const VKontakteStrategy = require('passport-vkontakte').Strategy;
var express = require('express');
var passport = require('passport');
var app = express();




app.use(require('cookie-parser')());
app.use(require('body-parser').urlencoded({extended: true}));
app.use(require('express-session')({secret:'keyboard cat', resave: true, saveUninitialized: true}));
app.use(passport.initialize());
app.use(passport.session());

passport.use(new VKontakteStrategy(
  {
    clientID:     API_ID, // VK.com docs call it 'API ID', 'app_id', 'api_id', 'client_id' or 'apiId'
    clientSecret: "SECRET_TOKEN",
    callbackURL:  "https://localhost:3000/auth/vkontakte/callback "
  },
  function myVerifyCallbackFn(accessToken, refreshToken, params, profile, done) {

    console.log(params);

  }
));

// User session support for our hypothetical `user` objects.
passport.serializeUser(function(user, done) {
    done(null, user.id);
});

passport.deserializeUser(function(id, done) {

});

app.get('/auth/vkontakte/callback',
  passport.authenticate('vkontakte', { scope: ['status', 'email', 'friends', 'notify', 'groups', 'offline'] }));

app.get('/', function(req, res) {
    //Here you have an access to req.user

});


app.listen(3000, function () {
  console.log('Example app listening on port 3000!');
});