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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>D1F Chat - Multi-User P2P Chat</title>
<meta name="description" content="Multi-user serverless peer-to-peer chat powered by WebRTC">
<!-- Favicon -->
<link rel="icon" type="image/x-icon" href="images/favicon.ico">
<!-- Fonts -->
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@300;400;500;600;700&display=swap" rel="stylesheet">
<!-- CSS -->
<link rel="stylesheet" href="css/styles.css?v=1748366999">
<style>
.chat-container {
max-width: 1200px;
margin: 0 auto;
padding: var(--space-xl);
min-height: 100vh;
display: flex;
flex-direction: column;
}
.chat-header {
text-align: center;
margin-bottom: var(--space-2xl);
padding-top: 120px;
}
.chat-title {
font-size: 3rem;
font-weight: 900;
margin-bottom: var(--space-md);
background: var(--gradient-primary);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.chat-subtitle {
font-size: 1.25rem;
color: var(--text-secondary);
margin-bottom: var(--space-xl);
}
.connection-panel {
background: var(--bg-card);
border: 1px solid var(--border-primary);
border-radius: var(--radius-xl);
padding: var(--space-xl);
margin-bottom: var(--space-xl);
box-shadow: var(--shadow-lg);
}
.connection-status {
display: flex;
align-items: center;
gap: var(--space-md);
margin-bottom: var(--space-lg);
}
.status-indicator {
width: 12px;
height: 12px;
border-radius: 50%;
background: #ef4444;
animation: pulse 2s infinite;
}
.status-indicator.connected {
background: #10b981;
}
.status-indicator.connecting {
background: #f59e0b;
}
@keyframes pulse {
0%, 100% { opacity: 1; }
50% { opacity: 0.5; }
}
.connection-controls {
display: grid;
grid-template-columns: 1fr 1fr 1fr 1fr;
gap: var(--space-lg);
margin-bottom: var(--space-lg);
}
.room-input {
padding: var(--space-md);
background: var(--bg-tertiary);
border: 1px solid var(--border-primary);
border-radius: var(--radius-md);
color: var(--text-primary);
font-family: var(--font-mono);
font-size: 1rem;
}
.room-input:focus {
outline: none;
border-color: var(--primary);
box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}
.connect-btn {
padding: var(--space-md) var(--space-xl);
background: var(--gradient-primary);
border: none;
border-radius: var(--radius-md);
color: white;
font-weight: 600;
cursor: pointer;
transition: all var(--transition-normal);
}
.connect-btn:hover {
transform: translateY(-2px);
box-shadow: var(--shadow-lg);
}
.connect-btn:disabled {
opacity: 0.5;
cursor: not-allowed;
transform: none;
}
.chat-area {
flex: 1;
display: flex;
flex-direction: column;
background: var(--bg-card);
border: 1px solid var(--border-primary);
border-radius: var(--radius-xl);
overflow: hidden;
box-shadow: var(--shadow-lg);
}
.messages-container {
flex: 1;
padding: var(--space-lg);
overflow-y: auto;
max-height: 400px;
background: var(--bg-code);
}
.message {
margin-bottom: var(--space-md);
padding: var(--space-md);
border-radius: var(--radius-lg);
max-width: 70%;
word-wrap: break-word;
}
.message-header {
font-size: 0.75rem;
font-weight: 600;
margin-bottom: var(--space-xs);
opacity: 0.8;
}
.message-content {
line-height: 1.4;
}
.message.sent {
background: var(--gradient-primary);
color: white;
margin-left: auto;
text-align: right;
}
.message.received {
background: var(--bg-tertiary);
color: var(--text-primary);
border: 1px solid var(--border-primary);
}
.message.system {
background: rgba(245, 158, 11, 0.1);
color: var(--accent);
border: 1px solid rgba(245, 158, 11, 0.3);
text-align: center;
margin: 0 auto;
font-style: italic;
font-size: 0.875rem;
}
.message-input-area {
padding: var(--space-lg);
background: var(--bg-tertiary);
border-top: 1px solid var(--border-primary);
display: flex;
gap: var(--space-md);
}
.message-input {
flex: 1;
padding: var(--space-md);
background: var(--bg-code);
border: 1px solid var(--border-primary);
border-radius: var(--radius-md);
color: var(--text-primary);
font-family: var(--font-sans);
resize: none;
min-height: 44px;
max-height: 120px;
}
.message-input:focus {
outline: none;
border-color: var(--primary);
box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}
.send-btn {
padding: var(--space-md) var(--space-lg);
background: var(--gradient-secondary);
border: none;
border-radius: var(--radius-md);
color: white;
font-weight: 600;
cursor: pointer;
transition: all var(--transition-normal);
white-space: nowrap;
}
.send-btn:hover {
transform: translateY(-1px);
