<?php
namespace Zadex\Dynamic\Tags;

defined('ABSPATH') || exit;

use Zadex\Dynamic\Context;
use Zadex\Dynamic\Tag;

/** `{ url, id, alt }` of the post thumbnail (image widgets, container backgrounds). */
final class FeaturedImage extends Tag
{
    public function name(): string
    {
        return 'featured-image';
    }

    public function title(): string
    {
        return __('Featured image', 'zadex');
    }

    public function group(): string
    {
        return 'media';
    }

    public function categories(): array
    {
        return ['image'];
    }

    public function render(array $settings, Context $ctx)
    {
        if ($ctx->post_id <= 0) {
            return null;
        }
        $id = (int) get_post_thumbnail_id($ctx->post_id);
        return $id > 0 ? self::attachment($id) : null;
    }
}