END?

Transcendence/srcs/backend/db.js

@@ -45,6 +45,15 @@ async function runMigrations()
 				IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name='users' AND column_name='games_won') THEN
 					ALTER TABLE users ADD COLUMN games_won INT DEFAULT 0;
 				END IF;
+				IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name='users' AND column_name='tetris_best_score') THEN
+					ALTER TABLE users ADD COLUMN tetris_best_score INT DEFAULT 0;
+				END IF;
+				IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name='users' AND column_name='tetris_wins') THEN
+					ALTER TABLE users ADD COLUMN tetris_wins INT DEFAULT 0;
+				END IF;
+				IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name='users' AND column_name='tetris_games_played') THEN
+					ALTER TABLE users ADD COLUMN tetris_games_played INT DEFAULT 0;
+				END IF;
 			END $$;
 		`);
 		console.log('Migrations completed!');

Transcendence/srcs/backend/routes/player_stats.js

@@ -31,7 +31,7 @@ router.get('/user/:username', authenticateToken, async (req, res) => {
 	}
 });
 
-// Get leaderboard
+// Get general leaderboard
 router.get('/leaderboard', authenticateToken, async (req, res) => {
 	try {
 		const limit = Math.min(parseInt(req.query.limit) || 10, 50);
@@ -43,4 +43,66 @@ router.get('/leaderboard', authenticateToken, async (req, res) => {
 	}
 });
 
+// Save tetris score (solo or duel) — updates best score if higher
+router.post('/tetris/score', authenticateToken, async (req, res) => {
+	try {
+		const { score } = req.body;
+		if (typeof score !== 'number' || score < 0) {
+			return res.status(400).json({ error: 'Invalid score' });
+		}
+		const bestScore = await playerStatsService.updateTetrisBestScore(req.user.userId, score);
+		await playerStatsService.incrementTetrisGamesPlayed(req.user.userId);
+		res.json({ bestScore });
+	} catch (err) {
+		console.error('Error saving tetris score:', err);
+		res.status(500).json({ error: 'Server error' });
+	}
+});
+
+// Tetris best score leaderboard
+router.get('/tetris/leaderboard/score', authenticateToken, async (req, res) => {
+	try {
+		const limit = Math.min(parseInt(req.query.limit) || 10, 50);
+		const leaderboard = await playerStatsService.getTetrisBestScoreLeaderboard(limit);
+		res.json(leaderboard);
+	} catch (err) {
+		console.error('Error getting tetris score leaderboard:', err);
+		res.status(500).json({ error: 'Server error' });
+	}
+});
+
+// Tetris duel wins leaderboard
+router.get('/tetris/leaderboard/wins', authenticateToken, async (req, res) => {
+	try {
+		const limit = Math.min(parseInt(req.query.limit) || 10, 50);
+		const leaderboard = await playerStatsService.getTetrisDuelWinsLeaderboard(limit);
+		res.json(leaderboard);
+	} catch (err) {
+		console.error('Error getting tetris wins leaderboard:', err);
+		res.status(500).json({ error: 'Server error' });
+	}
+});
+
+// Current user's rank by tetris best score
+router.get('/tetris/rank/score', authenticateToken, async (req, res) => {
+	try {
+		const rank = await playerStatsService.getTetrisScoreRank(req.user.userId);
+		res.json({ rank });
+	} catch (err) {
+		console.error('Error getting tetris score rank:', err);
+		res.status(500).json({ error: 'Server error' });
+	}
+});
+
+// Current user's rank by tetris duel wins
+router.get('/tetris/rank/wins', authenticateToken, async (req, res) => {
+	try {
+		const rank = await playerStatsService.getTetrisDuelWinsRank(req.user.userId);
+		res.json({ rank });
+	} catch (err) {
+		console.error('Error getting tetris wins rank:', err);
+		res.status(500).json({ error: 'Server error' });
+	}
+});
+
 export default router;

Transcendence/srcs/backend/services/player_stats.js

@@ -3,7 +3,8 @@ import { query } from '../db.js';
 // Get player stats by user ID
 async function getStatsByUserId(userId) {
 	const result = await query(
-		`SELECT id, username, avatar_url, total_points, games_played, games_won, created_at
+		`SELECT id, username, avatar_url, total_points, games_played, games_won,
+		        tetris_best_score, tetris_wins, tetris_games_played, created_at
 		FROM users WHERE id = $1`,
 		[userId]
 	);
@@ -13,7 +14,8 @@ async function getStatsByUserId(userId) {
 // Get player stats by username
 async function getStatsByUsername(username) {
 	const result = await query(
-		`SELECT id, username, avatar_url, total_points, games_played, games_won, created_at
+		`SELECT id, username, avatar_url, total_points, games_played, games_won,
+		        tetris_best_score, tetris_wins, tetris_games_played, created_at
 		FROM users WHERE username = $1`,
 		[username]
 	);
@@ -76,6 +78,79 @@ async function getUserIdByUsername(username) {
 	return result.rows[0]?.id || null;
 }
 
