var express = require('express');
const app = require('express')()
const mongo = require('mongodb').MongoClient;
const client = require('socket.io').listen(4000).sockets;
const port = 3000;
const http = require('http').Server(app);
var mongoose = require('mongoose');
var session = require('express-session');
var MongoStore = require('connect-mongo')(session);
var cors = require('cors');
var path = require('path');

app.use(function(req, res, next) {
    res.header("Access-Control-Allow-Origin", "*");
    res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
    next();
});


//set app to use ejs
app.set('view engine', 'ejs')

// set views dir for ejs
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');


// serve static files from template
app.use(express.static(__dirname + '/'));


// include routes
var routes = require('./routes/router');
app.use('/', routes);



// Connect to mongo

mongoose.connect('mongodb://...', function(err, db) {
    if (err) {
        throw err;
    }
    // Set db log connection was a success
    var db = mongoose.connection;
    console.log('MongoDB connected...');

    ///////////////////////// not sure if needed
    //use sessions for tracking logins
    app.use(session({
        secret: 'work hard',
        resave: false,
        saveUninitialized: true,
        store: new MongoStore({
            mongooseConnection: db
        })
    }));
    ///////////////////////////////

    // Connect to Socket.io
    client.on('connection', function(socket) {
        //Retrieve user model
        var userModel = require('./models/user');


        // Handle user registration
        socket.on('register', function(data) {
            console.log(data.Username);

            //The data that will get sent.

            var newUser = userModel({
                    Username: data.Username,
                    Password: data.Password
                })
                // Save new user data
            newUser.save(function(err) {
                console.log("New user registered");
            })
        });

        // Handle user login
        socket.on('login', function(data) {
            // console.log(data.Username);
            // ["I'm the data that will get sent."
            usernameFindMe = data.Username;
            passwordFindMe = data.Password;

            userModel.findOne({
                Username: usernameFindMe,
                Password: passwordFindMe
            }, function(err, user) {
                if (err) {
                    console.log('err');
                }
                if (!user) {
                    console.log('OH NOOOOOOOOOO');

                } else {
                    console.log('yay');

                    module.exports.yourUserName = usernameFindMe;
                    var destination = '/';
                    client.emit('redirect', destination);
                }

            })

        });

    });
});
//Start the Server
http.listen(port, function() {
    console.log('listening on *:' + port);
});

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




//get variables from server
var sourceFile = require('./../server');






// Default Variables
userName = 'Not Logged In';



// GET route for dashboard
router.get('/', function(req, res, next) {
  res.render('index.ejs', {

  });
  // set variables
  function setRandom() {
    if (sourceFile.yourUserName == null){
      userName = 'Not Logged In';
  }
  else{
    userName = sourceFile.yourUserName;
    console.log(userName);
  }
}
setRandom();
setInterval(setRandom, 200);


});

// GET route for dashboard
router.get('/register', function(req, res, next) {
    res.render('register.ejs', {

    });
    // set variables
    userName = sourceFile.yourUserName;

    // log username for development
    console.log(userName);
});


module.exports = router;