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2026-03-15 20:18:04 +00:00
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@import "tailwindcss";
:root {
--background: #030712;
--foreground: #f9fafb;
}
body {
background-color: var(--background);
color: var(--foreground);
font-family: system-ui, -apple-system, sans-serif;
}

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import type { Metadata } from "next";
import "./globals.css";
import Nav from "@/components/Nav";
export const metadata: Metadata = {
title: "Connect4 Moderator",
description: "Watch matches, track tournaments, and play Connect4",
};
export default function RootLayout({
children,
}: {
children: React.ReactNode;
}) {
return (
<html lang="en">
<body className="min-h-screen bg-gray-950 text-gray-100">
<Nav />
<main className="max-w-7xl mx-auto px-4 py-6">{children}</main>
</body>
</html>
);
}

84
connect4-ui/app/page.tsx Normal file
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import Link from "next/link";
const cards = [
{
href: "/spectate",
icon: "👁",
title: "Spectate Matches",
desc: "Watch live Connect4 games in real time. See every move as it happens on an interactive board.",
color: "border-blue-600 hover:border-blue-400",
badge: "Observer",
},
{
href: "/tournament",
icon: "🏆",
title: "Tournament View",
desc: "Track tournament standings, scores, and active rounds. Stay updated with live leaderboards.",
color: "border-purple-600 hover:border-purple-400",
badge: "Live Stats",
},
{
href: "/play",
icon: "🎮",
title: "Play as Human",
desc: "Join the server as a player. Connect with a username, ready up, and play Connect4 live.",
color: "border-green-600 hover:border-green-400",
badge: "Interactive",
},
];
export default function Home() {
return (
<div className="flex flex-col items-center gap-10 py-12">
<div className="text-center">
<h1 className="text-4xl font-bold text-white mb-3">
Connect4 Moderator
</h1>
<p className="text-gray-400 text-lg max-w-xl">
Student AI tournament platform watch games, track standings, or play
yourself.
</p>
</div>
<div className="grid grid-cols-1 md:grid-cols-3 gap-6 w-full max-w-4xl">
{cards.map(({ href, icon, title, desc, color, badge }) => (
<Link
key={href}
href={href}
className={`bg-gray-900 border-2 ${color} rounded-xl p-6 flex flex-col gap-3 transition-all hover:bg-gray-800 hover:shadow-xl group`}
>
<div className="flex items-center justify-between">
<span className="text-4xl">{icon}</span>
<span className="text-xs font-mono bg-gray-800 text-gray-400 px-2 py-1 rounded-full group-hover:bg-gray-700">
{badge}
</span>
</div>
<h2 className="text-xl font-semibold text-white">{title}</h2>
<p className="text-gray-400 text-sm leading-relaxed">{desc}</p>
</Link>
))}
</div>
<div className="bg-gray-900 border border-gray-700 rounded-xl p-6 max-w-2xl w-full">
<h3 className="text-sm font-semibold text-gray-400 uppercase tracking-wider mb-3">
WebSocket Protocol Reference
</h3>
<div className="grid grid-cols-2 gap-2 text-xs font-mono">
{[
["CONNECT:<name>", "Register as player"],
["READY", "Signal ready to play"],
["PLAY:<col>", "Drop piece in column 06"],
["GAME:LIST", "List active matches"],
["GAME:WATCH:<id>", "Watch a specific match"],
["PLAYER:LIST", "List connected players"],
].map(([cmd, desc]) => (
<div key={cmd} className="flex gap-2">
<span className="text-blue-400">{cmd}</span>
<span className="text-gray-500"> {desc}</span>
</div>
))}
</div>
</div>
</div>
);
}

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"use client";
import { useCallback, useEffect, useRef, useState } from "react";
import Board from "@/components/Board";
import {
BoardState,
ParsedMessage,
cmd,
createEmptyBoard,
parseMessage,
placeToken,
} from "@/lib/protocol";
type ConnStatus = "idle" | "connecting" | "connected" | "disconnected";
type GamePhase =
| "idle" // not connected or connected but no game
| "connected" // connected, awaiting ready
| "ready" // sent READY, waiting for match
| "playing" // in a match
| "game-over"; // match finished
type GameResult = "win" | "loss" | "draw" | "terminated";
const DEFAULT_URL = "wss://connect4.abunchofknowitalls.com";
export default function PlayPage() {
const [wsUrl, setWsUrl] = useState(DEFAULT_URL);
const [username, setUsername] = useState("");
const [connStatus, setConnStatus] = useState<ConnStatus>("idle");
const [gamePhase, setGamePhase] = useState<GamePhase>("idle");
const [myColor, setMyColor] = useState<1 | 2 | null>(null); // 1=red, 2=yellow
const [isMyTurn, setIsMyTurn] = useState(false);
const [board, setBoard] = useState<BoardState>(createEmptyBoard());
const [lastMove, setLastMove] = useState<{ column: number; row: number } | null>(null);
const [gameResult, setGameResult] = useState<GameResult | null>(null);
const [moveCount, setMoveCount] = useState(0);
const [statusMessages, setStatusMessages] = useState<string[]>([]);
const [tournamentMode, setTournamentMode] = useState(false);
const [waitingForNextRound, setWaitingForNextRound] = useState(false);
const wsRef = useRef<WebSocket | null>(null);
const myColorRef = useRef<1 | 2 | null>(null);
const isMyTurnRef = useRef(false);
const addStatus = (msg: string) =>
setStatusMessages((prev) => [
`[${new Date().toLocaleTimeString()}] ${msg}`,
...prev.slice(0, 29),
]);
const send = useCallback((msg: string) => {
if (wsRef.current?.readyState === WebSocket.OPEN) wsRef.current.send(msg);
}, []);
const resetGame = useCallback(() => {
setBoard(createEmptyBoard());
setLastMove(null);
setMoveCount(0);
setMyColor(null);
myColorRef.current = null;
setIsMyTurn(false);
isMyTurnRef.current = false;
setGameResult(null);
}, []);
const handleColumnClick = useCallback(
(col: number) => {
if (!isMyTurnRef.current || gamePhase !== "playing") return;
// Optimistically place the piece; server validates and replies
const color = myColorRef.current!;
setBoard((prev) => {
const { board: next, row } = placeToken(prev, color, col);
if (row === -1) return prev; // column full, ignore
setLastMove({ column: col, row });
return next;
});
setIsMyTurn(false);
isMyTurnRef.current = false;
setMoveCount((n) => n + 1);
send(cmd.play(col));
addStatus(`You played column ${col}`);
},
[gamePhase, send]
);
const handleMessage = useCallback(
(raw: string) => {
const msg: ParsedMessage = parseMessage(raw);
switch (msg.type) {
case "CONNECT_ACK":
setConnStatus("connected");
setGamePhase("connected");
addStatus(`✅ Connected as "${username}"`);
break;
case "ERROR":
addStatus(`${msg.message}`);
break;
case "READY_ACK":
setGamePhase("ready");
addStatus("⏳ Waiting for an opponent…");
break;
case "GAME_START": {
resetGame();
const color: 1 | 2 = msg.goesFirst ? 1 : 2;
setMyColor(color);
myColorRef.current = color;
setGamePhase("playing");
setWaitingForNextRound(false);
const firstTurn = msg.goesFirst;
setIsMyTurn(firstTurn);
isMyTurnRef.current = firstTurn;
addStatus(
msg.goesFirst
? "🔴 You are Red — you go FIRST!"
