import express from 'express'
import axios from 'axios'
import * as prep from '../charts/preparecharts.js'

const router = express.Router()

const disttable = [
  {type: 'live', func: prep.liveData },
  {type: 'havg', func: prep.havgData },
  {type: 'davg', func: prep.davgData },
  {type: 'daynight', func: prep.dayNightData },
  {type: 'lden', func: prep.ldenData },
  {type: 'map', func: prep.mapData },
]

let APIHOST = process.env.APIHOST || 'http://localhost:3004'

/* GET home page. */
router.get('/:cmd', async function(req, res, next) {
  const cmd = req.params.cmd
  let url = APIHOST
  if(isNaN(cmd)) {
    url += req.originalUrl
  } else {
    // cmd is a number ==> sid
    url += `getsensordata?sid=${cmd}`
  }
  try {
    const response = await axios(encodeURI(url));
    if (response.status !== 200) {
      res.json({err: `Error from servercall: status = ${response.status}`})
    }
    if(response.data.err) {
      res.json(response.data)
      return
    }
    const options = response.data.options
    for(let x of disttable) {
      if (x.type === options.data) {
        let ret = x.func(options, response.data.values)
        res.json(ret)
        break;
      }
    }
  } catch (e) {
    res.json({err: `Error from servercall: ${e}`})
  }
})

export default router



// ToDo
// Hier : getsensordata  und getmapdata unterbringen und damit den externen Server aufrufen