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Author SHA1 Message Date
fea88b277c feat: complete P2P polling app with vote management and UI improvements
- Add peer-to-peer polling with real-time synchronization via PeerJS
- Implement vote changing, unvoting, and proper vote validation
- Add modal interface for adding poll options
- Fix vote inheritance issues for new users joining rooms
- Create sidebar with available polls and connected peers
- Add vote count synchronization across all connected peers
- Implement proper vote state validation per user
- Add localStorage persistence for polls and vote states
- Create responsive design with modern UI components
- Replace emojis with proper text-based icons
- Add comprehensive error handling and user feedback
- Support multiple polls with switching capabilities
- Implement conflict resolution for concurrent voting
2026-03-09 13:37:31 +01:00
31 changed files with 2144 additions and 7136 deletions

41
.gitignore vendored
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# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
# dependencies
/node_modules
/.pnp
.pnp.*
.yarn/*
!.yarn/patches
!.yarn/plugins
!.yarn/releases
!.yarn/versions
# testing
/coverage
# next.js
/.next/
/out/
# production
/build
# misc
.DS_Store
*.pem
# debug
npm-debug.log*
yarn-debug.log*
yarn-error.log*
.pnpm-debug.log*
# env files (can opt-in for committing if needed)
.env*
# vercel
.vercel
# typescript
*.tsbuildinfo
next-env.d.ts

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# P2P Poll App # P2P Poll App
Remove-Item -Recurse -Force node_modules, .next
A peer-to-peer polling application where users can create polls, add options, and vote in real-time without a central server.
## Features
- **Real-time P2P voting** using WebRTC via PeerJS
- **Dynamic option management** - add/remove options during polling
- **Duplicate vote prevention** - one vote per user
- **Automatic data synchronization** across all connected peers
- **Local storage persistence** for poll recovery
- **Responsive design** works on desktop and mobile
- **No server required** - uses PeerJS free signaling service
## How to Use
1. **Open the app** in your browser (open `index.html`)
2. **First user (Host)**: Leave the Peer ID field empty and click "Connect to Host"
3. **Copy your Peer ID** using the "Copy Your Peer ID" button
4. **Share your Peer ID** with other users (via chat, email, etc.)
5. **Other users**: Paste the host's Peer ID and click "Connect to Host"
6. **Create a poll** with question and options
7. **Vote** by clicking on options (one vote per person)
8. **Watch results** update in real-time across all devices
## Technical Details
- **P2P Library**: PeerJS (WebRTC-based)
- **Frontend**: Vanilla JavaScript with modern CSS
- **Data Sync**: Custom conflict resolution for concurrent operations
- **Storage**: localStorage for basic persistence
- **Network**: Full mesh topology where each peer connects to all others
## File Structure
```
├── index.html # Main application
├── css/
│ └── styles.css # Application styling
└── js/
├── app.js # Main application logic
├── peer-manager.js # P2P connection handling
├── poll-manager.js # Poll data and sync logic
└── ui-controller.js # UI interactions
```
## Browser Support
Requires modern browsers with WebRTC support:
- Chrome 23+
- Firefox 22+
- Safari 11+
- Edge 79+
## Development
Simply open `index.html` in a browser - no build process required. For testing with multiple peers, open the app in multiple browser tabs or windows.

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@import "tailwindcss";
:root {
--background: #ffffff;
--foreground: #171717;
}
@theme inline {
--color-background: var(--background);
--color-foreground: var(--foreground);
--font-sans: var(--font-geist-sans);
--font-mono: var(--font-geist-mono);
}
@media (prefers-color-scheme: dark) {
:root {
--background: #0a0a0a;
--foreground: #ededed;
}
}
body {
background: var(--background);
color: var(--foreground);
font-family: Arial, Helvetica, sans-serif;
}

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import type { Metadata } from "next";
import "./globals.css";
export const metadata: Metadata = {
title: "p2p polling",
description: "creating a p2p-polling app",
};
export default function RootLayout({
children,
}: Readonly<{
children: React.ReactNode;
}>) {
return (
<html
lang="en"
className={` h-full antialiased`}
>
<body className="min-h-full flex flex-col">{children}</body>
</html>
);
}

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"use client";
import { useState } from "react";
import usePeerManager from "../hooks/usePeerManager";
import usePollManager from "../hooks/usePollManager";
import PollCreation from "../components/PollCreation";
import PollActive from "../components/PollActive";
import PeersList from "../components/PeersList";
export default function Page() {
const peerManager = usePeerManager();
const pollManager = usePollManager(peerManager);
const [connectId, setConnectId] = useState("");
return (
<div className="p-6 space-y-4">
<h1 className="text-2xl font-bold">P2P Poll App</h1>
{/* Connect */}
<div className="flex gap-2">
<input
className="border p-2"
placeholder="Peer ID"
value={connectId}
onChange={(e) => setConnectId(e.target.value)}
/>
<button
className="bg-blue-500 text-white px-4"
onClick={() => peerManager.connectToPeer(connectId)}
>
Connect
</button>
</div>
<p>Your ID: {peerManager.peerId}</p>
{pollManager.poll ? (
<PollActive pollManager={pollManager} peerId={peerManager.peerId} />
) : (
<PollCreation pollManager={pollManager} />
)}
<PeersList peers={peerManager.peers} />
</div>
);
}

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"use client";
type NotificationType = "info" | "success" | "error";
interface NotificationProps {
message: string;
type?: NotificationType;
}
export default function Notification({ message, type = "info" }: NotificationProps) {
const colors: Record<NotificationType, string> = {
info: "bg-blue-100 text-blue-700",
success: "bg-green-100 text-green-700",
error: "bg-red-100 text-red-700",
};
return (
<div className={`px-4 py-2 rounded shadow ${colors[type]}`}>
{message}
</div>
);
}

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"use client";
export default function PeersList({ peers }: { peers: string[] }) {
return (
<div>
<h3>Peers</h3>
{peers.length === 0 ? (
<p>No peers</p>
) : (
peers.map((p) => <div key={p}>{p}</div>)
)}
</div>
);
}

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"use client";
import PollOption from "./PollOption";
export default function PollActive({ pollManager, peerId }: any) {
const poll = pollManager.poll;
return (
<div>
<h2 className="text-xl font-bold">{poll.question}</h2>
{poll.options.map((opt: any) => (
<PollOption
key={opt.id}
option={opt}
pollManager={pollManager}
peerId={peerId}
/>
))}
</div>
);
}

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"use client";
import { useState } from "react";
export default function PollCreation({ pollManager }: any) {
const [question, setQuestion] = useState("");
const [options, setOptions] = useState<string[]>(["", ""]);
return (
<div>
<input
className="border p-2 w-full"
placeholder="Question"
value={question}
onChange={(e) => setQuestion(e.target.value)}
/>
{options.map((opt, i) => (
<input
key={i}
className="border p-2 w-full mt-2"
placeholder={`Option ${i + 1}`}
value={opt}
onChange={(e) => {
const newOpts = [...options];
newOpts[i] = e.target.value;
setOptions(newOpts);
}}
/>
))}
<button
className="bg-green-500 text-white px-4 mt-2"
onClick={() => pollManager.createPoll(question, options)}
>
Create Poll
</button>
</div>
);
}

