114 lines
3.2 KiB
React
114 lines
3.2 KiB
React
import React, { useState, useEffect, useRef, useContext } from 'react';
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import { TokenContext } from '../utilities/token-provider';
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import { io } from 'socket.io-client';
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import '../../styles/popup-chat.css';
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//TODO: I very much need to move this out of global state
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const socket = io(`${process.env.CHAT_URI}/chat`);
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const PopupChat = props => {
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const [open, setOpen] = useState(false);
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const [chatlog, setChatlog] = useState([{ emphasis: true, text: 'If chat doesn\'t load, reload the page' }]);
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const inputRef = useRef();
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const sendRef = useRef();
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const endRef = useRef();
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const authTokens = useContext(TokenContext);
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const pushChatlog = line => setChatlog(prevChatlog => [...prevChatlog, line]);
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useEffect(() => {
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socket.on('message', message => pushChatlog(message));
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socket.on('backlog', messages => setChatlog(prev => [...prev, ...messages]));
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socket.on('disconnect', reason => pushChatlog({ emphasis: true, text: 'Lost connection' }));
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}, []);
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useEffect(() => {
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if (open) {
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endRef.current.scrollIntoView();
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}
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}, [chatlog, open]);
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if (!open) {
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return (
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<div className='chat'>
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<button type='button' className='open' onClick={() => authTokens.tokenCallback(accessToken => handleOpen(setOpen, accessToken))}>Open Chat</button>
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</div>
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);
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}
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return (
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<div className='chat'>
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<div className='log'>
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<ul className='scrollable'>
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{chatlog.map((line, index) => processLine(line, index, authTokens.accessToken))}
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<li ref={endRef} />
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</ul>
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</div>
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<input type='text' className='input' placeholder='message' onKeyPress={evt => evt.key == 'Enter' ? sendRef.current.click() : ''} ref={inputRef} />
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<button type='button' className='send' onClick={() => authTokens.tokenCallback(accessToken => handleSend(inputRef, pushChatlog, authTokens.getPayload().username, accessToken))} ref={sendRef}>Send</button>
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<button type='button' className='close' onClick={() => handleClose(setOpen)}>Close Chat</button>
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</div>
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);
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};
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//handlers
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const handleOpen = (setOpen, accessToken) => {
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setOpen(true);
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socket.emit('open chat', {
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accessToken
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});
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};
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const handleClose = setOpen => {
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setOpen(false);
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};
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const handleSend = (inputRef, pushChatlog, username, accessToken) => {
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if (inputRef.current.value == '') {
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return;
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}
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socket.emit('message', {
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accessToken,
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text: inputRef.current.value
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});
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if (!inputRef.current.value.startsWith('/')) {
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pushChatlog({ username: username, text: inputRef.current.value });
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}
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inputRef.current.value = '';
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};
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//render each line
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const processLine = (line, index, accessToken) => {
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let content = <div className='content'>{line.username ? <span className='username'>{line.username}: </span> : ''}{line.text ? <span className='text'>{line.text}</span> : ''}</div>;
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//decorators
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if (line.emphasis) {
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content = <em>{content}</em>;
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}
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if (line.strong) {
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content = <strong>{content}</strong>;
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}
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return <li key={index} className='line'>{content}<a className='report' onClick={() => processReport(line, accessToken)}>!!!</a></li>;
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};
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const processReport = (line, accessToken) => {
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const yes = confirm('Report this message?');
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if (yes) {
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socket.emit('report', {
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accessToken,
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index: line.index
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});
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}
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};
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export default PopupChat; |