server-simple.js

const express = require('express');
const path = require('path');

const app = express();
const PORT = process.env.PORT || 3001;

// Basic middleware
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(express.static(path.join(__dirname)));

// Mock data for advanced features
let userData = {
    streaks: {},
    analytics: {
        productivity: Array.from({length: 30}, () => Math.random() * 100),
        mood: Array.from({length: 30}, () => Math.random() * 5)
    }
};

// API Routes
app.get('/api/health', (req, res) => {
    res.json({
        status: 'healthy',
        version: '3.0.0',
        features: { ai: true, biometric: true, social: true }
    });
});

app.get('/api/analytics/dashboard', (req, res) => {
    res.json({
        productivityScore: Math.round(70 + Math.random() * 30),
        motivationTrend: Math.round(-10 + Math.random() * 30),
        streakDays: userData.streaks[req.ip] || 0,
        aiAccuracy: Math.round(85 + Math.random() * 15)
    });
});

app.post('/api/emotion/analyze', (req, res) => {
    const { text } = req.body;
    const emotions = ['happy', 'sad', 'angry', 'anxious', 'lazy'];
    const emotion = emotions[Math.floor(Math.random() * emotions.length)];
    
    res.json({
        emotion,
        confidence: Math.round(60 + Math.random() * 35),
        timestamp: new Date().toISOString()
    });
});

app.get('/api/meme/generate', (req, res) => {
    const templates = [
        { top: 'WHEN YOU COMPLETE', bottom: 'ALL YOUR TASKS' },
        { top: 'PROCRASTINATION', bottom: 'NOT TODAY SATAN' },
        { top: 'ME AFTER USING', bottom: 'KALESHAK FOR 1 WEEK' }
    ];
    
    const template = templates[Math.floor(Math.random() * templates.length)];
    res.json(template);
});

app.post('/api/emergency/motivation', (req, res) => {
    const messages = [
        "🚨 WAKE UP! Your dreams are waiting!",
        "⚡ RIGHT NOW is the only moment that matters!",
        "🔥 Every second you waste is a second your competition gets ahead!"
    ];
    
    const message = messages[Math.floor(Math.random() * messages.length)];
    res.json({ message, xpBonus: 50 });
});

// Routes
app.get('/', (req, res) => {
    res.sendFile(path.join(__dirname, 'index.html'));
});

// PWA Manifest
app.get('/manifest.json', (req, res) => {
    res.json({
        name: "KALESHAK v3.0",
        short_name: "KALESHAK",
        start_url: "/",
        display: "standalone",
        background_color: "#333333",
        theme_color: "#333333",
        icons: [{
            src: "data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTkyIiBoZWlnaHQ9IjE5MiIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48cmVjdCB3aWR0aD0iMTkyIiBoZWlnaHQ9IjE5MiIgZmlsbD0iIzMzMzMzMyIvPjx0ZXh0IHg9Ijk2IiB5PSIxMTAiIGZvbnQtZmFtaWx5PSJBcmlhbCIgZm9udC1zaXplPSI4MCIgZm9udC13ZWlnaHQ9ImJvbGQiIGZpbGw9IiNmZmZmZmYiIHRleHQtYW5jaG9yPSJtaWRkbGUiPks8L3RleHQ+PC9zdmc+",
            sizes: "192x192",
            type: "image/svg+xml"
        }]
    });
});

// Service Worker
app.get('/sw.js', (req, res) => {
    res.setHeader('Content-Type', 'application/javascript');
    res.send(`
        const CACHE_NAME = 'kaleshak-v3-cache';
        const urlsToCache = ['/', '/style.css', '/advanced-styles.css', '/script.js', '/advanced-features.js'];

        self.addEventListener('install', event => {
            event.waitUntil(caches.open(CACHE_NAME).then(cache => cache.addAll(urlsToCache)));
        });

        self.addEventListener('fetch', event => {
            event.respondWith(
                caches.match(event.request).then(response => response || fetch(event.request))
            );
        });
    `);
});

app.listen(PORT, () => {
    console.log(`🚀 KALESHAK v3.0 running on http://localhost:${PORT}`);
    console.log(`🔥 Advanced features: Boss Battle, Emotion AI, Heatmap, Avatar, Reverse Psychology, Meme Generator`);
});

module.exports = app;