/*
    SkeptIO | Gestionnaire des services
*/

const pm2 = require('pm2')

module.exports = (who) => {

  function sendMSG(to, conf, data) {
    if (!who) return console.error(`ERROR skeptIO ${to}`)

    let dataMSG = {
      topic: to,
      from: 'skp_' + who,
      conf,
      data
    }

    pm2.list( (err, list) => { // on check la liste des process pm2
      for (let i in list) {
        if (list[i].name === 'skp_' + to) { // on verif que le process exite bien
          pm2.sendDataToProcessId(list[i].pm_id, dataMSG, (err, res) => { // et on send
            if (err) return console.error(` <-- [${list[i].pm_id}:${list[i].name}] error`, err)
          })
        }
      }
    })
  }

  function receiveMSG(res) {
    process.on('message', data => {
      res(data)
    })
  }

  return {
    send: sendMSG,
    receive: receiveMSG
  }
}