let express = require('express')
let logger = require('morgan')
let bodyParser = require('body-parser')

const axios = require('axios')


let app = express()
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({ extended: true }))
app.use(logger('dev'))
app.use(express.static('views'))

app.set('view engine', 'ejs')
app.set('views', __dirname + '/views')

var led_array = {
  power: false,
  brightness: 0,
  color: 0
}



app.get('/', function (request, responce) {
  responce.render('index.ejs', {led_array:led_array})
})


app.post('/setlight', async function (request, responce) {
  if (dataVal5(request)) {

    led_array.power = s2b(request.body.state)
    led_array.brightness = Number(request.body.brightness)
    led_array.color = Number(request.body.color)

    // Now make an api call to the led controller
    axios({
      url: 'http://192.168.0.23:5000/setState',
      method: 'post',
      data: {
        power: led_array.power,
        brightness: led_array.brightness,
        color: led_array.color
      }
    })
    responce.send({success: true, error: false})

  }
  else {
    responce.send({ success: false, error: "Data Validation" })
    console.log(request.body)
  }
})

app.post('/getlight', async function (request, responce) {
  rsp = {
    power: led_array.power,
    brightness: led_array.brightness,
    color: led_array.color
  }
  responce.send({led_array: rsp})
})



function dataVal5(data) {
  if ((data.body.state == 'true' || data.body.state == 'false' || data.body.state == true || data.body.state == false) && Number(data.body.brightness) && String(data.body.color)) {
    return true
  }
  return false
}

function s2b(string) {
  string = String(string)
  switch (string.toLowerCase().trim()) {
    case "true": case "yes": case 'on': case "1": case true: return true
    case "false": case "no": case 'off': case "0": case false: case null: return false
    default: return false
  }
}

app.get('*', function (request, responce) {
  responce.render('404.ejs')
})

app.post('*', function (request, responce) {
  responce.status(404).send({ success: false, error: "404" })
})

var port = 5555

app.listen(port, function () {
  console.log('Server running on port ' + port)
})