// Audio Context for Sound Effects
let audioCtx = null;
let soundEnabled = false;
let ws = null; // WebSocket connection

// Authentication State
let currentUser = null;
let sessionId = null;
let accessLevel = null;
const ACTIVE_SESSIONS = new Map();

// API Configuration
const API_BASE = 'http://localhost:3000/api';

document.addEventListener('DOMContentLoaded', () => {
    
    // Initialize Audio on first interaction (browser policy)
    document.body.addEventListener('click', initAudio, { once: true });
    document.getElementById('btn-sound').addEventListener('click', toggleSound);

    // Setup Login Form
    setupAuthentication();

    // Terminal Setup
    setupTerminal();
    setupAIChat();

    // Feather Icons re-render
    if (typeof feather !== 'undefined') {
        feather.replace();
    }
});

// Authentication System
function setupAuthentication() {
    const loginForm = document.getElementById('login-form');
    if (loginForm) {
        loginForm.addEventListener('submit', async (e) => {
            e.preventDefault();
            const user = document.getElementById('login-user').value;
            const pass = document.getElementById('login-pass').value;
            
            await authenticateUser(user, pass);
        });
    }
}

function checkAuthentication() {
    const session = localStorage.getItem('cybershield_session');
    if (session) {
        const sessionData = JSON.parse(session);
        if (sessionData.expiry > Date.now()) {
            restoreSession(sessionData);
        } else {
            localStorage.removeItem('cybershield_session');
            showLoginModal();
        }
    } else {
        showLoginModal();
    }
}

function showLoginModal() {
    document.getElementById('login-modal').classList.remove('hidden');
    document.getElementById('main-container').classList.add('blur-sm');
}

function hideLoginModal() {
    document.getElementById('login-modal').classList.add('hidden');
    document.getElementById('main-container').classList.remove('blur-sm');
    document.getElementById('main-container').classList.add('pt-8');
}

async function authenticateUser(username, password) {
    // Simulation d'authentification (en production: appel API sécurisé)
    if (username.startsWith('ADMIN_') && password.length >= 8) {
        currentUser = username;
        sessionId = 'AUTH-' + Date.now() + '-' + Math.random().toString(36).substr(2, 9);
        accessLevel = 'ADMIN_T3';
        
        // Store session
        const sessionData = {
            user: currentUser,
            sessionId: sessionId,
            level: accessLevel,
            expiry: Date.now() + (8 * 60 * 60 * 1000) // 8 heures
        };
        localStorage.setItem('cybershield_session', JSON.stringify(sessionData));
        
        // Update UI
        document.getElementById('current-user').textContent = currentUser;
        document.getElementById('session-id').textContent = sessionId;
        document.getElementById('session-bar').classList.remove('hidden');
        
        hideLoginModal();
        
        // Log access
        addLogEntry(`Authentification réussie: ${username} (Niveau ${accessLevel})`, 'success', 'AUTH');
        
        // Initialize Systems after auth
        initializeSystems();
        
        // Start access monitoring
        startAccessMonitoring();
        startEgressMonitoring();
        startIngressMonitoring();
        
        playBeep(800, 'sine', 0.2);
        return true;
    } else {
        addLogEntry(`Tentative d'authentification échouée: ${username}`, 'error', 'AUTH');
        alert('Identifiants invalides. Format requis: ADMIN_xxxx');
        return false;
    }
}

function restoreSession(sessionData) {
    currentUser = sessionData.user;
    sessionId = sessionData.sessionId;
    accessLevel = sessionData.level;
    
    document.getElementById('current-user').textContent = currentUser;
    document.getElementById('session-id').textContent = sessionId;
    document.getElementById('session-bar').classList.remove('hidden');
    document.getElementById('main-container').classList.add('pt-8');
    
    initializeSystems();
    startAccessMonitoring();
    startEgressMonitoring();
    startIngressMonitoring();
}

function logout() {
    if (confirm('Confirmer la déconnexion ?')) {
        localStorage.removeItem('cybershield_session');
        addLogEntry(`Déconnexion: ${currentUser}`, 'info', 'AUTH');
        location.reload();
    }
}

function forceLogoutAll() {
    if (confirm('ÊTES-VOUS SÛR ? Cette action déconnectera tous les utilisateurs actifs.')) {
        broadcastAlertToServer({
            type: 'FORCE_LOGOUT_ALL',
            severity: 'CRITICAL',
            description: 'Déconnexion forcée de toutes les sessions par administrateur',
            timestamp: new Date().toISOString()
        });
        addLogEntry('Déconnexion forcée de toutes les sessions', 'error', 'AUTH');
    }
}

function initializeSystems() {
    // Initialize UI
    initLiveChart();
    initMap();
    
    // Connect WebSocket for real-time alerts
    connectWebSocket();
    
    // Start Real-time Data Fetching from Backend
    fetchStats();
    setInterval(fetchStats, 1000);
    startVulnStream();
    startInfraStream();
    startMapStream();
    initCognitiveEngine();
    startCognitiveStream();
    startLogStream();
    
    // Initialize USB monitoring simulation
    simulateUSBMonitoring();
}

// Access Control Monitoring
function startAccessMonitoring() {
    // Simulate active sessions monitoring
    updateSessionsTable();
    setInterval(updateSessionsTable, 5000);
    
    // Simulate file access monitoring
    simulateFileAccessMonitoring();
}

function updateSessionsTable() {
    const tbody = document.getElementById('sessions-table');
    if (!tbody) return;
    
    const sessions = [
        { user: currentUser, ip: '192.168.1.100', time: new Date().toLocaleTimeString(), level: 'ADMIN_T3', status: 'Active' },
        { user: 'AGENT_4521', ip: '192.168.1.45', time: '09:15:32', level: 'OPERATOR', status: 'Active' },
        { user: 'TECH_8842', ip: '10.0.0.15', time: '08:30:12', level: 'TECHNICIAN', status: 'Idle' }
    ];
    
    tbody.innerHTML = sessions.map(s => `
        <tr class="hover:bg-gray-800/30 transition">
            <td class="px-6 py-3 font-mono text-white">${s.user}</td>
            <td class="px-6 py-3 font-mono text-cyber-primary">${s.ip}</td>
            <td class="px-6 py-3 text-gray-400">${s.time}</td>
            <td class="px-6 py-3"><span class="text-xs ${s.level === 'ADMIN_T3' ? 'text-red-400' : 'text-yellow-400'} border border-gray-700 px-2 py-1 rounded">${s.level}</span></td>
            <td class="px-6 py-3"><span class="text-xs ${s.status === 'Active' ? 'text-green-400' : 'text-gray-500'} flex items-center"><span class="w-2 h-2 ${s.status === 'Active' ? 'bg-green-400 animate-pulse' : 'bg-gray-500'} rounded-full mr-2"></span>${s.status}</span></td>
            <td class="px-6 py-3">
                ${s.user !== currentUser ? `<button onclick="terminateSession('${s.user}')" class="text-red-400 hover:text-red-300 text-xs border border-red-500/30 px-2 py-1 rounded hover:bg-red-500/20">Terminer</button>` : '<span class="text-xs text-gray-600">Current</span>'}
            </td>
        </tr>
    `).join('');
    
    document.getElementById('active-sessions').textContent = sessions.length;
    document.getElementById('admin-sessions').textContent = sessions.filter(s => s.level === 'ADMIN_T3').length;
}

function terminateSession(username) {
    addLogEntry(`Session terminée: ${username}`, 'warning', 'AUTH');
    updateSessionsTable();
}

// USB Device Monitoring
function simulateUSBMonitoring() {
    const usbDevices = [
        { name: 'SanDisk Cruzer 32GB', vid: '0781', pid: '5567', status: 'blocked', type: 'storage' },
        { name: 'Logitech Mouse', vid: '046d', pid: 'c52b', status: 'allowed', type: 'hid' },
        { name: 'Unknown Device', vid: '1234', pid: '5678', status: 'pending', type: 'unknown' }
    ];
    
    const container = document.getElementById('usb-monitor');
    if (!container) return;
    
    container.innerHTML = usbDevices.map(dev => `
        <div class="p-3 bg-gray-900 rounded border ${dev.status === 'blocked' ? 'border-red-500/50 bg-red-900/10' : (dev.status === 'pending' ? 'border-yellow-500/50' : 'border-green-500/30')} flex justify-between items-center animate-fade-in">
            <div class="flex items-center">
                <i data-feather="usb" class="w-4 h-4 ${dev.status === 'blocked' ? 'text-red-400' : (dev.status === 'pending' ? 'text-yellow-400' : 'text-green-400')} mr-2"></i>
                <div>
                    <div class="text-sm text-gray-300">${dev.name}</div>
                    <div class="text-[10px] text-gray-500">VID:${dev.vid} PID:${dev.pid} | ${dev.type}</div>
                </div>
            </div>
            <div class="flex items-center space-x-2">
                <span class="text-xs ${dev.status === 'blocked' ? 'text-red-400' : (dev.status === 'pending' ? 'text-yellow-400' : 'text-green-400')} uppercase">${dev.status}</span>
                ${dev.status === 'pending' ? `
                    <button onclick="authorizeUSB('${dev.vid}', '${dev.pid}')" class="text-green-400 hover:text-green-300 text-xs border border-green-500/30 px-2 py-1 rounded">Autoriser</button>
                    <button onclick="blockUSB('${dev.vid}', '${dev.pid}')" class="text-red-400 hover:text-red-300 text-xs border border-red-500/30 px-2 py-1 rounded">Bloquer</button>
                ` : ''}
            </div>
        </div>
    `).join('');
    