: "🟡 You are Yellow — wait for opponent's first move"
);
break;
}
case "OPPONENT_MOVE": {
const opponentColor: 1 | 2 = myColorRef.current === 1 ? 2 : 1;
setBoard((prev) => {
const { board: next, row } = placeToken(prev, opponentColor, msg.column);
setLastMove({ column: msg.column, row });
return next;
});
setMoveCount((n) => n + 1);
setIsMyTurn(true);
isMyTurnRef.current = true;
addStatus(`Opponent played column ${msg.column} — your turn!`);
break;
}
case "GAME_WINS":
setGameResult("win");
setGamePhase("game-over");
setIsMyTurn(false);
isMyTurnRef.current = false;
addStatus("🏆 You won!");
break;
case "GAME_LOSS":
setGameResult("loss");
setGamePhase("game-over");
setIsMyTurn(false);
isMyTurnRef.current = false;
addStatus("💔 You lost");
break;
case "GAME_DRAW":
setGameResult("draw");
setGamePhase("game-over");
setIsMyTurn(false);
isMyTurnRef.current = false;
addStatus("🤝 Draw!");
break;
case "GAME_TERMINATED":
setGameResult("terminated");
setGamePhase("game-over");
setIsMyTurn(false);
isMyTurnRef.current = false;
addStatus("⛔ Match terminated");
break;
case "TOURNAMENT_START":
setTournamentMode(true);
addStatus(`🏆 Tournament started: ${msg.tournamentType}`);
break;
case "TOURNAMENT_END":
addStatus("Round over — sending Ready for next round…");
setWaitingForNextRound(false);
setGamePhase("connected");
resetGame();
// Auto-ready for next round (mirror the gameloop.py behavior)
setTimeout(() => send(cmd.ready()), 500);
setGamePhase("ready");
addStatus("⏳ Ready for next round…");
break;
case "TOURNAMENT_CANCEL":
setTournamentMode(false);
setWaitingForNextRound(false);
setGamePhase("connected");
resetGame();
addStatus("Tournament cancelled");
break;
default:
break;
}
},
[username, resetGame, send]
);
const connect = useCallback(() => {
if (!username.trim()) {
addStatus("⚠ Please enter a username first");
return;
}
if (wsRef.current) wsRef.current.close();
setConnStatus("connecting");
setGamePhase("idle");
resetGame();
setStatusMessages([]);
setTournamentMode(false);
setWaitingForNextRound(false);
const ws = new WebSocket(wsUrl);
wsRef.current = ws;
ws.onopen = () => ws.send(cmd.connect(username.trim()));
ws.onmessage = (e) => handleMessage(e.data as string);
ws.onclose = () => {
setConnStatus("disconnected");
setGamePhase("idle");
addStatus("Disconnected from server");
};
ws.onerror = () => addStatus("WebSocket error");
}, [username, wsUrl, handleMessage, resetGame]);
const disconnect = useCallback(() => {
send(cmd.disconnect());
setTimeout(() => wsRef.current?.close(), 200);
}, [send]);
const sendReady = useCallback(() => {
send(cmd.ready());
setGamePhase("ready");
addStatus("⏳ Waiting for an opponent…");
}, [send]);
useEffect(() => () => wsRef.current?.close(), []);
// Derived display values
const myColorLabel = myColor === 1 ? "🔴 Red" : myColor === 2 ? "🟡 Yellow" : null;
const opponentColor: 1 | 2 | null = myColor === 1 ? 2 : myColor === 2 ? 1 : null;
return (
<div className="flex flex-col gap-6">
{/* Header */}
<div className="flex items-center justify-between">
<div>
<h1 className="text-2xl font-bold text-white">🎮 Play Connect4</h1>
<p className="text-gray-400 text-sm mt-1">
Connect as a player and compete in matches
</p>
</div>
<PhaseIndicator phase={gamePhase} isMyTurn={isMyTurn} />
</div>
<div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
{/* Left: controls + status */}
<div className="flex flex-col gap-4">
{/* Connection card */}
<div className="bg-gray-900 border border-gray-700 rounded-xl p-4 flex flex-col gap-3">
<h2 className="text-sm font-semibold text-gray-300 uppercase tracking-wider">
Connection
</h2>
<div>
<label className="text-xs text-gray-400 mb-1 block">Server URL</label>
<input
className="w-full bg-gray-800 border border-gray-600 rounded-lg px-3 py-2 text-sm text-white focus:border-blue-500 focus:outline-none"
value={wsUrl}
onChange={(e) => setWsUrl(e.target.value)}
placeholder="wss://..."
