<?PHP
/**
 * patTemplate modfifier GeoURI
 *
 * $Id$
 *
 * @package patTemplate
 * @package Modifiers
 * @author gERD Schaufelberger <gerd@php-tools.net>
 */

/**
 * patTemplate modfifier GeoURI
 *
 * Geo URI for Firefox. This is sort of a hack
 *
 * @package patTemplate
 * @package Modifiers
 * @author gERD Schaufelberger <gerd@php-tools.net>
 */
class patTemplate_Modifier_Geouri extends patTemplate_Modifier
{
   /**
     * Modify the Value
     *
     * @param string value
     * @param array $params
     * @return string modified value
     */
    public function modify($value, $params = array())
    {
        $params =   array_merge(array(
                        'lat'   =>  '',
                        'lon'   =>  ''
                    ), $params);

        if (!empty($_SERVER['HTTP_USER_AGENT']) && stristr($_SERVER['HTTP_USER_AGENT'], 'firefox')) {
            // return sprintf('https://www.openstreetmap.org/directions/?to=%s,%s', $params['lat'], $params['lon']);
            return sprintf('https://www.google.com/maps/dir/?api=1&destination=%s,%s', $params['lat'], $params['lon']);
        }

        return sprintf('geo:%s,%s', $params['lat'], $params['lon']);
    }
}