    if (typeof feather !== 'undefined') feather.replace();
}

function authorizeUSB(vid, pid) {
    addLogEntry(`USB Autorisé: VID:${vid} PID:${pid}`, 'success', 'USB');
    simulateUSBMonitoring();
}

function blockUSB(vid, pid) {
    addLogEntry(`USB Bloqué: VID:${vid} PID:${pid}`, 'error', 'USB');
    simulateUSBMonitoring();
}

function authorizeAllUSB() {
    addLogEntry('Tous les périphériques USB autorisés', 'warning', 'USB');
    simulateUSBMonitoring();
}

function blockAllUSB() {
    addLogEntry('Tous les périphériques USB bloqués', 'error', 'USB');
    simulateUSBMonitoring();
}

// File Access Monitoring
function simulateFileAccessMonitoring() {
    const sensitiveFiles = [
        { file: '/secure/taj/TAJ_2024.db', user: 'AGENT_4521', action: 'READ', time: new Date().toLocaleTimeString() },
        { file: '/secure/dgfip/FICoba_National.db', user: 'ADMIN_SYS', action: 'READ', time: new Date().toLocaleTimeString() },
        { file: '/secure/fpr/FPR_Access.log', user: 'SYSTEM', action: 'WRITE', time: new Date().toLocaleTimeString() }
    ];
    
    const container = document.getElementById('file-access-log');
    if (!container) return;
    
    container.innerHTML = sensitiveFiles.map(f => `
        <div class="flex justify-between items-center p-2 bg-gray-900/50 rounded border-l-2 ${f.action === 'WRITE' ? 'border-red-500' : 'border-cyber-primary'} mb-1">
            <div class="flex items-center space-x-2">
                <i data-feather="file" class="w-3 h-3 text-gray-400"></i>
                <span class="text-gray-300">${f.file.split('/').pop()}</span>
                <span class="text-[10px] text-gray-500">${f.user}</span>
            </div>
            <span class="text-[10px] ${f.action === 'WRITE' ? 'text-red-400' : 'text-cyber-primary'} border border-gray-700 px-1 rounded">${f.action}</span>
        </div>
    `).join('');
}

// Ingress Monitoring (what enters)
function startIngressMonitoring() {
    const container = document.getElementById('ingress-logs');
    if (!container) return;
    
    const ingressEvents = [
        { type: 'CONNECTION', src: '185.220.101.42:4444', dst: '192.168.1.100:443', status: 'BLOCKED', proto: 'TCP' },
        { type: 'DOWNLOAD', file: 'update.exe', size: '2.4MB', status: 'SCANNING', user: 'AGENT_4521' },
        { type: 'EMAIL', from: 'suspect@phishing.ru', to: 'admin@interieur.fr', status: 'QUARANTINED', subject: 'Urgent: Mise à jour' },
        { type: 'AUTH', user: 'TECH_8842', src: '10.0.0.15', status: 'SUCCESS', method: 'RSA-Key' }
    ];
    
    setInterval(() => {
        const evt = ingressEvents[Math.floor(Math.random() * ingressEvents.length)];
        const time = new Date().toLocaleTimeString();
        
        let colorClass = 'text-gray-400';
        let statusColor = 'text-gray-500';
        
        if (evt.status === 'BLOCKED' || evt.status === 'QUARANTINED') {
            colorClass = 'text-red-400';
            statusColor = 'text-red-400';
        } else if (evt.status === 'SUCCESS') {
            colorClass = 'text-green-400';
            statusColor = 'text-green-400';
        } else if (evt.status === 'SCANNING') {
            colorClass = 'text-yellow-400';
            statusColor = 'text-yellow-400';
        }
        
        const line = document.createElement('div');
        line.className = `font-mono text-xs ${colorClass} border-l-2 ${evt.status === 'BLOCKED' ? 'border-red-500 bg-red-900/10' : 'border-gray-700'} pl-2 py-1`;
        line.innerHTML = `
            <span class="text-gray-600">[${time}]</span>
            <span class="uppercase font-bold ml-1">${evt.type}</span>
            <span class="ml-2">${evt.src || evt.file || evt.from} → ${evt.dst || evt.user || evt.to}</span>
            <span class="${statusColor} ml-2 border border-gray-700 px-1 rounded text-[10px]">${evt.status}</span>
        `;
        
        container.prepend(line);
        if (container.children.length > 50) container.lastChild.remove();
        
        if (evt.status === 'BLOCKED' || evt.status === 'QUARANTINED') {
            addLogEntry(`Ingress bloqué: ${evt.type} depuis ${evt.src || evt.from}`, 'error', 'INGRESS');
        }
    }, 3000);
}

// Egress Monitoring (what exits - Data Exfiltration Prevention)
function startEgressMonitoring() {
    let totalVolume = 0;
    
    setInterval(() => {
        // Simulate egress traffic
        const volume = Math.random() * 50; // MB
        totalVolume += volume;
        
        const isBlocked = Math.random() > 0.8;
        const isSuspicious = Math.random() > 0.7;
        
        const blockedEl = document.getElementById('blocked-files');
        const suspectEl = document.getElementById('suspect-conn');
        const volumeEl = document.getElementById('egress-volume');
        const rateEl = document.getElementById('egress-rate');
        
        if (blockedEl && isBlocked) {
            blockedEl.textContent = parseInt(blockedEl.textContent || 0) + 1;
            addEgressAlert('Tentative d\'exfiltration bloquée', 'Fichier TAJ détecté dans flux sortant', 'CRITICAL');
        }
        
        if (suspectEl && isSuspicious) {
            suspectEl.textContent = parseInt(suspectEl.textContent || 0) + 1;
            addEgressAlert('Connexion sortante suspecte', 'DNS tunneling détecté vers 185.220.101.42', 'HIGH');
        }
        
        // Update stats
        if (volumeEl) volumeEl.textContent = totalVolume.toFixed(1) + ' MB';
        if (rateEl) rateEl.textContent = '+' + volume.toFixed(1) + ' MB/s';
        
        // Update analysis
        updateEgressAnalysis();
    }, 2000);
}

function addEgressAlert(title, detail, severity) {
    const container = document.getElementById('egress-alerts-log');
    const alertsEl = document.getElementById('egress-alerts');
    if (!container || !alertsEl) return;
    
    const alerts = parseInt(alertsEl.textContent || 0);
    alertsEl.textContent = alerts + 1;
    
    const line = document.createElement('div');
    line.className = `p-2 rounded border-l-2 ${severity === 'CRITICAL' ? 'border-red-500 bg-red-900/20' : 'border-yellow-500 bg-yellow-900/10'} animate-fade-in`;
    line.innerHTML = `
        <div class="flex justify-between items-start">
            <div>
                <div class="text-sm font-bold ${severity === 'CRITICAL' ? 'text-red-400' : 'text-yellow-400'}">${title}</div>
                <div class="text-xs text-gray-400">${detail}</div>
            </div>
            <span class="text-[10px] text-gray-500">${new Date().toLocaleTimeString()}</span>
        </div>
    `;
    
    container.prepend(line);
    if (container.children.length > 20) container.lastChild.remove();
    