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"use client";
export default function PollOption({ option, pollManager, peerId }: any) {
return (
<div
className="border p-2 mt-2 cursor-pointer"
onClick={() => pollManager.vote(option.id, peerId)}
>
{option.text} - {option.votes} votes
</div>
);
}

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* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
color: #333;
}
.container {
max-width: 1200px;
margin: 0 auto;
padding: 20px;
}
.main-content {
display: grid;
grid-template-columns: 280px 1fr;
gap: 20px;
margin-top: 20px;
}
.sidebar {
display: flex;
flex-direction: column;
gap: 20px;
}
.sidebar-section {
background: white;
border-radius: 12px;
padding: 20px;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.sidebar-section h3 {
margin: 0 0 15px 0;
color: #333;
font-size: 1.1rem;
}
.sidebar-hint {
margin-bottom: 10px;
}
.hint-text {
font-size: 0.8rem;
color: #6b7280;
font-style: italic;
text-align: center;
padding: 8px;
background: #f9fafb;
border-radius: 6px;
border: 1px solid #e5e7eb;
}
.polls-list {
max-height: 300px;
overflow-y: auto;
}
.poll-item {
padding: 12px;
border: 1px solid #e5e7eb;
border-radius: 8px;
margin-bottom: 8px;
cursor: pointer;
transition: all 0.3s;
position: relative;
}
.poll-item:hover {
border-color: #667eea;
background: #f9fafb;
transform: translateY(-1px);
}
.poll-item.active {
border-color: #667eea;
background: #ede9fe;
}
.poll-item-title {
font-weight: 500;
color: #333;
margin-bottom: 4px;
}
.poll-item-meta {
font-size: 0.8rem;
color: #6b7280;
}
.poll-item::after {
content: ">";
position: absolute;
right: 12px;
top: 50%;
transform: translateY(-50%);
color: #9ca3af;
font-size: 0.8rem;
opacity: 0;
transition: opacity 0.3s;
}
.poll-item:hover::after {
opacity: 1;
}
.no-polls {
color: #9ca3af;
font-style: italic;
text-align: center;
padding: 20px 0;
}
.peers-info {
display: flex;
flex-direction: column;
gap: 10px;
}
.peers-status {
display: flex;
justify-content: space-between;
align-items: center;
font-size: 0.9rem;
}
.status-text {
padding: 2px 8px;
border-radius: 12px;
font-size: 0.8rem;
font-weight: 500;
}
.status-text.connected {
background: #dcfce7;
color: #16a34a;
}
.status-text.disconnected {
background: #fef2f2;
color: #dc2626;
}
.status-text.connecting {
background: #fef3c7;
color: #d97706;
}
.peers-sidebar {
list-style: none;
margin: 0;
padding: 0;
max-height: 150px;
overflow-y: auto;
}
.peers-sidebar li {
padding: 6px 0;
border-bottom: 1px solid #f3f4f6;
font-size: 0.9rem;
color: #6b7280;
}
.peers-sidebar li:last-child {
border-bottom: none;
}
header {
background: white;
border-radius: 12px;
padding: 20px;
margin-bottom: 20px;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
display: flex;
justify-content: space-between;
align-items: center;
}
h1 {
color: #667eea;
font-size: 2rem;
}
.connection-status {
display: flex;
align-items: center;
gap: 10px;
font-size: 0.9rem;
}
#peer-id {
background: #f0f0f0;
padding: 5px 10px;
border-radius: 6px;
font-family: monospace;
max-width: 150px;
overflow: hidden;
text-overflow: ellipsis;
}
.status-connected {
color: #10b981;
}
.status-disconnected {
color: #ef4444;
}
.status-connecting {
color: #f59e0b;
}
.section {
background: white;
border-radius: 12px;
padding: 20px;
margin-bottom: 20px;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.section.hidden {
display: none;
}
h2 {
color: #333;
margin-bottom: 20px;
font-size: 1.5rem;
}
h3 {
color: #666;
margin-bottom: 15px;
font-size: 1.1rem;
}
.connection-info {
background: #f0f9ff;
padding: 15px;
border-radius: 8px;
margin-bottom: 20px;
border-left: 4px solid #3b82f6;
}
.connection-info p {
margin: 5px 0;
font-size: 0.9rem;
color: #1e40af;
}
.connection-controls {
display: flex;
gap: 10px;
margin-bottom: 20px;
flex-wrap: wrap;
}
input[type="text"] {
flex: 1;
min-width: 200px;
padding: 12px;
border: 2px solid #e5e7eb;
border-radius: 8px;
font-size: 1rem;
transition: border-color 0.3s;
}
input[type="text"]:focus {
outline: none;
border-color: #667eea;
}
button {
background: #667eea;
color: white;
border: none;
padding: 12px 20px;
border-radius: 8px;
font-size: 1rem;
cursor: pointer;
transition: all 0.3s;
}
button:hover {
background: #5a67d8;
transform: translateY(-1px);
}
button:disabled {
background: #9ca3af;
cursor: not-allowed;
transform: none;
}
button.small-btn {
padding: 8px 12px;
font-size: 0.9rem;
}
button.danger {
background: #ef4444;
}
button.danger:hover {
background: #dc2626;
}
.poll-form {
display: flex;
flex-direction: column;
gap: 15px;
}
#options-container {
display: flex;
flex-direction: column;
gap: 10px;
}
.option-input {
display: flex;
gap: 10px;
align-items: center;
}
.option-text {
flex: 1;
}
.remove-option-btn {
background: #ef4444;
color: white;
border: none;
padding: 4px 8px;
border-radius: 4px;
cursor: pointer;
font-size: 0.8rem;
display: flex;
align-items: center;
justify-content: center;
min-width: 60px;
}
.remove-option-btn.hidden {
display: none;
}
.poll-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 20px;
}
.vote-hint {
margin-bottom: 20px;
}
.vote-hint .hint-text {
font-size: 0.9rem;
color: #6b7280;
text-align: center;
padding: 10px;
background: #f0f9ff;
border-radius: 8px;
border: 1px solid #bfdbfe;
}
.options-list {
display: flex;
flex-direction: column;
gap: 15px;
}
.poll-option {
background: #f9fafb;
padding: 15px;
border-radius: 8px;
border: 2px solid transparent;
transition: all 0.3s;
cursor: pointer;
position: relative;
}
.poll-option:hover {
border-color: #667eea;
transform: translateY(-1px);
}
.poll-option.voted {
border-color: #10b981;
background: #ecfdf5;
}
.poll-option.voted::before {
content: "✓";
position: absolute;
top: 10px;
right: 10px;
background: #10b981;
color: white;
width: 20px;
height: 20px;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 12px;
font-weight: bold;
}
.poll-option.change-vote {
border-color: #f59e0b;
background: #fffbeb;
}
.poll-option.change-vote:hover {
border-color: #d97706;
}
.option-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 10px;
}
.option-text {
font-weight: 500;
color: #333;
}
.vote-count {
background: #667eea;
color: white;
padding: 4px 8px;
border-radius: 12px;
font-size: 0.8rem;
}
.vote-bar {
background: #e5e7eb;
height: 8px;
border-radius: 4px;
overflow: hidden;
}
.vote-fill {
background: #667eea;
height: 100%;
transition: width 0.3s ease;
}
.poll-actions {
display: flex;
gap: 10px;
margin-top: 20px;
}
.overlay {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0, 0, 0, 0.5);
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
z-index: 1000;
}
.overlay.hidden {
display: none;
}
.loading-spinner {
width: 40px;
height: 40px;
border: 4px solid #f3f3f3;
border-top: 4px solid #667eea;
border-radius: 50%;
animation: spin 1s linear infinite;
margin-bottom: 20px;
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
.notification {
position: fixed;
top: 20px;
right: 20px;
background: #333;
color: white;
padding: 15px 20px;
border-radius: 8px;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
z-index: 1001;
max-width: 300px;
}
.notification.success {
background: #10b981;
}
.notification.error {
background: #ef4444;
}
.notification.hidden {
display: none;
}
/* Modal Styles */
.modal {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0, 0, 0, 0.5);
display: flex;
justify-content: center;
align-items: center;
z-index: 1002;
}
.modal.hidden {
display: none;
}
.modal-content {
background: white;
border-radius: 12px;
width: 90%;
max-width: 400px;
box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
overflow: hidden;
}
.modal-header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 20px;
border-bottom: 1px solid #e5e7eb;
}
.modal-header h3 {
margin: 0;
color: #333;
font-size: 1.2rem;
}
.modal-close {
background: none;
border: none;
font-size: 1.5rem;
color: #6b7280;
cursor: pointer;
padding: 0;
width: 30px;
height: 30px;
display: flex;
align-items: center;
justify-content: center;
border-radius: 50%;
transition: all 0.3s;
}
.modal-close:hover {
background: #f3f4f6;
color: #374151;
}
.modal-body {
padding: 20px;
}
.modal-body input {
width: 100%;
padding: 12px;
border: 2px solid #e5e7eb;
border-radius: 8px;
font-size: 1rem;
transition: border-color 0.3s;
}
.modal-body input:focus {
outline: none;
border-color: #667eea;
}
.modal-footer {
padding: 20px;
border-top: 1px solid #e5e7eb;
display: flex;
gap: 10px;
justify-content: flex-end;
}
.btn-secondary {
background: #6b7280;
color: white;
}
.btn-secondary:hover {
background: #4b5563;
}
.btn-primary {
background: #667eea;
color: white;
}
.btn-primary:hover {
background: #5a67d8;
}
@media (max-width: 768px) {
.container {
padding: 10px;
}
.main-content {
grid-template-columns: 1fr;
gap: 15px;
}
.sidebar {
order: 2;
}
main {
order: 1;
}
header {
flex-direction: column;
gap: 15px;
text-align: center;
}
.connection-controls {
flex-direction: column;
}
.poll-header {
flex-direction: column;
gap: 10px;
align-items: flex-start;
}
}