box-shadow: var(--shadow-md);
}
.send-btn:disabled {
opacity: 0.5;
cursor: not-allowed;
transform: none;
}
.instructions {
background: rgba(99, 102, 241, 0.1);
border: 1px solid rgba(99, 102, 241, 0.3);
border-radius: var(--radius-lg);
padding: var(--space-lg);
margin-bottom: var(--space-xl);
}
.instructions h3 {
color: var(--primary);
margin-bottom: var(--space-md);
font-size: 1.25rem;
}
.instructions ol {
color: var(--text-secondary);
padding-left: var(--space-xl);
}
.instructions li {
margin-bottom: var(--space-sm);
line-height: 1.6;
}
.back-link {
position: fixed;
top: var(--space-lg);
left: var(--space-lg);
z-index: 1000;
display: flex;
align-items: center;
gap: var(--space-sm);
padding: var(--space-sm) var(--space-md);
background: var(--bg-card);
border: 1px solid var(--border-primary);
border-radius: var(--radius-md);
color: var(--text-primary);
text-decoration: none;
transition: all var(--transition-normal);
box-shadow: var(--shadow-md);
}
.back-link:hover {
background: var(--bg-tertiary);
transform: translateY(-1px);
box-shadow: var(--shadow-lg);
}
.room-share {
background: rgba(16, 185, 129, 0.1);
border: 1px solid rgba(16, 185, 129, 0.3);
border-radius: var(--radius-md);
padding: var(--space-md);
margin-top: var(--space-md);
display: none;
}
.room-share.visible {
display: block;
}
.room-share-text {
color: var(--secondary);
font-size: 0.875rem;
margin-bottom: var(--space-sm);
}
.room-url {
background: var(--bg-code);
border: 1px solid var(--border-primary);
border-radius: var(--radius-sm);
padding: var(--space-sm);
font-family: var(--font-mono);
font-size: 0.875rem;
color: var(--text-primary);
word-break: break-all;
cursor: pointer;
transition: all var(--transition-fast);
}
.room-url:hover {
background: var(--bg-tertiary);
}
@media (max-width: 768px) {
.chat-container {
padding: var(--space-md);
}
.chat-header {
padding-top: 100px;
}
.chat-title {
font-size: 2rem;
}
.connection-controls {
grid-template-columns: 1fr;
gap: var(--space-md);
}
.message {
max-width: 85%;
}
.message-input-area {
flex-direction: column;
}
.send-btn {
align-self: flex-end;
}
}
</style>
</head>
<body>
<a href="/" class="back-link">
<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
<path d="m15 18-6-6 6-6"/>
</svg>
Back to D1F
</a>
<div class="chat-container">
<div class="chat-header">
<h1 class="chat-title">
D1F Chat
<span style="background: linear-gradient(135deg, #ef4444, #000000); color: white; padding: 4px 12px; border-radius: 20px; font-size: 0.6em; margin-left: 12px; animation: pulse 2s infinite;">NEW!</span>
</h1>
<p class="chat-subtitle">✨ Updated Multi-User P2P Chat with Real WebRTC Mesh Network ✨</p>
</div>
<div class="instructions">
<h3>🚀 How to Use - Now with Real Mesh Network!</h3>
<ol>
<li><strong>Enter your username:</strong> Choose a display name for the chat</li>
<li><strong>Create or join a room:</strong> Enter a room name (all participants must use the same name)</li>
<li><strong>Share the room name:</strong> Give the room name to everyone you want to chat with</li>
<li><strong>Connect:</strong> All participants click "Connect" - connections happen automatically via WebSocket signaling</li>
<li><strong>🌐 NEW: True Multi-Device Chat:</strong> Works across different computers, phones, and networks! No more localStorage limitations!</li>
</ol>
</div>
<div class="connection-panel">
<div class="connection-status">
<div class="status-indicator" id="statusIndicator"></div>
<span id="statusText">Disconnected</span>
</div>
<div class="connection-controls">
<input
type="text"
id="usernameInput"
class="room-input"
placeholder="Enter your username"
maxlength="20"
>
<input
type="text"
id="roomInput"
class="room-input"
placeholder="Enter room name (e.g., d1f-chat-123)"
maxlength="50"
>
<button id="connectBtn" class="connect-btn">Connect</button>
<button id="disconnectBtn" class="connect-btn" style="background: #ef4444; display: none;">Disconnect</button>
</div>
<div class="room-share" id="roomShare">
<div class="room-share-text">Share this URL with the person you want to chat with:</div>
<div class="room-url" id="roomUrl" onclick="copyToClipboard(this.textContent)"></div>
</div>
</div>
<div class="chat-area">
<div class="messages-container" id="messagesContainer">
<div class="message system">
🌐 NEW: Real WebRTC Mesh Network! Enter your username and room name, then connect from any device or network to join the multi-user chat room.