    // Global alert
    if (severity === 'CRITICAL') {
        addLogEntry(`EGRESS ALERT: ${title} - ${detail}`, 'error', 'DLP');
        playAlertSound();
    }
}

function updateEgressAnalysis() {
    const container = document.getElementById('egress-analysis');
    if (!container) return;
    
    const processes = [
        { name: 'chrome.exe', status: 'Autorisé', width: 15, color: 'bg-green-500', dest: 'google.com', size: '1.2 MB' },
        { name: 'outlook.exe', status: 'Limité', width: 45, color: 'bg-yellow-500', dest: 'smtp.office365.com', size: '8.4 MB' },
        { name: 'svchost.exe', status: 'Surveillance', width: 30, color: 'bg-orange-500', dest: 'windowsupdate.com', size: '2.1 MB' },
        { name: 'unknown_process', status: 'Bloqué', width: 0, color: 'bg-red-500', dest: 'BLOCKED', size: '0 MB' }
    ];
    
    container.innerHTML = processes.map(p => `
        <div class="p-3 bg-gray-900 rounded border border-gray-700">
            <div class="flex justify-between mb-2">
                <span class="text-sm text-gray-300">${p.name}</span>
                <span class="text-xs ${p.status === 'Bloqué' ? 'text-red-400' : (p.status === 'Limité' ? 'text-yellow-400' : 'text-green-400')}">${p.status}</span>
            </div>
            <div class="w-full bg-gray-800 rounded-full h-2">
                <div class="${p.color} h-2 rounded-full transition-all duration-1000" style="width: ${p.width}%"></div>
            </div>
            <div class="flex justify-between text-xs text-gray-500 mt-1">
                <span>${p.dest}</span>
                <span>${p.size}</span>
            </div>
        </div>
    `).join('');
}

function enableStrictMode() {
    if (confirm('Activer le mode STRICT ? Tous les flux sortants non essentiels seront bloqués.')) {
        addLogEntry('MODE STRICT activé - Egress filtering renforcé', 'error', 'DLP');
        addEgressAlert('Mode Strict Activé', 'Tous les transferts > 1Mo nécessitent autorisation', 'INFO');
    }
}

function clearEgressAlerts() {
    const alertsEl = document.getElementById('egress-alerts');
    if (alertsEl) alertsEl.textContent = '0';
    const container = document.getElementById('egress-alerts-log');
    if (container) container.innerHTML = '';
}

function refreshAccessLogs() {
    addLogEntry('Rafraîchissement des logs d\'accès...', 'info', 'AUTH');
    updateSessionsTable();
    simulateFileAccessMonitoring();
    simulateUSBMonitoring();
}

// WebSocket Connection for Critical Alerts
function connectWebSocket() {
    const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
    const wsUrl = `${protocol}//${window.location.hostname}:3000`;
    
    console.log('🔌 Connexion WebSocket:', wsUrl);
    
    ws = new WebSocket(wsUrl);
    
    ws.onopen = () => {
        console.log('🔌 Connecté au SOC temps réel');
        updateSystemStatus('online');
    };
    
    ws.onmessage = (event) => {
        const data = JSON.parse(event.data);
        handleRealtimeAlert(data);
    };
    
    ws.onerror = (error) => {
        console.error('WebSocket erreur:', error);
        updateSystemStatus('error');
    };
    
    ws.onclose = () => {
        console.log('Déconnecté - Reconnexion dans 5s...');
        updateSystemStatus('offline');
        setTimeout(connectWebSocket, 5000);
    };
}

function handleRealtimeAlert(data) {
    // Vérifier que data existe
    if (!data) return;
    
    // Jouer son d'alerte si critique
    if (data.severity === 'CRITICAL' || data.severity === 'HIGH') {
        playAlertSound();
        showToastAlert(data);
        // Notification urgente pour administration
        if (data.type && (data.type.includes('EXFILTRATION') || data.type.includes('EMAIL') || data.type.includes('SENSITIVE'))) {
            showEmergencyAlert(data);
        }
    }
    
    // Mettre à jour l'interface selon le type avec vérifications null
    switch(data.type) {
        case 'SUSPICIOUS_CONNECTION':
            if (data.data && data.data.peer) {
                addLogEntry(`Connexion suspecte: ${data.data.peer}:${data.data.peerPort || 'N/A'}`, 'error', data.data.peer);
            }
            break;
        case 'BRUTE_FORCE_DETECTED':
            const count = data.count || 0;
            const ip = (data.ips && data.ips.length > 0) ? data.ips[0] : 'UNKNOWN';
            addLogEntry(`Brute Force (${count} tentatives)`, 'error', ip);
            incrementThreatCounter(count);
            break;
        case 'IP_BLOCKED':
            addLogEntry(`IP bloquée: ${data.ip || 'UNKNOWN'}`, 'success', 'SYSTEM');
            break;
        case 'PROCESS_ALERT':
            if (data.data && data.data.length > 0 && data.data[0].name) {
                addLogEntry(`Processus suspect: ${data.data[0].name}`, 'warning', 'LOCAL');
            }
            break;
        // NOUVEAUX: Alertes spécifiques administration française
        case 'DATA_EXFILTRATION_DETECTED':
            addLogEntry(`🚨 EXFILTRATION: ${data.description || 'Données sensibles'}`, 'error', 'TAJ/FPR');
            incrementThreatCounter(10);
            break;
        case 'EMAIL_COMPROMISE':
            if (data.data) {
                const user = data.data.user || 'UNKNOWN';
                const country = data.data.country || 'UNKNOWN';
                const ip = data.data.ip || 'UNKNOWN';
                addLogEntry(`📧 MESSAGERIE COMPROMISE: ${user} depuis ${country}`, 'error', ip);
            }
            break;
        case 'SENSITIVE_FILE_ACCESS':
            if (data.data) {
                const isBanking = data.data.type === 'FINANCES';
                const prefix = isBanking ? '🏦 FICoba/DGFiP:' : '🔒';
                const file = data.data.file || 'UNKNOWN';
                const volume = data.data.volume || 'N/A';
                addLogEntry(`${prefix} ACCÈS ${file} (${volume})`, 'error', data.data.type || 'SYSTEM');
                if (isBanking) {
                    const records = data.data.records || 'N/A';
                    showEmergencyAlert({
                        type: 'FICOBa_BREACH_ATTEMPT',
                        severity: 'CRITICAL',
                        description: `Tentative d'accès au fichier des comptes bancaires: ${file}. ${records} comptes potentiellement concernés.`,
                        timestamp: data.timestamp || new Date().toISOString()
                    });
                }
            }
            break;
        case 'CREDENTIAL_STOLEN':
            if (data.data) {
                const user = data.data.user || 'UNKNOWN';
                const source = data.data.source || 'UNKNOWN';
                addLogEntry(`🔑 CODE ACCÈS VOLÉ: ${user} via ${source}`, 'warning', 'AUTH');
            }
            break;
        case 'USB_DETECTED':
            if (data.device) {
                addLogEntry(`USB Détecté: ${data.device.model || 'Unknown'}`, 'info', 'USB');
            }
            break;
        case 'USB_BLOCKED':
            if (data.device) {
                addLogEntry(`USB Bloqué: ${data.device.model || 'Unknown'}`, 'error', 'USB');
            }
            break;
        case 'FILE_ACCESS':
        case 'FILE_MODIFIED':
        case 'SENSITIVE_FILE_CREATED':
            if (data.file) {
                addLogEntry(`Fichier: ${data.type} - ${data.file}`, data.severity === 'CRITICAL' ? 'error' : 'warning', 'FS');
            }
            break;
    }
}

// NOUVEAU: Alerte d'urgence en plein écran pour incidents critiques
function showEmergencyAlert(data) {
    if (!data) return;
    
    const existing = document.getElementById('emergency-alert');
    if (existing) existing.remove();
    
    const alertType = data.type || 'UNKNOWN_ALERT';
    const description = data.description || 'Menace détectée sur infrastructure sensible';
    
    const alert = document.createElement('div');
    alert.id = 'emergency-alert';
    alert.className = 'fixed inset-0 bg-red-900/90 z-[100] flex items-center justify-center backdrop-blur-sm animate-fade-in';
    alert.innerHTML = `
        <div class="bg-black border-2 border-red-500 rounded-xl p-8 max-w-2xl shadow-[0_0_50px_rgba(239,68,68,0.5)]">
            <div class="flex items-center mb-4">
                <i data-feather="alert-octagon" class="w-12 h-12 text-red-500 mr-4 animate-pulse"></i>
                <div>
                    <h2 class="text-2xl font-bold text-red-500 uppercase">Alerte Critique Administration</h2>
                    <p class="text-red-300 font-mono">${new Date().toLocaleTimeString('fr-FR')}</p>
                </div>
            </div>
            <div class="bg-red-950/50 p-4 rounded border border-red-500/30 mb-6">
                <p class="text-white text-lg font-bold mb-2">${alertType.replace(/_/g, ' ')}</p>
                <p class="text-gray-300">${description}</p>
            </div>
            <div class="flex space-x-4">
                <button onclick="this.closest('#emergency-alert').remove()" class="flex-1 bg-red-600 hover:bg-red-700 text-white py-3 rounded font-bold transition">
                    Acquitter l'alerte
                </button>
                <button onclick="isolateSystem(); this.closest('#emergency-alert').remove()" class="flex-1 bg-gray-800 hover:bg-gray-700 border border-red-500 text-red-400 py-3 rounded font-bold transition">
                    Isoler le Système
                </button>
            </div>
        </div>
    `;
    document.body.appendChild(alert);
    if (typeof feather !== 'undefined') feather.replace();
}

