import { networkInterfaces } from 'os'

export function getNetworkIPs() {
  const nets = networkInterfaces()
  const networkIPs = []

  for (const name of Object.keys(nets)) {
    for (const net of nets[name]) {
      if (net.family === 'IPv4' &&
        !net.internal &&
        !net.address.startsWith('172.17.') &&
        !net.address.startsWith('172.18.')) {
        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   Controller da dispositivi remoti:`)
    networkIPs.forEach(ip => {
      console.log(`   http://${ip}:${port}/controller`)
    })
  }

  console.log()
}