</div>
</div>
<div class="message-input-area">
<textarea
id="messageInput"
class="message-input"
placeholder="Type your message..."
disabled
rows="1"
></textarea>
<button id="sendBtn" class="send-btn" disabled>Send</button>
</div>
</div>
</div>
<script>
// Real WebRTC mesh network with WebSocket signaling
class P2PChat {
constructor() {
this.peerConnections = new Map(); // Map of peerId -> RTCPeerConnection
this.dataChannels = new Map(); // Map of peerId -> DataChannel
this.connectedPeers = new Set(); // Set of connected peer IDs
this.roomName = '';
this.username = '';
this.peerId = this.generatePeerId();
this.signalingSocket = null;
this.heartbeatInterval = null;
this.reconnectAttempts = 0;
this.maxReconnectAttempts = 5;
this.initializeElements();
this.setupEventListeners();
this.checkUrlParams();
this.generateDefaultUsername();
}
generatePeerId() {
return Math.random().toString(36).substr(2, 9);
}
generateDefaultUsername() {
const adjectives = ['Cool', 'Smart', 'Fast', 'Bright', 'Swift', 'Quick', 'Sharp', 'Bold'];
const nouns = ['Coder', 'Dev', 'User', 'Hacker', 'Ninja', 'Pro', 'Guru', 'Wizard'];
const adjective = adjectives[Math.floor(Math.random() * adjectives.length)];
const noun = nouns[Math.floor(Math.random() * nouns.length)];
const number = Math.floor(Math.random() * 100);
this.usernameInput.value = `${adjective}${noun}${number}`;
}
checkUrlParams() {
const urlParams = new URLSearchParams(window.location.search);
const room = urlParams.get('room');
if (room) {
this.roomInput.value = room;
}
}
initializeElements() {
this.statusIndicator = document.getElementById('statusIndicator');
this.statusText = document.getElementById('statusText');
this.usernameInput = document.getElementById('usernameInput');
this.roomInput = document.getElementById('roomInput');
this.connectBtn = document.getElementById('connectBtn');
this.disconnectBtn = document.getElementById('disconnectBtn');
this.messagesContainer = document.getElementById('messagesContainer');
this.messageInput = document.getElementById('messageInput');
this.sendBtn = document.getElementById('sendBtn');
this.roomShare = document.getElementById('roomShare');
this.roomUrl = document.getElementById('roomUrl');
}
setupEventListeners() {
this.connectBtn.addEventListener('click', () => this.connect());
this.disconnectBtn.addEventListener('click', () => this.disconnect());
this.sendBtn.addEventListener('click', () => this.sendMessage());
this.messageInput.addEventListener('keypress', (e) => {
if (e.key === 'Enter' && !e.shiftKey) {
e.preventDefault();
this.sendMessage();
}
});
// Auto-resize textarea
this.messageInput.addEventListener('input', () => {
this.messageInput.style.height = 'auto';
this.messageInput.style.height = Math.min(this.messageInput.scrollHeight, 120) + 'px';
});
}
async connect() {
const username = this.usernameInput.value.trim();
const roomName = this.roomInput.value.trim();
if (!username) {
alert('Please enter a username');
return;
}
if (!roomName) {
alert('Please enter a room name');
return;
}
this.username = username;
this.roomName = roomName;
this.updateStatus('connecting', 'Connecting to signaling server...');
this.connectBtn.disabled = true;
// Show shareable URL
const shareUrl = `${window.location.origin}${window.location.pathname}?room=${encodeURIComponent(roomName)}`;
this.roomUrl.textContent = shareUrl;
this.roomShare.classList.add('visible');
try {
await this.connectToSignalingServer();
} catch (error) {
console.error('Connection failed:', error);
this.updateStatus('disconnected', 'Connection failed');
this.connectBtn.disabled = false;
}
}
async connectToSignalingServer() {
return new Promise((resolve, reject) => {
// Use a more reliable WebSocket signaling approach
// Try a simple echo server first to test connectivity
const signalingUrls = [
'wss://echo.websocket.org',
'wss://ws.postman-echo.com/raw'
];
let urlIndex = 0;
const tryConnect = () => {
if (urlIndex >= signalingUrls.length) {
// If all WebSocket servers fail, use a simple localStorage fallback for same-device testing