disabled={connStatus === "connected" || connStatus === "connecting"}
/>
</div>
<div>
<label className="text-xs text-gray-400 mb-1 block">Username</label>
<input
className="w-full bg-gray-800 border border-gray-600 rounded-lg px-3 py-2 text-sm text-white focus:border-blue-500 focus:outline-none"
value={username}
onChange={(e) => setUsername(e.target.value)}
placeholder="Enter your username"
disabled={connStatus === "connected" || connStatus === "connecting"}
onKeyDown={(e) => e.key === "Enter" && connStatus === "idle" && connect()}
/>
</div>
{connStatus !== "connected" ? (
<button
onClick={connect}
disabled={connStatus === "connecting" || !username.trim()}
className="w-full py-2 bg-blue-600 hover:bg-blue-500 disabled:bg-gray-700 disabled:text-gray-500 text-white text-sm font-medium rounded-lg transition-colors"
>
{connStatus === "connecting" ? "Connecting…" : "Connect"}
</button>
) : (
<button
onClick={disconnect}
className="w-full py-2 bg-gray-700 hover:bg-gray-600 text-white text-sm font-medium rounded-lg transition-colors"
>
Disconnect
</button>
)}
</div>
{/* Game controls */}
{connStatus === "connected" && (
<div className="bg-gray-900 border border-gray-700 rounded-xl p-4 flex flex-col gap-3">
<h2 className="text-sm font-semibold text-gray-300 uppercase tracking-wider">
Match
</h2>
{tournamentMode && (
<div className="flex items-center gap-2 px-3 py-2 rounded-lg bg-purple-950/50 border border-purple-700 text-purple-300 text-sm">
<span>🏆</span>
<span>Tournament mode active</span>
</div>
)}
{gamePhase === "connected" && !tournamentMode && (
<button
onClick={sendReady}
className="w-full py-2.5 bg-green-700 hover:bg-green-600 text-white text-sm font-semibold rounded-lg transition-colors"
>
Ready to Play
</button>
)}
{gamePhase === "ready" && (
<div className="text-center py-3 text-yellow-300 text-sm animate-pulse">
Waiting for opponent
</div>
)}
{(gamePhase === "playing" || gamePhase === "game-over") && myColor && (
<div className="flex flex-col gap-2">
<div className="flex items-center gap-3 px-3 py-2 rounded-lg bg-gray-800">
<div
className={`w-4 h-4 rounded-full ${
myColor === 1 ? "bg-red-500" : "bg-yellow-400"
}`}
/>
<span className="text-white font-medium text-sm">
You are {myColorLabel}
</span>
{myColor === 1 && (
<span className="text-xs text-gray-500">(1st)</span>
)}
</div>
{gamePhase === "playing" && (
<div
className={`flex items-center justify-center gap-2 px-3 py-2 rounded-lg font-semibold text-sm ${
isMyTurn
? "bg-green-900/50 border border-green-600 text-green-300 animate-pulse"
: "bg-gray-800 text-gray-400"
}`}
>
{isMyTurn ? "⬆ Your turn — click a column!" : "⏳ Waiting for opponent…"}
</div>
)}
<div className="text-xs text-gray-500 text-center">
{moveCount} move{moveCount !== 1 ? "s" : ""} played
</div>
</div>
)}
{gamePhase === "game-over" && gameResult && (
<div className="flex flex-col gap-2">
<div
className={`text-center py-3 rounded-lg font-bold text-base border ${
gameResult === "win"
? "bg-green-900/50 border-green-600 text-green-300"
: gameResult === "loss"
? "bg-red-900/50 border-red-600 text-red-300"
: gameResult === "draw"
? "bg-blue-900/50 border-blue-600 text-blue-300"
: "bg-gray-800 border-gray-600 text-gray-300"
}`}
>
{gameResult === "win"
? "🏆 You Won!"
: gameResult === "loss"
? "💔 You Lost"
: gameResult === "draw"
? "🤝 Draw"
: "⛔ Terminated"}
</div>
{!tournamentMode && (
<button
onClick={sendReady}
className="w-full py-2 bg-green-700 hover:bg-green-600 text-white text-sm font-semibold rounded-lg transition-colors"
>
Play Again
</button>
)}
</div>
)}
</div>
)}
{/* Status log */}
<div className="bg-gray-900 border border-gray-700 rounded-xl p-4">
<h2 className="text-sm font-semibold text-gray-300 uppercase tracking-wider mb-2">
Status Log
</h2>
<div className="flex flex-col gap-0.5 max-h-52 overflow-y-auto">
{statusMessages.length === 0 ? (
<p className="text-gray-600 text-xs">Connect to start</p>
) : (
statusMessages.map((m, i) => (
<p key={i} className="text-xs text-gray-400 font-mono">
{m}
</p>
))
)}
</div>
</div>
{/* How to play */}
<div className="bg-gray-900 border border-gray-700 rounded-xl p-4">
<h2 className="text-sm font-semibold text-gray-300 uppercase tracking-wider mb-2">
How to Play
</h2>
<ol className="flex flex-col gap-1.5 text-xs text-gray-400">
<li className="flex gap-2">
<span className="text-blue-400 font-bold shrink-0">1.</span>
Enter the server URL and your username, then click <strong className="text-gray-300">Connect</strong>
</li>
<li className="flex gap-2">
<span className="text-blue-400 font-bold shrink-0">2.</span>
Click <strong className="text-gray-300">Ready to Play</strong> to queue for a match
</li>
<li className="flex gap-2">
<span className="text-blue-400 font-bold shrink-0">3.</span>
When the game starts, click a column number to drop your piece
</li>
<li className="flex gap-2">
<span className="text-blue-400 font-bold shrink-0">4.</span>
Connect 4 in a row (horizontal, vertical, or diagonal) to win!