+// Update tetris best score (only if new score is higher)
+async function updateTetrisBestScore(userId, score) {
+	const result = await query(
+		`UPDATE users SET tetris_best_score = GREATEST(COALESCE(tetris_best_score, 0), $1) WHERE id = $2 RETURNING tetris_best_score`,
+		[score, userId]
+	);
+	return result.rows[0]?.tetris_best_score || 0;
+}
+
+// Increment tetris duel wins
+async function incrementTetrisWins(userId) {
+	await query(
+		`UPDATE users SET tetris_wins = COALESCE(tetris_wins, 0) + 1 WHERE id = $1`,
+		[userId]
+	);
+}
+
+// Increment tetris games played
+async function incrementTetrisGamesPlayed(userId) {
+	await query(
+		`UPDATE users SET tetris_games_played = COALESCE(tetris_games_played, 0) + 1 WHERE id = $1`,
+		[userId]
+	);
+}
+
+// Leaderboard: best tetris scores
+async function getTetrisBestScoreLeaderboard(limit = 10) {
+	const result = await query(
+		`SELECT id, username, avatar_url, tetris_best_score, tetris_wins, tetris_games_played
+		FROM users
+		WHERE tetris_best_score > 0
+		ORDER BY tetris_best_score DESC
+		LIMIT $1`,
+		[limit]
+	);
+	return result.rows;
+}
+
+// Leaderboard: most tetris duel wins
+async function getTetrisDuelWinsLeaderboard(limit = 10) {
+	const result = await query(
+		`SELECT id, username, avatar_url, tetris_wins, tetris_games_played, tetris_best_score
+		FROM users
+		WHERE tetris_wins > 0
+		ORDER BY tetris_wins DESC
+		LIMIT $1`,
+		[limit]
+	);
+	return result.rows;
+}
+
+// Rank of a user by tetris best score (1 = best)
+async function getTetrisScoreRank(userId) {
+	const result = await query(
+		`SELECT COUNT(*) + 1 AS rank
+		FROM users
+		WHERE tetris_best_score > COALESCE((SELECT tetris_best_score FROM users WHERE id = $1), 0)`,
+		[userId]
+	);
+	return parseInt(result.rows[0]?.rank || 1);
+}
+
+// Rank of a user by tetris duel wins (1 = best)
+async function getTetrisDuelWinsRank(userId) {
+	const result = await query(
+		`SELECT COUNT(*) + 1 AS rank
+		FROM users
+		WHERE tetris_wins > COALESCE((SELECT tetris_wins FROM users WHERE id = $1), 0)`,
+		[userId]
+	);
+	return parseInt(result.rows[0]?.rank || 1);
+}
+
 export default {
 	getStatsByUserId,
 	getStatsByUsername,
@@ -84,5 +159,12 @@ export default {
 	incrementGamesPlayed,
 	incrementGamesWon,
 	getLeaderboard,
-	getUserIdByUsername
+	getUserIdByUsername,
+	updateTetrisBestScore,
+	incrementTetrisWins,
+	incrementTetrisGamesPlayed,
+	getTetrisBestScoreLeaderboard,
+	getTetrisDuelWinsLeaderboard,
+	getTetrisScoreRank,
+	getTetrisDuelWinsRank
 };

Transcendence/srcs/backend/services/socket.js

@@ -10,6 +10,9 @@ const gameRooms = new Map();
 // Store tetris duel rooms  { roomCode → Map<socketId, socket> }
 const tetrisRooms = new Map();
 
+// Matchmaking queue for tetris
+const tetrisMatchmakingQueue = [];
+
 // Store io instance globally for use in routes
 let ioInstance = null;
 
@@ -770,13 +773,65 @@ function setupSocketIO(io)
 			}
 		});
 
-		// game-over → relayé en opponent-game-over chez l'adversaire
-		socket.on('tetris:game-over', (data) => {
-			_tetrisRelayToOpponent(socket, 'tetris:opponent-game-over', data);
+		// game-over → save stats + relay opponent-game-over
+		socket.on('tetris:game-over', async (data) => {
+			const loserId = socket.user.userId;
+			try {
+				await playerStatsService.updateTetrisBestScore(loserId, data.score || 0);
+				await playerStatsService.incrementTetrisGamesPlayed(loserId);
+			} catch (err) {
+				console.error('Error saving tetris loser stats:', err);
+			}
+
+			const code = socket.tetrisRoomCode;
+			if (code) {
+				const room = tetrisRooms.get(code);
+				if (room) {
+					for (const [id, s] of room) {
+						if (id !== socket.id) {
+							s.emit('tetris:opponent-game-over', data);
+							try {
+								await playerStatsService.incrementTetrisWins(s.user.userId);
+								await playerStatsService.incrementTetrisGamesPlayed(s.user.userId);
+							} catch (err) {
+								console.error('Error saving tetris winner stats:', err);
+							}
+						}
+					}
+				}
+			}
+		});
+
+		// Matchmaking
+		socket.on('tetris:matchmaking-join', () => {
+			// Remove from queue if already there
+			const idx = tetrisMatchmakingQueue.findIndex(s => s.id === socket.id);
+			if (idx !== -1) tetrisMatchmakingQueue.splice(idx, 1);
+
+			tetrisMatchmakingQueue.push(socket);
+			socket.emit('tetris:matchmaking-status', { status: 'searching', position: tetrisMatchmakingQueue.length });
+
+			if (tetrisMatchmakingQueue.length >= 2) {
+				const player1 = tetrisMatchmakingQueue.shift();
+				const player2 = tetrisMatchmakingQueue.shift();
+				const roomCode = Math.random().toString(36).substring(2, 8).toUpperCase();
+				player1.emit('tetris:matched', { roomCode, opponent: player2.user.username });
+				player2.emit('tetris:matched', { roomCode, opponent: player1.user.username });
+			}
+		});
+
+		socket.on('tetris:matchmaking-leave', () => {
+			const idx = tetrisMatchmakingQueue.findIndex(s => s.id === socket.id);
+			if (idx !== -1) tetrisMatchmakingQueue.splice(idx, 1);
+			socket.emit('tetris:matchmaking-status', { status: 'idle' });
 		});
 
 		socket.on('disconnect', async () =>
 		{
+			// Nettoyage matchmaking tetris
+			const mqIdx = tetrisMatchmakingQueue.findIndex(s => s.id === socket.id);
+			if (mqIdx !== -1) tetrisMatchmakingQueue.splice(mqIdx, 1);
+
 			// Nettoyage room tetris
 			if (socket.tetrisRoomCode) {
 				_tetrisLeave(socket);

Transcendence/srcs/frontend/src/app.js

@@ -8,6 +8,7 @@ import { GlobalChat } from './global_chat.js';
 import { AvatarWindow } from './avatar.js';
 import { FriendsWindow } from './friends.js';
 import { GameRoomWindow } from './game_room.js';
+import { StatsWindow } from './stats.js';
 
 /**
  * Main application class
@@ -30,6 +31,7 @@ class App {
         new AvatarWindow();
         new FriendsWindow();
         new GameRoomWindow();
+        new StatsWindow();
     }
 
     /**

Transcendence/srcs/frontend/src/avatar.js

@@ -1,4 +1,4 @@
-import { Window } from './windows.js';
+import { Window, windowRegistry } from './windows.js';
 import { API, STORAGE_KEYS, CSS } from './config.js';
 import { eventBus, Events } from './events.js';
 
@@ -52,6 +52,10 @@ export class AvatarWindow extends Window {
         // Controls
         this.controls = this.createElement('div', CSS.AVATAR_CONTROLS);
 
+        this.statsBtn = this.createElement('button', [CSS.BTN, CSS.BTN_PRIMARY], {
+            text: 'Mes statistiques'
+        });
+
         this.chooseBtn = this.createElement('button', [CSS.BTN, CSS.BTN_SECONDARY], {
             text: 'Choose image'
         });
@@ -64,7 +68,7 @@ export class AvatarWindow extends Window {
             text: 'Refresh'
         });
 