// NOUVEAU: Fonctions de réponse aux incidents
async function blockIP(ip) {
    try {
        const response = await fetch('http://localhost:3000/api/block-ip', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({ ip: ip, reason: 'Attaque administration française' })
        });
        const data = await response.json();
        addLogEntry(`IP ${ip} bloquée définitivement`, 'success', 'FIREWALL');
    } catch (e) {
        addLogEntry(`Échec blocage IP ${ip}`, 'error', 'SYSTEM');
    }
}

function isolateSystem() {
    addLogEntry('🔒 ISOLEMENT DU SYSTÈME ENGAGÉ', 'error', 'ADMIN');
    showToastAlert({
        type: 'SYSTEM_ISOLATION',
        severity: 'CRITICAL',
        description: 'Réseau segmenté, accès externes coupés',
        timestamp: new Date().toISOString()
    });
}

function revokeCredentials() {
    addLogEntry('🔑 RÉVOCATION MASSIVE DES ACCÈS', 'warning', 'ADMIN');
    alert('Tous les tokens de session ont été révoqués. Reconnexion requise pour tous les agents.');
}

function exportReport() {
    const report = {
        date: new Date().toISOString(),
        administration: 'Ministère de l\'Intérieur (Simulation)',
        incidents: [], // Récupérer depuis les logs visibles si besoin
        status: 'Rapport généré par CyberShield SOC'
    };
    console.log('Rapport exporté:', report);
    addLogEntry('📄 Rapport d\'incident exporté', 'info', 'REPORT');
    alert('Rapport d\'incident exporté vers le SI-Central');
}

function showToastAlert(data) {
    if (!data) return;
    
    // Créer une notification toast pour alertes critiques
    const toast = document.createElement('div');
    toast.className = 'fixed top-4 right-4 bg-red-600 text-white px-6 py-4 rounded-lg shadow-2xl z-50 animate-slide-in border-l-4 border-red-300 flex items-center';
    toast.style.animation = 'slideInRight 0.3s ease-out';
    toast.innerHTML = `
        <i data-feather="alert-triangle" class="mr-3"></i>
        <div>
            <div class="font-bold text-sm uppercase">${data.type || 'ALERTE'}</div>
            <div class="text-xs opacity-90">${data.timestamp ? new Date(data.timestamp).toLocaleTimeString('fr-FR') : new Date().toLocaleTimeString('fr-FR')}</div>
        </div>
    `;
    document.body.appendChild(toast);
    if (typeof feather !== 'undefined') feather.replace();
    
    setTimeout(() => {
        toast.remove();
    }, 5000);
}

function updateSystemStatus(status) {
    const statusEl = document.getElementById('status-text');
    if (!statusEl) return;
    
    const indicator = statusEl.parentElement.nextElementSibling;
    
    if (status === 'online') {
        statusEl.innerText = 'Connecté - Temps Réel (PROD)';
        statusEl.className = 'text-green-400 font-mono font-bold';
        if (indicator) indicator.className = 'w-2 h-2 bg-green-400 rounded-full animate-pulse';
    } else if (status === 'error') {
        statusEl.innerText = 'Erreur Connexion';
        statusEl.className = 'text-red-400 font-mono';
        if (indicator) indicator.className = 'w-2 h-2 bg-red-500 rounded-full';
    } else {
        statusEl.innerText = 'Hors ligne';
        statusEl.className = 'text-gray-400 font-mono';
        if (indicator) indicator.className = 'w-2 h-2 bg-gray-500 rounded-full';
    }
}

function incrementThreatCounter(count = 1) {
    // Trouve le compteur spécifique des menaces (premier counter)
    const counter = document.querySelector('.counter[data-target]') || document.querySelector('.counter');
    if (counter) {
        let current = parseInt(counter.innerText.replace(/,/g, '')) || 0;
        current += count;
        counter.innerText = current.toLocaleString();
    }
}

// --- Sound Manager ---
function initAudio() {
    if (!audioCtx) {
        audioCtx = new (window.AudioContext || window.webkitAudioContext)();
    }
}

function toggleSound() {
    soundEnabled = !soundEnabled;
    const btn = document.getElementById('btn-sound');
    const icon = btn.querySelector('i');
    
    if (soundEnabled) {
        icon.setAttribute('data-feather', 'volume-2');
        icon.classList.replace('text-gray-400', 'text-cyber-primary');
        playBeep(600, 'sine', 0.1); // Confirmation beep
    } else {
        icon.setAttribute('data-feather', 'volume-x');
        icon.classList.replace('text-cyber-primary', 'text-gray-400');
    }
    feather.replace();
}

function playAlertSound() {
    if (!soundEnabled || !audioCtx) return;
    
    const osc = audioCtx.createOscillator();
    const gain = audioCtx.createGain();
    
    osc.type = 'sawtooth';
    osc.frequency.setValueAtTime(440, audioCtx.currentTime);
    osc.frequency.exponentialRampToValueAtTime(880, audioCtx.currentTime + 0.1);
    
    gain.gain.setValueAtTime(0.1, audioCtx.currentTime);
    gain.gain.exponentialRampToValueAtTime(0.01, audioCtx.currentTime + 0.3);
    
    osc.connect(gain);
    gain.connect(audioCtx.destination);
    osc.start();
    osc.stop(audioCtx.currentTime + 0.3);
}
// 0. Navigation Logic (SPA)
function navigateTo(viewId) {
    // Hide all views
    document.querySelectorAll('[id^="view-"]').forEach(el => el.classList.add('hidden'));
    // Show selected
    document.getElementById(`view-${viewId}`).classList.remove('hidden');
    
    // Reset Nav Styles
    document.querySelectorAll('.nav-link').forEach(el => {
        el.classList.remove('active', 'bg-gray-800/50', 'text-cyber-primary', 'border-gray-700');
        el.classList.add('text-gray-400');
    });
    
    // Set Active Nav
    const activeNav = document.getElementById(`nav-${viewId}`);
    if(activeNav) {
        activeNav.classList.add('active', 'bg-gray-800/50', 'text-cyber-primary', 'border-gray-700');
        activeNav.classList.remove('text-gray-400');
    }

    // Re-init icons
    feather.replace();
}
// 1. Real-time Chart Initialization avec données réseau réelles
let trafficHistory = [];

function initLiveChart() {
    const chartContainer = document.getElementById('liveChart');
    const barCount = 50;
    
    // Create initial bars
    for(let i = 0; i < barCount; i++) {
        const bar = document.createElement('div');
        bar.className = 'bg-cyber-primary w-1.5 rounded-t-sm opacity-60 transition-all duration-300 ease-in-out hover:opacity-100 hover:bg-white';
        bar.style.height = '10%';
        chartContainer.appendChild(bar);
        trafficHistory.push(10);
    }
}

function updateTrafficChart(currentTraffic) {
    const chartContainer = document.getElementById('liveChart');
    if (!chartContainer || chartContainer.children.length === 0) return;
    
    // Décaler l'historique
    trafficHistory.shift();
    trafficHistory.push(currentTraffic);
    
    // Mettre à jour les barres visuellement
    const bars = chartContainer.children;
    const maxTraffic = Math.max(...trafficHistory, 100); // Échelle dynamique
    
    for (let i = 0; i < bars.length; i++) {
        const percentage = (trafficHistory[i] / maxTraffic) * 100;
        bars[i].style.height = `${Math.max(percentage, 5)}%`;
        
        // Coloration selon l'intensité
        if (percentage > 80) {
            bars[i].className = 'bg-red-500 w-1.5 rounded-t-sm shadow-[0_0_10px_rgba(239,68,68,0.8)] transition-all duration-300';
        } else if (percentage > 50) {
            bars[i].className = 'bg-yellow-400 w-1.5 rounded-t-sm transition-all duration-300';
        } else {
            bars[i].className = 'bg-cyber-primary w-1.5 rounded-t-sm opacity-60 transition-all duration-300 ease-in-out hover:opacity-100 hover:bg-white';
        }
    }
}
// 2. Fetch Statistics from Backend API avec données réelles
let previousAlertCount = 0;

async function fetchStats() {
    try {
        const response = await fetch('http://localhost:3000/api/stats');
        if (!response.ok) throw new Error('Network response was not ok');
        const data = await response.json();
        
        // Vérifier nouvelles alertes critiques
        if (data.criticalAlerts > previousAlertCount) {
            playAlertSound();
            // Notification visuelle urgente
            document.querySelectorAll('.counter')[3].parentElement.parentElement.classList.add('pulse-alert');
            setTimeout(() => {
                document.querySelectorAll('.counter')[3].parentElement.parentElement.classList.remove('pulse-alert');
            }, 2000);
        }
        previousAlertCount = data.criticalAlerts;

        // Update Dashboard Data avec animation
        updateCounterAnimated(document.querySelector('.counter'), data.threatsBlocked);
        
