script.js

// Translations (Expandable to 10+ languages)
const translations = {
    en: {
        homeTitle: "Welcome to Smart Tourist Safety Monitoring System",
        homeDesc: "A secure platform using AI, Blockchain, and Geo-Fencing for tourist safety in high-risk areas like Northeast India.",
        touristTitle: "Digital Tourist ID Generation",
        dashTitle: "Tourist Dashboard",
        adminTitle: "Tourism & Police Dashboard",
        // Add more as needed
    },
    hi: {
        homeTitle: "स्मार्ट पर्यटक सुरक्षा निगरानी प्रणाली में आपका स्वागत है",
        homeDesc: "उत्तर पूर्व भारत जैसे उच्च जोखिम वाले क्षेत्रों में पर्यटक सुरक्षा के लिए एआई, ब्लॉकचेन और जियो-फेंसिंग का उपयोग करने वाला एक सुरक्षित प्लेटफॉर्म।",
        touristTitle: "डिजिटल पर्यटक आईडी जनरेशन",
        dashTitle: "पर्यटक डैशबोर्ड",
        adminTitle: "पर्यटन और पुलिस डैशबोर्ड",
    }
};

// Current Language
let currentLang = 'en';

// Show/Hide Sections
function showSection(sectionId) {
    document.querySelectorAll('section').forEach(sec => sec.classList.add('hidden'));
    document.getElementById(sectionId).classList.remove('hidden');
    updateTranslations();
}

// Language Selector
document.getElementById('languageSelector').addEventListener('change', (e) => {
    currentLang = e.target.value;
    updateTranslations();
});

function updateTranslations() {
    const t = translations[currentLang];
    document.getElementById('homeTitle').textContent = t.homeTitle;
    document.getElementById('homeDesc').textContent = t.homeDesc;
    document.getElementById('touristTitle').textContent = t.touristTitle;
    document.getElementById('dashTitle').textContent = t.dashTitle;
    document.getElementById('adminTitle').textContent = t.adminTitle;
    // Update other elements dynamically if needed
}

// Digital ID Generation (Mock Blockchain: Hash + QR)
document.getElementById('idForm').addEventListener('submit', (e) => {
    e.preventDefault();
    const formData = new FormData(e.target);
    const data = {
        name: document.getElementById('name').value,
        kyc: document.getElementById('kyc').value,
        arrival: document.getElementById('arrival').value,
        departure: document.getElementById('departure').value,
        itinerary: document.getElementById('itinerary').value,
        emergency: document.getElementById('emergencyContact').value
    };
    // Mock Encryption (CryptoJS)
    const encryptedData = CryptoJS.AES.encrypt(JSON.stringify(data), 'secret-key').toString();
    const digitalId = CryptoJS.SHA256(JSON.stringify(data)).toString().substring(0, 16); // Mock Hash ID

    document.getElementById('digitalId').textContent = digitalId;
    document.getElementById('validity').textContent = `${data.arrival} to ${data.departure}`;
    document.getElementById('idOutput').classList.remove('hidden');

    // Generate QR
    const qrCanvas = document.getElementById('qrCode');
    QRCode.toCanvas(qrCanvas, digitalId, { width: 200 });

    // Store in localStorage (Mock DB)
    localStorage.setItem('touristData', encryptedData);
    calculateSafetyScore(data.itinerary);
    startAnomalyDetection();
});

// Safety Score (Mock AI: Based on itinerary risk)
function calculateSafetyScore(itinerary) {
    let score = 85; // Base
    if (itinerary.toLowerCase().includes('forest') || itinerary.toLowerCase().includes('cave')) score -= 20;
    if (itinerary.toLowerCase().includes('northeast')) score -= 10;
    document.getElementById('safetyScore').textContent = `${score}/100`;
}

// Geo-location & Alerts
function getLocation() {
    if (navigator.geolocation) {
        navigator.geolocation.getCurrentPosition((pos) => {
            document.getElementById('location').textContent = `${pos.coords.latitude}, ${pos.coords.longitude}`;
            checkGeoFencing(pos.coords.latitude, pos.coords.longitude);
        });
    } else {
        document.getElementById('location').textContent = 'Geolocation not supported';
    }
}

function checkGeoFencing(lat, lng) {
    // Mock High-Risk Zones (e.g., Northeast forests)
    const highRisk = { lat: 26.5, lng: 94.0 }; // Kaziranga approx
    const distance = Math.sqrt((lat - highRisk.lat)**2 + (lng - highRisk.lng)**2);
    if (distance < 0.5) {
        document.getElementById('geoAlert').innerHTML = '<p style="color:red;">Alert: Entering High-Risk Zone!</p>';
    }
}

// Panic Button
function panicAlert() {
    getLocation(); // Share location
    const alertMsg = 'Panic Alert Triggered! Location Shared to Police & Contacts.';
    alert(alertMsg);
    console.log('Alert Dispatched:', new Date().toISOString()); // Mock Dispatch
    addAdminAlert(alertMsg);
}

// Anomaly Detection (Mock AI: Timer-based)
let anomalyTimer;
function startAnomalyDetection() {
    anomalyTimer = setInterval(() => {
        // Mock: Check inactivity (e.g., no location update in 5min)
        if (Math.random() > 0.8) { // Random anomaly
            document.getElementById('anomalyAlert').innerHTML = '<p style="color:orange;">Anomaly Detected: Deviation from Route!</p>';
            addAdminAlert('Anomaly: Tourist deviated from itinerary.');
        }
    }, 10000); // Every 10s for demo
}

// Admin Login (Mock)
document.getElementById('adminLogin').addEventListener('submit', (e) => {
    e.preventDefault();
    if (document.querySelector('#adminLogin input').value === 'admin123') {
        document.getElementById('adminLogin').classList.add('hidden');
        document.getElementById('adminContent').classList.remove('hidden');
        initDashboard();
    } else {
        alert('Invalid Password');
    }
});

// Admin Dashboard
function initDashboard() {
    // Heat Map (Mock Chart.js)
    const heatCtx = document.getElementById('heatMap').getContext('2d');
    new Chart(heatCtx, {
        type: 'bar',
        data: { labels: ['Guwahati', 'Kaziranga', 'High-Risk Zone'], datasets: [{ label: 'Tourist Density', data: [50, 30, 10] }] },
        options: { title: { display: true, text: 'High-Risk Heat Map' } }
    });

    // Cluster Chart
    const clusterCtx = document.getElementById('clusterChart').getContext('2d');
    new Chart(clusterCtx, {
        type: 'doughnut',
        data: { labels: ['Safe Clusters', 'At-Risk'], datasets: [{ data: [70, 30] }] },
        options: { title: { display: true, text: 'Tourist Clusters' } }
    });

    // IoT Toggle
    document.getElementById('iotToggle').addEventListener('change', (e) => {
        document.getElementById('iotStatus').textContent = e.target.checked ? 'Active: Monitoring Health/Location' : 'Inactive';
    });
}

let alertCounter = 0;
function addAdminAlert(msg) {
    const li = document.createElement('li');
    li.textContent = `${++alertCounter}. ${msg} - ${new Date().toString()}`;
    document.getElementById('alertList').appendChild(li);
}

function generateEFIR() {
    alert('E-FIR Generated: Automated Report for Missing Tourist (Mock).');
    addAdminAlert('E-FIR: Missing Person Case Logged.');
}

// Load Tourist Data on Dashboard Show
document.getElementById('tourist').addEventListener('transition')