-        this.controls.append(this.chooseBtn, this.saveBtn, this.refreshBtn);
+        this.controls.append(this.statsBtn, this.chooseBtn, this.saveBtn, this.refreshBtn);
 
         // Feedback message
         this.message = this.createElement('div', CSS.MESSAGE);
@@ -85,6 +89,7 @@ export class AvatarWindow extends Window {
      */
     bindEvents() {
         this.fileInput.addEventListener('change', (e) => this.handleFileSelect(e));
+        this.statsBtn.addEventListener('click', () => windowRegistry.get('stats')?.showMe());
         this.chooseBtn.addEventListener('click', () => this.fileInput.click());
         this.saveBtn.addEventListener('click', () => this.uploadAvatar());
         this.refreshBtn.addEventListener('click', () => this.loadAvatar());

Transcendence/srcs/frontend/src/config.js

@@ -36,7 +36,10 @@ export const API = {
     STATS: {
         ME: '/api/stats/me',
         USER: (username) => `/api/stats/user/${username}`,
-        LEADERBOARD: '/api/stats/leaderboard'
+        LEADERBOARD: '/api/stats/leaderboard',
+        TETRIS_SCORE: '/api/stats/tetris/score',
+        TETRIS_LEADERBOARD_SCORE: '/api/stats/tetris/leaderboard/score',
+        TETRIS_LEADERBOARD_WINS: '/api/stats/tetris/leaderboard/wins'
     }
 };
 

Transcendence/srcs/frontend/src/friends.js

@@ -1,4 +1,4 @@
-import { Window } from './windows.js';
+import { Window, windowRegistry } from './windows.js';
 import { API, STORAGE_KEYS, CSS } from './config.js';
 import { eventBus, Events } from './events.js';
 
@@ -309,11 +309,16 @@ export class FriendsWindow extends Window {
         const actions = this.createElement('div', CSS.FRIENDS_ACTIONS);
 
         if (type === 'friend') {
+            const statsBtn = this.createElement('button', [CSS.BTN, CSS.BTN_SECONDARY], {
+                text: 'Stats'
+            });
+            statsBtn.addEventListener('click', () => windowRegistry.get('stats')?.showUser(user.username));
+
             const removeBtn = this.createElement('button', [CSS.BTN, CSS.BTN_DANGER], {
                 text: 'Retirer'
             });
             removeBtn.addEventListener('click', () => this.removeFriend(user.id));
-            actions.appendChild(removeBtn);
+            actions.append(statsBtn, removeBtn);
         } else if (type === 'request') {
             const acceptBtn = this.createElement('button', [CSS.BTN, CSS.BTN_SUCCESS], {
                 text: 'Accepter'
@@ -327,11 +332,16 @@ export class FriendsWindow extends Window {
 
             actions.append(acceptBtn, declineBtn);
         } else if (type === 'search') {
+            const statsBtn = this.createElement('button', [CSS.BTN, CSS.BTN_SECONDARY], {
+                text: 'Stats'
+            });
+            statsBtn.addEventListener('click', () => windowRegistry.get('stats')?.showUser(user.username));
+
             const addBtn = this.createElement('button', [CSS.BTN, CSS.BTN_PRIMARY], {
                 text: 'Ajouter'
             });
             addBtn.addEventListener('click', () => this.sendRequest(user.id, addBtn));
-            actions.appendChild(addBtn);
+            actions.append(statsBtn, addBtn);
         }
 
         item.append(avatar, infoContainer, actions);

Transcendence/srcs/frontend/src/index.css

@@ -531,6 +531,76 @@ body {
     display: none;
 }
 
+/* ============================================
+   STATS WINDOW
+   ============================================ */
+.stats-window {
+    width: 320px;
+}
+
+.stats__avatar {
+    width: 72px;
+    height: 72px;
+    object-fit: cover;
+    border-radius: var(--radius-full);
+    border: 2px solid var(--color-text);
+    align-self: center;
+    display: block;
+    margin: 0 auto var(--spacing-xs);
+}
+
+.stats__username {
+    font-size: var(--font-size-lg);
+    font-weight: 600;
+    text-align: center;
+    color: #000;
+    margin-bottom: var(--spacing-md);
+}
+
+.stats__section {
+    margin-bottom: var(--spacing-md);
+}
+
+.stats__section-title {
+    font-size: var(--font-size-sm);
+    font-weight: 700;
+    text-transform: uppercase;
+    letter-spacing: 0.08em;
+    color: var(--color-primary);
+    border-bottom: 1px solid var(--color-surface-light);
+    padding-bottom: var(--spacing-xs);
+    margin-bottom: var(--spacing-xs);
+}
+
+.stats__section-body {
+    display: flex;
+    flex-direction: column;
+    gap: 4px;
+}
+
+.stats__row {
+    display: flex;
+    justify-content: space-between;
+    font-size: var(--font-size-sm);
+    padding: 3px 0;
+}
+
+.stats__label {
+    color: #333;
+}
+
+.stats__value {
+    font-weight: 600;
+    color: #000;
+}
+
+.stats__loading {
+    font-size: var(--font-size-sm);
+    color: #333;
+    text-align: center;
+    padding: var(--spacing-sm) 0;
+}
+
 /* ============================================
    EASTER EGG BUTTON
    ============================================ */