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import { defineConfig, globalIgnores } from "eslint/config";
import nextVitals from "eslint-config-next/core-web-vitals";
import nextTs from "eslint-config-next/typescript";
const eslintConfig = defineConfig([
...nextVitals,
...nextTs,
// Override default ignores of eslint-config-next.
globalIgnores([
// Default ignores of eslint-config-next:
".next/**",
"out/**",
"build/**",
"next-env.d.ts",
]),
]);
export default eslintConfig;

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"use client";
import { useEffect, useRef, useState } from "react";
import Peer from "peerjs";
export default function usePeerManager() {
const [peerId, setPeerId] = useState<string | null>(null);
const [peers, setPeers] = useState<string[]>([]);
const peerRef = useRef<Peer | null>(null);
const connectionsRef = useRef<Map<string, any>>(new Map());
useEffect(() => {
const peer = new Peer();
peerRef.current = peer;
peer.on("open", (id) => {
setPeerId(id);
});
peer.on("connection", (conn) => {
conn.on("open", () => {
connectionsRef.current.set(conn.peer, conn);
setPeers(Array.from(connectionsRef.current.keys()));
});
conn.on("data", (data) => {
console.log("Received:", data);
});
conn.on("close", () => {
connectionsRef.current.delete(conn.peer);
setPeers(Array.from(connectionsRef.current.keys()));
});
});
return () => {
peer.destroy();
};
}, []);
const connectToPeer = (id: string) => {
if (!peerRef.current) return;
const conn = peerRef.current.connect(id);
conn.on("open", () => {
connectionsRef.current.set(conn.peer, conn);
setPeers(Array.from(connectionsRef.current.keys()));
});
};
const broadcast = (data: any) => {
connectionsRef.current.forEach((conn) => {
if (conn.open) conn.send(data);
});
};
return { peerId, peers, connectToPeer, broadcast };
}

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"use client";
import { useState } from "react";
type Option = {
id: string;
text: string;
votes: number;
voters: string[];
};
type Poll = {
id: string;
question: string;
options: Option[];
};
export default function usePollManager(peerManager: any) {
const [poll, setPoll] = useState<Poll | null>(null);
const [myVote, setMyVote] = useState<string | null>(null);
const createPoll = (question: string, options: string[]) => {
const newPoll: Poll = {
id: Date.now().toString(),
question,
options: options.map((opt, i) => ({
id: `opt-${i}`,
text: opt,
votes: 0,
voters: [],
})),
};
setPoll(newPoll);
peerManager.broadcast({ type: "poll", poll: newPoll });
};
const vote = (optionId: string, peerId: string) => {
if (!poll) return;
const updated = { ...poll };
updated.options.forEach((opt) => {
const index = opt.voters.indexOf(peerId);
if (index !== -1) {
opt.voters.splice(index, 1);
opt.votes--;
}
});
const option = updated.options.find((o) => o.id === optionId);
if (!option) return;
option.votes++;
option.voters.push(peerId);
setPoll(updated);
setMyVote(optionId);
peerManager.broadcast({
type: "vote",
optionId,
voterId: peerId,
});
};
return { poll, createPoll, vote, myVote };
}