</li>
</ol>
</div>
</div>
{/* Right: board */}
<div className="lg:col-span-2 bg-gray-900 border border-gray-700 rounded-xl p-6 flex flex-col items-center justify-center gap-4 min-h-96">
{connStatus !== "connected" || gamePhase === "idle" ? (
<div className="flex flex-col items-center gap-4 text-center py-8">
<span className="text-6xl">🎮</span>
<p className="text-gray-400 text-lg font-medium">Ready to play?</p>
<p className="text-gray-600 text-sm max-w-xs">
Enter your username and connect to the server to start a match
</p>
</div>
) : gamePhase === "ready" ? (
<div className="flex flex-col items-center gap-4 text-center py-8">
<div className="text-5xl animate-bounce"></div>
<p className="text-yellow-300 text-lg font-medium">
Waiting for an opponent
</p>
<p className="text-gray-500 text-sm">
The game will start automatically when a match is found
</p>
</div>
) : (
<>
{gameResult && (
<div
className={`w-full max-w-md rounded-xl p-4 text-center font-bold text-xl border ${
gameResult === "win"
? "bg-green-900/50 border-green-500 text-green-300"
: gameResult === "loss"
? "bg-red-900/50 border-red-500 text-red-300"
: gameResult === "draw"
? "bg-blue-900/50 border-blue-500 text-blue-300"
: "bg-gray-800 border-gray-600 text-gray-300"
}`}
>
{gameResult === "win"
? "🏆 You Won!"
: gameResult === "loss"
? "💔 You Lost"
: gameResult === "draw"
? "🤝 Draw!"
: "⛔ Match Terminated"}
</div>
)}
<Board
board={board}
lastMove={lastMove}
player1={username}
player2="Opponent"
currentTurnColor={
gamePhase === "playing" && myColor
? isMyTurn
? myColor
: opponentColor
: null
}
onColumnClick={
gamePhase === "playing" && isMyTurn ? handleColumnClick : undefined
}
disabled={gamePhase !== "playing" || !isMyTurn}
/>
{gamePhase === "playing" && (
<p className="text-sm text-gray-400">
{isMyTurn ? (
<span className="text-green-400 font-semibold animate-pulse">
Click a column to drop your piece
</span>
) : (
<span className="text-gray-500">Waiting for opponent</span>
)}
</p>
)}
</>
)}
</div>
</div>
</div>
);
}
function PhaseIndicator({
phase,
isMyTurn,
}: {
phase: GamePhase;
isMyTurn: boolean;
}) {
if (phase === "playing" && isMyTurn) {
return (
<span className="px-3 py-1.5 rounded-full text-sm font-medium bg-green-900/60 text-green-300 animate-pulse">
Your Turn!
</span>
);
}
const config: Record<GamePhase, { label: string; cls: string }> = {
idle: { label: "Not connected", cls: "bg-gray-700 text-gray-400" },
connected: { label: "Connected", cls: "bg-blue-900/60 text-blue-300" },
ready: { label: "Waiting…", cls: "bg-yellow-900/60 text-yellow-300 animate-pulse" },
playing: { label: "In Game", cls: "bg-green-900/60 text-green-400" },
"game-over": { label: "Game Over", cls: "bg-gray-700 text-gray-400" },
};
const { label, cls } = config[phase];
return (
<span className={`px-3 py-1.5 rounded-full text-sm font-medium ${cls}`}>{label}</span>
);
}

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"use client";
import { useCallback, useEffect, useRef, useState } from "react";
import Board from "@/components/Board";
import {
BoardState,
GameEntry,
ParsedMessage,
cmd,
createEmptyBoard,
parseMessage,
placeToken,
replayMoves,
} from "@/lib/protocol";
type ConnStatus = "idle" | "connecting" | "connected" | "disconnected";
interface WatchState {
matchId: number;
player1: string; // Red
player2: string; // Yellow
}
type GameResult =
| { kind: "win"; winner: string }
| { kind: "draw" }
| { kind: "terminated" };
const DEFAULT_URL = "wss://connect4.abunchofknowitalls.com";
export default function SpectatePage() {
const [wsUrl, setWsUrl] = useState(DEFAULT_URL);
const [status, setStatus] = useState<ConnStatus>("idle");
const [log, setLog] = useState<string[]>([]);
const [gameList, setGameList] = useState<GameEntry[]>([]);
const [watching, setWatching] = useState<WatchState | null>(null);
const [board, setBoard] = useState<BoardState>(createEmptyBoard());
const [lastMove, setLastMove] = useState<{ column: number; row: number } | null>(null);
const [currentTurnColor, setCurrentTurnColor] = useState<1 | 2>(1);
const [moveCount, setMoveCount] = useState(0);
const [gameResult, setGameResult] = useState<GameResult | null>(null);
const wsRef = useRef<WebSocket | null>(null);
const pollRef = useRef<ReturnType<typeof setInterval> | null>(null);
const watchingRef = useRef<WatchState | null>(null);
const addLog = (msg: string) =>
setLog((prev) => [`[${new Date().toLocaleTimeString()}] ${msg}`, ...prev.slice(0, 49)]);
const send = useCallback((msg: string) => {
if (wsRef.current?.readyState === WebSocket.OPEN) {
wsRef.current.send(msg);
}
}, []);
const handleMessage = useCallback(
(raw: string) => {
const msg: ParsedMessage = parseMessage(raw);
switch (msg.type) {
case "GAME_LIST":
setGameList(msg.games);
break;
case "GAME_WATCH_ACK": {
const { board: replayed, lastMove: lm } = replayMoves(msg.moves, msg.player1);
const watchState: WatchState = {
matchId: msg.matchId,
player1: msg.player1,
player2: msg.player2,
};
setWatching(watchState);
watchingRef.current = watchState;
setBoard(replayed);
setLastMove(lm);
setMoveCount(msg.moves.length);
setCurrentTurnColor(msg.moves.length % 2 === 0 ? 1 : 2);
setGameResult(null);
addLog(`Watching match ${msg.matchId}: ${msg.player1} (🔴) vs ${msg.player2} (🟡)`);
if (msg.moves.length > 0)
addLog(`Replayed ${msg.moves.length} existing move(s)`);
break;
}
case "GAME_MOVE": {
const w = watchingRef.current;
if (!w) break;
const color: 1 | 2 = msg.username === w.player1 ? 1 : 2;
setBoard((prev) => {
const { board: next, row } = placeToken(prev, color, msg.column);
setLastMove({ column: msg.column, row });
return next;
});
setMoveCount((n) => n + 1);
setCurrentTurnColor((c) => (c === 1 ? 2 : 1));
addLog(`${msg.username} played column ${msg.column}`);
