eth" target="_blank" rel="noopener noreferrer">Twitter</a>
            &nbsp;•&nbsp;  
            <a style={{textDecoration: 'underline'}} href="https://t.me/plebbit" target="_blank" rel="noopener noreferrer">Telegram</a>
          </div>
        </Footer>
      </Container>
    </>
  );
}

export default Thread;