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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>P2P Polling App</title>
<link rel="stylesheet" href="css/styles.css">
<script src="https://unpkg.com/peerjs@1.5.2/dist/peerjs.min.js"></script>
</head>
<body>
<div class="container">
<header>
<h1>P2P Polling App</h1>
<div class="connection-status">
<span id="peer-id">Loading...</span>
<span id="connection-indicator" class="status-disconnected"></span>
</div>
</header>
<div class="main-content">
<!-- Sidebar -->
<aside class="sidebar">
<div class="sidebar-section">
<h3>Available Polls</h3>
<div class="sidebar-hint">
<p class="hint-text">Click a poll to view and vote</p>
</div>
<div id="polls-list" class="polls-list">
<p class="no-polls">No polls created yet</p>
</div>
</div>
<div class="sidebar-section">
<h3>Connected Peers</h3>
<div class="peers-info">
<div class="peers-status">
<span>Count: <span id="peer-count">0</span></span>
<span id="connection-status-text" class="status-text">Disconnected</span>
</div>
<ul id="peers" class="peers-sidebar"></ul>
</div>
</div>
</aside>
<main>
<!-- Connection Setup -->
<section id="connection-section" class="section">
<h2>Connect to Peer</h2>
<div class="connection-info">
<p><strong>Host:</strong> Share your Peer ID below with others</p>
<p><strong>Joiner:</strong> Enter the host's Peer ID to connect</p>
</div>
<div class="connection-controls">
<input type="text" id="room-id" placeholder="Enter host's Peer ID to connect">
<button id="join-btn">Connect to Host / Create New Poll</button>
<button id="copy-id-btn">Copy Your Peer ID</button>
</div>
</section>
<!-- Poll Creation -->
<section id="poll-creation" class="section hidden">
<h2>Create Poll</h2>
<div class="poll-form">
<input type="text" id="poll-question" placeholder="Enter your poll question">
<div id="options-container">
<div class="option-input">
<input type="text" class="option-text" placeholder="Option 1">
<button class="remove-option-btn hidden">Remove</button>
</div>
<div class="option-input">
<input type="text" class="option-text" placeholder="Option 2">
<button class="remove-option-btn hidden">Remove</button>
</div>
</div>
<button id="add-option-btn">+ Add Option</button>
<button id="create-poll-btn">Create Poll</button>
</div>
</section>
<!-- Active Poll -->
<section id="active-poll" class="section hidden">
<div class="poll-header">
<h2 id="poll-question-display"></h2>
<button id="add-poll-option-btn" class="small-btn">+ Add Option</button>
</div>
<div class="vote-hint">
<p class="hint-text">Click any option to vote. Click your voted option again to remove your vote.</p>
</div>
<div id="poll-options" class="options-list"></div>
<div class="poll-actions">
<button id="reset-poll-btn">Reset Poll</button>
<button id="new-poll-btn" class="small-btn">New Poll</button>
</div>
</section>
</main>
</div>
<!-- Loading Overlay -->
<div id="loading-overlay" class="overlay hidden">
<div class="loading-spinner"></div>
<p>Connecting...</p>
</div>
<!-- Notification Toast -->
<div id="notification" class="notification hidden"></div>
<!-- Add Option Modal -->
<div id="add-option-modal" class="modal hidden">
<div class="modal-content">
<div class="modal-header">
<h3>Add New Option</h3>
<button class="modal-close" id="close-modal-btn">&times;</button>
</div>
<div class="modal-body">
<input type="text" id="new-option-input" placeholder="Enter new option text">
</div>
<div class="modal-footer">
<button id="cancel-modal-btn" class="btn-secondary">Cancel</button>
<button id="save-option-btn" class="btn-primary">Add Option</button>
</div>
</div>
</div>
</div>
<script src="js/peer-manager.js"></script>
<script src="js/poll-manager.js"></script>
<script src="js/ui-controller.js"></script>
<script src="js/app.js"></script>
</body>
</html>

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// Main application entry point
class P2PPollApp {
constructor() {
this.peerManager = null;
this.pollManager = null;
this.uiController = null;
this.isInitialized = false;
}
async initialize() {
try {
// Initialize peer manager
this.peerManager = new PeerManager();
this.pollManager = new PollManager(this.peerManager);
this.uiController = new UIController(this.peerManager, this.pollManager);
// Set up event handlers
this.setupEventHandlers();
// Initialize peer connection
await this.peerManager.initialize();
// Load saved data
this.pollManager.loadFromLocalStorage();
// If there are saved polls, update the sidebar
const savedPolls = this.pollManager.getAvailablePolls();
if (savedPolls.length > 0) {
this.uiController.updatePollsList(savedPolls);
}
this.isInitialized = true;
console.log('P2P Poll App initialized successfully');
} catch (error) {
console.error('Failed to initialize app:', error);
this.uiController?.showNotification('Failed to initialize app: ' + error.message, 'error');
}
}
setupEventHandlers() {
// Peer manager events
this.peerManager.onConnectionStatusChange = (status, peerId) => {
this.uiController.updatePeerId(peerId);
if (status === 'connected') {
this.uiController.showNotification('Connected to P2P network', 'success');
} else if (status === 'disconnected') {
this.uiController.showNotification('Disconnected from P2P network', 'error');
}
};
this.peerManager.onPeerConnected = (peerId) => {
this.uiController.showNotification(`Peer ${peerId} connected`, 'success');
// If we're the host and have polls, send them to the new peer
if (this.peerManager.isHost) {
const availablePolls = this.pollManager.getAvailablePolls();
if (availablePolls.length > 0) {
availablePolls.forEach(poll => {
this.peerManager.sendMessage(peerId, {
type: 'poll_update',
poll: poll,
senderId: this.peerManager.getPeerId()
});
});
// Also send current poll if there is one
const currentPoll = this.pollManager.getCurrentPoll();
if (currentPoll) {
this.peerManager.sendMessage(peerId, {
type: 'current_poll',
poll: currentPoll,
senderId: this.peerManager.getPeerId()
});
}
}
} else {
this.peerManager.sendMessage(peerId, {
type: 'sync_request',
senderId: this.peerManager.getPeerId()
});
}
};
this.peerManager.onPeerDisconnected = (peerId) => {
this.uiController.showNotification(`Peer ${peerId} disconnected`, 'info');
};
this.peerManager.onMessageReceived = (message, senderId) => {
this.handleMessage(message, senderId);
};
// Poll manager events
this.pollManager.onPollCreated = (poll) => {
this.uiController.renderPoll(poll);
};
this.pollManager.onPollUpdated = (poll) => {
this.uiController.renderPoll(poll);
};
this.pollManager.onPollSelected = (poll) => {
if (poll) {
this.uiController.renderPoll(poll);
this.uiController.showActivePoll();
} else {
this.uiController.showPollCreation();
}
};
this.pollManager.onPollsListUpdated = (polls) => {
this.uiController.updatePollsList(polls);
};
}
handleMessage(message, senderId) {
console.log('Processing message:', message, 'from:', senderId);
switch (message.type) {
case 'poll_update':
this.pollManager.syncPoll(message.poll);
break;
case 'current_poll':
this.pollManager.syncPoll(message.poll);
if (this.pollManager.getCurrentPoll() && this.pollManager.getCurrentPoll().id === message.poll.id) {
this.uiController.renderPoll(message.poll);
this.uiController.showActivePoll();
}
break;
case 'vote':
this.pollManager.handleVoteMessage(message.optionId, message.voterId);
break;
case 'unvote':
this.pollManager.handleUnvoteMessage(message.voterId);
break;
case 'poll_reset':
this.pollManager.handlePollReset();
break;
case 'sync_request':
const currentPoll = this.pollManager.getCurrentPoll();
if (currentPoll) {
this.peerManager.sendMessage(senderId, {
type: 'current_poll',
poll: currentPoll,
senderId: this.peerManager.getPeerId()
});
}
const availablePolls = this.pollManager.getAvailablePolls();
availablePolls.forEach(poll => {
this.peerManager.sendMessage(senderId, {
type: 'poll_update',
poll: poll,
senderId: this.peerManager.getPeerId()
});
});
break;
default:
console.warn('Unknown message type:', message.type);
}
}
destroy() {
if (this.peerManager) {
this.peerManager.destroy();
}
}
}
document.addEventListener('DOMContentLoaded', async () => {
const app = new P2PPollApp();
try {
await app.initialize();
} catch (error) {
console.error('App initialization failed:', error);
// Show error message to user
const errorDiv = document.createElement('div');
errorDiv.className = 'notification error';
errorDiv.textContent = 'Failed to initialize app. Please refresh the page.';
errorDiv.style.position = 'fixed';
errorDiv.style.top = '20px';
errorDiv.style.right = '20px';
errorDiv.style.zIndex = '1001';
document.body.appendChild(errorDiv);
}
// Cleanup on page unload
window.addEventListener('beforeunload', () => {
app.destroy();
});
});
// Handle page visibility changes
document.addEventListener('visibilitychange', () => {
if (document.hidden) {
console.log('Page hidden - connection may become unstable');
} else {
console.log('Page visible - checking connection status');
}
});

