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<?php
/**
 * @package         Regular Labs Library
 * @version         23.9.3039
 * 
 * @author          Peter van Westen <info@regularlabs.com>
 * @link            https://regularlabs.com
 * @copyright       Copyright © 2023 Regular Labs All Rights Reserved
 * @license         GNU General Public License version 2 or later
 */

/* @DEPRECATED */

defined('_JEXEC') or die;

if (is_file(JPATH_LIBRARIES . '/regularlabs/autoload.php'))
{
    require_once JPATH_LIBRARIES . '/regularlabs/autoload.php';
}

require_once dirname(__FILE__, 2) . '/assignment.php';
require_once dirname(__FILE__, 2) . '/text.php';
require_once dirname(__FILE__, 2) . '/mobile_detect.php';

class RLAssignmentsAgents extends RLAssignment
{
    var $agent  = null;
    var $device = null;

    /**
     * isDesktop
     */
    public function isDesktop()
    {
        return $this->getDevice() == 'desktop';
    }

    /**
     * isMobile
     */
    public function isMobile()
    {
        return $this->getDevice() == 'mobile';
    }

    /**
     * isPhone
     */
    public function isPhone()
    {
        return $this->isMobile();
    }

    /**
     * isTablet
     */
    public function isTablet()
    {
        return $this->getDevice() == 'tablet';
    }

    /**
     * passBrowsers
     */
    public function passBrowsers()
    {
        if (empty($this->selection))
        {
            return $this->pass(false);
        }

        foreach ($this->selection as $browser)
        {
            if ( ! $this->passBrowser($browser))
            {
                continue;
            }

            return $this->pass(true);
        }

        return $this->pass(false);
    }

    /**
     * passDevices
     */
    public function passDevices()
    {
        $pass = (in_array('mobile', $this->selection) && $this->isMobile())
            || (in_array('tablet', $this->selection) && $this->isTablet())
            || (in_array('desktop', $this->selection) && $this->isDesktop());

        return $this->pass($pass);
    }

    /**
     * passOS
     */
    public function passOS()
    {
        return self::passBrowsers();
    }

    /**
     * getAgent
     */
    private function getAgent()
    {
        if ( ! is_null($this->agent))
        {
            return $this->agent;
        }

        $detect = new RLMobile_Detect;
        $agent  = $detect->getUserAgent();

        switch (true)
        {
            case (stripos($agent, 'Trident') !== false):
                // Add MSIE to IE11
                $agent = preg_replace('#(Trident/[0-9\.]+; rv:([0-9\.]+))#is', '\1 MSIE \2', $agent);
                break;

            case (stripos($agent, 'Chrome') !== false):
                // Remove Safari from Chrome
                $agent = preg_replace('#(Chrome/.*)Safari/[0-9\.]*#is', '\1', $agent);
                // Add MSIE to IE Edge and remove Chrome from IE Edge
                $agent = preg_replace('#Chrome/.*(Edge/[0-9])#is', 'MSIE \1', $agent);
                break;

            case (stripos($agent, 'Opera') !== false):
                $agent = preg_replace('#(Opera/.*)Version/#is', '\1Opera/', $agent);
                break;
        }

        $this->agent = $agent;

        return $this->agent;
    }

    /**
     * setDevice
     */
    private function getDevice()
    {
        if ( ! is_null($this->device))
        {
            return $this->device;
        }

        $detect = new RLMobile_Detect;

        $this->is_mobile = $detect->isMobile();

        switch (true)
        {
            case($detect->isTablet()):
                $this->device = 'tablet';
                break;

            case ($detect->isMobile()):
                $this->device = 'mobile';
                break;

            default:
                $this->device = 'desktop';
        }

        return $this->device;
    }

    /**
     * passBrowser
     */
    private function passBrowser($browser = '')
    {
        if ( ! $browser)
        {
            return false;
        }

        if ($browser == 'mobile')
        {
            return $this->isMobile();
        }

        if ( ! (strpos($browser, '#') === 0))
        {
            $browser = '#' . RLText::pregQuote($browser) . '#';
        }

        // also check for _ instead of .
        $browser = preg_replace('#\\\.([^\]])#', '[\._]\1', $browser);
        $browser = str_replace('\.]', '\._]', $browser);

        return preg_match($browser . 'i', $this->getAgent());
    }
}