const express = require('express');
const router = express.Router();
const mongoose = require('mongoose').set('debug', false);
const { CfgServer } = require('../models/cfgserver');

const shared_consts = require('../tools/shared_nodejs');

const tools = require('../tools/general');

const { City } = require('../models/city');
const Product = require('../models/product');

var { authenticate } = require('../middleware/authenticate');

router.post('/updateval', authenticate, async (req, res) => {
  console.log('/updateval', req.body.pairval);
  idapp = req.body.idapp;
  pair = req.body.pairval;

  return await CfgServer.findOneAndUpdate(
    { chiave: pair.chiave, idapp, userId: pair.userId }, { $set: pair },
    { new: false }).then((item) => {
      // CfgServer.find({ chiave: pair.chiave }, (err, item) => {
      if (!!item) {
        res.status(200).send();
      } else {
        res.status(400).send();
      }
    }).catch(err => {
      console.log('ERR:', err);
      res.status(400).send();
    });

});

router.post('/import', authenticate, async (req, res) => {
  const cmd = req.body.cmd;
  const idapp = req.body.idapp;
  const data = req.body.data;

  try {
    const liste = require('../data/liste');

    if (cmd === shared_consts.Cmd.CITIES_SERVER) {
      return await City.insertMany(liste.Comuni).then((ris) => {
        return res.status(200).send(true);
      });

    } else if (cmd === shared_consts.Cmd.PRODUCTS) {

      let dataObjects = JSON.parse(`[${data}]`);

      let updated = 0;
      let imported = 0;
      let errors = 0;

      for (const product of dataObjects) {
        if (!product.hasOwnProperty('active')) {
          product.active = true;
        }
        let risrec = await Product.findOneAndUpdate({ code: product.code }, { $set: product }, { new: true, upsert: true });

        let recnew = await Product.findOne({ code: product.code }).lean();

        if (risrec) {
          if (risrec._id) {
            // Record existed, so it was updated
            let arrfieldchange = tools.differentObjects(product, recnew);
            if (arrfieldchange.length > 0) {
              updated++;
              console.log('Changed: ', product.name + ': ' + arrfieldchange);
            }
          } else {
            // Record didn't exist, so it was created
            imported++;
          }
        } else {
          // risrec is null or undefined, indicating an error
          console.error('Error: ', product.name);
          errors++;
        }

        await Product.singlerecconvert_AfterImport(idapp, recnew);
      }

      // L'opzione ordered: false gestisce gli errori senza interrompere l'inserimento
      /*return await Product.insertMany(dataObjects, { ordered: false })
        .then((ris) => {

          Product.convertAfterImport(idapp, dataObjects).then((ris) => {
            return res.status(200).send(true);
          });


        })
        .catch((errors) => {
          console.error(errors);
          Product.convertAfterImport(idapp).then((ris) => {
            return res.status(200).send(true);
          });
        });*/

      return res.status(200).send({ updated, imported, errors });

    }
  } catch (e) {
    console.error('e', e);
    res.status(400).send();
  }

  res.status(400).send();

});

module.exports = router;