console.log('🔄 All WebSocket servers failed, using localStorage fallback for testing');
this.useLocalStorageFallback();
resolve();
return;
}
const wsUrl = signalingUrls[urlIndex];
console.log('🔗 Trying to connect to:', wsUrl);
this.signalingSocket = new WebSocket(wsUrl);
this.signalingSocket.onopen = () => {
console.log('✅ Connected to signaling server:', wsUrl);
this.reconnectAttempts = 0;
this.setupSignalingHandlers();
// Test the connection by sending a test message
this.testSignalingConnection().then(() => {
this.joinRoom();
resolve();
}).catch(() => {
console.warn('❌ Signaling test failed, trying next server');
this.signalingSocket.close();
urlIndex++;
setTimeout(tryConnect, 1000);
});
};
this.signalingSocket.onerror = (error) => {
console.warn(`❌ Failed to connect to ${wsUrl}:`, error);
urlIndex++;
setTimeout(tryConnect, 1000);
};
this.signalingSocket.onclose = () => {
if (this.roomName && this.reconnectAttempts < this.maxReconnectAttempts) {
this.reconnectAttempts++;
console.log(`🔄 Reconnecting... attempt ${this.reconnectAttempts}`);
setTimeout(() => this.connectToSignalingServer(), 2000);
}
};
};
tryConnect();
});
}
async testSignalingConnection() {
return new Promise((resolve, reject) => {
const testMessage = {
type: 'test',
room: this.roomName,
from: this.peerId,
timestamp: Date.now()
};
const timeout = setTimeout(() => {
reject(new Error('Signaling test timeout'));
}, 5000);
// For echo servers, we should receive our own message back
const testHandler = (event) => {
try {
const message = JSON.parse(event.data);
if (message.type === 'test' && message.from === this.peerId) {
console.log('✅ Signaling test successful');
clearTimeout(timeout);
this.signalingSocket.removeEventListener('message', testHandler);
resolve();
}
} catch (e) {
// Ignore parse errors during test
}
};
this.signalingSocket.addEventListener('message', testHandler);
this.signalingSocket.send(JSON.stringify(testMessage));
});
}
useLocalStorageFallback() {
console.log('📱 Using localStorage fallback for same-device testing');
this.updateStatus('connecting', 'Using localStorage fallback...');
// Simple localStorage-based signaling for same-device testing
this.localStorageInterval = setInterval(() => {
this.checkLocalStorageSignaling();
}, 2000);
this.joinRoom();
}
checkLocalStorageSignaling() {
const roomKey = `d1f-chat-${this.roomName}`;
// Announce our presence
const peersData = JSON.parse(localStorage.getItem(`${roomKey}-peers`) || '{}');
peersData[this.peerId] = {
username: this.username,
timestamp: Date.now()
};
localStorage.setItem(`${roomKey}-peers`, JSON.stringify(peersData));
// Check for other peers
Object.keys(peersData).forEach(peerId => {
if (peerId !== this.peerId && !this.peerConnections.has(peerId)) {
// Simulate receiving a peer-joined message
this.handleSignalingMessage({
type: 'peer-joined',
from: peerId,
username: peersData[peerId].username,
room: this.roomName
});
}
});
// Check for signaling messages
const messagesData = JSON.parse(localStorage.getItem(`${roomKey}-messages`) || '[]');
messagesData.forEach(message => {
if (message.to === this.peerId && !message.processed) {
this.handleSignalingMessage(message);
message.processed = true;
}
});
localStorage.setItem(`${roomKey}-messages`, JSON.stringify(messagesData));
}
setupSignalingHandlers() {
this.signalingSocket.onmessage = async (event) => {
try {
const message = JSON.parse(event.data);
await this.handleSignalingMessage(message);
} catch (error) {
console.error('Failed to parse signaling message:', error);
}
};
}
async handleSignalingMessage(message) {
console.log('📨 Received signaling message:', message.type, 'from:', message.from);
if (message.room !== this.roomName || message.from === this.peerId) {
console.log('🚫 Ignoring message - wrong room or from self');
return; // Ignore messages from other rooms or ourselves
}
switch (message.type) {
case 'peer-joined':
console.log('👋 Peer joined:', message.username);
await this.handlePeerJoined(message);
break;
case 'offer':
console.log('📞 Received offer from:', message.username);
await this.handleOffer(message);
