<?php
/**
 * Shortcode [sternewidget].
 *
 * @package SterneWidget
 */

defined( 'ABSPATH' ) || exit;

/**
 * Registers and renders the shortcode.
 */
class SterneWidget_Shortcode {

	/**
	 * Register hooks.
	 *
	 * @return void
	 */
	public static function init() {
		add_shortcode( 'sternewidget', array( __CLASS__, 'render' ) );
	}

	/**
	 * Shortcode callback.
	 *
	 * @param array|string $atts Shortcode attributes.
	 * @return string
	 */
	public static function render( $atts = array() ) {
		$atts = shortcode_atts(
			array(
				'id'    => '',
				'token' => '',
				'class' => '',
			),
			$atts,
			'sternewidget'
		);

		$token = '' !== $atts['id'] ? $atts['id'] : $atts['token'];

		return wp_kses( SterneWidget_Embed::render( $token, array( 'class' => $atts['class'] ) ), SterneWidget_Embed::allowed_html() );
	}
}