import React, { useEffect, useMemo, useState } from 'react';
import { Helmet } from 'react-helmet-async';
import { Link, useNavigate, useParams } from 'react-router-dom';
import { Tooltip } from 'react-tooltip';
import { useAccount, useAccountComment } from '@plebbit/plebbit-react-hooks';
import useGeneralStore from '../../hooks/stores/useGeneralStore';
import { Container, NavBar, Header, Break, PostForm, BoardForm } from '../styled/views/Board.styled';
import { ReplyFormLink, TopBar, BottomBar } from '../styled/views/Thread.styled';
import ImageBanner from '../ImageBanner';
import Post from '../Post';
import PostLoader from '../PostLoader';
import SettingsModal from '../modals/SettingsModal';
import getCommentMediaInfo from '../../utils/getCommentMediaInfo';
import getDate from '../../utils/getDate';
import handleQuoteClick from '../../utils/handleQuoteClick';
import handleStyleChange from '../../utils/handleStyleChange';
import useError from '../../hooks/useError';
import useStateString from '../../hooks/useStateString';
import packageJson from '../../../package.json'
const {version} = packageJson


const Pending = () => {
  const {
    defaultSubplebbits,
    isSettingsOpen, setIsSettingsOpen,
    selectedAddress, setSelectedAddress,
    selectedStyle,
    selectedTitle, setSelectedTitle,
    showPostFormLink
  } = useGeneralStore(state => state);

  const { index } = useParams();

  const account = useAccount();
  const comment = useAccountComment({commentIndex: index});

  useEffect(() => {
    setSelectedAddress(comment?.subplebbitAddress);
  }, [comment, setSelectedAddress]);

  const stateString = useStateString(comment)

  const errorString = useMemo(() => {
    if (comment?.state === 'failed') {
      let errorString = 'Failed fetching pending thread. Pending index: ' + index;
      if (comment.error) {
        errorString += `: ${comment.error.toString().slice(0, 300)}`
      }
      return errorString
    }
  }, [comment?.state, comment?.error, index])

  useEffect(() => {
    if (errorString) {
      setErrorMessage(errorString);
    }
  }, [errorString]);

  const [visible] = useState(true);

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

  const navigate = useNavigate();
  const [commentMediaInfo, setCommentMediaInfo] = useState(null);
  const fallbackImgUrl = "assets/filedeleted-res.gif";

  // mobile navbar board select functionality
  const handleSelectChange = (event) => {
    const selected = event.target.value;

    if (selected === 'subscriptions') {
      navigate(`/p/subscriptions`);
      return;
    } else if (selected === 'all') {
      navigate(`/p/all`);
      return;
    }

    const selectedTitle = defaultSubplebbits.find((subplebbit) => subplebbit.address === selected).title;
    setSelectedTitle(selectedTitle);
    setSelectedAddress(selected);
    navigate(`/p/${selected}`);
  };

  // get comment media info
  useEffect(() => {
    if (comment && comment.link) {
      const mediaInfo = getCommentMediaInfo(comment);
      setCommentMediaInfo(mediaInfo);
    }
  }, [comment]);
  

