<?php

namespace Brandy\Admin\PostEditor\MetaServices;

use Brandy\Abstracts\AbstractPostMetaService;
use Brandy\Admin\PostEditor\PostMetaServices;
use Brandy\Traits\SingletonTrait;

class TitleDisplayMetaService extends AbstractPostMetaService {

	use SingletonTrait;

	public const META_NAME = '_brandy_title_display';

	protected function __construct() {
		add_filter( 'block_editor_settings_all', array( $this, 'register_block_editor_setting' ) );
	}

	public static function get_default_value() {
		return 'show';
	}

	public function register_meta() {
		$args = array(
			'show_in_rest'  => true,
			'single'        => true,
			'type'          => 'string',
			'default'       => self::get_default_value(),
			'auth_callback' => '__return_true',
		);

		foreach ( array( 'post', 'page' ) as $post_type ) {
			register_post_meta(
				$post_type,
				self::META_NAME,
				$args
			);
		}
	}

	public static function is_valid_meta_value( $meta_value ) {
		return in_array( $meta_value, array( 'show', 'hide' ), true );
	}

	public function register_block_editor_setting( $editor_settings ) {
		$editor_settings['styles'][] = array(
			'css'    => 'body{' . PostMetaServices::map_array_to_css( self::get_css_array() ) . '}',
			'author' => 'brandy',
			'type'   => 'post_title',
		);
		return $editor_settings;
	}

	public static function get_css_array() {
		$current_post_id = brandy_get_current_page_id();
		if ( empty( $current_post_id ) ) {
			return array();
		}
		$meta_value = self::get_value( $current_post_id );

		return array(
			'--page-title-display' => 'hide' == $meta_value ? 'none' : 'block',
		);
	}
}