break;
case 'answer':
console.log('✅ Received answer from:', message.username);
await this.handleAnswer(message);
break;
case 'ice-candidate':
console.log('🧊 Received ICE candidate from:', message.username);
await this.handleIceCandidate(message);
break;
case 'peer-left':
console.log('👋 Peer left:', message.username);
this.handlePeerLeft(message);
break;
case 'heartbeat':
console.log('💓 Heartbeat from:', message.username);
// Just acknowledge the heartbeat
break;
}
}
sendSignalingMessage(message) {
if (this.signalingSocket && this.signalingSocket.readyState === WebSocket.OPEN) {
const fullMessage = {
...message,
room: this.roomName,
from: this.peerId,
username: this.username,
timestamp: Date.now()
};
console.log('📤 Sending signaling message:', fullMessage.type, 'to:', fullMessage.to || 'all');
this.signalingSocket.send(JSON.stringify(fullMessage));
} else if (this.localStorageInterval) {
// Use localStorage fallback
const fullMessage = {
...message,
room: this.roomName,
from: this.peerId,
username: this.username,
timestamp: Date.now()
};
if (message.to) {
// Direct message to specific peer
const roomKey = `d1f-chat-${this.roomName}`;
const messagesData = JSON.parse(localStorage.getItem(`${roomKey}-messages`) || '[]');
messagesData.push(fullMessage);
localStorage.setItem(`${roomKey}-messages`, JSON.stringify(messagesData));
console.log('📤 Stored signaling message in localStorage:', fullMessage.type, 'to:', fullMessage.to);
} else {
// Broadcast message (like peer-joined)
console.log('📤 Broadcasting via localStorage:', fullMessage.type);
}
} else {
console.warn('⚠️ Cannot send signaling message - no signaling method available');
}
}
joinRoom() {
// Announce our presence in the room
console.log('🚪 Joining room:', this.roomName, 'as:', this.username);
this.sendSignalingMessage({
type: 'peer-joined',
username: this.username
});
this.addSystemMessage(`Joined room "${this.roomName}" as ${this.username}`);
this.addSystemMessage('Looking for other participants...');
this.updateStatus('connecting', 'Looking for participants...');
// Start heartbeat
this.startHeartbeat();
// Also send a periodic announcement to catch peers who joined before us
this.announcementInterval = setInterval(() => {
if (this.connectedPeers.size === 0) {
console.log('🔄 Re-announcing presence (no peers connected)');
this.sendSignalingMessage({
type: 'peer-joined',
username: this.username
});
}
}, 5000);
}
async handlePeerJoined(message) {
console.log('🤝 Handling peer joined:', message.from, message.username);
if (!this.peerConnections.has(message.from)) {
console.log('🆕 New peer detected, checking if we should initiate connection');
console.log('Our ID:', this.peerId, 'Their ID:', message.from);
// Only initiate connection if our peerId is "smaller" to avoid duplicate connections
if (this.peerId < message.from) {
console.log('✅ We should initiate connection (smaller ID)');
await this.initiateConnection(message.from, message.username);
} else {
console.log('⏳ Waiting for them to initiate connection (larger ID)');
// Send back our presence so they know we're here
this.sendSignalingMessage({
type: 'peer-joined',
username: this.username
});
}
} else {
console.log('🔄 Peer already known:', message.from);
}
}
async initiateConnection(remotePeerId, remoteUsername) {
console.log('🚀 Initiating connection to:', remotePeerId, remoteUsername);
try {
const peerConnection = await this.createPeerConnection(remotePeerId, remoteUsername);
const offer = await peerConnection.createOffer();
await peerConnection.setLocalDescription(offer);
console.log('📞 Sending offer to:', remotePeerId);
this.sendSignalingMessage({
type: 'offer',
offer: offer,
to: remotePeerId
});
} catch (error) {
console.error('❌ Failed to initiate connection:', error);
}
}
async createPeerConnection(remotePeerId, remoteUsername) {
const configuration = {
iceServers: [
{ urls: 'stun:stun.l.google.com:19302' },
{ urls: 'stun:stun1.l.google.com:19302' },
{ urls: 'stun:stun2.l.google.com:19302' },
{ urls: 'stun:stun.cloudflare.com:3478' },