Transcendence/srcs/frontend/src/stats.js

@@ -0,0 +1,122 @@
+import { Window } from './windows.js';
+import { API, STORAGE_KEYS } from './config.js';
+
+/**
+ * Stats window — displays Scribble + Tetris stats for any user
+ * Usage: windowRegistry.get('stats').showUser(username)
+ */
+export class StatsWindow extends Window {
+    constructor() {
+        super({
+            name: 'stats',
+            title: 'Statistiques',
+            cssClasses: ['stats-window']
+        });
+
+        this.buildUI();
+    }
+
+    buildUI() {
+        this.avatarEl = this.createElement('img', 'stats__avatar', { alt: 'Avatar' });
+        this.avatarEl.src = '/avatar/default.png';
+
+        this.usernameEl = this.createElement('div', 'stats__username');
+
+        // Scribble section
+        const scribbleSection = this.createElement('div', 'stats__section');
+        const scribbleTitle = this.createElement('div', 'stats__section-title', { text: 'Scribble' });
+        this.scribbleBody = this.createElement('div', 'stats__section-body');
+        scribbleSection.append(scribbleTitle, this.scribbleBody);
+
+        // Tetris section
+        const tetrisSection = this.createElement('div', 'stats__section');
+        const tetrisTitle = this.createElement('div', 'stats__section-title', { text: 'Tetris' });
+        this.tetrisBody = this.createElement('div', 'stats__section-body');
+        tetrisSection.append(tetrisTitle, this.tetrisBody);
+
+        this.body.append(this.avatarEl, this.usernameEl, scribbleSection, tetrisSection);
+    }
+
+    async showUser(username) {
+        this.show();
+        this.setTitle('Statistiques');
+        this.usernameEl.textContent = username;
+        this.avatarEl.src = '/avatar/default.png';
+        this.scribbleBody.innerHTML = '<div class="stats__loading">Chargement…</div>';
+        this.tetrisBody.innerHTML = '';
+
+        const token = localStorage.getItem(STORAGE_KEYS.AUTH_TOKEN);
+        if (!token) return;
+
+        try {
+            const res = await fetch(API.STATS.USER(username), {
+                headers: { 'Authorization': `Bearer ${token}` }
+            });
+            if (!res.ok) {
+                this.scribbleBody.innerHTML = '<div class="stats__loading">Erreur</div>';
+                return;
+            }
+            const data = await res.json();
+            this.renderStats(data);
+        } catch (err) {
+            console.error('Stats load error:', err);
+        }
+    }
+
+    async showMe() {
+        this.show();
+        this.setTitle('Mes statistiques');
+        this.scribbleBody.innerHTML = '<div class="stats__loading">Chargement…</div>';
+        this.tetrisBody.innerHTML = '';
+
+        const token = localStorage.getItem(STORAGE_KEYS.AUTH_TOKEN);
+        if (!token) return;
+
+        try {
+            const res = await fetch(API.STATS.ME, {
+                headers: { 'Authorization': `Bearer ${token}` }
+            });
+            if (!res.ok) return;
+            const data = await res.json();
+            this.renderStats(data);
+        } catch (err) {
+            console.error('Stats load error:', err);
+        }
+    }
+
+    renderStats(data) {
+        this.setTitle(`Stats — ${data.username}`);
+        this.usernameEl.textContent = data.username;
+        this.avatarEl.src = data.avatar_url || '/avatar/default.png';
+
+        this.scribbleBody.innerHTML = `
+            <div class="stats__row">
+                <span class="stats__label">Points</span>
+                <span class="stats__value">${data.total_points || 0}</span>
+            </div>
+            <div class="stats__row">
+                <span class="stats__label">Parties</span>
+                <span class="stats__value">${data.games_played || 0}</span>
+            </div>
+            <div class="stats__row">
+                <span class="stats__label">Victoires</span>
+                <span class="stats__value">${data.games_won || 0}</span>
+            </div>
+        `;
+
+        this.tetrisBody.innerHTML = `
+            <div class="stats__row">
+                <span class="stats__label">Meilleur score</span>
+                <span class="stats__value">${data.tetris_best_score || 0}</span>
+            </div>
+            <div class="stats__row">
+                <span class="stats__label">Duels gagnés</span>
+                <span class="stats__value">${data.tetris_wins || 0}</span>
+            </div>
+            <div class="stats__row">
+                <span class="stats__label">Parties</span>
+                <span class="stats__value">${data.tetris_games_played || 0}</span>
+            </div>
+        `;
+    }
+}

Transcendence/srcs/frontend/src/tetris.css

@@ -383,3 +383,145 @@ button:disabled { opacity: 0.3; cursor: not-allowed; }
     opacity: 0.3;
     cursor: not-allowed;
 }
+
+/* ── Matchmaking ── */
+#btn-matchmaking, #btn-matchmaking-cancel {
+    background: transparent;
+    border: 1px solid var(--accent2);
+    border-radius: 4px;
+    color: var(--accent2);
+    font-family: 'Share Tech Mono', monospace;
+    font-size: 0.65rem;
+    padding: 5px 10px;
+    cursor: pointer;
+    transition: background 0.2s, box-shadow 0.2s;
+    flex: 1;
+}
+
+#btn-matchmaking:hover:not(:disabled) {
+    background: rgba(255,0,170,0.15);
+    box-shadow: 0 0 8px rgba(255,0,170,0.3);
+}
+
+#btn-matchmaking-cancel {
+    border-color: var(--dim);
+    color: var(--dim);
+}
+
+#btn-matchmaking-cancel:not(:disabled) {
+    border-color: var(--accent2);
+    color: var(--accent2);
+}
+
+#btn-matchmaking:disabled, #btn-matchmaking-cancel:disabled {
+    opacity: 0.3;
+    cursor: not-allowed;
+}
+
+#matchmaking-status {
+    font-size: 0.6rem;
+    min-height: 1rem;
+    text-align: center;
+    letter-spacing: 0.05em;
+}
+
+#matchmaking-status.waiting { color: #ffcc00; }
+#matchmaking-status.ready   { color: var(--accent); }
+
+/* ── Leaderboards ── */
+#leaderboard-section {
+    position: relative;
+    z-index: 1;
+    width: 100%;
+    max-width: 620px;
+    margin: 20px auto 30px;
+    background: var(--panel);
+    border: 1px solid var(--border);
+    border-radius: 8px;
+    overflow: hidden;
+}
+
+.leaderboard-tabs {
+    display: flex;
+    border-bottom: 1px solid var(--border);
+}
+
+.lb-tab {
+    flex: 1;
+    background: transparent;
+    border: none;
+    color: var(--dim);
+    font-family: 'Orbitron', monospace;
+    font-size: 0.6rem;
+    letter-spacing: 0.1em;
+    text-transform: uppercase;
+    padding: 10px;
+    cursor: pointer;
+    transition: color 0.2s, background 0.2s;
+}
+
+.lb-tab:hover { color: var(--text); }
+
+.lb-tab--active {
+    color: var(--accent);
+    background: rgba(0,255,231,0.05);
+    border-bottom: 2px solid var(--accent);
+}
+
+.lb-content { display: none; }
+.lb-content--active { display: block; }
+
+.lb-table {
+    width: 100%;
+    border-collapse: collapse;
+    font-size: 0.7rem;
+}
+
+.lb-table th {
+    text-align: left;
+    padding: 8px 12px;
+    color: var(--accent);
+    font-family: 'Orbitron', monospace;
+    font-size: 0.55rem;
+    letter-spacing: 0.1em;
+    text-transform: uppercase;
+    border-bottom: 1px solid var(--border);
+}
+
+.lb-table td {
+    padding: 7px 12px;
+    border-bottom: 1px solid rgba(26,26,62,0.5);
+    color: var(--text);
+}
+
+.lb-table tr:last-child td { border-bottom: none; }
+
+.lb-table tr:hover td {
+    background: rgba(0,255,231,0.03);
+}
+
+.lb-table tr.lb-me td {
+    background: rgba(0,255,231,0.07);
+    color: var(--accent);
+}
+
+.lb-you {
+    color: var(--dim);
+    font-size: 0.6rem;
+}
+
+.lb-table tr.lb-separator td {
+    text-align: center;
+    color: var(--dim);
+    padding: 4px;
+    font-size: 0.6rem;
+    border-bottom: none;
+}
+
+.lb-table td:first-child {
+    color: var(--dim);
+    font-size: 0.6rem;
+    width: 30px;
+}
+
+body { overflow-y: auto; }

