const express = require('express');
const app = express();

app.use(express.json());
app.use(express.urlencoded());

const MongoClient = require('mongodb').MongoClient;
const assert = require('assert');

const url = 'mongodb://anil:Passw0rd@ds225543.mlab.com:25543/mymongodb';

app.get('/', (req, res) => {
    res.sendFile(__dirname + '/index.html');
});

app.post('/login', (req, res) => {
    console.log(req.body);
    var username = req.body.username;
    var password = req.body.password;

    MongoClient.connect(url, function(err, database) {
        if(err) { return console.dir(err); }
        const mymongodb = database.db('mymongodb')
        var collection = mymongodb.collection('login')
        collection.findOne({user: username}, function(err, document) {
            var db_password = document.password;
            if(password == db_password) {
                res.send('Login successful.');
            } else {
                res.send('Login failed.');
            }
        });
    });
});

app.listen(3000, () => console.log('Gator app listening on port 3000!'));