const express = require('express');

const path = require('path');

const http = require('http');

const bodyParser = require('body-parser');

const cookieParser = require('cookie-parser');

const mongoose = require('mongoose');

const passport = require('passport');

const logger = require('morgan');

const session = require('express-session');

const flash = require('connect-flash');

const jwt = require('jsonwebtoken');

let configDB = require('./config/database');

mongoose.Promise = global.Promise;

mongoose.connect(configDB.url, {

useMongoClient: true

}); // connect to database

require('./config/passport')(passport); //pass passport for configuration

//GET OUR API ROUTES

const api = require('./server/route/api');

const app = express();

app.use(logger('dev'));

//PARSER FOR POST DATA

app.use(bodyParser.json());

app.use(bodyParser.urlencoded({ extended: true }));

// Cookie Parser

app.use(cookieParser());

//Handle session

app.use(session( {secret: 'iloverockandroll',

resave: true,

saveUninitialized: false

})); //Session secret

// Passport.js

app.use(passport.initialize());

app.use(passport.session());

app.use(flash());

//Points STATIC FILES TO DIST

app.use( express.static(path.join(__dirname, 'dist')));

//SET API ROUTES

app.use('/api', api);

app.get('*',(req, res) => {

res.sendFile(path.join(__dirname,'dist/index.html'));

});

/*GET port from environment and store in express

*/

const port = process.env.port || '3000';

app.set('port', port);

//CREATE HTTP SERVER

const server = http.createServer(app);

// PiggyBack WebSocket on HTTP Server

const io = require('socket.io')(server);

//Hold connected user list

let users = [];

io.on('connection', (socket)=> {

console.log('A User Connected', socket.id);

socket.on('send-nickname', function (nickname) {

socket.nickname= nickname;

users.push(socket.nickname);

console.log(users);

});

socket.on('disconnect', () =>{

console.log('A User Disconnected');

});

socket.on('add-user', (username) => {

console.log(username +' Logged in');

//storing variable

socket.username = username;

users[socket.id] = socket.username;

// Tell everyone

socket.broadcast.emit( 'broadcast', {description: username + ' Logged in'});

//TODO: Getting all users list

// TODO: Sending all users list, and setting if online or offline

});

socket.on('add-message', (message) => {

io.emit('message', { text: message, name: socket.nickname})

});

socket.on('typing', () => {

socket.broadcast.emit('typing', socket.username + " is typing..")

})

});

server.listen(port, ()=> console.log(`API running on localhost:${port}`));