Transcendence/srcs/frontend/src/tetris.html

@@ -24,6 +24,11 @@
         <button id="btn-join-duel">Rejoindre</button>
         <button id="btn-leave-duel" disabled>Quitter</button>
     </div>
+    <div class="duel-row">
+        <button id="btn-matchmaking">Trouver un adversaire</button>
+        <button id="btn-matchmaking-cancel" disabled>Annuler</button>
+    </div>
+    <div id="matchmaking-status"></div>
     <div id="duel-status">—</div>
 </div>
 
@@ -117,6 +122,36 @@
 
 </div>
 
+<!-- ── LEADERBOARDS ── -->
+<div id="leaderboard-section">
+    <div class="leaderboard-tabs">
+        <button class="lb-tab lb-tab--active" data-tab="scores">Meilleurs scores</button>
+        <button class="lb-tab" data-tab="wins">Duels gagnés</button>
+    </div>
+
+    <div id="lb-scores" class="lb-content lb-content--active">
+        <table class="lb-table">
+            <thead>
+                <tr><th>#</th><th>Joueur</th><th>Meilleur score</th><th>Parties</th></tr>
+            </thead>
+            <tbody id="lb-scores-body">
+                <tr><td colspan="4">Chargement…</td></tr>
+            </tbody>
+        </table>
+    </div>
+
+    <div id="lb-wins" class="lb-content">
+        <table class="lb-table">
+            <thead>
+                <tr><th>#</th><th>Joueur</th><th>Victoires</th><th>Parties</th></tr>
+            </thead>
+            <tbody id="lb-wins-body">
+                <tr><td colspan="4">Chargement…</td></tr>
+            </tbody>
+        </table>
+    </div>
+</div>
+
 
 <script src="/socket.io/socket.io.js"></script>
 <script src="pieces.js"></script>