        // Santé serveur avec couleur dynamique
        const healthEl = document.querySelectorAll('.counter')[1].nextElementSibling;
        healthEl.innerText = data.serverHealth + "%";
        if (data.serverHealth < 50) healthEl.className = 'text-3xl font-bold text-red-500 mt-2';
        else if (data.serverHealth < 80) healthEl.className = 'text-3xl font-bold text-yellow-400 mt-2';
        else healthEl.className = 'text-3xl font-bold text-cyber-secondary mt-2';
        
        // Trafic réseau
        document.querySelectorAll('.counter')[2].previousElementSibling.lastElementChild.innerText = data.networkTraffic + " MB/s";
        updateTrafficChart(data.networkTraffic);
        
        // Alertes avec formatage
        const alertEl = document.querySelectorAll('.counter')[3];
        alertEl.innerText = data.criticalAlerts.toString().padStart(2, '0');
        if (data.criticalAlerts > 0) {
            alertEl.classList.add('text-red-500');
        }

    } catch (error) {
        console.error('Erreur fetch stats:', error);
        updateSystemStatus('error');
    }
}

function updateCounterAnimated(element, targetValue) {
    if (!element) return;
    const current = parseInt(element.innerText.replace(/,/g, '')) || 0;
    if (current !== targetValue) {
        element.innerText = targetValue.toLocaleString();
        // Effet visuel de mise à jour
        element.style.transform = 'scale(1.1)';
        setTimeout(() => element.style.transform = 'scale(1)', 200);
    }
}
// 3. Gestion des logs temps réel
function addLogEntry(message, type, ip) {
    const container = document.getElementById('logContainer');
    if (!container) return;
    
    const logLine = document.createElement('div');
    logLine.className = 'log-entry flex justify-between border-b border-gray-900 pb-1 mb-1 animate-fade-in';
    
    let colorClass = 'text-gray-400';
    if(type === 'error') colorClass = 'text-red-400';
    if(type === 'success') colorClass = 'text-green-400';
    if(type === 'warning') colorClass = 'text-yellow-400';

    const time = new Date().toLocaleTimeString('fr-FR', { hour12: false });
    
    logLine.innerHTML = `
        <span class="${colorClass} font-mono text-xs">[${time}] ${message} (${ip || 'SYSTEM'})</span>
        <span class="text-gray-600 text-xs">${type.toUpperCase()}</span>
    `;
    
    container.prepend(logLine);
    
    // Garder seulement les 50 dernières entrées
    while(container.children.length > 50) {
        container.lastElementChild.remove();
    }
}

async function startLogStream() {
    // Récupération initiale puis via WebSocket principalement
    try {
        const response = await fetch('http://localhost:3000/api/log');
        const data = await response.json();
        addLogEntry(data.msg, data.type, data.ip);
    } catch (e) {
        addLogEntry('Initialisation du système de logs...', 'info', 'LOCAL');
    }
}
// Fallback to simulate data if user doesn't run the server
function simulateFallbackData() {
    // Just ensures the chart keeps moving if no server is present
    const chartContainer = document.getElementById('liveChart');
    if(!chartContainer.children.length) initLiveChart();
    
    const bars = chartContainer.children;
    for(let i = 0; i < bars.length - 1; i++) {
        bars[i].style.height = bars[i+1].style.height;
    }
    const lastBar = bars[bars.length - 1];
    const newHeight = Math.floor(Math.random() * 90) + 10;
    lastBar.style.height = `${newHeight}%`;
    
    if(newHeight > 80) {
        lastBar.className = 'bg-red-500 w-2 rounded-t-sm shadow-[0_0_10px_rgba(239,68,68,0.8)] transition-all duration-300';
    } else if (newHeight > 50) {
        lastBar.className = 'bg-yellow-400 w-2 rounded-t-sm transition-all duration-300';
    } else {
        lastBar.className = 'bg-cyber-primary w-2 rounded-t-sm opacity-50 transition-all duration-300';
    }
}

// --- NEW FEATURES: MAP, VULNS, INFRA ---
// 4. Threat Map Logic
function initMap() {
    // Clear existing svg lines if any
    const svg = document.getElementById('map-svg-layer');
    while (svg.lastChild) {
        svg.removeChild(svg.lastChild);
    }
}
async function startMapStream() {
    const container = document.getElementById('geo-log-container');
    const mapArea = document.getElementById('attack-map-container');
    
    if (!container || !mapArea) return;
    
    if (!document.getElementById('map-svg-layer')) {
        const svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
        svg.id = "map-svg-layer";
        svg.style.position = "absolute";
        svg.style.top = "0";
        svg.style.left = "0";
        svg.style.width = "100%";
        svg.style.height = "100%";
        svg.style.pointerEvents = "none";
        svg.style.zIndex = "5";
        mapArea.appendChild(svg);
    }
    const svg = document.getElementById('map-svg-layer');
    
    const fetchMapData = async () => {
        try {
            const response = await fetch('http://localhost:3000/api/geo');
            const data = await response.json();

            // Add Log avec badge pays
            const logLine = document.createElement('div');
            logLine.className = 'border-b border-gray-900 pb-1 text-xs font-mono animate-fade-in flex justify-between items-center';
            logLine.innerHTML = `
                <div>
                    <span class="bg-red-500/20 text-red-400 px-1 rounded text-[10px] mr-1">${data.country}</span>
                    <span class="text-gray-300">${data.type}</span>
                    <span class="text-gray-500">from ${data.ip}</span>
                </div>
                <span class="text-[10px] text-gray-600">${new Date(data.timestamp).toLocaleTimeString('fr-FR')}</span>
            `;
            container.prepend(logLine);
            if(container.children.length > 20) container.lastChild.remove();

            // Animation sur la carte
            const node = document.createElement('div');
            node.className = 'geo-node';
            const top = Math.random() * 80 + 10;
            const left = Math.random() * 80 + 10;
            
            node.style.top = `${top}%`;
            node.style.left = `${left}%`;
            mapArea.appendChild(node);

            const line = document.createElementNS("http://www.w3.org/2000/svg", "line");
            line.setAttribute("x1", `${left}%`);
            line.setAttribute("y1", `${top}%`);
            line.setAttribute("x2", "50%");
            line.setAttribute("y2", "50%");
            line.setAttribute("stroke", data.real ? "#ff0000" : "#00f0ff");
            line.setAttribute("stroke-width", "2");
            line.setAttribute("stroke-opacity", "0.8");
            line.setAttribute("stroke-dasharray", "5,5");
            
            const animate = document.createElementNS("http://www.w3.org/2000/svg", "animate");
            animate.setAttribute("attributeName", "stroke-dashoffset");
            animate.setAttribute("from", "100");
            animate.setAttribute("to", "0");
            animate.setAttribute("dur", "0.5s");
            animate.setAttribute("repeatCount", "1");
            
            line.appendChild(animate);
            svg.appendChild(line);

            // Impact visuel au centre (cible)
            const target = document.createElement('div');
            target.className = 'absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 w-4 h-4 bg-red-500 rounded-full animate-ping';
            mapArea.appendChild(target);

            setTimeout(() => {
                node.remove();
                line.remove();
                target.remove();
            }, 2000);

        } catch(e) { 
            console.error('Erreur carte:', e);
        }
    };
    
    // Plus fréquent si données réelles disponibles
    setInterval(fetchMapData, 2000);
}

// --- 7. Terminal Logic ---
function toggleAIChat() {
    const modal = document.getElementById('ai-chat-modal');
    
    if (modal.classList.contains('hidden')) {
        // Opening
        modal.classList.remove('hidden');
        // Small delay to allow CSS display property to apply before removing transform/opacity
        setTimeout(() => {
            modal.classList.remove('translate-y-4', 'opacity-0');
        }, 10);
        document.getElementById('ai-input').focus();
    } else {
        // Closing
        modal.classList.add('translate-y-4', 'opacity-0');
        // Wait for transition to finish before setting display: none
        setTimeout(() => {
            modal.classList.add('hidden');
        }, 300);
    }
}
function setupAIChat() {
    const input = document.getElementById('ai-input');
    input.addEventListener('keypress', function (e) {
        if (e.key === 'Enter') sendAIMessage();
    });
}

function sendAIMessage() {
    const input = document.getElementById('ai-input');
    const text = input.value.trim();
    if(!text) return;

    const history = document.getElementById('chat-history');
    
    // User Message
    const userMsg = `
        <div class="flex items-start justify-end">
            <div class="bg-cyber-primary/20 p-2 rounded-lg rounded-tr-none border border-cyber-primary/30 text-white max-w-[90%]">
                ${text}
            </div>
        </div>`;
    history.innerHTML += userMsg;

    input.value = '';
    history.scrollTop = history.scrollHeight;

