<?php
class Login extends CI_Controller {

    function __construct()
    {
        parent::__construct('login');
        $this->lang->load('login');
        $this->load->helper('form');
        $this->load->library('session');

        $this->load->database();
    }
    public function index()
    {
        error_log('LOGIN PAGE DISPLAYED. COOKIE derniere_page=' . ($_COOKIE['derniere_page'] ?? 'NONE'));
        error_log('LOGIN SESSION: '.print_r($this->session->userdata(), true));
        $data['test']='ss';
        if (!empty($_SERVER['HTTP_REFERER'])) {
            $this->session->set_userdata('redirect_after_login', $_GET['redirect'] ?? '/');
        }

        $this->load->view('login/login',$data );

        $this->load->view('login/footer', $data);
    }


    public function view($page = 'home')
    {
        if ( ! file_exists(APPPATH.'views/pages/'.$page.'.php'))
        {
            // Whoops, we don't have a page for that!
            show_404();
        }

        $data['title'] = ucfirst($page); // Capitalize the first letter

        $this->load->view('templates/header', $data);
        $this->load->view('pages/'.$page, $data);
        $this->load->view('templates/footer', $data);
    }
    public function valide()
    {error_log('LOGIN VALIDATION START');
        $this->db->select('*');
        $this->db->from('usa_usagers');
        $this->db->where("usa_login ", $_POST['user']);

        $query = $this->db->get();
        $sortie = $query->row();

        if ($sortie != null) {

            if ($sortie->usa_password == $_POST['password']) {

                $newdata = array(
                    'username'  => $sortie->usa_prenom.' '.$sortie->usa_nom,
                    'email'     => $sortie->usa_courriel,
                    'id'        => $sortie->usa_id,
                    'logged_in' => TRUE
                );

                $this->session->set_userdata($newdata);

                // ===== AJOUT ICI =====
                $token = bin2hex(random_bytes(32));

                $this->db->insert('auth_tokens', [
                    'user_id'    => $sortie->usa_id,
                    'token'      => $token,
                    'expires_at' => date('Y-m-d H:i:s', time()+86400),
                    'ip'         => $_SERVER['REMOTE_ADDR'] ?? null,
                    'user_agent' => $_SERVER['HTTP_USER_AGENT'] ?? null
                ]);

                setcookie(
                    'auth_token',
                    $token,
                    time()+86400,
                    '/',
                    '',
                    isset($_SERVER['HTTPS']),
                    true
                );


                // ===== FIN AJOUT =====

                $page = $_COOKIE['derniere_page'] ?? null;

                if ($page) {
                    setcookie('derniere_page','',time()-3600,'/');
                    header("Location: ".$page);
                    exit;
                }
                    redirect('/');

            }

            redirect('/login');
        }

        redirect('/login');
    }

    public function logout()
    {


        $token = $_COOKIE['auth_token'] ?? null;

        if ($token) {
            $this->db->where('token', $token);
            $this->db->delete('auth_tokens');
        }

        setcookie('auth_token','',time()-3600,'/');

        $this->session->sess_destroy();

        redirect('/login');
    }
}