<?php

/**
 * Post Meta Class
 *
 * Get the post meta and apply some functionality
 *
 * @since 2.0.0
 *
 * @package ItalyStrap
 */

namespace ItalyStrap\Asset;

if (! defined('ABSPATH') or ! ABSPATH) {
    die();
}

use ItalyStrap\Event\Subscriber_Interface;

/**
 * The Post Meta Class
 */
class Custom_Css extends Custom_Css_Base implements Subscriber_Interface
{
    /**
     * Returns an array of hooks that this subscriber wants to register with
     * the WordPress plugin API.
     *
     * @hooked customize_register - 11
     *
     * @return array
     */
    public static function get_subscribed_events()
    {

        return [
            // 'hook_name'                          => 'method_name',
            'wp'            => 'add_post_type_custom_css',
            'body_class'    => 'body_class',
            'post_class'    => 'post_class',
        ];
    }

    /**
     * Init the constructor
     *
     * @param array $options The plugin options
     */
    function __construct(array $options = [])
    {

        /**
         * Start with an underscore to hide fields from custom fields list
         *
         * @var string
         */
        $this->prefix = 'italystrap';

        $this->_prefix = '_' . $this->prefix;

        $this->options = $options;

        parent::__construct($options);
    }

    /**
     * Take the custom css from WP Editor and
     * add it to the Inline_Style::set( $style ).
     */
    public function add_post_type_custom_css()
    {

        $style = $this->get_metabox(get_the_id(), $this->_prefix . '_custom_css_settings', true);

        Inline_Style::set($style);
    }

    /**
     * Get classes
     *
     * @param  string $filter_name The name of the filter.
     * @param  array  $classes The array with body classes.
     *
     * @return array               The new array
     */
    protected function get_class($filter_name, array $classes)
    {

        $class_name = '';

        if (isset($this->options[ $filter_name ])) {
            $class_name = $this->options[ $filter_name ] . ',';
        }

        $class_name .= $this->get_metabox(get_the_id(), $this->_prefix . '_custom_' . $filter_name . '_settings', true);

        $class_name = array_filter(explode(',', $class_name));

        foreach ($class_name as $key => $value) {
            $classes[] = $value;
        }

        return $classes;
    }

    /**
     * Add body class to the body_class filter
     *
     * @param  array $classes The array with body classes.
     *
     * @return array          The new array
     */
    function body_class($classes)
    {
        return $this->get_class('body_class', $classes);
    }

    /**
     * Add post class to the post_class filter
     *
     * @param  array $classes The array with post classes.
     *
     * @return array          The new array
     */
    function post_class($classes)
    {
        return $this->get_class('post_class', $classes);
    }
}