break;
}
case "GAME_WIN":
setGameResult({ kind: "win", winner: msg.winner });
setCurrentTurnColor(1); // reset
addLog(`🏆 ${msg.winner} wins!`);
break;
case "GAME_DRAW":
setGameResult({ kind: "draw" });
addLog("🤝 Draw!");
break;
case "GAME_TERMINATED":
setGameResult({ kind: "terminated" });
addLog("⛔ Match terminated");
break;
case "ERROR":
addLog(`Error: ${msg.message}`);
break;
default:
break;
}
},
[]
);
const connect = useCallback(() => {
if (wsRef.current) wsRef.current.close();
setStatus("connecting");
setLog([]);
setGameList([]);
setWatching(null);
watchingRef.current = null;
setBoard(createEmptyBoard());
setLastMove(null);
setGameResult(null);
const ws = new WebSocket(wsUrl);
wsRef.current = ws;
ws.onopen = () => {
setStatus("connected");
addLog("Connected as observer");
ws.send(cmd.gameList());
};
ws.onmessage = (e) => handleMessage(e.data as string);
ws.onclose = () => {
setStatus("disconnected");
addLog("Disconnected");
if (pollRef.current) clearInterval(pollRef.current);
};
ws.onerror = () => addLog("WebSocket error");
// Poll game list every 4s
pollRef.current = setInterval(() => {
if (ws.readyState === WebSocket.OPEN) ws.send(cmd.gameList());
}, 4000);
}, [wsUrl, handleMessage]);
const disconnect = useCallback(() => {
if (pollRef.current) clearInterval(pollRef.current);
wsRef.current?.close();
}, []);
const watchGame = useCallback(
(id: number) => {
setBoard(createEmptyBoard());
setLastMove(null);
setGameResult(null);
setMoveCount(0);
setCurrentTurnColor(1);
send(cmd.gameWatch(id));
},
[send]
);
useEffect(() => () => {
if (pollRef.current) clearInterval(pollRef.current);
wsRef.current?.close();
}, []);
return (
<div className="flex flex-col gap-6">
<div className="flex items-center justify-between">
<div>
<h1 className="text-2xl font-bold text-white">👁 Spectate Matches</h1>
<p className="text-gray-400 text-sm mt-1">
Watch live Connect4 games in real time
</p>
</div>
<StatusBadge status={status} />
</div>
{/* Connection bar */}
<div className="bg-gray-900 border border-gray-700 rounded-xl p-4 flex flex-wrap gap-3 items-end">
<div className="flex-1 min-w-48">
<label className="text-xs text-gray-400 uppercase tracking-wider mb-1 block">
Server URL
</label>
<input
className="w-full bg-gray-800 border border-gray-600 rounded-lg px-3 py-2 text-sm text-white focus:border-blue-500 focus:outline-none"
value={wsUrl}
onChange={(e) => setWsUrl(e.target.value)}
placeholder="wss://..."
disabled={status === "connected" || status === "connecting"}
/>
</div>
{status !== "connected" ? (
<button
onClick={connect}
disabled={status === "connecting"}
className="px-5 py-2 bg-blue-600 hover:bg-blue-500 disabled:bg-gray-700 disabled:text-gray-500 text-white text-sm font-medium rounded-lg transition-colors"
>
{status === "connecting" ? "Connecting…" : "Connect"}
</button>
) : (
<button
onClick={disconnect}
className="px-5 py-2 bg-gray-700 hover:bg-gray-600 text-white text-sm font-medium rounded-lg transition-colors"
>
Disconnect
</button>
)}
</div>
<div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
{/* Left: game list + log */}
<div className="flex flex-col gap-4">
{/* Game list */}
<div className="bg-gray-900 border border-gray-700 rounded-xl p-4">
<div className="flex items-center justify-between mb-3">
<h2 className="text-sm font-semibold text-gray-300 uppercase tracking-wider">
Live Matches
</h2>
<span className="text-xs text-gray-500">
{gameList.length} game{gameList.length !== 1 ? "s" : ""}
</span>
</div>
{status !== "connected" ? (
<p className="text-gray-600 text-sm text-center py-4">
Connect to see matches
</p>
) : gameList.length === 0 ? (
<p className="text-gray-500 text-sm text-center py-4">
No active matches
</p>
) : (
<div className="flex flex-col gap-2">
{gameList.map((g) => (
<button
key={g.id}
onClick={() => watchGame(g.id)}
className={`w-full text-left px-3 py-2.5 rounded-lg border transition-colors text-sm ${
watching?.matchId === g.id
? "border-blue-500 bg-blue-950/50 text-blue-300"
: "border-gray-700 bg-gray-800 hover:border-gray-600 hover:bg-gray-750 text-gray-300"
}`}
>
<div className="font-mono text-xs text-gray-500 mb-0.5">
#{g.id}
</div>
<div className="flex items-center gap-2">
<span className="text-red-400">{g.player1}</span>
<span className="text-gray-600 text-xs">vs</span>
<span className="text-yellow-400">{g.player2}</span>
</div>
</button>
))}
</div>
)}
</div>
{/* Event log */}
<div className="bg-gray-900 border border-gray-700 rounded-xl p-4">
<h2 className="text-sm font-semibold text-gray-300 uppercase tracking-wider mb-3">
Event Log
</h2>
<div className="flex flex-col gap-1 max-h-48 overflow-y-auto">
{log.length === 0 ? (
<p className="text-gray-600 text-xs">No events yet</p>
) : (
log.map((entry, i) => (
<p key={i} className="text-xs text-gray-400 font-mono">
{entry}
</p>
))
)}
</div>
</div>
</div>
{/* Right: board */}
<div className="lg:col-span-2 bg-gray-900 border border-gray-700 rounded-xl p-6 flex flex-col items-center gap-4">
{!watching ? (
<div className="flex flex-col items-center justify-center gap-3 py-16 text-center">
<span className="text-5xl">👁</span>
<p className="text-gray-400">
{status === "connected"
? "Select a match from the list to start watching"
: "Connect to the server to see live matches"}
</p>
</div>
) : (
<>
{/* Game result banner */}
{gameResult && (
<div
className={`w-full rounded-lg p-3 text-center font-semibold text-lg ${
gameResult.kind === "win"
? "bg-green-900/50 border border-green-600 text-green-300"
: gameResult.kind === "draw"
? "bg-blue-900/50 border border-blue-600 text-blue-300"
: "bg-red-900/50 border border-red-600 text-red-300"
}`}
>
{gameResult.kind === "win"
? `🏆 ${gameResult.winner} wins!`
: gameResult.kind === "draw"
? "🤝 Draw!"