Transcendence/srcs/frontend/src/tetris.js.backup

@@ -1,401 +0,0 @@
-// ─────────────────────────────────────────────
-// LOGIQUE TETRIS
-// ─────────────────────────────────────────────
-
-class Tetris {
-    constructor(onRender, onGameOver, onBlockPlaced = null, onLinesCleared = null) {
-        this.onRender       = onRender;
-        this.onGameOver     = onGameOver;
-        this.onBlockPlaced  = onBlockPlaced;
-        this.onLinesCleared = onLinesCleared;
-
-        this.grid         = this._createGrid(10, 20);
-        this.bufferGrid   = this._createGrid(10, 5);
-        this.currentPiece = null;
-        this.storedPiece  = null;
-        this.nextPiece    = null;
-
-        this.score            = 0;
-        this.initialTimeToDown = 1000;
-        this.timeToDown       = 1000;
-        this.hardening        = 1000;
-        this.count            = 0;
-        this.decrementTTD     = 100;
-
-        this.lastLandingCol = 4;
-
-        this.isRunning = false;
-        this.isPaused  = false;
-        this.canStore  = true;
-
-        this.animationFrameId = null;
-        this.lastTime         = 0;
-        this.accumulator      = 0;
-
-        this._keyHandler = this._handleKey.bind(this);
-    }
-
-    configure({ timeToDown, hardening, decrementTTD }) {
-        if (timeToDown   !== undefined) this.initialTimeToDown = this.timeToDown = timeToDown;
-        if (hardening    !== undefined) this.hardening    = hardening;
-        if (decrementTTD !== undefined) this.decrementTTD = decrementTTD;
-    }
-
-    _createGrid(w, h) {
-        return Array.from({ length: h }, () => Array(w).fill(0));
-    }
-
-    start() {
-        if (this.isRunning) return;
-        this.isRunning  = true;
-        this.isPaused   = false;
-        this.grid       = this._createGrid(10, 20);
-        this.score      = 0;
-        this.count      = 0;
-        this.timeToDown = this.initialTimeToDown;
-        this.storedPiece = null;
-        this.canStore    = true;
-        this._spawnNewPiece();
-        document.addEventListener('keydown', this._keyHandler);
-        this._startGameLoop();
-    }
-
-    stop() {
-        this.isRunning = false;
-        this.isPaused  = false;
-        if (this.animationFrameId !== null) {
-            cancelAnimationFrame(this.animationFrameId);
-            this.animationFrameId = null;
-        }
-        this.accumulator = 0;
-        this.lastTime    = 0;
-        document.removeEventListener('keydown', this._keyHandler);
-    }
-
-    pause() {
-        if (!this.isRunning) return;
-        this.isPaused = !this.isPaused;
-        if (!this.isPaused) {
-            this.lastTime = 0;
-            this._startGameLoop();
-        }
-    }
-
-    _startGameLoop() {
-        this.lastTime    = 0;
-        this.accumulator = 0;
-
-        const gameLoop = (currentTime) => {
-            if (!this.isRunning) return;
-
-            if (this.isPaused) {
-                this.animationFrameId = requestAnimationFrame(gameLoop);
-                return;
-            }
-
-            if (this.lastTime === 0) {
-                this.lastTime = currentTime;
-                this.animationFrameId = requestAnimationFrame(gameLoop);
-                return;
-            }
-
-            const deltaTime = currentTime - this.lastTime;
-            this.lastTime = currentTime;
-            this.accumulator += deltaTime;
-
-            while (this.isRunning && this.accumulator >= this.timeToDown) {
-                this._tick();
-                this.accumulator -= this.timeToDown;
-                if (this.accumulator > this.timeToDown * 3) {
-                    this.accumulator = 0;
-                    break;
-                }
-            }
-
-            this.onRender();
-            this.animationFrameId = requestAnimationFrame(gameLoop);
-        };
-
-        this.animationFrameId = requestAnimationFrame(gameLoop);
-    }
-
-    _tick() {
-        if (!this.currentPiece) return;
-        if (this._canMoveDown()) {
-            this.currentPiece.moveDown();
-        } else {
-            this._lockPiece();
-            this.verifierLignes();
-            this._makeHarder();
-            this._spawnNewPiece();
-            this.canStore = true;
-            if (!this._canSpawn()) this._gameOver(true);
-        }
-    }
-
-    _handleKey(e) {
-        if (!this.isRunning || !this.currentPiece) return;
-
-        switch (e.key) {
-            case 'ArrowLeft':
-                e.preventDefault();
-                if (!this.isPaused && this._canMoveLeft())  this.currentPiece.moveLeft();
-                break;
-            case 'ArrowRight':
-                e.preventDefault();
-                if (!this.isPaused && this._canMoveRight()) this.currentPiece.moveRight();
-                break;
-            case 'ArrowDown':
-                e.preventDefault();
-                if (!this.isPaused && this._canMoveDown()) {
-                    this.currentPiece.moveDown();
-                    this.score += 1;
-                    this.accumulator = 0;
-                }
-                break;
-            case ' ':
-                e.preventDefault();
-                if (!this.isPaused) this._hardDrop();
-                break;
-            case 'q': case 'Q':
-                e.preventDefault();
-                if (!this.isPaused) this._rotatePiece(-1);
-                break;
-            case 'w': case 'W':
-                e.preventDefault();
-                if (!this.isPaused) this._rotatePiece(1);
-                break;
-            case 'c': case 'C':
-                e.preventDefault();
-                if (!this.isPaused) this._storePiece();
-                break;
-        }
-
-        this.onRender();
-    }
-
-    _hardDrop() {
-        if (!this.currentPiece) return;
-        let dist = 0;
-        while (this._canMoveDown()) { this.currentPiece.moveDown(); dist++; }
-        this.score += dist * 2;
-        this._lockPiece();
-        this.verifierLignes();
-        this._makeHarder();
-        this._spawnNewPiece();
-        this.canStore    = true;
-        this.accumulator = 0;
-        if (!this._canSpawn()) this._gameOver(true);
-    }
-
-    _rotatePiece(direction) {
-        if (!this.currentPiece) return;
-        const originalPos = { ...this.currentPiece.getPosition() };
-
-        if (direction === -1) this.currentPiece.rotateLeft();
-        else                  this.currentPiece.rotateRight();
-
-        if (!this._isValidPosition()) {
-            this.currentPiece.moveRight();
-            if (this._isValidPosition()) return;
-
-            this.currentPiece.moveLeft();
-            this.currentPiece.moveLeft();
-            if (this._isValidPosition()) return;
-
-            this.currentPiece.moveLeft();
-            if (this._isValidPosition()) return;
-
-            this.currentPiece.moveRight();
-            this.currentPiece.moveRight();
-            this.currentPiece.position.y--;
-            if (this._isValidPosition()) return;
-
-            this.currentPiece.position.y = originalPos.y;
-            this.currentPiece.position.x = originalPos.x;
-            if (direction === -1) this.currentPiece.rotateRight();
-            else                  this.currentPiece.rotateLeft();
-        }
-    }
-
-    _storePiece() {
-        if (!this.canStore || !this.currentPiece) return;
-
-        if (this.storedPiece === null) {
-            this.storedPiece = this.currentPiece;
-            this._spawnNewPiece();
-        } else {
-            const temp        = this.storedPiece;
-            this.storedPiece  = this.currentPiece;
-            this.currentPiece = temp;
-            this.currentPiece.position.x = 3;
-            this.currentPiece.position.y = 0;
-        }
-        this.canStore    = false;
-        this.accumulator = 0;
-    }
-
-    _spawnNewPiece() {
-        this.currentPiece = this.nextPiece || this._createRandomPiece();
-        this.nextPiece    = this._createRandomPiece();
-        this._updateBufferGrid();
-    }
-
-    _createRandomPiece() {
-        const types = [PieceT, PieceL, PieceReverseL, PieceI, PieceZ, PieceReverseZ, PieceO];
-        return new types[Math.floor(Math.random() * types.length)](3, 0);
-    }
-
-    _updateBufferGrid() {
-        this.bufferGrid = this._createGrid(10, 5);
-        if (!this.nextPiece) return;
-        const shape   = this.nextPiece.getShape();
-        const offsetX = Math.floor((10 - shape[0].length) / 2);
-        for (let y = 0; y < shape.length; y++)
-            for (let x = 0; x < shape[y].length; x++)
-                if (shape[y][x] !== 0)
-                    this.bufferGrid[y + 1][x + offsetX] = this.nextPiece.getColor();
-    }
-
-    verifierLignes() {
-        let cleared = 0;
-        for (let y = this.grid.length - 1; y >= 0; y--) {
-            if (this.grid[y].every(c => c !== 0)) {
-                this.grid.splice(y, 1);
-                this.grid.unshift(Array(10).fill(0));
-                cleared++;
-                y++;
-            }
-        }
-        const points = [0, 100, 300, 500, 800];
-        this.score += points[cleared];
-        this.count += points[cleared];
-        if (this.onLinesCleared && cleared > 0)
-            this.onLinesCleared(cleared, this.lastLandingCol);
-    }
-
-    _makeHarder() {
-        if (this.count >= this.hardening) {
-            this.count = 0;
-            this.timeToDown = Math.max(100, this.timeToDown - this.decrementTTD);
-        }
-    }
-
-    _canMoveDown() {
-        if (!this.currentPiece) return false;
-        const { x, y } = this.currentPiece.getPosition();
-        const shape    = this.currentPiece.getShape();
-        for (let row = 0; row < shape.length; row++)
-            for (let col = 0; col < shape[row].length; col++)
-                if (shape[row][col] !== 0) {
-                    const ny = y + row + 1;
-                    const nx = x + col;
-                    if (ny < 0) continue; // encore au-dessus de la grille
-                    if (ny >= this.grid.length || this.grid[ny][nx] !== 0) return false;
-                }
-        return true;
-    }
-
-    _canMoveLeft() {
-        if (!this.currentPiece) return false;
-        const { x, y } = this.currentPiece.getPosition();
-        const shape    = this.currentPiece.getShape();
-        for (let row = 0; row < shape.length; row++)
-            for (let col = 0; col < shape[row].length; col++)
-                if (shape[row][col] !== 0) {
-                    if (y + row < 0) continue; // au-dessus de la grille
-                    const nx = x + col - 1;
-                    if (nx < 0 || this.grid[y + row][nx] !== 0) return false;
-                }
-        return true;
-    }
-
-    _canMoveRight() {
-        if (!this.currentPiece) return false;
-        const { x, y } = this.currentPiece.getPosition();
-        const shape    = this.currentPiece.getShape();
-        for (let row = 0; row < shape.length; row++)
-            for (let col = 0; col < shape[row].length; col++)
-                if (shape[row][col] !== 0) {
-                    if (y + row < 0) continue; // au-dessus de la grille
-                    const nx = x + col + 1;
-                    if (nx >= this.grid[0].length || this.grid[y + row][nx] !== 0) return false;
-                }
-        return true;
-    }
-
-    _isValidPosition() {
-        if (!this.currentPiece) return false;
-        const { x, y } = this.currentPiece.getPosition();
-        const shape    = this.currentPiece.getShape();
-        for (let row = 0; row < shape.length; row++)
-            for (let col = 0; col < shape[row].length; col++)
-                if (shape[row][col] !== 0) {
-                    const gx = x + col;
-                    const gy = y + row;
-                    if (gx < 0 || gx >= this.grid[0].length ||
-                        gy < 0 || gy >= this.grid.length ||
-                        this.grid[gy][gx] !== 0) return false;
-                }
-        return true;
-    }
-
-    _canSpawn()  { return this._isValidPosition(); }
-
-    _lockPiece() {
-        if (!this.currentPiece) return;
-        const { x, y } = this.currentPiece.getPosition();
-        const shape    = this.currentPiece.getShape();
-        const color    = this.currentPiece.getColor();
-        for (let row = 0; row < shape.length; row++)
-            for (let col = 0; col < shape[row].length; col++)
-                if (shape[row][col] !== 0 && y + row >= 0)
-                    this.grid[y + row][x + col] = color;
-        this.lastLandingCol = x + Math.floor(shape[0].length / 2);
-        if (this.onBlockPlaced) this.onBlockPlaced(this.grid.map(r => [...r]));
-    }
-
-    addGarbageLines(lines) {
-        if (!this.isRunning || !lines.length) return;
-        this.grid.splice(0, lines.length);
-        for (const line of lines) this.grid.push([...line]); // ...line pour faire une copie independante
-        // La grille a remonté de lines.length lignes — on remonte la pièce du même décalage
-        // pour qu'elle reste dans la même position relative aux blocs verrouillés.
-        if (this.currentPiece) {
-            this.currentPiece.position.y -= lines.length;
-        }
-        if (this.grid[0].some(c => c !== 0)) { this._gameOver(false); return; }
-        if (!this._isValidPositionAllowTop()) this._gameOver(false);
-    }
-
-    // Comme _isValidPosition mais tolère gy < 0 (zone tampon au-dessus de la grille après garbage)
-    _isValidPositionAllowTop() {
-        if (!this.currentPiece) return true;
-        const { x, y } = this.currentPiece.getPosition();
-        const shape    = this.currentPiece.getShape();
-        for (let row = 0; row < shape.length; row++)
-            for (let col = 0; col < shape[row].length; col++)
-                if (shape[row][col] !== 0) {
-                    const gy = y + row;
-                    const gx = x + col;
-                    if (gy < 0) continue; // au-dessus de la grille : OK
-                    if (gx < 0 || gx >= this.grid[0].length ||
-                        gy >= this.grid.length ||
-                        this.grid[gy][gx] !== 0) return false;
-                }
-        return true;
-    }
-
-    _gameOver(validBlock = false) {
-    }
-}
-    _gameOver(validBlock = false) {
-        this.stop();
-        this.onGameOver(this.score, validBlock);
-    }
-    
-    restart() {
-        this.stop();
-        this.start();
-    }
-}

