<?php

/**
 * @package     Joomla.Administrator
 * @subpackage  com_users
 *
 * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Users\Administrator\Helper;

use Joomla\CMS\Access\Access;
use Joomla\CMS\Factory;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Language\Text;
use Joomla\Utilities\ArrayHelper;

// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects

/**
 * Users component debugging helper.
 *
 * @since  1.6
 */
class DebugHelper
{
    /**
     * Get a list of the components.
     *
     * @return  array
     *
     * @since   1.6
     */
    public static function getComponents()
    {
        // Initialise variable.
        $db = Factory::getDbo();
        $query = $db->getQuery(true)
            ->select('name AS text, element AS value')
            ->from('#__extensions')
            ->where('enabled >= 1')
            ->where('type =' . $db->quote('component'));

        $items = $db->setQuery($query)->loadObjectList();

        if (count($items)) {
            $lang = Factory::getLanguage();

            foreach ($items as &$item) {
                // Load language
                $extension = $item->value;
                $source = JPATH_ADMINISTRATOR . '/components/' . $extension;
                $lang->load("$extension.sys", JPATH_ADMINISTRATOR)
                    || $lang->load("$extension.sys", $source);

                // Translate component name
                $item->text = Text::_($item->text);
            }

            // Sort by component name
            $items = ArrayHelper::sortObjects($items, 'text', 1, true, true);
        }

        return $items;
    }

    /**
     * Get a list of the actions for the component or code actions.
     *
     * @param   string  $component  The name of the component.
     *
     * @return  array
     *
     * @since   1.6
     */
    public static function getDebugActions($component = null)
    {
        $actions = array();

        // Try to get actions for the component
        if (!empty($component)) {
            $component_actions = Access::getActionsFromFile(JPATH_ADMINISTRATOR . '/components/' . $component . '/access.xml');

            if (!empty($component_actions)) {
                foreach ($component_actions as &$action) {
                    $descr = (string) $action->title;

                    if (!empty($action->description)) {
                        $descr = (string) $action->description;
                    }

                    $actions[$action->title] = array($action->name, $descr);
                }
            }
        }

        // Use default actions from configuration if no component selected or component doesn't have actions
        if (empty($actions)) {
            $filename = JPATH_ADMINISTRATOR . '/components/com_config/forms/application.xml';

            if (is_file($filename)) {
                $xml = simplexml_load_file($filename);

                foreach ($xml->children()->fieldset as $fieldset) {
                    if ('permissions' == (string) $fieldset['name']) {
                        foreach ($fieldset->children() as $field) {
                            if ('rules' == (string) $field['name']) {
                                foreach ($field->children() as $action) {
                                    $descr = (string) $action['title'];

                                    if (isset($action['description']) && !empty($action['description'])) {
                                        $descr = (string) $action['description'];
                                    }

                                    $actions[(string) $action['title']] = array(
                                        (string) $action['name'],
                                        $descr
                                    );
                                }

                                break;
                            }
                        }
                    }
                }

                // Load language
                $lang = Factory::getLanguage();
                $extension = 'com_config';
                $source = JPATH_ADMINISTRATOR . '/components/' . $extension;

                $lang->load($extension, JPATH_ADMINISTRATOR, null, false, false)
                    || $lang->load($extension, $source, null, false, false)
                    || $lang->load($extension, JPATH_ADMINISTRATOR, $lang->getDefault(), false, false)
                    || $lang->load($extension, $source, $lang->getDefault(), false, false);
            }
        }

        return $actions;
    }

    /**
     * Get a list of filter options for the levels.
     *
     * @return  array  An array of \JHtmlOption elements.
     */
    public static function getLevelsOptions()
    {
        // Build the filter options.
        $options = array();
        $options[] = HTMLHelper::_('select.option', '1', Text::sprintf('COM_USERS_OPTION_LEVEL_COMPONENT', 1));
        $options[] = HTMLHelper::_('select.option', '2', Text::sprintf('COM_USERS_OPTION_LEVEL_CATEGORY', 2));
        $options[] = HTMLHelper::_('select.option', '3', Text::sprintf('COM_USERS_OPTION_LEVEL_DEEPER', 3));
        $options[] = HTMLHelper::_('select.option', '4', '4');
        $options[] = HTMLHelper::_('select.option', '5', '5');
        $options[] = HTMLHelper::_('select.option', '6', '6');

        return $options;
    }
}