const express = require('express');
const router = express.Router({mergeParams:true});


const randToken = require('rand-token');

const DEBUG = true;


/* GET recepieVotes listing. */
router.get('/', function(req, res, next) {
  let query =  "SELECT avg(wert) as wertung FROM rezept_wertung WHERE rezept = $1";
  let values = [req.recepieId];


  req.db.query(query, values, (err, rs) => {
    if (err){
        next(err);
      } else {
        let result  = {};
        result['recepieVotes'] = rs.rows[0];
        res.status(200).json(result);
    }
  });
});

router.post('/', function(req, res, next) {
  let recepieVote = req.body.recepieVote;
  if(!recepieVote.wert) {
    return res.status(400).send("Wrong Params")
  }

  if (!recepieVote.nutzer) recepieVote.nutzer = 0;
    let query =  "INSERT INTO rezept_wertung (rezept, wertungkategorie, nutzer, wert, beschreibung) "+
              " VALUES ($1, (SELECT id from wertungkategorie where schluessel = 'sum'), $2, $3, $4)";
    let values = [req.recepieId, recepieVote.nutzer, recepieVote.wert, recepieVote.beschreibung];
    if(DEBUG) console.log(query);
req.db.query(query, values, (err, rs) => {
  if (err) {
    next(err);
  } else {
    query =  "SELECT avg(wert) as rating FROM rezept_wertung WHERE rezept = $1";
    values = [req.recepieId];


    req.db.query(query, values, (err, rs) => {
      if (err){
          next(err);
        } else {
          let result  = {};
          result = rs.rows[0];
          res.status(200).json(result);
      }
    });
  }
});

});

module.exports = router;