: "⛔ Match Terminated"}
</div>
)}
<Board
board={board}
lastMove={lastMove}
player1={watching.player1}
player2={watching.player2}
currentTurnColor={gameResult ? null : currentTurnColor}
disabled
/>
<div className="text-xs text-gray-500 font-mono">
Match #{watching.matchId} · {moveCount} move
{moveCount !== 1 ? "s" : ""}
</div>
</>
)}
</div>
</div>
</div>
);
}
function StatusBadge({ status }: { status: ConnStatus }) {
const colors: Record<ConnStatus, string> = {
idle: "bg-gray-700 text-gray-400",
connecting: "bg-yellow-900/60 text-yellow-300 animate-pulse",
connected: "bg-green-900/60 text-green-300",
disconnected: "bg-red-900/60 text-red-300",
};
const labels: Record<ConnStatus, string> = {
idle: "Not connected",
connecting: "Connecting…",
connected: "Connected",
disconnected: "Disconnected",
};
return (
<span className={`px-3 py-1.5 rounded-full text-sm font-medium ${colors[status]}`}>
{labels[status]}
</span>
);
}

View File

@@ -0,0 +1,546 @@
"use client";
import { useCallback, useEffect, useRef, useState } from "react";
import Board from "@/components/Board";
import {
BoardState,
GameEntry,
ParsedMessage,
PlayerEntry,
ScoreEntry,
cmd,
createEmptyBoard,
parseMessage,
placeToken,
replayMoves,
} from "@/lib/protocol";
type ConnStatus = "idle" | "connecting" | "connected" | "disconnected";
interface LiveGame {
id: number;
player1: string;
player2: string;
board: BoardState;
lastMove: { column: number; row: number } | null;
currentTurnColor: 1 | 2;
result: { kind: "win"; winner: string } | { kind: "draw" } | { kind: "terminated" } | null;
}
const DEFAULT_URL = "wss://connect4.abunchofknowitalls.com";
export default function TournamentPage() {
const [wsUrl, setWsUrl] = useState(DEFAULT_URL);
const [status, setStatus] = useState<ConnStatus>("idle");
const [tournamentActive, setTournamentActive] = useState(false);
const [tournamentType, setTournamentType] = useState<string | null>(null);
const [scores, setScores] = useState<ScoreEntry[]>([]);
const [players, setPlayers] = useState<PlayerEntry[]>([]);
const [gameList, setGameList] = useState<GameEntry[]>([]);
const [liveGames, setLiveGames] = useState<Map<number, LiveGame>>(new Map());
const [selectedGame, setSelectedGame] = useState<number | null>(null);
const [log, setLog] = useState<string[]>([]);
const wsRef = useRef<WebSocket | null>(null);
const pollRef = useRef<ReturnType<typeof setInterval> | null>(null);
// keep a ref to liveGames for use inside the message handler closure
const liveGamesRef = useRef<Map<number, LiveGame>>(new Map());
const addLog = (msg: string) =>
setLog((prev) => [`[${new Date().toLocaleTimeString()}] ${msg}`, ...prev.slice(0, 79)]);
const send = useCallback((msg: string) => {
if (wsRef.current?.readyState === WebSocket.OPEN) wsRef.current.send(msg);
}, []);
/** Merge a partial update into a live game, creating it if new. */
const updateGame = useCallback((id: number, patch: Partial<LiveGame>) => {
setLiveGames((prev) => {
const next = new Map(prev);
const existing = next.get(id) ?? {
id,
player1: "",
player2: "",
board: createEmptyBoard(),
lastMove: null,
currentTurnColor: 1 as const,
result: null,
};
next.set(id, { ...existing, ...patch });
liveGamesRef.current = next;
return next;
});
}, []);
const handleMessage = useCallback(
(raw: string) => {
const msg: ParsedMessage = parseMessage(raw);
switch (msg.type) {
case "TOURNAMENT_START":
setTournamentActive(true);
setTournamentType(msg.tournamentType);
setScores([]);
addLog(`🏆 Tournament started: ${msg.tournamentType}`);
send(cmd.gameList());
send(cmd.playerList());
break;
case "TOURNAMENT_CANCEL":
setTournamentActive(false);
setTournamentType(null);
addLog("❌ Tournament cancelled");
break;
case "TOURNAMENT_SCORES":
setScores(msg.scores);
addLog(
`📊 Scores updated: ${msg.scores
.map((s) => `${s.player} ${s.score}`)
.join(", ")}`
);
break;
case "TOURNAMENT_END":
addLog("Round ended");
send(cmd.gameList());
send(cmd.playerList());
break;
case "GAME_LIST": {
setGameList(msg.games);
// Watch any new games we don't have yet
for (const g of msg.games) {
if (!liveGamesRef.current.has(g.id)) {
send(cmd.gameWatch(g.id));
}
}
break;
}
case "GAME_WATCH_ACK": {
const { board, lastMove } = replayMoves(msg.moves, msg.player1);
const moveCount = msg.moves.length;
updateGame(msg.matchId, {
player1: msg.player1,
player2: msg.player2,
board,
lastMove,
currentTurnColor: (moveCount % 2 === 0 ? 1 : 2) as 1 | 2,
result: null,
});
addLog(`Watching match ${msg.matchId}: ${msg.player1} vs ${msg.player2}`);
break;
}
case "GAME_MOVE": {
// find the game this player is in
const gamesSnapshot = liveGamesRef.current;
for (const [id, game] of gamesSnapshot) {
if (game.player1 === msg.username || game.player2 === msg.username) {
const color: 1 | 2 = msg.username === game.player1 ? 1 : 2;
const { board: next, row } = placeToken(game.board, color, msg.column);
updateGame(id, {
board: next,
lastMove: { column: msg.column, row },
currentTurnColor: (color === 1 ? 2 : 1) as 1 | 2,
});
addLog(`[#${id}] ${msg.username} played column ${msg.column}`);
break;
}
}
break;
}