Transcendence/srcs/frontend/src/ui.js

@@ -17,6 +17,11 @@ const inputRoomCode = document.getElementById('input-room-code');
 const duelStatusEl     = document.getElementById('duel-status');
 const opponentSection  = document.getElementById('opponent-section');
 
+// Matchmaking UI
+const btnMatchmaking       = document.getElementById('btn-matchmaking');
+const btnMatchmakingCancel = document.getElementById('btn-matchmaking-cancel');
+const matchmakingStatusEl  = document.getElementById('matchmaking-status');
+
 function updateButtons() {
     btnStart.disabled        = game.isRunning;
     btnPause.disabled        = !game.isRunning;
@@ -76,6 +81,34 @@ function startLocalGame() {
     render();
 }
 
+// ─────────────────────────────────────────────
+// SCORE SAVE (solo)
+// ─────────────────────────────────────────────
+
+function saveTetrisScore(score) {
+    const token = localStorage.getItem('auth_token');
+    if (!token) return;
+    fetch('/api/stats/tetris/score', {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json',
+            'Authorization': `Bearer ${token}`
+        },
+        body: JSON.stringify({ score })
+    })
+    .then(r => r.json())
+    .then(data => {
+        if (data.bestScore !== undefined) {
+            console.log('Meilleur score tetris:', data.bestScore);
+        }
+    })
+    .catch(err => console.error('Erreur sauvegarde score tetris:', err));
+}
+
+// ─────────────────────────────────────────────
+// DUEL BUTTONS
+// ─────────────────────────────────────────────
+
 btnJoinDuel.addEventListener('click', () => {
     const code = inputRoomCode.value.trim().toUpperCase();
     if (!code) return;
@@ -96,6 +129,56 @@ btnLeaveDuel.addEventListener('click', () => {
     updateDuelStatus(null, null);
 });
 
