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

class Auth extends MY_Controller {

    public function __construct()
    {
        parent::__construct();

        $this->load->config('auth');
        $this->load->language('auth');
        $this->load->library('Auth_lib', '', 'auth'); // We give the auth library an alias (auth)
        $this->load->library('messages', array('lang' => 'auth'));
        $this->load->library('form_validation');
        $this->load->helper('form');
    }

    function index()
    {
        redirect(index_page());
    }

    /**
     * Resend activation key
     */
     function resend_activation_key()
     {
        $this->view_data['title'] = lang('resend_activation_key');

        if ($this->auth->logged_in())
        {
            redirect(base_url());
        }

        if ($_POST)
        {
            $email = $this->input->post('email');

            if ($this->auth->resend_activation_key($email)) // success
            {
                $this->messages->get();
                redirect(index_page());
            }
            else // failed
            {
                $this->messages->get();
                redirect('resend-activation-key');
            }

        }
        else // show form
        {
            $this->view_data['email'] = array(
                'type'          =>  'text',
                'name'          =>  'email',
                'id'            =>  'email',
                'value'         =>  $this->form_validation->set_value('email'),
                'placeholder'   =>  lang('resend_activation_key_email'),
                'autocomplete'  =>  'off'
            );
        }
     }

    /**
     * Activate
     */
     function activate()
     {
        $key = $this->uri->segment(2);

        if ($key)
        {
            if ($this->auth->activate($key)) // Successfully activated
            {
                $this->messages->get();
                redirect(index_page());
            }
            else
            { // Activation failed
                $this->messages->get();
                redirect(index_page());
            }
        }
        else
        { // No code
            echo show_404();
        }
     }

    /**
     * Forgot password
     */
     function forgot_password()
     {
        $this->view_data['title'] = lang('forgot_password');

        if ($this->auth->logged_in())
        {
            redirect(base_url());
        }

        if ($_POST)
        {
            $email = $this->input->post('email');

            if ($this->auth->forgot_password($email)) // Success
            {
                $this->messages->get();
                redirect('forgot-password');
            }
            else // Failed
            {
                $this->messages->get();
                redirect('forgot-password');
            }
        }
        else // Show form
        {
            $this->view_data['email'] = array(
                'type'          =>  'text',
                'name'          =>  'email',
                'id'            =>  'email',
                'value'         =>  $this->form_validation->set_value('email'),
                'placeholder'   =>  lang('forgot_password_email'),
                'autocomplete'  =>  'off'
            );
        }
     }

     /**
      * Reset password
      */
     function reset_password()
     {
        $this->view_data['title'] = lang('reset_password');

        $user_id = $this->uri->segment(2);
        $key = $this->uri->segment(3);

        // Only show the form if the key is valid
        if ($user_id && $key && $this->auth->is_valid_password_recovery_key($user_id, $key))
        {
            $this->form_validation->set_rules('password', lang('reset_password_password'), 'required|min_length['.$this->config->item('min_password_length').']|max_length['.$this->config->item('max_password_length').']');
            $this->form_validation->set_rules('confirm_password', lang('reset_password_confirm_password'), 'matches[password]');

            if ($this->form_validation->run() == TRUE)
            {
                $password = $this->input->post('password');

                if ($this->auth->reset_password($user_id, $key, $password))
                {
                    $this->messages->get();
                    redirect('login');
                }
                else // For some reason change password failed
                {
                    $this->messages->get();
                    redirect('forgot-password');
                }
            }
            else // Show form
            {
                $this->view_data['password'] = array(
                    'type'          =>  'password',
                    'name'          =>  'password',
                    'id'            =>  'password',
                    'value'         =>  $this->form_validation->set_value('password'),
                    'placeholder'   =>  lang('reset_password_password'),
                    'autocomplete'  =>  'off'
                );

                $this->view_data['confirm_password'] = array(
                    'type'          =>  'password',
                    'name'          =>  'confirm_password',
                    'id'            =>  'confirm_password',
                    'value'         =>  $this->form_validation->set_value('confirm_password'),
                    'placeholder'   =>  lang('reset_password_confirm_password'),
                    'autocomplete'  =>  'off'
                );
            }
        }
        else
        {
            //$this->messages->set('error', $user_id . ' | ' . $key);
            $this->messages->get();
            redirect('forgot-password');
        }
     }

    /**
     * Login
     */
     function login()
     {
        $this->view_data['title'] = lang('login');

        if ($this->auth->logged_in())
        {
            redirect(base_url());
        }

