import cmd from './cmd'
import del from './delete'
import tc from '@uci/try-catch'

export default async function (ap) {

  let ret = null
  let cmdStr = ''

  // check to see if already connected
  cmdStr = `nmcli --terse --fields UUID c show --active | grep ${ap.uuid}`
  ret = await tc(cmd)(cmdStr)
  if (!ret.err && ret.res!=='') return {connect:'already connected', ap:ap}

  // check for existing connection, if some connect if not it's new
  cmdStr = `nmcli --terse --fields device,name,UUID c show | grep ${ap.uuid}`
  ret = await tc(cmd)(cmdStr)
  console.log('check-exisiting',ap.uuid,ap.ssid)
  if (!ret.err && ret.res!=='') {
    console.log('existing nm connection',ap.ssid)
    if(ap.update) {
      cmdStr = `nmcli con modify ${ap.uuid} 802-11-wireless-security.psk ${ap.password}`
      ret = await tc(cmd)(cmdStr)
      if (ret.err) return {error:'unable to update password', ap:ap}
    }
    cmdStr = `nmcli con up uuid ${ap.uuid}`
    ret = await tc(cmd)(cmdStr)
    if (ret.err) {
      if(ap.update) { return { error:'updated password failed', ap:ap}  }
      return {error: ret.err.message }
    }
    return {connect:'reconnected', ap:ap}
  }
  console.log('NEW CONNECTION')
  // connect with new connection
  // first clean out any connections with same or similar name to SSID
  ret = await tc(del)( {name:ap.ssid} )
  cmdStr = `nmcli -w 10 device wifi connect '${ap.ssid}' password '${ap.password}' ifname ${ap.iface}`
  ret = await tc(cmd)(cmdStr)
  if (ret.err) {
    return {error: `new connection failed -- ${ret.err.cmd}` }
  }
  // TODO set interface method if other than auto which is default
  // `nmcli con modify ${ap.ssid} ipv4.method shared
  cmdStr = `nmcli --terse --fields connection.uuid c show id '${ap.ssid}'`
  ret = await tc(cmd)(cmdStr)
  console.log(ret.res)
  ap.uuid = ret.res.split(/[\n:]+/)[1]
  console.log(ap.uuid)
  return {connect:'new', ap:ap}

} // end connect