import express from 'express'
import axios from 'axios'
import * as prep from '../charts/preparecharts.js'
import { getLanguage } from '../charts/utilities.js'
import { translate as trans } from '../routes/index.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:3005'


/* GET home page. */
router.get('/:cmd', async function(req, res, next) {
//  req.i18n.changeLanguage(req.query.lng)
  const calledAs = req.baseUrl
  const cmd = req.params.cmd
  const pretty = (req.query.pretty !== undefined)
  const lng = getLanguage()
  let url = APIHOST + '/api' + req.originalUrl.slice(4) + `&lng=${lng}`
  try {
    const response = await axios.get(encodeURI(url));
    if (response.status !== 200) {
      res.json({err: `${trans('ESYSCALL')} status=${response.status}`})
    }
    if(response.data.err) {
      res.json(response.data)
      return
    }
    // if called as '/api' then directly return the data
    if ((calledAs === '/api') || (cmd === 'getoneproperty') || (cmd === 'getaddress')) {
      if(pretty) {
        res.setHeader('Content-Type', 'text/plain; charset=utf-8');
        res.send(JSON.stringify(response.data,null,2))
      } else {
        res.setHeader('Content-Type', 'application/json; charset=utf-8');
        res.json(response.data)
      }
      return
    }
    const options = response.data.options
    for(let x of disttable) {
      if (x.type === options.data) {
        let ret = x.func(options, response.data.values, req)
        res.json(ret)
        break;
      }
    }
  } catch (e) {
    res.json({err: `${trans('ESYSCALL')}  ${e}`})
  }
})

export default router



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