require('dotenv').config()
const express = require('express')
const app = express()
const http = require('http')
const socket_io = require('socket.io')
const ss = require('socket.io-stream')

app.use(express.static('public', { extensions: ['html'] }))

// app.get('/images', site.images)
// app.post('/print', bodyParser.urlencoded({ extended: false }), site.print)
// app.use('/upload', require('./upload'))

let server = http.createServer(app)
server.listen(process.env.EXPRESS_PORT, () => {
  console.log("Cortex remote listening on http://localhost:" + process.env.EXPRESS_PORT)
})

const io = socket_io(server)
const client = io.of('/client')
const relay = io.of('/relay')

client.on('connect', socket => {
  console.log('Client connected')
  socket.on('cmd', data => {
    relay.emit('cmd', data)
  })
  socket.on('disconnect', () => {
    console.log("Client disconnected")
  })
})

relay.on('connect', socket => {
  console.log('Relay connected')
  socket.on('params', data => {
    client.emit('params', data)
  })

  ss(relay).on('frame', (stream, data) => {
    console.log(data)
    Object.values(client.connected).map(socket => {
      ss(socket).emit('frame', stream, data)
    })
  })

  socket.on('disconnect', () => {
    console.log("Relay disconnected")
  })
})