case "GAME_WIN": {
const gamesSnapshot = liveGamesRef.current;
for (const [id, game] of gamesSnapshot) {
if (game.player1 === msg.winner || game.player2 === msg.winner) {
updateGame(id, { result: { kind: "win", winner: msg.winner } });
addLog(`🏆 [#${id}] ${msg.winner} wins!`);
break;
}
}
// refresh lists after match ends
setTimeout(() => {
send(cmd.gameList());
send(cmd.playerList());
}, 1000);
break;
}
case "GAME_DRAW": {
// mark the selected game as draw (we can't easily identify which)
if (selectedGame !== null) {
updateGame(selectedGame, { result: { kind: "draw" } });
}
addLog("🤝 Draw");
break;
}
case "GAME_TERMINATED": {
if (selectedGame !== null) {
updateGame(selectedGame, { result: { kind: "terminated" } });
}
addLog("⛔ Match terminated");
send(cmd.gameList());
break;
}
case "PLAYER_LIST":
setPlayers(msg.players);
break;
case "GET_DATA":
if (msg.key === "TOURNAMENT_STATUS") {
if (msg.value && msg.value !== "false") {
setTournamentActive(true);
setTournamentType(msg.value);
}
}
break;
case "ERROR":
addLog(`Error: ${msg.message}`);
break;
default:
break;
}
},
[send, updateGame, selectedGame]
);
const connect = useCallback(() => {
if (wsRef.current) wsRef.current.close();
setStatus("connecting");
setLog([]);
setLiveGames(new Map());
liveGamesRef.current = new Map();
setSelectedGame(null);
setScores([]);
setPlayers([]);
setGameList([]);
setTournamentActive(false);
setTournamentType(null);
const ws = new WebSocket(wsUrl);
wsRef.current = ws;
ws.onopen = () => {
setStatus("connected");
addLog("Connected as observer");
ws.send(cmd.getData("TOURNAMENT_STATUS"));
ws.send(cmd.gameList());
ws.send(cmd.playerList());
};
ws.onmessage = (e) => handleMessage(e.data as string);
ws.onclose = () => {
setStatus("disconnected");
addLog("Disconnected");
if (pollRef.current) clearInterval(pollRef.current);
};
ws.onerror = () => addLog("WebSocket error");
pollRef.current = setInterval(() => {
if (ws.readyState === WebSocket.OPEN) {
ws.send(cmd.gameList());
ws.send(cmd.playerList());
}
}, 5000);
}, [wsUrl, handleMessage]);
const disconnect = useCallback(() => {
if (pollRef.current) clearInterval(pollRef.current);
wsRef.current?.close();
}, []);
useEffect(() => () => {
if (pollRef.current) clearInterval(pollRef.current);
wsRef.current?.close();
}, []);
const selectedGameData = selectedGame !== null ? liveGames.get(selectedGame) : null;
return (
<div className="flex flex-col gap-6">
{/* Header */}
<div className="flex items-center justify-between">
<div>
<h1 className="text-2xl font-bold text-white">🏆 Tournament View</h1>
<p className="text-gray-400 text-sm mt-1">
Live standings, active matches, and player status
</p>
</div>
<StatusBadge status={status} />
</div>
{/* Connection bar */}
<div className="bg-gray-900 border border-gray-700 rounded-xl p-4 flex flex-wrap gap-3 items-end">
<div className="flex-1 min-w-48">
<label className="text-xs text-gray-400 uppercase tracking-wider mb-1 block">
Server URL
</label>
<input
className="w-full bg-gray-800 border border-gray-600 rounded-lg px-3 py-2 text-sm text-white focus:border-blue-500 focus:outline-none"
value={wsUrl}
onChange={(e) => setWsUrl(e.target.value)}
disabled={status === "connected" || status === "connecting"}
/>
</div>
{status !== "connected" ? (
<button
onClick={connect}
disabled={status === "connecting"}
className="px-5 py-2 bg-blue-600 hover:bg-blue-500 disabled:bg-gray-700 disabled:text-gray-500 text-white text-sm font-medium rounded-lg transition-colors"
>
{status === "connecting" ? "Connecting…" : "Connect"}
</button>
) : (
<button
onClick={disconnect}
className="px-5 py-2 bg-gray-700 hover:bg-gray-600 text-white text-sm font-medium rounded-lg transition-colors"
>
Disconnect
</button>
)}
</div>
{/* Tournament banner */}
{status === "connected" && (
<div
className={`rounded-xl p-4 border flex items-center gap-4 ${
tournamentActive
? "bg-purple-950/40 border-purple-600"
: "bg-gray-900 border-gray-700"
}`}
>
<div className="text-3xl">{tournamentActive ? "🏆" : "⏳"}</div>
<div>
<div className="font-semibold text-white">
{tournamentActive
? `Tournament Active — ${tournamentType ?? "Unknown Type"}`
: "No Active Tournament"}
</div>
<div className="text-sm text-gray-400">
{tournamentActive
? `${gameList.length} match${gameList.length !== 1 ? "es" : ""} running · ${players.filter((p) => p.inMatch).length}/${players.length} players in game`
: "Waiting for admin to start a tournament"}
</div>
</div>
</div>
)}
<div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
{/* Left column */}
<div className="flex flex-col gap-4">
{/* Leaderboard */}
<div className="bg-gray-900 border border-gray-700 rounded-xl p-4">
<h2 className="text-sm font-semibold text-gray-300 uppercase tracking-wider mb-3">
Leaderboard
</h2>
{scores.length === 0 ? (
<p className="text-gray-500 text-sm text-center py-4">
{status === "connected" ? "No scores yet" : "Connect to see scores"}
</p>
) : (
<div className="flex flex-col gap-1.5">
{scores.map((s, i) => (
<div
key={s.player}
className="flex items-center gap-3 px-3 py-2 rounded-lg bg-gray-800"
>
<span