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class PeerManager {
constructor() {
this.peer = null;
this.connections = new Map();
this.roomId = null;
this.isHost = false;
this.onPeerConnected = null;
this.onPeerDisconnected = null;
this.onMessageReceived = null;
this.onConnectionStatusChange = null;
}
async initialize() {
try {
this.peer = new Peer({
debug: 2,
config: {
iceServers: [
{ urls: 'stun:stun.l.google.com:19302' },
{ urls: 'stun:stun1.l.google.com:19302' }
]
}
});
this.peer.on('open', (id) => {
console.log('My peer ID is:', id);
this.updateConnectionStatus('connected');
this.updatePeersList();
if (this.onConnectionStatusChange) {
this.onConnectionStatusChange('connected', id);
}
});
this.peer.on('connection', (conn) => {
this.handleIncomingConnection(conn);
});
this.peer.on('disconnected', () => {
this.updateConnectionStatus('disconnected');
this.updatePeersList();
});
this.peer.on('error', (err) => {
console.error('Peer error:', err);
this.updateConnectionStatus('error');
});
} catch (error) {
console.error('Failed to initialize peer:', error);
throw error;
}
}
async createRoom() {
if (!this.peer) {
throw new Error('Peer not initialized');
}
this.roomId = this.generateRoomId();
this.isHost = true;
console.log('Created room:', this.roomId);
return this.roomId;
}
async joinRoom(roomId) {
if (!this.peer) {
throw new Error('Peer not initialized');
}
this.roomId = roomId;
this.isHost = false;
console.log('Attempting to join room:', roomId);
try {
const conn = this.peer.connect(roomId);
await this.setupConnection(conn);
console.log('Successfully joined room');
return true;
} catch (error) {
console.error('Failed to join room:', error);
throw new Error('Could not connect to host. Make sure the host is online and you have the correct peer ID.');
}
}
handleIncomingConnection(conn) {
this.setupConnection(conn);
}
async setupConnection(conn) {
return new Promise((resolve, reject) => {
conn.on('open', () => {
console.log('Connected to:', conn.peer);
this.connections.set(conn.peer, conn);
this.updatePeersList();
if (this.isHost) {
if (this.onPeerConnected) {
this.onPeerConnected(conn.peer);
}
} else {
if (this.onPeerConnected) {
this.onPeerConnected(conn.peer);
}
}
resolve(conn);
});
conn.on('data', (data) => {
this.handleMessage(data, conn.peer);
});
conn.on('close', () => {
console.log('Connection closed:', conn.peer);
this.connections.delete(conn.peer);
this.updatePeersList();
if (this.onPeerDisconnected) {
this.onPeerDisconnected(conn.peer);
}
});
conn.on('error', (err) => {
console.error('Connection error:', err);
reject(err);
});
});
}
handleMessage(data, senderId) {
console.log('Received message:', data, 'from:', senderId);
if (this.onMessageReceived) {
this.onMessageReceived(data, senderId);
}
}
sendMessage(peerId, message) {
const conn = this.connections.get(peerId);
if (conn && conn.open) {
conn.send(message);
return true;
}
return false;
}
broadcastMessage(message) {
let sentCount = 0;
this.connections.forEach((conn, peerId) => {
if (conn.open) {
conn.send(message);
sentCount++;
}
});
return sentCount;
}
getPeerId() {
return this.peer ? this.peer.id : null;
}
getRoomId() {
return this.roomId;
}
getConnectedPeers() {
return Array.from(this.connections.keys());
}
getPeerCount() {
return this.connections.size;
}
isConnected() {
return this.peer && this.peer.disconnected !== true;
}
generateRoomId() {
return Math.random().toString(36).substr(2, 9).toUpperCase();
}
updateConnectionStatus(status) {
const indicator = document.getElementById('connection-indicator');
const statusText = document.getElementById('connection-status-text');
if (indicator) {
indicator.className = `status-${status}`;
}
if (statusText) {
statusText.textContent = status.charAt(0).toUpperCase() + status.slice(1);
statusText.className = `status-text ${status}`;
}
}
updatePeersList() {
const peersList = document.getElementById('peers');
const peerCount = document.getElementById('peer-count');
if (peersList && peerCount) {
peerCount.textContent = this.getPeerCount();
peersList.innerHTML = '';
if (this.getPeerCount() === 0) {
const li = document.createElement('li');
li.textContent = 'No connected peers';
li.style.fontStyle = 'italic';
li.style.color = '#9ca3af';
peersList.appendChild(li);
} else {
this.getConnectedPeers().forEach(peerId => {
const li = document.createElement('li');
li.textContent = `${peerId} ${peerId === this.peer.id ? '(You)' : ''}`;
li.style.fontWeight = peerId === this.peer.id ? 'bold' : 'normal';
li.style.color = peerId === this.peer.id ? '#667eea' : '#6b7280';
peersList.appendChild(li);
});
}
}
}
destroy() {
if (this.peer) {
this.connections.forEach(conn => conn.close());
this.peer.destroy();
this.peer = null;
this.connections.clear();
}
}
}

