Local Chat - Mesh P2P Secure Messenger

Local Chat is a modern, serverless, peer-to-peer messaging application built with PeerJS and WebRTC. It allows for secure communication directly between browsers without a central data storage server.

🚀 Features

📡 P2P Mesh Connectivity

• Dynamic Discovery: Automatically finds and connects to peers in the same room.
• Mesh Gossip Protocol: Periodic synchronization of peer lists to maintain a 100% connected network.
• Host Failover: Automatic self-healing where a new peer becomes the host if the current host leaves.

💬 Rich Messaging

• Real-time Chat: Lag-free messaging with typing indicators.
• Extended Reactions: React to messages with 👍, ❤️, 😂, 😮, 😢, and 🔥.
• Stacked Counters: Reactions stack with counts for a clean UI.
• GIF Integration: Integrated Tenor GIF search for expressive communication.

🎥 Multimedia Communication

• Voice & Video Calls: High-quality P2P audio/video communication.
• Group Video Calls: Supports multiple participants with a dynamic grid layout.
• In-Call Controls: Toggle Microphone, Toggle Camera, and Hang up options.
• Remote Labels: Participants' names are displayed directly on their video feeds.

📂 Secure File Sharing

• Chunked Streaming: Files are sent in small chunks for high reliability even with large files.
• Live Progress Bars: Real-time upload and download progress indicators.
• Automatic Reconstruction: Files are assembled and ready to download/view instantly.

🔐 Security & Privacy

• Private Rooms: Create custom Sync ID rooms for private discussions.
• Admission Control: Hosts can enable "Approval Required" mode to gate keep new entrants.
• Serverless: Zero data is stored on any server; communication is direct browser-to-browser.

🎨 Premium Aesthetics

• Dynamic Room Themes: Every room gets a unique color scheme based on its ID.
• Modern UI: Sleek dark mode design with glassmorphism and smooth animations.
• Responsive Design: Works seamlessly across desktop and mobile devices.

🛠️ How to Use

1. Open the application in your browser.
2. Enter your nickname.
3. Share your Sync ID with others or stay in the default room.
4. Click the Approval Req. toggle if you want to moderate who joins.
5. Have fun chatting, calling, and sharing!

🔧 Technologies Used

• Frontend: HTML5, CSS3 (Vanilla), JavaScript (ES6+)
• Networking: PeerJS (WebRTC wrapper)
• Media: WebRTC MediaStreams
• APIs: Tenor API (for GIFs)

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