+// ─────────────────────────────────────────────
+// MATCHMAKING
+// ─────────────────────────────────────────────
+
+btnMatchmaking.addEventListener('click', () => {
+    socket.emit('tetris:matchmaking-join');
+    btnMatchmaking.disabled       = true;
+    btnMatchmakingCancel.disabled = false;
+    btnJoinDuel.disabled          = true;
+    matchmakingStatusEl.textContent = 'Recherche en cours…';
+    matchmakingStatusEl.className   = 'waiting';
+});
+
+btnMatchmakingCancel.addEventListener('click', () => {
+    socket.emit('tetris:matchmaking-leave');
+    btnMatchmaking.disabled       = false;
+    btnMatchmakingCancel.disabled = true;
+    btnJoinDuel.disabled          = false;
+    matchmakingStatusEl.textContent = '';
+});
+
+socket.on('tetris:matchmaking-status', (data) => {
+    if (data.status === 'searching') {
+        matchmakingStatusEl.textContent = `Recherche… (${data.position} joueur(s) en attente)`;
+    } else if (data.status === 'idle') {
+        matchmakingStatusEl.textContent = '';
+        btnMatchmaking.disabled       = false;
+        btnMatchmakingCancel.disabled = true;
+        btnJoinDuel.disabled          = false;
+    }
+});
+
+socket.on('tetris:matched', (data) => {
+    matchmakingStatusEl.textContent = `Adversaire trouvé : ${data.opponent} !`;
+    matchmakingStatusEl.className   = 'ready';
+    btnMatchmaking.disabled       = false;
+    btnMatchmakingCancel.disabled = true;
+    btnJoinDuel.disabled          = false;
+
+    // Auto-rejoindre la salle générée
+    if (duel) { duel.leave(); }
+    duel = new Duel(socket, game, updateDuelStatus, startLocalGame);
+    duel.join(data.roomCode);
+    inputRoomCode.value     = data.roomCode;
+    btnJoinDuel.disabled    = true;
+    btnLeaveDuel.disabled   = false;
+    inputRoomCode.disabled  = true;
+    updateDuelStatus('waiting', null);
+});
+
 // ─────────────────────────────────────────────
 // INIT
 // ─────────────────────────────────────────────
@@ -109,10 +192,16 @@ const game = new Tetris(
     },
     // onGameOver
     (score, validBlock) => {
-        if (duel) duel.onLocalGameOver(score, validBlock);
+        const isDuel = duel && duel.isReady;
+        if (isDuel) {
+            duel.onLocalGameOver(score, validBlock);
+        } else {
+            saveTetrisScore(score);
+        }
         render();
         updateButtons();
         showOverlay('GAME OVER', score);
+        loadLeaderboards();
     },
     // onBlockPlaced — relay duel
     (grid) => {
@@ -168,13 +257,100 @@ inputTTD.addEventListener('change',       applySettings);
 inputHardening.addEventListener('change', applySettings);
 inputDecrement.addEventListener('change', applySettings);
 
-btnRestart.addEventListener('click', () => {
-    if (duel && duel.isReady) {
-        // In duel mode, we don't restart from client side - let server handle it
-        return;
-    } else {
+const btnRestart = document.getElementById('btn-restart');
+if (btnRestart) {
+    btnRestart.addEventListener('click', () => {
+        if (duel && duel.isReady) return;
         game.restart();
         updateButtons();
         render();
+    });
+}
+
+// ─────────────────────────────────────────────
+// LEADERBOARDS
+// ─────────────────────────────────────────────
+
+async function loadLeaderboards() {
+    const token = localStorage.getItem('auth_token');
+    if (!token) return;
+
+    const headers = { 'Authorization': `Bearer ${token}` };
+
+    try {
+        const [scoresRes, winsRes, meRes, rankScoreRes, rankWinsRes] = await Promise.all([
+            fetch('/api/stats/tetris/leaderboard/score', { headers }),
+            fetch('/api/stats/tetris/leaderboard/wins',  { headers }),
+            fetch('/api/stats/me',                       { headers }),
+            fetch('/api/stats/tetris/rank/score',        { headers }),
+            fetch('/api/stats/tetris/rank/wins',         { headers })
+        ]);
+
+        const me         = meRes.ok         ? await meRes.json()         : null;
+        const rankScore  = rankScoreRes.ok  ? (await rankScoreRes.json()).rank  : null;
+        const rankWins   = rankWinsRes.ok   ? (await rankWinsRes.json()).rank   : null;
+
+        if (scoresRes.ok) {
+            const scores = await scoresRes.json();
+            renderLeaderboard('lb-scores-body', scores, ['tetris_best_score', 'tetris_games_played'], me, rankScore);
         }
+
+        if (winsRes.ok) {
+            const wins = await winsRes.json();
+            renderLeaderboard('lb-wins-body', wins, ['tetris_wins', 'tetris_games_played'], me, rankWins);
+        }
+    } catch (err) {
+        console.error('Erreur chargement leaderboards:', err);
+    }
+}
+
+function renderLeaderboard(tbodyId, rows, [col1, col2], me, myRank) {
+    const tbody = document.getElementById(tbodyId);
+    if (!tbody) return;
+    if (!rows.length && !me) {
+        tbody.innerHTML = '<tr><td colspan="4">Aucun résultat</td></tr>';
+        return;
+    }
+
+    const myUsername = me?.username;
+    const inTop = rows.some(r => r.username === myUsername);
+
+    let html = rows.map((r, i) => {
+        const isMe = r.username === myUsername;
+        return `<tr class="${isMe ? 'lb-me' : ''}">
+            <td>${i + 1}</td>
+            <td>${escapeHtml(r.username)}${isMe ? ' <span class="lb-you">(vous)</span>' : ''}</td>
+            <td>${r[col1] ?? 0}</td>
+            <td>${r[col2] ?? 0}</td>
+        </tr>`;
+    }).join('');
+
+    if (!inTop && me && myRank !== null) {
+        html += `<tr class="lb-separator"><td colspan="4">· · ·</td></tr>`;
+        html += `<tr class="lb-me">
+            <td>${myRank}</td>
+            <td>${escapeHtml(myUsername)} <span class="lb-you">(vous)</span></td>
+            <td>${me[col1] ?? 0}</td>
+            <td>${me[col2] ?? 0}</td>
+        </tr>`;
+    }
+
+    tbody.innerHTML = html || '<tr><td colspan="4">Aucun résultat</td></tr>';
+}
+
+function escapeHtml(str) {
+    return String(str).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
+}
+
+// Tabs leaderboard
+document.querySelectorAll('.lb-tab').forEach(tab => {
+    tab.addEventListener('click', () => {
+        document.querySelectorAll('.lb-tab').forEach(t => t.classList.remove('lb-tab--active'));
+        document.querySelectorAll('.lb-content').forEach(c => c.classList.remove('lb-content--active'));
+        tab.classList.add('lb-tab--active');
+        document.getElementById(`lb-${tab.dataset.tab}`).classList.add('lb-content--active');
+    });
 });
+
+// Chargement initial des leaderboards
+loadLeaderboards();