<?php

/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2015 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Document\Renderer\Html;

use Joomla\CMS\Document\DocumentRenderer;
use Joomla\CMS\Factory;
use Joomla\CMS\Helper\ModuleHelper;
use Joomla\Registry\Registry;

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

/**
 * HTML document renderer for a single module
 *
 * @since  3.5
 */
class ModuleRenderer extends DocumentRenderer
{
    /**
     * Renders a module script and returns the results as a string
     *
     * @param   string  $module   The name of the module to render
     * @param   array   $attribs  Associative array of values
     * @param   string  $content  If present, module information from the buffer will be used
     *
     * @return  string  The output of the script
     *
     * @since   3.5
     */
    public function render($module, $attribs = [], $content = null)
    {
        if (!\is_object($module)) {
            $title = $attribs['title'] ?? null;

            $module = ModuleHelper::getModule($module, $title);

            if (!\is_object($module)) {
                if (\is_null($content)) {
                    return '';
                }

                /**
                 * If module isn't found in the database but data has been pushed in the buffer
                 * we want to render it
                 */
                $tmp            = $module;
                $module         = new \stdClass();
                $module->params = null;
                $module->module = $tmp;
                $module->id     = 0;
                $module->user   = 0;
            }
        }

        // Set the module content
        if (!\is_null($content)) {
            $module->content = $content;
        }

        // Get module parameters
        $params = new Registry($module->params);

        // Use parameters from template
        if (isset($attribs['params'])) {
            $template_params = new Registry(html_entity_decode($attribs['params'], ENT_COMPAT, 'UTF-8'));
            $params->merge($template_params);
            $module         = clone $module;
            $module->params = (string) $params;
        }

        // Set cachemode parameter or use JModuleHelper::moduleCache from within the module instead
        $cachemode = $params->get('cachemode', 'static');

        if ($params->get('cache', 0) == 1 && Factory::getApplication()->get('caching') >= 1 && $cachemode !== 'id' && $cachemode !== 'safeuri') {
            // Default to itemid creating method and workarounds on
            $cacheparams               = new \stdClass();
            $cacheparams->cachemode    = $cachemode;
            $cacheparams->class        = ModuleHelper::class;
            $cacheparams->method       = 'renderModule';
            $cacheparams->methodparams = [$module, $attribs];
            $cacheparams->cachesuffix  = $attribs['contentOnly'] ?? false;

            // It need to be done here because the cache controller does not keep reference to the module object
            $module->content         = ModuleHelper::moduleCache($module, $params, $cacheparams);
            $module->contentRendered = true;

            return $module->content;
        }

        return ModuleHelper::renderModule($module, $attribs);
    }
}