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class PollManager {
constructor(peerManager) {
this.peerManager = peerManager;
this.currentPoll = null;
this.availablePolls = new Map(); // pollId -> poll
this.myVotes = new Set();
this.onPollUpdated = null;
this.onPollCreated = null;
this.onPollSelected = null;
this.onPollsListUpdated = null;
}
createPoll(question, options) {
const poll = {
id: this.generatePollId(),
question: question.trim(),
options: options.map((text, index) => ({
id: `opt-${index}`,
text: text.trim(),
votes: 0,
voters: []
})),
createdBy: this.peerManager.getPeerId(),
createdAt: Date.now()
};
// Clear any existing votes when creating a new poll
this.myVotes.clear();
this.currentPoll = poll;
this.availablePolls.set(poll.id, poll);
this.saveToLocalStorage();
if (this.onPollCreated) {
this.onPollCreated(poll);
}
if (this.onPollsListUpdated) {
this.onPollsListUpdated(Array.from(this.availablePolls.values()));
}
// Broadcast new poll to all peers
this.broadcastPollUpdate();
return poll;
}
addOption(text) {
if (!this.currentPoll) {
throw new Error('No active poll');
}
const newOption = {
id: `opt-${Date.now()}`,
text: text.trim(),
votes: 0,
voters: []
};
this.currentPoll.options.push(newOption);
this.saveToLocalStorage();
this.notifyPollUpdated();
this.broadcastPollUpdate();
return newOption;
}
vote(optionId) {
if (!this.currentPoll) {
throw new Error('No active poll');
}
const myPeerId = this.peerManager.getPeerId();
// Check if already voted for this option
if (this.myVotes.has(optionId)) {
return false;
}
this.removePreviousVote(myPeerId);
// Add new vote
const option = this.currentPoll.options.find(opt => opt.id === optionId);
if (!option) {
throw new Error('Option not found');
}
option.votes++;
option.voters.push(myPeerId);
this.myVotes.add(optionId);
this.saveToLocalStorage();
this.notifyPollUpdated();
this.broadcastVote(optionId, myPeerId);
return true;
}
removePreviousVote(peerId) {
if (!this.currentPoll) return;
this.currentPoll.options.forEach(option => {
const voterIndex = option.voters.indexOf(peerId);
if (voterIndex !== -1) {
option.votes--;
option.voters.splice(voterIndex, 1);
// Remove from my votes if it's my vote
if (peerId === this.peerManager.getPeerId()) {
this.myVotes.delete(option.id);
}
}
});
}
resetPoll() {
if (!this.currentPoll) {
throw new Error('No active poll');
}
this.currentPoll.options.forEach(option => {
option.votes = 0;
option.voters = [];
});
this.myVotes.clear();
this.saveToLocalStorage();
this.notifyPollUpdated();
this.broadcastPollReset();
}
syncPoll(pollData) {
if (!this.availablePolls.has(pollData.id)) {
this.availablePolls.set(pollData.id, pollData);
this.saveToLocalStorage();
if (this.onPollsListUpdated) {
this.onPollsListUpdated(Array.from(this.availablePolls.values()));
}
}
if (!this.currentPoll || this.currentPoll.id === pollData.id) {
this.currentPoll = pollData;
this.availablePolls.set(pollData.id, pollData);
this.validateMyVotes(pollData);
this.saveToLocalStorage();
if (this.onPollCreated) {
this.onPollCreated(pollData);
}
} else if (this.currentPoll.id === pollData.id) {
this.mergePollData(pollData);
this.availablePolls.set(pollData.id, this.currentPoll);
this.validateMyVotes(this.currentPoll);
this.saveToLocalStorage();
this.notifyPollUpdated();
}
}
mergePollData(remotePoll) {
const localOptions = new Map(this.currentPoll.options.map(opt => [opt.id, opt]));
const remoteOptions = new Map(remotePoll.options.map(opt => [opt.id, opt]));
remoteOptions.forEach((remoteOpt, id) => {
if (!localOptions.has(id)) {
this.currentPoll.options.push(remoteOpt);
localOptions.set(id, remoteOpt);
}
});
this.currentPoll.options.forEach(localOpt => {
const remoteOpt = remoteOptions.get(localOpt.id);
if (remoteOpt) {
const allVoters = new Set([...localOpt.voters, ...remoteOpt.voters]);
localOpt.voters = Array.from(allVoters);
localOpt.votes = localOpt.voters.length;
}
});
}
handleVoteMessage(optionId, voterId) {
if (!this.currentPoll) return;
this.removePreviousVote(voterId);
const option = this.currentPoll.options.find(opt => opt.id === optionId);
if (option && !option.voters.includes(voterId)) {
option.votes++;
option.voters.push(voterId);
// Update my votes if this is my vote
if (voterId === this.peerManager.getPeerId()) {
this.myVotes.add(optionId);
}
this.saveToLocalStorage();
this.notifyPollUpdated();
}
}
handleUnvoteMessage(voterId) {
if (!this.currentPoll) return;
// Remove vote from this voter
this.removePreviousVote(voterId);
// Update my votes if this is my vote
if (voterId === this.peerManager.getPeerId()) {
this.myVotes.clear();
}
this.saveToLocalStorage();
this.notifyPollUpdated();
}
handlePollReset() {
if (!this.currentPoll) return;
this.currentPoll.options.forEach(option => {
option.votes = 0;
option.voters = [];
});
this.myVotes.clear();
this.saveToLocalStorage();
this.notifyPollUpdated();
}
broadcastPollUpdate() {
if (!this.currentPoll) return;
this.peerManager.broadcastMessage({
type: 'poll_update',
poll: this.currentPoll,
senderId: this.peerManager.getPeerId()
});
}
broadcastVote(optionId, voterId) {
this.peerManager.broadcastMessage({
type: 'vote',
optionId: optionId,
voterId: voterId,
senderId: this.peerManager.getPeerId()
});
}
broadcastPollReset() {
this.peerManager.broadcastMessage({
type: 'poll_reset',
senderId: this.peerManager.getPeerId()
});
}
selectPoll(pollId) {
const poll = this.availablePolls.get(pollId);
if (poll) {
this.currentPoll = poll;
// Clear votes when switching to a different poll
// Only clear if this is a different poll than what we had voted in
const currentVotedOption = this.getMyVotedOption();
if (currentVotedOption && !poll.options.some(opt => opt.id === currentVotedOption)) {
this.myVotes.clear();
}
this.saveToLocalStorage();
if (this.onPollSelected) {
this.onPollSelected(poll);
}
if (this.onPollUpdated) {
this.onPollUpdated(poll);
}
return true;
}
return false;
}
createNewPoll() {
this.currentPoll = null;
// Clear current poll inputs but keep available polls
if (this.onPollSelected) {
this.onPollSelected(null);
}
}
getAvailablePolls() {
return Array.from(this.availablePolls.values());
}
unvote() {
if (!this.currentPoll) {
throw new Error('No active poll');
}
const myPeerId = this.peerManager.getPeerId();
const myVotedOption = this.getMyVotedOption();
if (!myVotedOption) {
return false; // No vote to remove
}
// Remove vote from current option
this.removePreviousVote(myPeerId);
this.saveToLocalStorage();
this.notifyPollUpdated();
this.broadcastUnvote(myPeerId);
return true;
}
validateMyVotes(poll) {
const myPeerId = this.peerManager.getPeerId();
const validVotes = new Set();
console.log('Validating votes for peer:', myPeerId);
console.log('Current myVotes:', Array.from(this.myVotes));
console.log('Poll voters:', poll.options.map(opt => ({ id: opt.id, voters: opt.voters })));
// Check each vote in myVotes to see if it's actually mine
this.myVotes.forEach(optionId => {
const option = poll.options.find(opt => opt.id === optionId);
if (option && option.voters.includes(myPeerId)) {
// This vote is actually mine
validVotes.add(optionId);
console.log(`Vote ${optionId} is valid for peer ${myPeerId}`);
} else {
console.log(`Vote ${optionId} is NOT valid for peer ${myPeerId}`);
}
});
// Replace myVotes with only the valid votes
this.myVotes = validVotes;
console.log('Final valid votes:', Array.from(this.myVotes));
}
getCurrentPoll() {
return this.currentPoll;
}
broadcastUnvote(peerId) {
this.peerManager.broadcastMessage({
type: 'unvote',
voterId: peerId,
senderId: this.peerManager.getPeerId()
});
}
hasVoted(optionId) {
return this.myVotes.has(optionId);
}
getMyVotedOption() {
return Array.from(this.myVotes)[0] || null;
}
generatePollId() {
return `poll-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
}
saveToLocalStorage() {
// Save all available polls
const pollsData = Array.from(this.availablePolls.values());
localStorage.setItem('p2p-polls-list', JSON.stringify(pollsData));
// Save current poll separately
if (this.currentPoll) {
localStorage.setItem('p2p-poll-current', JSON.stringify(this.currentPoll));
} else {
localStorage.removeItem('p2p-poll-current');
}
localStorage.setItem('p2p-poll-my-votes', JSON.stringify(Array.from(this.myVotes)));
}
loadFromLocalStorage() {
try {
const savedPollsList = localStorage.getItem('p2p-polls-list');
const savedVotes = localStorage.getItem('p2p-poll-my-votes');
if (savedPollsList) {
const polls = JSON.parse(savedPollsList);
this.availablePolls.clear();
polls.forEach(poll => {
this.availablePolls.set(poll.id, poll);
});
if (this.onPollsListUpdated) {
this.onPollsListUpdated(polls);
}
}
if (savedVotes) {
this.myVotes = new Set(JSON.parse(savedVotes));
// Validate votes against current poll
const currentPoll = this.currentPoll || this.availablePolls.values().next().value;
if (currentPoll) {
this.validateMyVotes(currentPoll);
}
}
} catch (error) {
console.error('Failed to load from localStorage:', error);
}
}
clearData() {
this.currentPoll = null;
this.availablePolls.clear();
this.myVotes.clear();
localStorage.removeItem('p2p-poll-current');
localStorage.removeItem('p2p-polls-list');
localStorage.removeItem('p2p-poll-my-votes');
}
notifyPollUpdated() {
if (this.onPollUpdated) {
this.onPollUpdated(this.currentPoll);
}
}
}

