const express = require('express');
const router = express.Router();

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

const { ObjectID } = require('mongodb');

var mongoose = require('mongoose');
const cfgserver = mongoose.model('cfgserver');

const _ = require('lodash');

var { User } = require('../models/user');


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

var server_constants = require('../tools/server_constants');


router.post(process.env.LINKVERIF_REG, (req, res) => {
  var body = _.pick(req.body, ['idapp', 'idlink']);
  var idapp = body.idapp;
  var idlink = body.idlink;
  console.log("LINKVERIF_REG POST " + process.env.LINKVERIF_REG + " idapp= " + idapp + " idlink = " + idlink);

  // Cerco l'idlink se è ancora da Verificare

  User.findByLinkreg(idapp, idlink).then((user) => {
    if (!user) {
      //console.log("NON TROVATO!");
      return res.status(404).send();
    } else {
      if (user.verified_email) {
        res.send({
          code: server_constants.RIS_CODE_EMAIL_ALREADY_VERIFIED,
          msg: res.__("L'Email è già stata Verificata.")
        });
      } else {
        user.verified_email = true;
        user.save().then(() => {
          //console.log("TROVATOOOOOO!");
          res.send({ code: server_constants.RIS_CODE_EMAIL_VERIFIED, msg: res.__('Email Verificata!') });
        });
      }
    }
  }).catch((e) => {
    console.log(e);
    res.status(400).send();
  });

});


// Faccio richiesta di una Nuova Password
router.post(process.env.LINK_REQUEST_NEWPASSWORD, (req, res) => {
  var body = _.pick(req.body, ['idapp', 'email']);
  var idapp = body.idapp;
  var email = body.email;
  console.log("POST " + process.env.LINK_REQUEST_NEWPASSWORD + " idapp= " + idapp + " email = " + email);

  User.findByEmail(idapp, email).then((user) => {
    if (!user) {
      return res.status(404).send();
    } else {
      // Creo il tokenforgot
      user.tokenforgot = jwt.sign(user._id.toHexString(), process.env.SIGNCODE).toString();
      user.date_tokenforgot = new Date();
      user.save().then(() => {
        sendemail.sendEmail_RequestNewPassword(res.locale, user.email, user.idapp, user.tokenforgot);
        res.send({ code: server_constants.RIS_CODE_OK, msg: '' });
      });
    }
  }).catch((e) => {
    console.log(e);
    res.status(400).send();
    res.send({ code: server_constants.RIS_CODE_ERR, msg: e });
  });

});

router.get(process.env.LINK_CHECK_UPDATES, authenticate, (req, res) => {
  const userId = req.user._id;

  console.log("POST " + process.env.LINK_CHECK_UPDATES + " userId=" + userId);

  if (!ObjectID.isValid(userId)) {
    return res.status(404).send();
  }

  cfgserver.find().then((arrcfgrec) => {

    if (!arrcfgrec)
      return res.status(404).send();

    // ++Todo: Add to Log Stat ....

    if (req.user) {
      // If User is Admin, then send user Lists
      if (User.isAdmin(req.user)) {
        // Send UsersList
        return User.getUsersList(req.user.idapp).then(usersList => {
          return res.send({ cfgServer: arrcfgrec, usersList });
        })
      }
    }

    res.send({ cfgServer: arrcfgrec });

  }).catch((e) => {
    console.log(e);
    res.status(400).send({ code: server_constants.RIS_CODE_ERR, msg: e });
  });

});


// Invio la Nuova Password richiesta dal reset!
// Ritorna il token per poter effettuare le chiamate...
router.post(process.env.LINK_UPDATE_PASSWORD, (req, res) => {
  var body = _.pick(req.body, ['idapp', 'email', 'tokenforgot', 'password']);
  var idapp = body.idapp;
  var email = body.email;
  var tokenforgot = body.tokenforgot;
  var password = body.password;
  console.log("POST " + process.env.LINK_UPDATE_PASSWORD + " idapp= " + idapp + " email = " + email + " tokenforgot = " + tokenforgot);

  User.findByLinkTokenforgot(idapp, email, tokenforgot).then((user) => {
    if (!user) {
      return res.status(404).send();
    } else {
      // aggiorna la nuova password
      user.password = password;

      // Crea token
      user.generateAuthToken(req).then(token => {
        user.tokenforgot = '';  // Svuota il tokenforgot perché non ti servirà più...

        // Salva lo User
        user.save().then(() => {
          res.header('x-auth', token).send({user});   // Ritorna il token di ritorno
        });
      })
    }
  }).catch((e) => {
    console.log(e);
    res.status(400).send();
  });

});

function getTableByTableName(tablename) {

  if (tablename === 'users')
    mytable = User;
  else if (tablename === 'booking')
    mytable = Booking;

  return mytable
}

router.post('/gettable', authenticate, (req, res) => {
  const params = req.body;
  const mytable = getTableByTableName(params.table);

  return mytable.queryTable(req.user.idapp, params).then(ris => {
    // tools.mylog('list', ris);
    return res.send(ris);
  }).catch((e) => {
    console.log(e);
    res.status(400).send(e);
  });

});

router.patch('/chval', authenticate, (req, res) => {
  // const idapp = req.body.idapp;
  const id = req.body.data.id;
  const mydata = req.body.data;

  const mytable = getTableByTableName(mydata.table);
  const fieldsvalue = mydata.fieldsvalue;

  tools.mylogshow('PATCH CHVAL: ', id);

  if (!User.isAdmin(req.user) && !User.isManager(req.user)) {
    // If without permissions, exit
    return res.status(404).send({ code: server_constants.RIS_CODE_ERR_UNAUTHORIZED, msg: '' });
  }

  mytable.findByIdAndUpdate(id, { $set: fieldsvalue }).then((rec) => {
    tools.mylogshow(' REC TO MODIFY: ', rec);
    if (!rec) {
      return res.status(404).send();
    } else {
      res.send({ code: server_constants.RIS_CODE_OK, msg: '' });
    }

  }).catch((e) => {
    tools.mylogserr('Error patch USER: ', e);
    res.status(400).send();
  })
});

router.delete('/delrec/:table/:id', authenticate, (req, res) => {
  const id = req.params.id;
  const tablename = req.params.table;
  // const idapp = req.body.idapp;

  console.log('id', id , 'table', tablename);

  const mytable = getTableByTableName(tablename);

  if (!User.isAdmin(req.user) && !User.isManager(req.user)) {
    // If without permissions, exit
    return res.status(404).send({ code: server_constants.RIS_CODE_ERR_UNAUTHORIZED, msg: '' });
  }

  mytable.findByIdAndRemove(id).then((rec) => {
    if (!rec) {
      return res.status(404).send();
    }

    tools.mylog('DELETED ', rec._id);

    res.send({ code: server_constants.RIS_CODE_OK, msg: '' });
  }).catch((e) => {
    res.status(400).send();
  });
});



module.exports = router;