<?php

/**
 * @author          Tassos Marinos <info@tassos.gr>
 * @link            http://www.tassos.gr
 * @copyright       Copyright © 2021 Tassos Marinos All Rights Reserved
 * @license         GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
 */

namespace ACF\Helpers\Fields;

defined('_JEXEC') or die;

use YOOtheme\Builder\Joomla\Fields\Type\FieldsType;

class Osm
{
	/**
	 * Transforms the field value to an appropriate value that YooTheme can understand.
	 * 
	 * @return  array
	 */
	public static function yooResolve($item, $args, $ctx, $info)
	{
		$name = str_replace('String', '', strtr($info->fieldName, '_', '-'));
        
		// Check if it's a subform field
		$subfield = FieldsType::getSubfield($args['field_id'], $args['context']);

		// When we have a subform field, the $item is an array of values
		if (!$subfield || !is_array($item))
		{
			if (!isset($item->id) || !($field = FieldsType::getField($name, $item, $args['context'])))
			{
				return;
			}
		}
		else
		{
			// Set rawvalue
			$subfield->rawvalue = isset($item["field{$args['field_id']}"]) ? json_encode($item["field{$args['field_id']}"]) : '';

			// Use the subform field
			$field = $subfield;
		}

        $value = $field->rawvalue;

        if (!is_string($value))
        {
            return;
        }

        if (!$value = json_decode($value, true))
        {
            return;
        }

		if (!isset($value['coordinates']))
		{
			return;
		}

		return $value['coordinates'];
	}
}