    // AI Simulation Response
    setTimeout(() => {
        let response = "Analyse en cours...";
        const lowerText = text.toLowerCase();
        
        if(lowerText.includes("menace") || lowerText.includes("threat")) {
            response = "J'ai analysé les 30 dernières minutes. Une tentative d'intrusion de type 'Brute Force' a été détectée sur le port 22. Elle a été bloquée automatiquement.";
        } else if (lowerText.includes("serveur") || lowerText.includes("server")) {
            response = "Les serveurs、主 인프라 sont sains. L'utilisation du CPU est stable à 24%. Aucun goulot d'étranglement détecté.";
        } else if (lowerText.includes("optimiser") || lowerText.includes("optimize")) {
            response = "Recommandation: Activer le protocole de mise en cache avancées sur le noeud DB-01 pour réduire la latence de 15%.";
        } else {
            response = "Données non traitées. Voulez-vous que je lance une analyse approfondie du pare-feu ?";
        }

        const aiMsg = `
            <div class="flex items-start">
                <div class="bg-purple-900/30 p-2 rounded-lg rounded-tl-none border border-purple-500/30 text-gray-300 max-w-[90%]">
                    ${response}
                </div>
            </div>`;
        history.innerHTML += aiMsg;
        history.scrollTop = history.scrollHeight;
        feather.replace();
    }, 800);
}

function toggleTerminal() {
const modal = document.getElementById('terminal-modal');
    const input = document.getElementById('terminal-input');
    
    if (modal.classList.contains('hidden')) {
        modal.classList.remove('hidden');
        input.focus();
    } else {
        modal.classList.add('hidden');
    }
}

function setupTerminal() {
    const input = document.getElementById('terminal-input');
    const output = document.getElementById('terminal-output');
    
    input.addEventListener('keypress', function (e) {
        if (e.key === 'Enter') {
            const command = input.value.trim();
            if (command) {
                printToTerminal(`root@sys:~$ ${command}`);
                executeCommand(command);
            }
            input.value = '';
        }
    });
}

function printToTerminal(text, color = 'text-green-400') {
    const output = document.getElementById('terminal-output');
    const p = document.createElement('p');
    p.className = color + " font-mono";
    p.innerText = text;
    output.appendChild(p);
    output.scrollTop = output.scrollHeight;
}

async function executeCommand(cmd) {
    const output = document.getElementById('terminal-output');
    const args = cmd.split(' ');
    const command = args[0].toLowerCase();
    
    // Realistic SOC terminal commands
    switch(command) {
        case 'help':
        case '?':
            printToTerminal("CYBERSHIELD SOC v3.0 - Commandes disponibles:", "text-cyber-primary");
            printToTerminal("  netstat        - Affiche les connexions actives");
            printToTerminal("  ps             - Liste des processus suspects");
            printToTerminal("  kill [PID]     - Termine un processus");
            printToTerminal("  block [IP]     - Bloque une adresse IP au firewall");
            printToTerminal("  isolate        - Mode confinement d'urgence");
            printToTerminal("  scan [target]  - Scan de vulnérabilités rapide");
            printToTerminal("  clear          - Nettoie le terminal");
            printToTerminal("  status         - État des systèmes");
            break;
            
        case 'netstat':
            printToTerminal("Connexions réseau actives:", "text-yellow-400");
            setTimeout(() => {
                printToTerminal("tcp    ESTABLISHED 192.168.1.100:443   -> 185.220.101.42:4444 [SUSPECT]", "text-red-400");
                printToTerminal("tcp    ESTABLISHED 192.168.1.5:22      -> 10.0.0.15:22       [SSH]", "text-green-400");
                printToTerminal("udp    OPEN        0.0.0.0:53          -> 8.8.8.8:53         [DNS]", "text-gray-400");
                printToTerminal("tcp    LISTEN      0.0.0.0:8080        -> 0.0.0.0:0          [HTTP]", "text-gray-400");
            }, 300);
            break;
            
        case 'ps':
            printToTerminal("Processus en cours:", "text-yellow-400");
            setTimeout(() => {
                printToTerminal("PID  USER      CPU  MEM  COMMAND", "text-gray-500");
                printToTerminal("1    root      0.1  0.2  /sbin/init", "text-gray-400");
                printToTerminal("1842 www-data  45.2 12.5 /usr/bin/python3 -m http.server [SUSPECT]", "text-red-400");
                printToTerminal("2156 mysql     2.1  8.4  mysqld --daemonize", "text-gray-400");
                printToTerminal("3421 root      0.0  0.1  /bin/bash /tmp/.hidden/script.sh [MALICIOUS]", "text-red-400 font-bold");
            }, 300);
            break;
            
        case 'kill':
            if (args[1]) {
                printToTerminal(`Envoi du signal SIGTERM au processus ${args[1]}...`, "text-yellow-400");
                setTimeout(() => {
                    printToTerminal(`Processus ${args[1]} terminé.`, "text-green-400");
                    addLogEntry(`Processus ${args[1]} terminé manuellement via terminal`, 'warning', 'ADMIN');
                }, 500);
            } else {
                printToTerminal("Usage: kill [PID]", "text-red-400");
            }
            break;
            
        case 'block':
            if (args[1]) {
                const ip = args[1];
                if (/^(\d{1,3}\.){3}\d{1,3}$/.test(ip)) {
                    printToTerminal(`Blocage de l'IP ${ip}...`, "text-yellow-400");
                    setTimeout(() => {
                        printToTerminal(`iptables -A INPUT -s ${ip} -j DROP`, "text-gray-500");
                        printToTerminal(`IP ${ip} bloquée avec succès.`, "text-green-400");
                        blockIP(ip);
                    }, 600);
                } else {
                    printToTerminal("IP invalide.", "text-red-400");
                }
            } else {
                printToTerminal("Usage: block [IP]", "text-red-400");
            }
            break;
            
        case 'isolate':
            printToTerminal("INITIATION DU CONFINEMENT D'URGENCE...", "text-red-400 font-bold");
            setTimeout(() => {
                printToTerminal("[-] Coupure des interfaces réseau externes...", "text-yellow-400");
                printToTerminal("[-] Isolation du VLAN sensibles...", "text-yellow-400");
                printToTerminal("[-] Preservation des logs forensiques...", "text-yellow-400");
                printToTerminal("[✓] SYSTÈME ISOLÉ - Mode quarantaine actif", "text-green-400 font-bold");
                isolateSystem();
            }, 1000);
            break;
            
        case 'scan':
            const target = args[1] || 'localhost';
            printToTerminal(`Lancement du scan de vulnérabilités sur ${target}...`, "text-yellow-400");
            setTimeout(() => {
                printToTerminal("[*] Scan des ports ouverts...", "text-gray-500");
                printToTerminal("[!] Port 22/tcp   open   SSH      - Version outdated", "text-orange-400");
                printToTerminal("[!] Port 3389/tcp open   RDP      - Vulnérable à BlueKeep", "text-red-400");
                printToTerminal("[*] Scan terminé. 2 vulnérabilités trouvées.", "text-green-400");
            }, 2000);
            break;
            
        case 'clear':
            output.innerHTML = '';
            break;
            
        case 'uptime':
            const days = Math.floor(Math.random() * 100);
            const hours = Math.floor(Math.random() * 24);
            printToTerminal(`System uptime: ${days} days, ${hours} hours`, "text-gray-400");
            break;
            
        case 'status':
            printToTerminal("Checking systems...", "text-yellow-400");
            setTimeout(() => {
                printToTerminal("[✓] Firewall: ACTIVE", "text-green-400");
                printToTerminal("[✓] IDS/IPS:  ONLINE", "text-green-400");
                printToTerminal("[✓] SIEM:     CONNECTED", "text-green-400");
                printToTerminal("[✓] Threat Intel: FEED ACTIVE", "text-green-400");
                printToTerminal("[!] Backup:   SYNCING...", "text-orange-400");
            }, 800);
            break;
            
        default:
            printToTerminal(`Command not found: ${cmd}. Type 'help' for available commands.`, "text-red-400");
    }
}

// Dark Web Monitor Functions
function investigateLeak(leakType) {
    if (!leakType) return;
    addLogEntry(`Investigation lancée: ${leakType.toUpperCase()}`, 'info', 'DARKWEB');
    showToastAlert({
        type: 'DARKWEB_INVESTIGATION',
        severity: 'HIGH',
        description: `Analyse forensique de la fuite ${leakType} en cours...`,
        timestamp: new Date().toISOString()
    });
}

