segnapunti/src/server-utils.js

import { networkInterfaces } from 'os'
import { readFileSync, existsSync } from 'fs'
import { execSync } from 'child_process'

function isWSL() {
  try {
    return existsSync('/proc/sys/kernel/osrelease') &&
      readFileSync('/proc/sys/kernel/osrelease', 'utf8').toLowerCase().includes('microsoft')
  } catch { return false }
}

export function getNetworkIPs() {
  if (isWSL()) {
    try {
      const out = execSync(
        'powershell.exe -NoProfile -Command "Get-NetIPAddress -AddressFamily IPv4 | Select-Object -ExpandProperty IPAddress"',
        { timeout: 3000 }
      )
      return out.toString().trim().split('\n')
        .map(s => s.trim())
        .filter(ip => ip && !ip.startsWith('127.') && !ip.startsWith('169.254.') && !ip.startsWith('172.'))
    } catch { return [] }
  }

  const nets = networkInterfaces()
  const networkIPs = []
  for (const name of Object.keys(nets)) {
    for (const net of nets[name]) {
      if (net.family === 'IPv4' && !net.internal) networkIPs.push(net.address)
    }
  }
  return networkIPs
}

export function printServerInfo(port = 3000) {
  const networkIPs = getNetworkIPs()

  console.log(`\nSegnapunti Server`)
  console.log(`   Display:    http://127.0.0.1:${port}/display`)
  console.log(`   Controller: http://127.0.0.1:${port}/controller`)

  if (networkIPs.length > 0) {
    console.log(`\n   Da dispositivi remoti:`)
    networkIPs.forEach(ip => {
      console.log(`   Display:    http://${ip}:${port}/display`)
      console.log(`   Controller: http://${ip}:${port}/controller`)
    })
  }

  console.log()
}