serverInfo.ts

import type { Request, Response } from 'express';
import { extension } from '@heyputer/backend/src/extensions';
import fs from 'fs/promises';
import os from 'os';

export const handleServerInfo = async (
    _req: Request,
    res: Response,
): Promise<void> => {
    const osData = {
        platform: os.platform(),
        type: os.type(),
        release: os.release(),
        pretty: `${os.type()} ${os.release()}`,
    };

    const cpus = os.cpus();
    const cpuData = {
        model: cpus[0]?.model || 'Unknown',
        cores: cpus.length,
    };

    const ramData = {
        total: os.totalmem(),
        free: os.freemem(),
        totalGB: (os.totalmem() / 1073741824).toFixed(2),
        freeGB: (os.freemem() / 1073741824).toFixed(2),
    };

    const uptimeSeconds = os.uptime();
    const uptimeData = {
        seconds: uptimeSeconds,
        days: Math.floor(uptimeSeconds / 86400),
        hours: Math.floor((uptimeSeconds % 86400) / 3600),
        minutes: Math.floor((uptimeSeconds % 3600) / 60),
        pretty: `${Math.floor(uptimeSeconds / 86400)}d ${Math.floor((uptimeSeconds % 86400) / 3600)}h ${Math.floor((uptimeSeconds % 3600) / 60)}m`,
    };

    let diskData: Record<string, string> = {
        total: 'N/A',
        free: 'N/A',
        used: 'N/A',
    };
    try {
        const stats = await fs.statfs('/');
        const totalGB = (stats.blocks * stats.bsize) / 1073741824;
        const freeGB = (stats.bfree * stats.bsize) / 1073741824;
        const usedGB = (totalGB - freeGB).toFixed(2);
        diskData = {
            total: totalGB.toFixed(2),
            free: freeGB.toFixed(2),
            used: usedGB,
        };
    } catch (err) {
        console.error('Disk stats error:', err);
    }

    res.json({
        os: osData,
        cpu: cpuData,
        ram: ramData,
        uptime: uptimeData,
        disk: diskData,
        loadavg: os.loadavg(),
        hostname: os.hostname(),
    });
};

extension.get(
    '/serverInfo',
    { subdomain: 'api', adminOnly: true },
    handleServerInfo,
);