className={`text-sm font-bold w-6 ${
i === 0
? "text-yellow-400"
: i === 1
? "text-gray-300"
: i === 2
? "text-amber-700"
: "text-gray-600"
}`}
>
{i === 0 ? "🥇" : i === 1 ? "🥈" : i === 2 ? "🥉" : `${i + 1}.`}
</span>
<span className="text-white flex-1 font-medium text-sm">{s.player}</span>
<span className="text-blue-400 font-bold">{s.score}</span>
</div>
))}
</div>
)}
</div>
{/* Player list */}
<div className="bg-gray-900 border border-gray-700 rounded-xl p-4">
<h2 className="text-sm font-semibold text-gray-300 uppercase tracking-wider mb-3 flex items-center justify-between">
<span>Players</span>
<span className="text-xs text-gray-500 font-normal">
{players.length} connected
</span>
</h2>
{players.length === 0 ? (
<p className="text-gray-500 text-sm text-center py-4">
{status === "connected" ? "No players connected" : "Connect to see players"}
</p>
) : (
<div className="flex flex-col gap-1.5">
{players.map((p) => (
<div
key={p.username}
className="flex items-center gap-2 px-3 py-2 rounded-lg bg-gray-800"
>
<span className="text-white text-sm flex-1 font-medium">
{p.username}
</span>
{p.inMatch ? (
<span className="text-xs px-2 py-0.5 rounded-full bg-blue-900/60 text-blue-300 border border-blue-700">
In game
</span>
) : p.ready ? (
<span className="text-xs px-2 py-0.5 rounded-full bg-green-900/60 text-green-300 border border-green-700">
Ready
</span>
) : (
<span className="text-xs px-2 py-0.5 rounded-full bg-gray-700 text-gray-500">
Idle
</span>
)}
</div>
))}
</div>
)}
</div>
{/* Event log */}
<div className="bg-gray-900 border border-gray-700 rounded-xl p-4">
<h2 className="text-sm font-semibold text-gray-300 uppercase tracking-wider mb-2">
Event Log
</h2>
<div className="flex flex-col gap-0.5 max-h-40 overflow-y-auto">
{log.slice(0, 20).map((entry, i) => (
<p key={i} className="text-xs text-gray-400 font-mono">
{entry}
</p>
))}
{log.length === 0 && (
<p className="text-gray-600 text-xs">No events yet</p>
)}
</div>
</div>
</div>
{/* Right: active matches + board */}
<div className="lg:col-span-2 flex flex-col gap-4">
{/* Active matches */}
<div className="bg-gray-900 border border-gray-700 rounded-xl p-4">
<h2 className="text-sm font-semibold text-gray-300 uppercase tracking-wider mb-3">
Active Matches
</h2>
{gameList.length === 0 ? (
<p className="text-gray-500 text-sm text-center py-3">
{status === "connected" ? "No active matches" : "Connect to see matches"}
</p>
) : (
<div className="flex flex-wrap gap-2">
{gameList.map((g) => {
const live = liveGames.get(g.id);
return (
<button
key={g.id}
onClick={() => setSelectedGame(selectedGame === g.id ? null : g.id)}
className={`px-3 py-2 rounded-lg border text-sm transition-colors ${
selectedGame === g.id
? "border-blue-500 bg-blue-950/50 text-blue-200"
: "border-gray-700 bg-gray-800 hover:border-gray-500 text-gray-300"
}`}
>
<span className="text-gray-500 text-xs font-mono mr-1">
#{g.id}
</span>
<span className="text-red-400">{g.player1}</span>
<span className="text-gray-500 mx-1">vs</span>
<span className="text-yellow-400">{g.player2}</span>
{live?.result && (
<span className="ml-1 text-xs">
{live.result.kind === "win"
? ` 🏆 ${live.result.winner}`
: live.result.kind === "draw"
? " 🤝"
: " ⛔"}
</span>
)}
</button>
);
})}
</div>
)}
</div>
{/* Selected game board */}
<div className="bg-gray-900 border border-gray-700 rounded-xl p-6 flex flex-col items-center gap-4 min-h-64">
{!selectedGameData ? (
<div className="flex flex-col items-center justify-center gap-3 py-12 text-center">
<span className="text-4xl text-gray-700">🎯</span>
<p className="text-gray-500 text-sm">
{gameList.length > 0
? "Click a match above to see the board"
: "Active matches will appear here"}
</p>
</div>
) : (
<>
{selectedGameData.result && (
<div
className={`w-full rounded-lg p-3 text-center font-semibold ${
selectedGameData.result.kind === "win"
? "bg-green-900/50 border border-green-600 text-green-300"
: selectedGameData.result.kind === "draw"
? "bg-blue-900/50 border border-blue-600 text-blue-300"
: "bg-red-900/50 border border-red-600 text-red-300"
}`}
>
{selectedGameData.result.kind === "win"
? `🏆 ${selectedGameData.result.winner} wins!`
: selectedGameData.result.kind === "draw"
? "🤝 Draw!"
: "⛔ Match Terminated"}
</div>
)}
<Board
board={selectedGameData.board}
lastMove={selectedGameData.lastMove}
player1={selectedGameData.player1}
player2={selectedGameData.player2}
currentTurnColor={selectedGameData.result ? null : selectedGameData.currentTurnColor}
disabled
/>
</>
)}
</div>
</div>
</div>
</div>
);
}
function StatusBadge({ status }: { status: ConnStatus }) {
const colors: Record<ConnStatus, string> = {
idle: "bg-gray-700 text-gray-400",
connecting: "bg-yellow-900/60 text-yellow-300 animate-pulse",
connected: "bg-green-900/60 text-green-300",
disconnected: "bg-red-900/60 text-red-300",
};
const labels: Record<ConnStatus, string> = {
idle: "Not connected",
connecting: "Connecting…",
connected: "Connected",
disconnected: "Disconnected",
};
return (
<span className={`px-3 py-1.5 rounded-full text-sm font-medium ${colors[status]}`}>
{labels[status]}
</span>
);
}