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tic-tac-toe-ui/README.md
2025-12-01 08:30:29 +00:00

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# tic-tac-toe-ui — Multiplayer Game Client (React + TypeScript + Vite)
A fully functional multiplayer Tic-Tac-Toe game client built using **React + TypeScript**, powered by **Nakama WebSocket real-time networking**, and delivered as a tiny **production-optimized Vite build** (served via BusyBox/Docker).
This UI communicates with the authoritative backend (`tic-tac-toe`) to deliver a secure, synced, cheat-proof multiplayer experience.
---
## 🎮 Overview
This repository contains the front-end implementation of the Tic-Tac-Toe multiplayer platform.
The client supports:
* Device-based authentication
* Full matchmaking lifecycle
* Real-time gameplay with WebSockets
* Authoritative state rendering
* Leaderboard browsing
* Game result screens
* A Vite-powered environment system for dynamic host/SSL selection
This UI is production-ready and deployable to any server or container environment.
---
## ⭐ Features
* **React + TypeScript UI**
* **WebSocket real-time gameplay** using Nakama JS
* **Matchmaking flow:** queue → ticket → match → gameplay
* **Authoritative state updates** (OpCode 2)
* **Secure device authentication** (device UUID → session)
* **Leaderboard view** over Nakama's leaderboard API
* **Production Docker image:** Node → Vite → BusyBox
* **Environment-based configuration** for host/SSL
---
## 🧩 Architecture
### Frontend System Diagram
```mermaid
flowchart LR
User[Browser] --> UI[React + TS + Vite]
UI -->|WebSocket| Nakama
UI -->|HTTP| Nakama
UI --> Leaderboard[Leaderboard API]
UI --> Matchmaking[Matchmaker API]
```
---
## 🛠 Tech Stack
* **React 18** (TypeScript)
* **Vite.js** (build system)
* **Nakama JavaScript Client**
* **Plain CSS** for styling
* **WebSockets (SSL / non-SSL selectable)**
* **Docker (multi-stage build)**
---
## 🔧 Environment Variables (Vite)
These are injected at build time:
```
VITE_WS_HOST=nakama.aetoskia.com
VITE_WS_PORT=443
VITE_WS_SKEY=secret
VITE_WS_SSL=true
```
Meaning:
* **VITE_WS_HOST** → Nakama host (domain or IP)
* **VITE_WS_PORT** → Port for WebSocket/API
* **VITE_WS_SKEY** → Nakama server key
* **VITE_WS_SSL** → `true` for wss://, `false` for ws://
---
## 🔌 Runtime Flow
### Authentication
* UI generates a device UUID
* Calls `client.authenticateDevice()`
* Stores session in React state
### Matchmaking
1. User selects mode (classic / blitz)
2. joins the matchmaking queue
3. Waits for matchmaker ticket
4. Auto-joins the match when assigned
### Gameplay
* User sends moves via OpCode **1**
* Server validates + broadcasts authoritative board via OpCode **2**
* UI re-renders board state from server packets
### End of Game
* Player sees win/lose/draw
* Can return to home or matchmaking
---
## 🎨 Styling
Styling uses **plain CSS** via a single `styles.css` file.
Simple, responsive layout using Flexbox.
---
## 🐳 Docker (Production Build)
### Dockerfile Overview
```
# Stage 1: Build
FROM node:20-alpine AS builder
# Set working directory
WORKDIR /app
# Copy package.json and package-lock.json (or yarn.lock)
COPY package*.json ./
# Install dependencies
RUN npm ci
# Copy the rest of the app
COPY . .
# Build arguments
ARG VITE_WS_HOST
ARG VITE_WS_PORT
ARG VITE_WS_SKEY
ARG VITE_WS_SSL
# Export them as actual environment variables (Vite needs ENV)
ENV VITE_WS_HOST=${VITE_WS_HOST}
ENV VITE_WS_PORT=${VITE_WS_PORT}
ENV VITE_WS_SSL=${VITE_WS_SSL}
# Build
RUN npm run build
# Stage 2: Static file server (BusyBox)
FROM busybox:latest
WORKDIR /app
# Copy only build frontend files
COPY --from=builder /app/dist /app
# Expose port
EXPOSE 3000
# Default command
CMD ["busybox", "httpd", "-f", "-p", "3000"]
```
Produces an extremely lightweight production image.
---
## 🧪 Testing
Manual testing validated:
* Full matchmaking loop
* Game state sync
* Invalid move handling (server rejections)
* Disconnect behaviour
* Leaderboard retrieval
Pending:
* Stress tests
* Mobile responsiveness
* Reconnect logic
---
## 📈 Deployment
### Supported:
* Docker on any Linux host
* Raspberry Pi (ARM)
* Google Cloud Run / Compute Engine
* Traefik reverse proxy via `games.aetoskia.com`
### Example Deployment via Docker
```
docker run -d \
-p 3003:3003 \
--restart always \
tic-tac-toe-ui:latest
```
Traefik HTTPS routes:
* **games.aetoskia.com** → UI
---
## 🗺️ Roadmap
* Rematch flow
* Reconnect/resume after refresh
* Improved animations
* Mobile UI redesign
* Centralized error handling
---