  return (
    <>
      <Helmet>
        <title>{`plebchan - Pending Thread #${parseInt(index) + 1}`}</title>
      </Helmet>
      <Container>
        <SettingsModal
        selectedStyle={selectedStyle}
        isOpen={isSettingsOpen}
        closeModal={() => setIsSettingsOpen(false)} />
        <NavBar selectedStyle={selectedStyle}>
          <>
          <span className="boardList">
            [
              <Link to={`/p/all`}>All</Link>
                 / 
              <Link to={`/p/subscriptions`}>Subscriptions</Link>
            ]&nbsp;[
            {defaultSubplebbits.map((subplebbit, index) => (
              <span className="boardList" key={`span-${subplebbit.address}`}>
                {index === 0 ? null : "\u00a0"}
                <Link to={`/p/${subplebbit.address}`} key={`a-${subplebbit.address}`} onClick={() => {
                setSelectedTitle(subplebbit.title);
                setSelectedAddress(subplebbit.address);
                }}
                >{subplebbit.title ? subplebbit.title : subplebbit.address}</Link>
                {index !== defaultSubplebbits.length - 1 ? " /" : null}
              </span>
            ))}
            ]
          </span>
            <span className="nav">
              [
              <Link to={`/profile/c/${index}/settings`} onClick={() => setIsSettingsOpen(true)}>Settings</Link>
              ]
              [
              <Link to="/" onClick={() => handleStyleChange({target: {value: "Yotsuba"}}
              )}>Home</Link>
              ]
            </span>
            <div id="board-nav-mobile" style={{ top: visible ? 0 : '-23px' }}>
              <div className="board-select">
                <strong>Board</strong>
                &nbsp;
                <select id="board-select-mobile" value={selectedAddress} onChange={handleSelectChange}>
                  <option value="all">All</option>
                  <option value="subscriptions">Subscriptions</option>
                  {defaultSubplebbits.map(subplebbit => (
                      <option key={`option-${subplebbit.address}`} value={subplebbit.address}
                      >{subplebbit.title ? subplebbit.title : subplebbit.address}</option>
                    ))}
                </select>
              </div>
              <div className="page-jump">
                <Link to={`/profile/c/${index}/settings`} onClick={() => setIsSettingsOpen(true)}>Settings</Link>
                &nbsp;
                <Link to="/" onClick={() => handleStyleChange({target: {value: "Yotsuba"}}
                  )}>Home</Link>
              </div>
            </div>
            <div id="separator-mobile">&nbsp;</div>
            <div id="separator-mobile">&nbsp;</div>
          </>
        </NavBar>
        <Header selectedStyle={selectedStyle}>
          <>
            <div className="banner">
              <ImageBanner />
            </div>
              <>
              <div className="board-title">{selectedTitle ?? null}</div>
              <div className="board-address">{selectedAddress ? ("p/" + selectedAddress) : null}</div>
              </>
          </>
        </Header>
        <Break selectedStyle={selectedStyle} />
        <PostForm selectedStyle={selectedStyle} name="post" action="" method="post" enctype="multipart/form-data">
          <ReplyFormLink id="post-form-link" showReplyFormLink={showPostFormLink} selectedStyle={selectedStyle} >
            <div id="return-button-mobile">
              <span className="btn-wrap">
                <Link to={`/p/${selectedAddress}`} onClick={()=> {window.scrollTo(0, 0)}}>Return</Link>
              </span>
            </div>
            <div id="catalog-button-mobile">
              <span className="btn-wrap">
                <Link to={`/p/${selectedAddress}/catalog`} onClick={()=> {window.scrollTo(0, 0)}}>Catalog</Link>
              </span>
            </div>
            <div>&nbsp;</div>
          </ReplyFormLink>
        </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/${selectedAddress}`} onClick={()=> {window.scrollTo(0, 0)}}>Return</Link>
            ]
          </span>
          <span className="return-button catalog-button" id="catalog-button-desktop">
            [
            <Link to={`/p/${selectedAddress}/catalog`} onClick={()=> {window.scrollTo(0, 0)}}>Catalog</Link>
            ]
          </span>
            <span className={stateString ? "reply-stat ellipsis" : ""}>{stateString}</span>
          <hr />
        </TopBar>
        <Tooltip id="tooltip" className="tooltip" />
        <BoardForm selectedStyle={selectedStyle}>
          {comment !== undefined ? (
            <>
              <div className="thread">
                <div className="op-container">
                  <div className="post op">
                    <div className="post-info">
                    {commentMediaInfo?.url ? (
                        <div key={`f-${"pending"}`} className="file" style={{marginBottom: "5px"}}>
                          <div key={`ft-${"pending"}`} className="file-text">
                            Link:&nbsp;
                            <a key={`fa-${"pending"}`} href={commentMediaInfo.url} 
                            target="_blank" rel="noreferrer">{
                            commentMediaInfo?.url.length > 30 ?
