Files
2022-05-30 06:16:10 +01:00

144 lines
4.3 KiB
React

import React, { useState, useEffect, useRef, useContext } from 'react';
import { TokenContext } from '../utilities/token-provider';
import { io } from 'socket.io-client';
import '../../styles/popup-chat.css';
//TODO: I very much need to move this out of global state
const socket = io(`${process.env.CHAT_URI}/chat`);
const PopupChat = props => {
const [open, setOpen] = useState(false);
const [chatlog, setChatlog] = useState([{ emphasis: true, text: 'If chat doesn\'t load, reload the page' }]);
const inputRef = useRef();
const sendRef = useRef();
const endRef = useRef();
const authTokens = useContext(TokenContext);
const pushChatlog = line => setChatlog(prevChatlog => [...prevChatlog, line]);
useEffect(() => {
socket.on('message', message => pushChatlog(message));
socket.on('backlog', messages => setChatlog(prev => [...prev, ...messages]));
socket.on('disconnect', reason => pushChatlog({ emphasis: true, text: 'Lost connection' }));
}, []);
useEffect(() => {
if (open) {
endRef.current.scrollIntoView();
}
}, [chatlog, open]);
if (!open) {
return (
<div className='chat'>
<button type='button' className='open' onClick={() => authTokens.tokenCallback(accessToken => handleOpen(setOpen, accessToken))}>Open Chat</button>
</div>
);
}
return (
<div className='chat'>
<div className='log'>
<ul className='scrollable'>
{chatlog.map((line, index) => processLine(line, index, authTokens.accessToken))}
<li ref={endRef} />
</ul>
</div>
<input type='text' className='input' placeholder='message' onKeyPress={evt => evt.key == 'Enter' ? sendRef.current.click() : ''} ref={inputRef} />
<button type='button' className='send' onClick={() => authTokens.tokenCallback(accessToken => handleSend(inputRef, pushChatlog, authTokens.getPayload().username, accessToken))} ref={sendRef}>Send</button>
<button type='button' className='close' onClick={() => handleClose(setOpen)}>Close Chat</button>
</div>
);
};
//handlers
const handleOpen = (setOpen, accessToken) => {
setOpen(true);
socket.emit('open chat', {
accessToken
});
};
const handleClose = setOpen => {
setOpen(false);
};
const handleSend = (inputRef, pushChatlog, username, accessToken) => {
if (inputRef.current.value == '') {
return;
}
socket.emit('message', {
accessToken,
text: inputRef.current.value
});
if (!inputRef.current.value.startsWith('/')) {
pushChatlog({ createdAt: (new Date(Date.now())).toISOString(), username: username, text: inputRef.current.value });
}
inputRef.current.value = '';
};
//render each line
const processLine = (line, index, accessToken) => {
//utility functions
const isValidDate = d => {
return d instanceof Date && !isNaN(d);
};
const isToday = d => {
const now = new Date(Date.now());
return d.getDate() == now.getDate() && d.getMonth() == now.getMonth() && d.getFullYear() == now.getFullYear();
};
const isThisYear = d => {
const now = new Date(Date.now());
return d.getFullYear() == now.getFullYear();
};
//parse the date
const date = new Date(line.createdAt);
//split it up so we can format each field individually
const year = `${date.getFullYear()}`;
const month = `${date.getMonth() + 1}`;
const day = `${date.getDate()}`;
const hours = `${date.getHours()}`;
const minutes = `${date.getMinutes()}`.padStart(2, '0');
//combine into the final timestamp
const timestamp = !isValidDate(date) ? '' : isToday(date) ? `${hours}:${minutes}` : isThisYear(date) ? `${month}/${day}` : `${year}`;
//generate the content string
let content = <div className='content row'>{timestamp.length > 0 ? <span className='timestamp col'>{timestamp}</span> : null }<span className='inner col'>{line.username ? <span className='username'>{line.username}: </span> : ''}{line.text ? <span className='text'>{line.text}</span> : ''}</span></div>;
//decorators
if (line.emphasis) {
content = <em>{content}</em>;
}
if (line.strong) {
content = <strong>{content}</strong>;
}
return <li key={index} className='line table noCollapse'>{content}<a className='report' onClick={() => processReport(line, accessToken)}>!!!</a></li>;
};
const processReport = (line, accessToken) => {
const yes = confirm('Report this message?');
if (yes) {
socket.emit('report', {
accessToken,
index: line.index
});
}
};
export default PopupChat;