419
js/ui-controller.js Normal file
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class UIController {
constructor(peerManager, pollManager) {
this.peerManager = peerManager;
this.pollManager = pollManager;
this.initializeEventListeners();
}
initializeEventListeners() {
// Connection controls
document.getElementById('join-btn').addEventListener('click', () => this.handleJoinRoom());
document.getElementById('copy-id-btn').addEventListener('click', () => this.copyPeerId());
// Poll creation
document.getElementById('create-poll-btn').addEventListener('click', () => this.handleCreatePoll());
document.getElementById('add-option-btn').addEventListener('click', () => this.addOptionInput());
// Active poll
document.getElementById('add-poll-option-btn').addEventListener('click', () => this.showAddOptionModal());
document.getElementById('reset-poll-btn').addEventListener('click', () => this.handleResetPoll());
document.getElementById('new-poll-btn').addEventListener('click', () => this.handleNewPoll());
// Modal controls
document.getElementById('close-modal-btn').addEventListener('click', () => this.hideAddOptionModal());
document.getElementById('cancel-modal-btn').addEventListener('click', () => this.hideAddOptionModal());
document.getElementById('save-option-btn').addEventListener('click', () => this.handleAddOptionFromModal());
// Enter key handlers
document.getElementById('room-id').addEventListener('keypress', (e) => {
if (e.key === 'Enter') this.handleJoinRoom();
});
document.getElementById('poll-question').addEventListener('keypress', (e) => {
if (e.key === 'Enter') this.handleCreatePoll();
});
document.getElementById('new-option-input').addEventListener('keypress', (e) => {
if (e.key === 'Enter') this.handleAddOptionFromModal();
});
// Close modal on background click
document.getElementById('add-option-modal').addEventListener('click', (e) => {
if (e.target.id === 'add-option-modal') {
this.hideAddOptionModal();
}
});
}
handleJoinRoom() {
const roomIdInput = document.getElementById('room-id');
const peerId = roomIdInput.value.trim();
this.showLoading(true);
if (peerId) {
// Connect to existing peer (host)
this.peerManager.joinRoom(peerId)
.then(() => {
this.showNotification('Connected to host successfully!', 'success');
this.showPollCreation();
})
.catch(error => {
this.showNotification('Failed to connect: ' + error.message, 'error');
console.error('Connect error:', error);
})
.finally(() => {
this.showLoading(false);
});
} else {
// Act as host - just show poll creation
this.peerManager.createRoom();
this.showNotification('You are the host. Share your Peer ID with others to connect.', 'success');
this.showPollCreation();
this.showLoading(false);
}
}
async copyPeerId() {
const peerId = this.peerManager.getPeerId();
if (peerId) {
try {
await navigator.clipboard.writeText(peerId);
this.showNotification('Peer ID copied to clipboard!', 'success');
} catch (error) {
// Fallback for older browsers
const textArea = document.createElement('textarea');
textArea.value = peerId;
document.body.appendChild(textArea);
textArea.select();
document.execCommand('copy');
document.body.removeChild(textArea);
this.showNotification('Peer ID copied to clipboard!', 'success');
}
}
}
handleCreatePoll() {
const questionInput = document.getElementById('poll-question');
const optionInputs = document.querySelectorAll('.option-text');
const options = [];
console.log('Question input:', questionInput);
console.log('Found option inputs:', optionInputs.length);
// Check if question input exists
if (!questionInput) {
console.error('Question input not found!');
this.showNotification('Error: Question input not found', 'error');
return;
}
const question = questionInput.value ? questionInput.value.trim() : '';
console.log('Question:', question);
optionInputs.forEach((input, index) => {
console.log(`Input ${index}:`, input, 'value:', input?.value);
if (input && typeof input.value !== 'undefined') {
const text = input.value.trim();
if (text) {
options.push(text);
}
} else {
console.warn(`Input ${index} is invalid or has no value property`);
}
});
console.log('Final options:', options);
if (!question) {
this.showNotification('Please enter a poll question', 'error');
return;
}
if (options.length < 2) {
this.showNotification('Please enter at least 2 options', 'error');
return;
}
try {
this.pollManager.createPoll(question, options);
this.showNotification('Poll created successfully!', 'success');
} catch (error) {
console.error('Create poll error:', error);
this.showNotification('Failed to create poll: ' + error.message, 'error');
}
}
showAddOptionModal() {
const modal = document.getElementById('add-option-modal');
const input = document.getElementById('new-option-input');
modal.classList.remove('hidden');
input.value = '';
input.focus();
}
hideAddOptionModal() {
const modal = document.getElementById('add-option-modal');
const input = document.getElementById('new-option-input');
modal.classList.add('hidden');
input.value = '';
}
handleAddOptionFromModal() {
const input = document.getElementById('new-option-input');
const optionText = input.value.trim();
if (!optionText) {
this.showNotification('Please enter an option text', 'error');
return;
}
try {
this.pollManager.addOption(optionText);
this.hideAddOptionModal();
this.showNotification('Option added successfully!', 'success');
} catch (error) {
this.showNotification('Failed to add option: ' + error.message, 'error');
}
}
handleAddPollOption() {
this.showAddOptionModal();
}
handleResetPoll() {
if (confirm('Are you sure you want to reset all votes?')) {
try {
this.pollManager.resetPoll();
this.showNotification('Poll reset successfully!', 'success');
} catch (error) {
this.showNotification('Failed to reset poll: ' + error.message, 'error');
}
}
}
handleNewPoll() {
this.pollManager.createNewPoll();
this.showPollCreation();
this.clearPollForm();
}
addOptionInput() {
const container = document.getElementById('options-container');
const optionCount = container.children.length;
const optionDiv = document.createElement('div');
optionDiv.className = 'option-input';
optionDiv.innerHTML = `
<input type="text" class="option-text" placeholder="Option ${optionCount + 1}">
<button class="remove-option-btn">Remove</button>
`;
container.appendChild(optionDiv);
this.updateOptionRemoveButtons();
// Add event listener to new input
const newInput = optionDiv.querySelector('.option-text');
newInput.addEventListener('keypress', (e) => {
if (e.key === 'Enter') this.handleCreatePoll();
});
// Add event listener to remove button
const removeBtn = optionDiv.querySelector('.remove-option-btn');
removeBtn.addEventListener('click', () => {
optionDiv.remove();
this.updateOptionRemoveButtons();
this.updateOptionPlaceholders();
});
// Focus on new input
newInput.focus();
}
updateOptionRemoveButtons() {
const optionInputs = document.querySelectorAll('.option-input');
const removeButtons = document.querySelectorAll('.remove-option-btn');
removeButtons.forEach((btn, index) => {
if (optionInputs.length <= 2) {
btn.classList.add('hidden');
} else {
btn.classList.remove('hidden');
}
});
}
updateOptionPlaceholders() {
const optionInputs = document.querySelectorAll('.option-text');
optionInputs.forEach((input, index) => {
input.placeholder = `Option ${index + 1}`;
});
}
clearPollForm() {
document.getElementById('poll-question').value = '';
const container = document.getElementById('options-container');
container.innerHTML = `
<div class="option-input">
<input type="text" class="option-text" placeholder="Option 1">
<button class="remove-option-btn hidden">Remove</button>
</div>
<div class="option-input">
<input type="text" class="option-text" placeholder="Option 2">
<button class="remove-option-btn hidden">Remove</button>
</div>
`;
this.updateOptionRemoveButtons();
}
showPollCreation() {
document.getElementById('connection-section').classList.add('hidden');
document.getElementById('poll-creation').classList.remove('hidden');
document.getElementById('active-poll').classList.add('hidden');
}
showActivePoll() {
document.getElementById('connection-section').classList.add('hidden');
document.getElementById('poll-creation').classList.add('hidden');
document.getElementById('active-poll').classList.remove('hidden');
}
updatePeerId(peerId) {
const element = document.getElementById('peer-id');
if (element) {
element.textContent = peerId || 'Loading...';
}
}
renderPoll(poll) {
if (!poll) return;
this.showActivePoll();
// Update poll question
document.getElementById('poll-question-display').textContent = poll.question;
// Render options
const optionsContainer = document.getElementById('poll-options');
optionsContainer.innerHTML = '';
const totalVotes = poll.options.reduce((sum, opt) => sum + opt.votes, 0);
const myVotedOption = this.pollManager.getMyVotedOption();
poll.options.forEach(option => {
const optionDiv = document.createElement('div');
optionDiv.className = 'poll-option';
const hasVoted = this.pollManager.hasVoted(option.id);
const myVotedOption = this.pollManager.getMyVotedOption();
console.log(`Option ${option.id}: hasVoted=${hasVoted}, myVotedOption=${myVotedOption}`);
if (hasVoted) {
optionDiv.classList.add('voted');
} else if (myVotedOption) {
// User has voted but not for this option - this is a change vote option
optionDiv.classList.add('change-vote');
}
const percentage = totalVotes > 0 ? (option.votes / totalVotes * 100).toFixed(1) : 0;
optionDiv.innerHTML = `
<div class="option-header">
<span class="option-text">${option.text}</span>
<span class="vote-count">${option.votes} votes</span>
</div>
<div class="vote-bar">
<div class="vote-fill" style="width: ${percentage}%"></div>
</div>
`;
optionDiv.addEventListener('click', () => {
const myVotedOption = this.pollManager.getMyVotedOption();
if (this.pollManager.hasVoted(option.id)) {
// Clicking your current vote - unvote
if (confirm('Remove your vote?')) {
const success = this.pollManager.unvote();
if (success) {
this.showNotification('Vote removed!', 'success');
}
}
} else {
// Either first vote or changing vote
const success = this.pollManager.vote(option.id);
if (success) {
if (myVotedOption) {
this.showNotification('Vote changed successfully!', 'success');
} else {
this.showNotification('Vote recorded!', 'success');
}
}
}
});
optionsContainer.appendChild(optionDiv);
});
}
showNotification(message, type = 'info') {
const notification = document.getElementById('notification');
notification.textContent = message;
notification.className = `notification ${type}`;
notification.classList.remove('hidden');
setTimeout(() => {
notification.classList.add('hidden');
}, 3000);
}
showLoading(show) {
const overlay = document.getElementById('loading-overlay');
if (show) {
overlay.classList.remove('hidden');
} else {
overlay.classList.add('hidden');
}
}
updatePeersList() {
// Use the peer manager's updatePeersList method
this.peerManager.updatePeersList();
}
updatePollsList(polls) {
const pollsList = document.getElementById('polls-list');
if (!pollsList) return;
if (polls.length === 0) {
pollsList.innerHTML = '<p class="no-polls">No polls created yet</p>';
return;
}
pollsList.innerHTML = '';
polls.forEach(poll => {
const pollDiv = document.createElement('div');
pollDiv.className = 'poll-item';
if (this.pollManager.getCurrentPoll() && this.pollManager.getCurrentPoll().id === poll.id) {
pollDiv.classList.add('active');
}
const totalVotes = poll.options.reduce((sum, opt) => sum + opt.votes, 0);
const createdDate = new Date(poll.createdAt).toLocaleString();
pollDiv.innerHTML = `
<div class="poll-item-title">${poll.question}</div>
<div class="poll-item-meta">${totalVotes} votes • ${createdDate}</div>
`;
pollDiv.addEventListener('click', () => {
this.pollManager.selectPoll(poll.id);
});
pollsList.appendChild(pollDiv);
});
}
}

