<?php defined('BLUDIT') or die('Bludit CMS.');

class Session {

    private static $started = false;
    private static $sessionName = 'BLUDIT-KEY';

    public static function start($path, $secure)
    {
        // Try to set the session timeout on server side, 1 hour of timeout
        ini_set('session.gc_maxlifetime', SESSION_GC_MAXLIFETIME);

        // Gets current cookies parameters
        $cookieParams = session_get_cookie_params();

        if (empty($path)) {
            $path = '/';
        }

        session_set_cookie_params([
            'lifetime' => $cookieParams["lifetime"],
            'path' => $path,
            'domain' => $cookieParams["domain"],
            'secure' => $secure,
            'httponly' => true,
            'samesite' => 'Lax'
        ]);

        // Sets the session name
        session_name(self::$sessionName);

        // Start session
        self::$started = session_start();

        if (!self::$started) {
            Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to start the session.');
        }
    }

    public static function started()
    {
        return self::$started;
    }

    public static function destroy()
    {
        session_destroy();
        unset($_SESSION);
        unset($_COOKIE[self::$sessionName]);
        Cookie::set(self::$sessionName, '', -1);
        self::$started = false;
        Log::set(__METHOD__.LOG_SEP.'Session destroyed.');
        return !isset($_SESSION);
    }

    public static function set($key, $value)
    {
        $key = 's_'.$key;

        $_SESSION[$key] = $value;
    }

    public static function get($key)
    {
        $key = 's_'.$key;

        if (isset($_SESSION[$key])) {
            return $_SESSION[$key];
        }
        return false;
    }

    public static function remove($key)
    {
        $key = 's_'.$key;

        unset($_SESSION[$key]);
    }
}