/**
 * Decode JSON-encoded multifile upload fields when creating a new entry with Gravity Flow Form Connector
 *
 * @param array $new_entry   The new entry being created
 * @param array $entry       The source entry
 * @param array $form        The source form
 * @param array $target_form The target form
 * @param object $step       The current workflow step
 *
 * @return array The modified new entry
 */
function fix_multifile_upload_json_decode($new_entry, $entry, $form, $target_form, $step) {
	// Loop through all fields in the target form
	foreach ($target_form['fields'] as $field) {
		// Check if this is a file upload field with multiple files enabled
		if ($field->type == 'fileupload' && $field->multipleFiles) {
			$field_id = $field->id;

			// If this field exists in the new entry and is a JSON string
			if (isset($new_entry[$field_id]) && is_string($new_entry[$field_id]) && $new_entry[$field_id] !== '') {
				// Try to decode the JSON string
				$decoded = json_decode($new_entry[$field_id], true);

				// If it's a valid JSON array, use the decoded value
				if (is_array($decoded)) {
					$new_entry[$field_id] = $decoded;
				}
			}
		}
	}

	return $new_entry;
}

// Hook into the filter for the new entry workflow step
add_filter('gravityflowformconnector_new_entry', 'fix_multifile_upload_json_decode', 10, 5);