        // Login
        if ($this->input->post('username') && $this->input->post('password'))
        {
            if ($this->auth->login($this->input->post('username'), $this->input->post('password'))) // Login success
            {
                $this->messages->get();
                redirect(index_page());
            }
            else // login failed
            {
                $this->messages->get();
                redirect('login');
            }
        }
        else // Show form
        {
            $this->view_data['username'] = array(
                'type'          =>  'text',
                'name'          =>  'username',
                'id'            =>  'username',
                'value'         =>  $this->form_validation->set_value('username'),
                'placeholder'   =>  lang('auth_username'),
                'autocomplete'  =>  'off'
            );

            $this->view_data['password'] = array(
                'type'          =>  'password',
                'name'          =>  'password',
                'id'            =>  'password',
                'placeholder'   =>  lang('auth_password'),
                'autocomplete'  =>  'off'
            );
        }

     }

    /**
     * Register
     */
    function register()
    {
        $this->view_data['title'] = lang('register');

        if ($this->auth->logged_in())
        {
            redirect(index_page());
        }

        // Check the config if registration is allowed
        if ($this->config->item('register_status') === 1) // Registration allowed
        {

            // Form validation
            $this->form_validation->set_rules('first_name', lang('auth_first_name'),'required|trim|alpha|xss_clean');
            $this->form_validation->set_rules('last_name',  lang('auth_last_name'), 'required|trim|alpha|xss_clean');
            $this->form_validation->set_rules('username',   lang('auth_username'),  'required|alpha_numeric|is_unique[users.username]|min_length['.$this->config->item('min_username_length').']|max_length['.$this->config->item('max_username_length').']');
            $this->form_validation->set_rules('email',      lang('auth_email'),     'required|valid_email|is_unique[users.email]');
            $this->form_validation->set_rules('password',   lang('auth_password'),  'required|min_length['.$this->config->item('min_password_length').']|max_length['.$this->config->item('max_password_length').']');

            if ($this->form_validation->run() == TRUE) // Validation true, register
            {
                $require_activation =   $this->config->item('manual_activation');

                $data['first_name'] = ucfirst(strtolower($this->input->post('first_name')));
                $data['last_name']  = ucfirst(strtolower($this->input->post('last_name')));
                $data['username']   = $this->input->post('username');
                $data['email']      = $this->input->post('email');
                $data['password']   = $this->input->post('password');

                if ($this->auth->register($data, $require_activation)) // Successfully registered
                {
                    $this->messages->get();
                    redirect(index_page());
                }
                else // Registration failed
                {
                    $this->messages->get();
                    redirect('register');
                }
            }
            else // Show form
            {
                $this->view_data['first_name'] = array(
                    'type'          =>  'text',
                    'name'          =>  'first_name',
                    'id'            =>  'first_name',
                    'value'         =>  $this->form_validation->set_value('first_name'),
                    'placeholder'   =>  lang('auth_first_name'),
                    'autocomplete'  =>  'off'
                );

                $this->view_data['last_name'] = array(
                    'type'          =>  'text',
                    'name'          =>  'last_name',
                    'id'            =>  'last_name',
                    'value'         =>  $this->form_validation->set_value('last_name'),
                    'placeholder'   =>  lang('auth_last_name'),
                    'autocomplete'  =>  'off'
                );

                $this->view_data['username'] = array(
                    'type'          =>  'text',
                    'name'          =>  'username',
                    'id'            =>  'username',
                    'value'         =>  $this->form_validation->set_value('username'),
                    'placeholder'   =>  lang('auth_username'),
                    'autocomplete'  =>  'off'
                );

                $this->view_data['email'] = array(
                    'type'          =>  'text',
                    'name'          =>  'email',
                    'id'            =>  'email',
                    'value'         =>  $this->form_validation->set_value('email'),
                    'placeholder'   =>  lang('auth_email'),
                    'autocomplete'  =>  'off'
                );

                $this->view_data['password'] = array(
                    'type'          =>  'password',
                    'name'          =>  'password',
                    'id'            =>  'password',
                    'placeholder'   =>  lang('auth_password'),
                    'autocomplete'  =>  'off'
                );
            }
        }
        else // No registration allowed
        {
            $this->view_data['message'] = message('warning', $this->config->item('register_status_reason'));
        }
    }

    /**
     * Logout
     */
     function logout()
     {
        if ( ! $this->auth->logged_in())
        {
            redirect(base_url());
        }

        $this->session->sess_destroy();
        $this->session->sess_create();

        echo flash('success', lang('logout_success'), base_url());
     }

}

/* End of file auth.php */
/* Location: ./application/controllers/auth.php */