<?php

// Send errors like this:
$update_status = $widget_obj->update( $new_data );
if ( ! $update_status['status'] ) {
    // validation erorrs!
    return rest_send_error( $update_status['message'] );
}

// Or, like this:
if ( ! $widget_type_obj->is_enabled_for( $object_type, $object_id ) ) {
    return rest_send_error( __( 'Widget not available.', 'frontpage-buddy' ), 500 );
}

// Send successful response like this:
return rest_send_response( true, array( 'html' => $html ) );

// Or, like this:
return rest_send_response( true, null, __( 'Updated', 'frontpage-buddy' ) );


/**
 * Standard success response.
 *
 * @param boolean $success Whether the request was successful.
 * @param mixed   $data Data to return.
 * @param string  $message Message to return.
 * @param integer $status HTTP status code. Default 200.
 * @return \WP_REST_Response
 */
function rest_send_response( $success = true, $data = null, $message = '', $status = 200 ) {
	$response = array(
		'success' => $success,
		'message' => $message,
		'data'    => $data,
	);

	return new \WP_REST_Response( $response, $status );
}

/**
 * Standard error response.
 *
 * @param string  $message Message to return.
 * @param integer $status HTTP status code. Default 400.
 * @param array   $additional_data Additional data to return.
 * @return \WP_REST_Response
 */
function rest_send_error( $message, $status = 400, $additional_data = array() ) {
	$data = array_merge(
		array(
			'success' => false,
			'message' => $message,
		),
		$additional_data
	);

	return new \WP_REST_Response( $data, $status );
}