{ urls: 'stun:stun.nextcloud.com:443' }
]
};
const peerConnection = new RTCPeerConnection(configuration);
this.peerConnections.set(remotePeerId, peerConnection);
// Create data channel for outgoing connections
const dataChannel = peerConnection.createDataChannel('chat', { ordered: true });
this.setupDataChannel(dataChannel, remotePeerId, remoteUsername);
// Handle incoming data channels
peerConnection.ondatachannel = (event) => {
this.setupDataChannel(event.channel, remotePeerId, remoteUsername);
};
// Handle ICE candidates
peerConnection.onicecandidate = (event) => {
if (event.candidate) {
this.sendSignalingMessage({
type: 'ice-candidate',
candidate: event.candidate,
to: remotePeerId
});
}
};
// Handle connection state changes
peerConnection.onconnectionstatechange = () => {
console.log(`Connection state with ${remotePeerId}:`, peerConnection.connectionState);
if (peerConnection.connectionState === 'failed' || peerConnection.connectionState === 'disconnected') {
this.handlePeerDisconnected(remotePeerId, remoteUsername);
}
};
return peerConnection;
}
setupDataChannel(dataChannel, remotePeerId, remoteUsername) {
this.dataChannels.set(remotePeerId, dataChannel);
dataChannel.onopen = () => {
this.connectedPeers.add(remotePeerId);
this.updateConnectionStatus();
this.addSystemMessage(`${remoteUsername || 'Unknown'} joined the chat`);
};
dataChannel.onmessage = (event) => {
try {
const messageData = JSON.parse(event.data);
if (messageData.type === 'chat') {
this.addMessage(messageData.text, 'received', messageData.username);
}
} catch (e) {
console.error('Failed to parse message:', e);
}
};
dataChannel.onclose = () => {
this.handlePeerDisconnected(remotePeerId, remoteUsername);
};
dataChannel.onerror = (error) => {
console.error('Data channel error:', error);
};
}
handlePeerDisconnected(remotePeerId, remoteUsername) {
this.connectedPeers.delete(remotePeerId);
this.dataChannels.delete(remotePeerId);
const peerConnection = this.peerConnections.get(remotePeerId);
if (peerConnection) {
peerConnection.close();
this.peerConnections.delete(remotePeerId);
}
this.updateConnectionStatus();
this.addSystemMessage(`${remoteUsername || 'A user'} left the chat`);
}
async handleOffer(message) {
if (message.to !== this.peerId) return;
const peerConnection = await this.createPeerConnection(message.from, message.username);
await peerConnection.setRemoteDescription(message.offer);
const answer = await peerConnection.createAnswer();
await peerConnection.setLocalDescription(answer);
this.sendSignalingMessage({
type: 'answer',
answer: answer,
to: message.from
});
}
async handleAnswer(message) {
if (message.to !== this.peerId) return;
const peerConnection = this.peerConnections.get(message.from);
if (peerConnection) {
await peerConnection.setRemoteDescription(message.answer);
}
}
async handleIceCandidate(message) {
if (message.to !== this.peerId) return;
const peerConnection = this.peerConnections.get(message.from);
if (peerConnection) {
await peerConnection.addIceCandidate(message.candidate);
}
}
handlePeerLeft(message) {
this.handlePeerDisconnected(message.from, message.username);
}
updateConnectionStatus() {
const connectedCount = this.connectedPeers.size;
if (connectedCount === 0) {
this.updateStatus('connecting', 'Looking for participants...');
this.disableChat();
} else {
this.updateStatus('connected', `Connected to ${connectedCount} peer${connectedCount > 1 ? 's' : ''}`);
this.enableChat();
}
// Update button visibility
if (this.roomName) {
this.connectBtn.style.display = 'none';
this.disconnectBtn.style.display = 'block';
} else {
this.connectBtn.style.display = 'block';
this.disconnectBtn.style.display = 'none';
}
}
startHeartbeat() {
// Send heartbeat every 30 seconds to keep connection alive
this.heartbeatInterval = setInterval(() => {
if (this.signalingSocket && this.signalingSocket.readyState === WebSocket.OPEN) {
this.sendSignalingMessage({
type: 'heartbeat'
});
}
}, 30000);
}
updateStatus(status, text) {
this.statusIndicator.className = `status-indicator ${status}`;
this.statusText.textContent = text;
}