                            commentMediaInfo?.url.slice(0, 30) + "(...)" :
                            commentMediaInfo?.url
                            }</a>&nbsp;({commentMediaInfo?.type})
                          </div>
                          {commentMediaInfo?.type === "webpage" ? (
                            <span key={`fta-${"pending"}`} className="file-thumb">
                              <img key={`fti-${"pending"}`} src={comment.thumbnailUrl} alt="thumbnail" onError={(e) => e.target.src = fallbackImgUrl} />
                            </span>
                          ) : null}
                          {commentMediaInfo?.type === "image" ? (
                            <span key={`fta-${"pending"}`} className="file-thumb">
                              <img key={`fti-${"pending"}`} src={commentMediaInfo.url} alt={commentMediaInfo.type} onError={(e) => e.target.src = fallbackImgUrl} />
                            </span>
                          ) : null}
                          {commentMediaInfo?.type === "video" ? (
                            <span key={`fta-${"pending"}`} className="file-thumb">
                              <video controls key={`fti-${"pending"}`} src={commentMediaInfo.url} alt={commentMediaInfo.type} onError={(e) => e.target.src = fallbackImgUrl} />
                            </span>
                          ) : null}
                          {commentMediaInfo?.type === "audio" ? (
                            <span key={`fta-${"pending"}`} className="file-thumb">
                              <audio controls key={`fti-${"pending"}`} src={commentMediaInfo.url} alt={commentMediaInfo.type} onError={(e) => e.target.src = fallbackImgUrl} />
                            </span>
                          ) : null}
                        </div>
                      ) : null}
                      <span className="name-block">
                          {comment.title ? (
                            comment.title.length > 75 ?
                            <>
                              <span key={`q-${"pending"}`} className="title"
                              data-tooltip-id="tooltip"
                              data-tooltip-content={comment.title}
                              data-tooltip-place="top">
                                {comment.title.slice(0, 75) + " (...)"}
                              </span>
                            </>
                          : <span key={`q-${"pending"}`} className="title">
                            {comment.title}
                            </span>) 
                          : null}
                        &nbsp;
                        {comment.author?.displayName
                          ? comment.author?.displayName.length > 20
                          ? <>
                              <span key={`n-${"pending"}`} 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-${"pending"}`} className="name">
                              {comment.author?.displayName}</span>
                          : <span key={`n-${"pending"}`} className="name">
                            Anonymous</span>}
                          &nbsp;
                        &nbsp;
                        <span className="poster-address">
                          (u/{account.author?.shortAddress})
                        </span>
                        &nbsp;
                        <span className="date-time" data-utc="data">{getDate(comment?.timestamp)}</span>
                        &nbsp;
                        <span className="post-number">
                          <Link to="" title="Link to this post">c/</Link>
                          <span key="pending" style={{color: 'red', fontWeight: '700'}}>Pending</span>
                        </span>&nbsp;&nbsp;
                        <button key={`pmb-${"pending"}`} className="post-menu-button" title="Post menu" style={{ all: 'unset', cursor: 'pointer' }}>▶</button>
                      </span>
                      <blockquote key={`blockquote-${"pending"}`}>
                        <Post content={comment.content} comment={comment} handleQuoteClick={handleQuoteClick} key={`post-${"pending"}`} />
                      </blockquote>
                    </div>
                  </div>
                </div>
              </div>
              <div className="thread-mobile" key="thread-mobile">
                <hr />
                <div className="op-container" key="op-container">
                    <div key={`mob-po-${"pending"}`} className="post op">
                      <div key={`mob-pi-${"pending"}`} className="post-info-mobile">
                        <button style={{ all: 'unset', cursor: 'pointer' }} key={`mob-pb-${"pending"}`} className="post-menu-button-mobile" onClick={() => {}}>...</button>
                        <span className="name-block-mobile">
                          {comment.author?.displayName
                          ? comment.author?.displayName.length > 15
                          ? <>
                              <span key={`mob-n-${"pending"}`} className="name-mobile"
                              data-tooltip-id="tooltip"
                              data-tooltip-content={comment.author?.displayName}
