var express = require('express');
var router = express.Router();
var dbConnect = require('../../configs/db_config');
var keyGenerator = require('shortid');
var key = '';

/* GET register page. */
router.get('/', function (req, res, next) {
    if (req.session.user) {
        res.redirect('/');
    } else {
        res.render('authorization_views/register');
    }
});

/* POST register form data. */
router.post('/', function (req, res, next) {
    if (typeof newUser === 'undefined') {
        // generate user key
        for (var i = 0; i < 5; i++) {
            key += keyGenerator.generate();
        }
        var newUser = {
            userId: '',
            userLogin: req.body.loginInput,
            userPassword: req.body.passwordInput,
            userEmail: req.body.emailInput,
            userRegisterDate: 'dodać czas rejestracji',
            active: key
        };
        var confirmPass = {
            confirmPassword: req.body.confPasswordInput
        };
        //check passwords
        if (newUser.userPassword !== confirmPass.confirmPassword) {
            res.render('authorization_views/register', {
                result: 'Passwords must be the same', login: newUser.userLogin,
                email: newUser.userEmail
            });
        } else if (newUser.userPassword === confirmPass.confirmPassword) {
            //check if user exists
            dbConnect.query("SELECT * from users WHERE userLogin=? AND userPassword=?", [newUser.userLogin, newUser.userPassword], function (error, result) {
                if ((result.length >= 1)) {
                    res.render('authorization_views/register', {
                        result: 'User already exists', login: newUser.userLogin,
                        email: newUser.userEmail
                    });
                } else {
                //check if email exists
                var checkEmail = dbConnect.query("SELECT * from users WHERE userEmail=?", [newUser.userEmail], function (error, result) {
                    if (result.length >= 1) {
                        res.render('authorization_views/register', {
                            result: 'Email already exists', login: newUser.userLogin,
                            email: newUser.userEmail
                        });
                    } else {
                    //add new user if everything ok
                    dbConnect.query("INSERT into users SET ?", newUser, function (error, rows) {
                        if (!error) {
                            res.redirect('/register_mail?active=' + key + '&email=' + newUser.userEmail);
                        }
                    })
                    }
                })
                }
            })
        }
    }
});
module.exports = router;