<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Login extends CI_Controller {

    public function index() {  // Default method for this controller
        page();
    }

    public function page()
    {
        $this->load->helper('url');
        $this->load->helper('html');
        $this->load->library('session');
        $error = '';

        if ($this->input->post('submit')) {
            $error = $this->userVerify();
        }
        if ($this->session->userdata('logged_in') === NULL){
            $title = 'Northwind Login';
            $data = array('title' => $title,
                          'error' => $error);

            $data['content'] = $this->load->view(
                      'login/loginPage',
                      $data, TRUE);
            $this->load->view('templates/master', $data);
        } else {
                    $title = 'Northwind Login Success';
                    $data = array('title'  => $title);
                    $data['content'] = $this->load->view(
                      'login/successPage',
                      $data, TRUE);
                    $this->load->view('templates/master', $data);
        }
    }

    private function userVerify() {

        $this->load->model('userbase');
        $username = $this->input->post('username');
        $password = $this->input->post('password');

        $message = '';

        try {
            $result = $this->userbase->read($username, $password);
            $this->session->set_userdata('logged_in', $result);

        } catch (Exception $e) {
            $message = $e->getMessage();
        }

        return $message;
    }
}