                              data-tooltip-place="top">
                                {comment.author?.displayName.slice(0, 15) + " (...)"}
                              </span>
                            </> 
                            : <span key={`mob-n-${"pending"}`} className="name-mobile">
                              {comment.author?.displayName}</span>
                          : <span key={`mob-n-${"pending"}`} className="name-mobile">
                            Anonymous</span>}
                          &nbsp;
                          <span key={`mob-pa-${"pending"}`} className="poster-address-mobile">
                            (u/{account.author?.shortAddress})&nbsp;
                          </span>
                          <br key={`mob-br1-${"pending"}`} />
                          {comment.title ? (
                              comment.title.length > 30 ?
                              <>
                                <span key={`mob-t-${"pending"}`} 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-${"pending"}`} className="subject-mobile">
                                {comment.title}
                              </span>) : null}
                        </span>
                        <span key={`mob-dt-${"pending"}`} className="date-time-mobile">
                          {getDate(comment?.timestamp)}
                          &nbsp;
                          <button id="reply-button" style={{ all: 'unset' }} key={`mob-no-${"pending"}`}>c/</button>
                          &nbsp;
                          <span key="pending-mob" style={{color: 'red', fontWeight: '700'}}>Pending</span>
                        </span>
                      </div>
                      {commentMediaInfo?.url ? (
                        commentMediaInfo.type === "webpage" ? (
                          <div key={`mob-f-${"pending"}`} className="file-mobile">
                            <span key={`mob-ft${"pending"}`} className="file-thumb-mobile">
                              <img key={`mob-img-${"pending"}`} src={comment.thumbnailUrl} alt="thumbnail" onError={(e) => e.target.src = fallbackImgUrl} />
                              <div key={`mob-fi-${"pending"}`} className="file-info-mobile">{commentMediaInfo.type}</div>
                            </span>
                          </div>
                        ) : commentMediaInfo.type === "image" ? (
                          <div key={`mob-f-${"pending"}`} className="file-mobile">
                            <span key={`mob-ft${"pending"}`} className="file-thumb-mobile">
                              <img key={`mob-img-${"pending"}`} src={commentMediaInfo.url} alt={commentMediaInfo.type} onError={(e) => e.target.src = fallbackImgUrl} />
                              <div key={`mob-fi-${"pending"}`} className="file-info-mobile">{commentMediaInfo.type}</div>
                            </span>
                          </div>
                        ) : commentMediaInfo.type === "video" ? (
                          <div key={`mob-f-${"pending"}`} className="file-mobile">
                            <span key={`mob-ft${"pending"}`} className="file-thumb-mobile">
                              <video controls key={`mob-img-${"pending"}`} src={commentMediaInfo.url} alt={commentMediaInfo.type} onError={(e) => e.target.src = fallbackImgUrl} />
                              <div key={`mob-fi-${"pending"}`} className="file-info-mobile">{commentMediaInfo.type}</div>
                            </span>
                          </div>
                        ) : commentMediaInfo.type === "audio" ? (
                          <div key={`mob-f-${"pending"}`} className="file-mobile">
                            <span key={`mob-ft${"pending"}`} className="file-thumb-mobile">
                              <audio controls key={`mob-img-${"pending"}`} src={commentMediaInfo.url} alt={commentMediaInfo.type} onError={(e) => e.target.src = fallbackImgUrl} />
                              <div key={`mob-fi-${"pending"}`} className="file-info-mobile">{commentMediaInfo.type}</div>
                            </span>
                          </div>
                        ) : null
                      ) : null}
                      <blockquote key={`mob-bq-${"pending"}`} className="post-message-mobile">
                        {comment.content ? (
                          <>
                            <Post content={comment.content} handleQuoteClick={handleQuoteClick} comment={comment} key={`post-mobile-${"pending"}`} /> 
                          </>
                        ) : null}
                      </blockquote>
                    </div>
                  </div>
              </div>
              <BottomBar selectedStyle={selectedStyle}>
                  <div id="bottombar-desktop">
                    <hr />
                  </div>
              </BottomBar>
            </>
          ) : (
            <PostLoader />
          )}
        </BoardForm>
        <div style={{
          textAlign: "center",
          fontSize: "11px",
          marginTop: "2em",
          marginBottom: "2em",
        }}>
          plebchan v{version}. GPL-2.0
        </div>
      </Container>
    </>
  );
}

export default Pending;