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@@ -1,9 +0,0 @@
import type { NextConfig } from "next";
const nextConfig: NextConfig = {
experimental: {
turbopackFileSystemCacheForDev: true,
}
};
export default nextConfig;

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package-lock.json generated

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@@ -1,27 +0,0 @@
{
"name": "p2p-polling",
"version": "0.1.0",
"private": true,
"scripts": {
"dev": "next dev",
"build": "next build",
"start": "next start",
"lint": "eslint"
},
"dependencies": {
"next": "16.2.0",
"peerjs": "^1.5.5",
"react": "19.2.4",
"react-dom": "19.2.4"
},
"devDependencies": {
"@tailwindcss/postcss": "^4",
"@types/node": "^20",
"@types/react": "^19",
"@types/react-dom": "^19",
"eslint": "^9",
"eslint-config-next": "16.2.0",
"tailwindcss": "^4",
"typescript": "^5"
}
}

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const config = {
plugins: {
"@tailwindcss/postcss": {},
},
};
export default config;

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{
"compilerOptions": {
"target": "ES2017",
"lib": ["dom", "dom.iterable", "esnext"],
"allowJs": true,
"skipLibCheck": true,
"strict": true,
"noEmit": true,
"esModuleInterop": true,
"module": "esnext",
"moduleResolution": "bundler",
"resolveJsonModule": true,
"isolatedModules": true,
"jsx": "react-jsx",
"incremental": true,
"plugins": [
{
"name": "next"
}
],
"paths": {
"@/*": ["./*"]
}
},
"include": [
"next-env.d.ts",
"**/*.ts",
"**/*.tsx",
".next/types/**/*.ts",
".next/dev/types/**/*.ts",
"**/*.mts"
],
"exclude": ["node_modules"]
}