const express = require('express');
const os = require('os');
const osu = require('node-os-utils')
const cpu = osu.cpu
const router = express.Router();

router.get('/', (req, res) => {
    // Get CPU usage
    const count = cpu.count()
    
    cpu.usage()
        .then(cpuPercentage => {
            
            // Get memory usage
            const totalMemory = os.totalmem() / 1024 / 1024 / 1024;
            const freeMemory = os.freemem()  / 1024 / 1024 / 1024;
            const usedMemory = totalMemory - freeMemory;
            const memoryUsage = (usedMemory / totalMemory * 100);

            res.json({
                cpu: cpuPercentage,
                memory: Math.round(memoryUsage * 100) / 100,
                totalMemory: totalMemory.toFixed(2),
                freeMemory: freeMemory.toFixed(2)
            });
        })
        .catch(err => {
            res.status(500).json({ error: 'Failed to get CPU usage' });
        });
});

module.exports = router;