<?php

/**
 * @package         Advanced Custom Fields
 * @version         2.8.8 Pro
 * 
 * @author          Tassos Marinos <info@tassos.gr>
 * @link            http://www.tassos.gr
 * @copyright       Copyright © 2020 Tassos Marinos All Rights Reserved
 * @license         GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
*/

defined('_JEXEC') or die;

use Joomla\CMS\Form\Form;
use Joomla\CMS\Factory;

JLoader::register('ACF_Field', JPATH_PLUGINS . '/system/acf/helper/plugin.php');

if (!class_exists('ACF_Field'))
{
	Factory::getApplication()->enqueueMessage('Advanced Custom Fields System Plugin is missing', 'error');
	return;
}

use Joomla\CMS\Helper\ModuleHelper;

class PlgFieldsACFModule extends ACF_Field
{
	/**
	 *  Override the field type
	 *
	 *  @var  string
	 */
	protected $overrideType = 'Modules';

	/**
	 * Update the label of the field in filters.
     * 
     * @param \Bluecoder\Component\Jfilters\Administrator\Model\Filter\Option\Collection $options
	 * 
     * @return \Bluecoder\Component\Jfilters\Administrator\Model\Filter\Option\Collection
     */
    public function onJFiltersOptionsAfterCreation(\Bluecoder\Component\Jfilters\Administrator\Model\Filter\Option\Collection $options) 
    {
		// Make sure it is a field of that type
        if ($options->getFilterItem()->getAttributes()->get('type') !== $this->_name)
		{
            return $options;
        }

        foreach ($options as $option)
		{
			if (!$module = ModuleHelper::getModuleById($option->getValue()))
			{
				continue;
			}

			$option->setLabel($module->title);
        }

        return $options;
	}

	/**
	 * Prepares the field value for the (front-end) layout
	 *
	 * @param   string    $context  The context.
	 * @param   stdclass  $item     The item.
	 * @param   stdclass  $field    The field.
	 *
	 * @return  string
	 */
	public function onCustomFieldsPrepareField($context, $item, $field)
	{
		// Check if the field should be processed by us
		if (!$this->isTypeSupported($field->type))
		{
			return parent::onCustomFieldsPrepareField($context, $item, $field);
		}

		$field->value = \NRFramework\Functions::loadModule($field->value);

		return parent::onCustomFieldsPrepareField($context, $item, $field);
	}

	/**
	 * Transforms the field into a DOM XML element and appends it as a child on the given parent.
	 *
	 * @param   stdClass    $field   The field.
	 * @param   DOMElement  $parent  The field node parent.
	 * @param   Form        $form    The form.
	 *
	 * @return  DOMElement
	 *
	 * @since   3.7.0
	 */
	public function onCustomFieldsPrepareDom($field, DOMElement $parent, Form $form)
	{
		if (!$fieldNode = parent::onCustomFieldsPrepareDom($field, $parent, $form))
		{
			return $fieldNode;
		}

		// Include only front-end modules
		$fieldNode->setAttribute('client', 0);
		
		return $fieldNode;
	}
}