<?php

/**
 * @package     Joomla.Site
 * @subpackage  com_banners
 *
 * @copyright   (C) 2006 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Banners\Site\Service;

use Joomla\CMS\Component\Router\RouterBase;

/**
 * Routing class from com_banners
 *
 * @since  3.3
 */
class Router extends RouterBase
{
    /**
     * Build the route for the com_banners component
     *
     * @param   array  $query  An array of URL arguments
     *
     * @return  array  The URL arguments to use to assemble the subsequent URL.
     *
     * @since   3.3
     */
    public function build(&$query)
    {
        $segments = array();

        if (isset($query['task'])) {
            $segments[] = $query['task'];
            unset($query['task']);
        }

        if (isset($query['id'])) {
            $segments[] = $query['id'];
            unset($query['id']);
        }

        $total = \count($segments);

        for ($i = 0; $i < $total; $i++) {
            $segments[$i] = str_replace(':', '-', $segments[$i]);
        }

        return $segments;
    }

    /**
     * Parse the segments of a URL.
     *
     * @param   array  $segments  The segments of the URL to parse.
     *
     * @return  array  The URL attributes to be used by the application.
     *
     * @since   3.3
     */
    public function parse(&$segments)
    {
        $total = \count($segments);
        $vars = array();

        for ($i = 0; $i < $total; $i++) {
            $segments[$i] = preg_replace('/-/', ':', $segments[$i], 1);
        }

        // View is always the first element of the array
        $count = \count($segments);

        if ($count) {
            $count--;
            $segment = array_shift($segments);

            if (\is_numeric($segment)) {
                $vars['id'] = $segment;
            } else {
                $vars['task'] = $segment;
            }
        }

        if ($count) {
            $segment = array_shift($segments);

            if (\is_numeric($segment)) {
                $vars['id'] = $segment;
            }
        }

        return $vars;
    }
}