// Packet Capture Simulation
let packetCaptureActive = false;
function startPacketCapture() {
    const container = document.getElementById('packet-analyzer');
    packetCaptureActive = !packetCaptureActive;
    
    if (packetCaptureActive) {
        addLogEntry('Capture de paquets démarrée sur interface eth0', 'info', 'NETWORK');
        container.innerHTML = '<div class="text-green-400">Capture active...</div>';
        
        const protocols = ['TCP', 'UDP', 'ICMP', 'DNS'];
        const flags = ['SYN', 'ACK', 'PSH', 'FIN', 'RST'];
        
        const interval = setInterval(() => {
            if (!packetCaptureActive) {
                clearInterval(interval);
                return;
            }
            
            const proto = protocols[Math.floor(Math.random() * protocols.length)];
            const src = `192.168.1.${Math.floor(Math.random() * 255)}`;
            const dst = Math.random() > 0.8 ? `185.220.${Math.floor(Math.random() * 255)}.${Math.floor(Math.random() * 255)}` : `10.0.0.${Math.floor(Math.random() * 50)}`;
            const port = [4444, 5555, 80, 443, 22, 3389][Math.floor(Math.random() * 6)];
            const flag = flags[Math.floor(Math.random() * flags.length)];
            
            const isSuspicious = dst.startsWith('185.220') || port === 4444;
            const colorClass = isSuspicious ? 'text-red-400' : 'text-gray-400';
            const alert = isSuspicious ? ' [!SUSPICIOUS]' : '';
            
            const line = document.createElement('div');
            line.className = `font-mono text-xs ${colorClass} border-l-2 ${isSuspicious ? 'border-red-500 bg-red-900/10' : 'border-gray-700'} pl-2 mb-1`;
            line.innerHTML = `[${new Date().toLocaleTimeString()}] ${proto} ${src} -> ${dst}:${port} [${flag}]${alert}`;
            
            container.prepend(line);
            if (container.children.length > 50) container.lastChild.remove();
            
        }, 200);
    } else {
        addLogEntry('Capture de paquets arrêtée', 'info', 'NETWORK');
        container.innerHTML = '<div class="text-gray-500">Capture arrêtée. En attente...</div>';
    }
}

// Emergency Lockdown
function emergencyLockdown() {
    if (!confirm('ÊTES-VOUS SÛR ? Cette action coupera TOUTES les connexions réseau et isolera le système.')) return;
    
    addLogEntry('🔒 CONFINEMENT D\'URGENCE ACTIVÉ PAR ADMINISTRATEUR', 'error', 'EMERGENCY');
    
    // Update all network status to offline
    document.getElementById('status-eth').innerText = 'COUPÉ';
    document.getElementById('status-eth').className = 'text-red-500 font-mono animate-pulse';
    document.getElementById('icon-eth').classList.add('text-red-500');
    
    document.getElementById('status-wifi').innerText = 'COUPÉ';
    document.getElementById('status-wifi').className = 'text-red-500 font-mono animate-pulse';
    document.getElementById('icon-wifi').classList.add('text-red-500');
    
    // Show emergency modal
    const modal = document.createElement('div');
    modal.className = 'fixed inset-0 bg-red-900/95 z-[200] flex items-center justify-center';
    modal.innerHTML = `
        <div class="text-center">
            <i data-feather="shield-off" class="w-24 h-24 text-white mx-auto mb-4 animate-pulse"></i>
            <h2 class="text-4xl font-bold text-white mb-4">SYSTÈME EN CONFINEMENT</h2>
            <p class="text-red-200 text-lg mb-8">Toutes les interfaces réseau ont été désactivées.</p>
            <button onclick="this.closest('.fixed').remove()" class="bg-white text-red-900 px-8 py-3 rounded font-bold text-lg hover:bg-gray-200 transition">
                Acquitter
            </button>
        </div>
    `;
    document.body.appendChild(modal);
    feather.replace();
    
    playAlertSound();
}

// Memory Analysis Simulation
function startMemoryAnalysis() {
    addLogEntry('Analyse mémoire RAM démarrée...', 'info', 'FORENSICS');
    showToastAlert({
        type: 'FORENSICS_MEMORY',
        severity: 'INFO',
        description: 'Dump mémoire en cours - Recherche d\'artefacts malveillants',
        timestamp: new Date().toISOString()
    });
    
    setTimeout(() => {
        addLogEntry('Artefact détecté: Processus injecté dans lsass.exe', 'error', 'FORENSICS');
    }, 3000);
}

// Export Forensic Report
function exportForensicReport() {
    const report = {
        case_id: 'FR-2025-0129-FICOBa',
        date: new Date().toISOString(),
        type: 'Breach Investigation',
        iocs: ['185.220.101.42', 'ms-office-update.org', 'd41d8cd98f00b204e9800998ecf8427e'],
        timeline: '28-29 Jan 2025',
        analyst: 'CyberShield SOC'
    };
    
    const blob = new Blob([JSON.stringify(report, null, 2)], { type: 'application/json' });
    const url = URL.createObjectURL(blob);
    const a = document.createElement('a');
    a.href = url;
    a.download = `forensic_report_${report.case_id}.json`;
    a.click();
    
    addLogEntry(`Rapport forensique exporté: ${report.case_id}`, 'success', 'FORENSICS');
}

// Add to Blocklist
function addToBlocklist() {
    const iocs = ['185.220.101.42', 'ms-office-update.org'];
    iocs.forEach(ioc => {
        if (ioc.includes('.')) {
            addLogEntry(`IoC ajouté aux listes de blocage: ${ioc}`, 'success', 'THREAT_INTEL');
        }
    });
    showToastAlert({
        type: 'IOC_BLOCKLIST',
        severity: 'SUCCESS',
        description: '3 indicateurs ajoutés aux listes de blocage',
        timestamp: new Date().toISOString()
    });
}

// Data Exfiltration Visualization
function initExfilChart() {
    const canvas = document.getElementById('dataFlowCanvas');
    if (!canvas) return;
    
    const ctx = canvas.getContext('2d');
    if (!ctx) return;
    
    // S'assurer que le canvas a une taille valide
    canvas.width = canvas.offsetWidth || 400;
    canvas.height = canvas.offsetHeight || 200;
    
    let dataPoints = [];
    const maxPoints = 50;
    
    const normalEl = document.getElementById('normal-traffic');
    const suspiciousEl = document.getElementById('suspicious-outbound');
    const encryptedEl = document.getElementById('encrypted-ratio');
    
    setInterval(() => {
        // Simulate data flow
        const normal = Math.random() * 2 + 1; // 1-3 MB/s normal
        const suspicious = Math.random() > 0.7 ? Math.random() * 20 + 10 : 0; // Spikes
        
        if (normalEl) normalEl.innerText = normal.toFixed(1) + ' MB/s';
        if (suspiciousEl) suspiciousEl.innerText = suspicious > 0 ? suspicious.toFixed(1) + ' MB/s' : '0 MB/s';
        if (encryptedEl) encryptedEl.innerText = Math.floor(Math.random() * 15 + 80) + '%';
        
        dataPoints.push({ normal, suspicious });
        if (dataPoints.length > maxPoints) dataPoints.shift();
        
        // Clear canvas
        ctx.fillStyle = '#0a0a12';
        ctx.fillRect(0, 0, canvas.width, canvas.height);
        
        if (dataPoints.length < 2) return;
        
        const step = canvas.width / maxPoints;
        
        // Draw normal traffic
        ctx.beginPath();
        ctx.strokeStyle = '#00ff9d';
        ctx.lineWidth = 2;
        dataPoints.forEach((p, i) => {
            const y = canvas.height - (p.normal / 25 * canvas.height);
            if (i === 0) ctx.moveTo(0, y);
            else ctx.lineTo(i * step, y);
        });
        ctx.stroke();
        
        // Draw suspicious spikes
        ctx.beginPath();
        ctx.strokeStyle = '#ef4444';
        ctx.lineWidth = 2;
        dataPoints.forEach((p, i) => {
            if (p.suspicious > 0) {
                const y = canvas.height - (p.suspicious / 25 * canvas.height);
                ctx.moveTo(i * step, canvas.height);
                ctx.lineTo(i * step, y);
            }
        });
        ctx.stroke();
        
    }, 1000);
}

// Initialize exfil chart when view loads
document.addEventListener('DOMContentLoaded', () => {
    setTimeout(initExfilChart, 1000);
});
// 5. Vulnerabilities Logic avec actions réelles
async function startVulnStream() {
    const tableBody = document.getElementById('vuln-table-body');
    
    const fetchVulns = async () => {
        try {
            const response = await fetch('http://localhost:3000/api/vulns');
            if (!response.ok) throw new Error('Server unavailable');
            const data = await response.json();
            
            // Update Counts avec animation couleur
            const critEl = document.getElementById('vuln-critical-count');
            critEl.innerText = data.stats.critical;
            if (data.stats.critical > 0) critEl.classList.add('text-red-500', 'animate-pulse');
            
            document.getElementById('vuln-high-count').innerText = data.stats.high;
            document.getElementById('vuln-med-count').innerText = data.stats.medium;

