const express = require('express');
const router = express.Router();
const webpush = require('web-push');

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

var { Todo } = require('../models/todo');

const _ = require('lodash');

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

const allfieldTodo = ['userId', 'pos', 'category', 'descr', 'priority', 'completed', 'created_at', 'modify_at',
  'completed_at', 'expiring_at', 'enableExpiring', 'id_prev', 'id_next', 'progress', 'modified'];

const allfieldTodoWithId = ['_id', ...allfieldTodo];


router.post('/:id', authenticate, (req, res) => {
  console.log('POST ', req.body);

  var body = _.pick(req.body, allfieldTodoWithId);
  var todo = new Todo(body);

  todo.modified = false;
  if (!todo.descr) {
    console.log('RECORD NON VALIDO !?', req.body)
  }

  sendNotificationToUser('New Post', 'New Post added!', '/' + todo.category);

  todo.save().then((doc) => {
    res.send(doc);
  }).catch((e) => {
    console.log(e.message);
    res.status(400).send(e);
  });
});

router.patch('/:id', authenticate, (req, res) => {
  var id = req.params.id;
  var body = _.pick(req.body, allfieldTodo);

  if (!ObjectID.isValid(id)) {
    console.log('ERROR: id not VALID', id);
    return res.status(404).send();
  }

  Todo.findByIdAndUpdate(id, {$set: body}, {new: true}).then((todo) => {
    if (!todo) {
      return res.status(404).send();
    }

    todo.modified = false

    res.send({todo});
  }).catch((e) => {
    res.status(400).send();
  })
});

function sendNotificationToUser(title, content, openUrl) {

  // Create payload
  const payload = JSON.stringify(
    {
      title,
      content,
      openUrl
    }
  );

  subscriptioncfg = {};

  // Pass object into sendNotification

  webpush.sendNotification(subscriptioncfg, payload).catch(err => console.error(err));

}



router.get('/:userId', authenticate, (req, res) => {
  var userId = req.params.userId;

  console.log('GET : ', req, req.params);

  // Extract all the todos of the userId only
  Todo.findAllByUserId(userId).then((todos) => {
    res.send({ todos });
  }).catch((e) => {
    console.log(e);
    res.status(400).send(e);
  });

});

router.delete('/:id', (req, res) => {
  var id = req.params.id;

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

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

    res.send({todo});
  }).catch((e) => {
    res.status(400).send();
  });
});

module.exports = router;