/**
 * Created by edisoni on 04.03.16.
 */

var express = require('express');
var app = express();
var port = process.env.PORT || 3000;

const jwt = require('jsonwebtoken');
const passport = require('passport');
const Strategy = require('passport-local');
var morgan = require('morgan');

app.use(morgan('combined'))
app.use(passport.initialize());

passport.use(new Strategy(
    function (username, password, done) {
        console.log(username);
        // database dummy - find user and verify password
        if (username === 'Edisoni' && password === '666') {
            done(null, {
                id: 666,
                firstname: 'Edisoni',
                lastname: 'name',
                email: 'edi@mail.ru',
                verified: true
            });
        }
        else {
            done(null, false);
        }
    }
));



function serialize(req, res, next) {
    console.log('serialize');
    db.updateOrCreate(req.user, function(err, user){
        if(err) {return next(err);}
        // we store the updated information in req.user again
        req.user = {
            id: user.id
        };
        next();
    });
}

const db = {
    updateOrCreate: function(user, cb){
        // db dummy, we just cb the user
        cb(null, user);
    }
};

function generateToken(req, res, next) {
    req.token = jwt.sign({
        id: req.user.id,
    }, 'server secret', {
        expiresInMinutes: 120
    });
    next();
}

function respond(req, res) {
    res.status(200).json({
        user: req.user,
        token: req.token
    });
}

app.post('/auth',
    passport.authenticate( 'local', {
            session: false
        }), serialize, generateToken, respond);




app.listen(port, function () {
    console.log('Listening on port ', port)
});