            // Render List
            tableBody.innerHTML = ''; 
            data.list.forEach(vuln => {
                let color = 'text-blue-400';
                let badgeClass = 'bg-blue-500/20 text-blue-400 border-blue-500/30';
                
                if(vuln.score >= 9) {
                    color = 'text-red-400 font-bold';
                    badgeClass = 'bg-red-500/20 text-red-400 border-red-500/30 animate-pulse';
                } else if(vuln.score >= 7) {
                    color = 'text-orange-400';
                    badgeClass = 'bg-orange-500/20 text-orange-400 border-orange-500/30';
                }

                const row = document.createElement('tr');
                row.className = 'hover:bg-gray-800/30 transition border-b border-gray-800/50';
                row.innerHTML = `
                    <td class="px-6 py-3 font-mono text-white">${vuln.id}</td>
                    <td class="px-6 py-3">${vuln.component}</td>
                    <td class="px-6 py-3 ${color}">${vuln.score}</td>
                    <td class="px-6 py-3">
                        <span class="px-2 py-1 rounded text-xs border ${badgeClass}">${vuln.status}</span>
                    </td>
                    <td class="px-6 py-3">
                        <button onclick="applyPatch('${vuln.id}')" class="text-cyber-primary hover:text-white hover:bg-cyber-primary/20 px-2 py-1 rounded transition text-xs border border-cyber-primary/30">
                            PATCH
                        </button>
                    </td>
                `;
                tableBody.appendChild(row);
            });
            feather.replace();
        } catch(e) {
            console.error('Erreur vulnérabilités:', e);
        }
    };
    
    fetchVulns();
    setInterval(fetchVulns, 10000); // Toutes les 10s
}

// Fonction pour simuler/appliquer un patch
async function applyPatch(cveId) {
    if (!confirm(`Confirmer l'application du patch pour ${cveId} ?`)) return;
    
    addLogEntry(`Application du patch ${cveId} en cours...`, 'info', 'ADMIN');
    
    try {
        // Ici: appel API réel pour déclencher patch management
        const response = await fetch('http://localhost:3000/api/patch', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({ cve: cveId })
        });
        
        if (response.ok) {
            addLogEntry(`Patch ${cveId} appliqué avec succès`, 'success', 'SYSTEM');
            playBeep(800, 'sine', 0.2); // Son de succès
        }
    } catch (e) {
        addLogEntry(`Échec application patch ${cveId}`, 'error', 'SYSTEM');
    }
}
// --- COGNITIVE ENGINE LOGIC ---

function initCognitiveEngine() {
    const chartContainer = document.getElementById('predictionChart');
    const barCount = 30;
    for(let i = 0; i < barCount; i++) {
        const bar = document.createElement('div');
        bar.className = 'bg-purple-500/40 w-2 rounded-t-sm transition-all duration-500';
        // Simulate a prediction curve
        let h = 20 + (i * 2) + (Math.random() * 10 - 5);
        if (h > 90) h = 90;
        bar.style.height = `${h}%`;
        
        // Random anomaly
        if (Math.random() > 0.95) {
            bar.classList.add('bg-red-500', 'shadow-[0_0_10px_rgba(239,68,68,0.8)]');
        }
        
        chartContainer.appendChild(bar);
    }
}

function startCognitiveStream() {
    const container = document.getElementById('cognitive-log');
    
    const insights = [
        { type: 'WARNING', text: 'Anomalie de trafic détectée: Protocol SSH handshake failed.', score: '92%' },
        { type: 'INFO', text: 'Mise à jour des signatures de pare-feu terminée.', score: '100%' },
        { type: 'ANALYSIS', text: 'Pattern reconnu: Attaque DDoS de faible niveau (Type UDP Flood).', score: '88%' },
        { type: 'OPTIMIZATION', text: 'Optimisation dynamique: Cache Redis activé sur Cluster A.', score: 'N/A' },
        { type: 'DETECTION', text: 'Compte utilisateur "admin" connecté depuis une localisation inhabituelle.', score: '45%' }
    ];

    setInterval(() => {
        // Randomly pick an insight
        const item = insights[Math.floor(Math.random() * insights.length)];
        
        const div = document.createElement('div');
        div.className = "border-b border-gray-800 pb-2 animate-fade-in";
        
        let color = "text-gray-400";
        if(item.type === 'WARNING') color = "text-red-400";
        if(item.type === 'OPTIMIZATION') color = "text-green-400";

        div.innerHTML = `
            <div class="flex justify-between">
                <span class="${color} font-bold">[${item.type}]</span>
                <span class="text-gray-600 font-mono">${item.score}</span>
            </div>
            <p class="text-gray-300 mt-1">${item.text}</p>
        `;
        
        container.prepend(div);
        if(container.children.length > 10) container.lastChild.remove();
    }, 5000);
}

function generateCognitiveInsight() {
    const container = document.getElementById('cognitive-log');
    const div = document.createElement('div');
    div.className = "border-l-2 border-purple-500 pl-3 py-1 bg-purple-900/10 animate-pulse";
    div.innerHTML = `
        <span class="text-purple-400 text-xs font-bold uppercase">Re-Analyse Terminée</span>
        <p class="text-white text-sm mt-1">Aucun risque critique identifié. Efficacité du système: 99.8%</p>
    `;
    container.prepend(div);
}

// 6. Infrastructure Logic avec données réelles système
async function startInfraStream() {
    const container = document.getElementById('server-rack-container');
    
    const fetchInfra = async () => {
        try {
            const response = await fetch('http://localhost:3000/api/infra');
            if (!response.ok) throw new Error('Network response was not ok');
            const data = await response.json();

            if(container.children.length === 0) {
                data.servers.forEach(srv => {
                    const card = document.createElement('div');
                    card.className = 'server-card p-4 rounded-xl shadow-lg relative';
                    card.id = `srv-${srv.id}`;
                    container.appendChild(card);
                });
            }

            data.servers.forEach(srv => {
                const card = document.getElementById(`srv-${srv.id}`);
                if(card) {
                    const loadColor = srv.load > 80 ? 'bg-red-500 shadow-[0_0_10px_rgba(239,68,68,0.5)]' : 
                                     (srv.load > 50 ? 'bg-yellow-400' : 'bg-cyber-secondary');
                    
                    const tempColor = srv.temp > 70 ? 'text-red-400 animate-pulse' : 
                                      (srv.temp > 60 ? 'text-yellow-400' : 'text-white');
                    
                    // Badge de statut dynamique
                    const statusBadge = srv.status === 'Online' 
                        ? '<span class="flex items-center text-green-400"><span class="w-1.5 h-1.5 bg-green-400 rounded-full mr-1 animate-pulse"></span>Online</span>'
                        : '<span class="flex items-center text-red-400"><span class="w-1.5 h-1.5 bg-red-500 rounded-full mr-1"></span>Warning</span>';
                    
                    card.innerHTML = `
                        <div class="flex justify-between items-center mb-4">
                            <div class="flex items-center">
                                <i data-feather="server" class="w-4 h-4 text-gray-400 mr-2"></i>
                                <h4 class="font-bold text-white text-sm">${srv.name}</h4>
                            </div>
                            <span class="text-xs">${statusBadge}</span>
                        </div>
                        <div class="space-y-3">
                            <div>
                                <div class="flex justify-between text-xs text-gray-400 mb-1">
                                    <span>CPU Load</span>
                                    <span class="font-mono ${srv.load > 80 ? 'text-red-400' : ''}">${srv.load}%</span>
                                </div>
                                <div class="w-full bg-gray-800 rounded-full h-1.5 overflow-hidden">
                                    <div class="${loadColor} h-1.5 rounded-full transition-all duration-700" style="width: ${Math.min(srv.load, 100)}%"></div>
                                </div>
                            </div>
                            <div class="grid grid-cols-3 gap-2 mt-4">
                                <div class="bg-gray-900/50 p-2 rounded border border-gray-800">
                                    <p class="text-[10px] text-gray-500 uppercase">RAM</p>
                                    <p class="text-xs font-mono text-white">${srv.ram} GB</p>
                                </div>
                                <div class="bg-gray-900/50 p-2 rounded border border-gray-800">
                                    <p class="text-[10px] text-gray-500 uppercase">Temp</p>
                                    <p class="text-xs font-mono ${tempColor}">${srv.temp}°C</p>
                                </div>
                                <div class="bg-gray-900/50 p-2 rounded border border-gray-800">
                                    <p class="text-[10px] text-gray-500 uppercase">Proc</p>
                                    <p class="text-xs font-mono text-white">${srv.processes}</p>
                                </div>
                            </div>
                            ${srv.load > 80 ? '<div class="mt-2 text-[10px] text-red-400 border border-red-500/30 bg-red-500/10 px-2 py-1 rounded text-center">SURCHARGE CPU DETECTÉE</div>' : ''}
                        </div>
                    `;
                }
            });
            feather.replace();
        } catch(e) {
            console.error('Erreur infrastructure:', e);
        }
    };
    
    fetchInfra();
    setInterval(fetchInfra, 3000); // Rafraîchissement toutes les 3s
}