const sys = require('sys')
const exec = require('child_process').exec
const express = require('express')
const app = express()

const commandOn = '/root/workspace/raspberry-remote/send -p 16 11001 2 1'
const commandOff = '/root/workspace/raspberry-remote/send -p 16 11001 2 0'

const PORT = 9000

app.get('/on', (req, res) => {
  exec(commandOn, (error, stdout, stderr) => {
    sys.print('stdout: ' + stdout)
    sys.print('stderr: ' + stderr)

    if (error !== null) {
      console.log('exec error: ' + error)
      res.send('Error while turning on: ' + error)
    } else {
      res.send('Success, now turning on: ' + stdout)
    }
  })
})

app.get('/off', (req, res) => {
  exec(commandOff, (error, stdout, stderr) => {
    sys.print('stdout: ' + stdout)
    sys.print('stderr: ' + stderr)

    if (error !== null) {
      console.log('exec error: ' + error)
      res.send('Error while turning off: ' + error)
    } else {
      res.send('Success, now turning off: ' + stdout)
    }
  })
})

const server = app.listen(PORT, () => {
  console.log('App listens on port ' + PORT)
})