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import React, { useEffect, useState, useRef } from 'react';
import ReactRouterPropTypes from 'react-router-prop-types';
import { UserType } from './Types';
import { Link } from 'react-router-dom';
import moment from 'moment';
import Message from './Message';
import MessageInput from './MessageInput';
import Spinner from './Spinner';
import Avatar from './Avatar';
import Button from './Button';
import { format, embedUrls } from '../utils/embed';
import { getMessages, comment, markReadTracker } from '../api';
function Comment({ msg, visitor, active, setActive }) {
const embedRef = useRef();
const msgRef = useRef();
useEffect(() => {
if (msgRef.current) {
embedUrls(msgRef.current.querySelectorAll('a'), embedRef.current);
if (!embedRef.current.hasChildNodes()) {
embedRef.current.style.display = 'none';
}
}
}, []);
return (
<div className="msg-cont">
<div className="msg-header">
<Avatar user={msg.user}>
<div className="msg-ts">
{msg.replyto > 0 &&
(
<a href={`#${msg.replyto}`} className="info-avatar"><img src={msg.to.avatar} /> {msg.to.uname} </a>
)}
</div>
</Avatar>
</div>
{
msg.html ? <div className="msg-txt" dangerouslySetInnerHTML={{ __html: msg.body }} ref={msgRef} />
:
<div className="msg-txt" ref={msgRef}>
<p dangerouslySetInnerHTML={{ __html: format(msg.body, msg.mid, (msg.tags || []).indexOf('code') >= 0) }} />
</div>
}
{
msg.photo &&
<p className="ir"><a href={`//i.juick.com/p/${msg.mid}-${msg.rid}.${msg.attach}`} data-fname={`${msg.mid}-${msg.rid}.${msg.attach}`}>
<img src={`//i.juick.com/p/${msg.mid}-${msg.rid}.${msg.attach}`} alt="" /></a>
</p>
}
<div className="embedContainer" ref={embedRef} />
<div className="msg-links">
{
visitor.uid > 0 ? (
<>
{active === msg.rid || <span style={linkStyle} onClick={() => setActive(msg.rid)}>Reply</span>}
{active === msg.rid && <MessageInput data={msg} onSend={postComment}>Write a comment...</MessageInput>}
</>
) : (
<>
<span> · </span>{active === msg.rid || <Button>Reply</Button>}
</>
)
}
</div>
</div>
);
}
export default function Thread(props) {
const [message, setMessage] = useState(props.location.state || {});
const [replies, setReplies] = useState([]);
const [loading, setLoading] = useState(false);
const [active, setActive] = useState(0);
useEffect(() => {
if (props.connection) {
props.connection.addEventListener('msg', onReply);
}
setActive(0);
loadReplies();
return () => {
if (props.connection) {
props.connection.removeEventListener('msg', onReply);
}
}
}, [props.connection]);
let loadReplies = () => {
document.body.scrollTop = 0;
document.documentElement.scrollTop = 0;
setReplies([]);
setLoading(true);
const { mid } = props.match.params;
let params = {
mid: mid
};
if (props.visitor && props.visitor.hash) {
params.hash = props.visitor.hash;
}
getMessages('/api/thread', params)
.then(response => {
setMessage(response.data.shift());
setReplies(response.data);
setLoading(false);
setActive(0);
}
).catch(ex => {
console.log(ex);
});
}
let onReply = (json) => {
const msg = JSON.parse(json.data);
if (msg.mid == message.mid) {
setReplies([...this.state.replies, msg]);
}
}
let postComment = (template) => {
const { mid, rid, body, attach } = template;
comment(mid, rid, body, attach).then(res => {
loadReplies();
})
.catch(console.log);
}
const loaders = Math.min(message.replies || 0, 10);
return (
<>
{
message.mid ? (
<Message data={message} visitor={props.visitor}>
{active === (message.rid || 0) && <MessageInput data={message} onSend={postComment}>Write a comment...</MessageInput>}
</Message>
) : (
<Spinner />
)
}
<ul id="replies">
{
!loading ? replies.map((msg) => (
<li id={msg.rid} key={msg.rid} className="msg">
<Comment msg={msg} visitor={props.visitor} active={active} setActive={setActive} />
</li>
)) : (
<>
{Array(loaders).fill().map((it, i) => <Spinner key={i} />)}
</>
)
}
</ul>
</>
);
}
const linkStyle = {
cursor: 'pointer'
};
Thread.propTypes = {
location: ReactRouterPropTypes.location,
history: ReactRouterPropTypes.history,
match: ReactRouterPropTypes.match,
visitor: UserType.isRequired
};
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