'full' );
		}

		if ( $this->request_helper->is_rest_request() ) {
			return $this->get_main_image_url_for_rest_request();
		}

		if ( ! \is_singular() ) {
			return null;
		}

		$url = $this->image->get_post_content_image( $this->id );
		if ( $url === '' ) {
			return null;
		}

		return $url;
	}

	/**
	 * Generates the main image ID.
	 *
	 * @return int|null The main image ID.
	 */
	public function generate_main_image_id() {
		if ( $this->request_helper->is_rest_request() ) {
			return $this->get_main_image_id_for_rest_request();
		}

		switch ( true ) {
			case \is_singular():
				return $this->get_singular_post_image( $this->id );
			case \is_author():
			case \is_tax():
			case \is_tag():
			case \is_category():
			case \is_search():
			case \is_date():
			case \is_post_type_archive():
				if ( ! empty( $GLOBALS['wp_query']->posts ) ) {
					if ( $GLOBALS['wp_query']->get( 'fields', 'all' ) === 'ids' ) {
						return $this->get_singular_post_image( $GLOBALS['wp_query']->posts[0] );
					}

					return $this->get_singular_post_image( $GLOBALS['wp_query']->posts[0]->ID );
				}
				return null;
			default:
				return null;
		}
	}

	/**
	 * Determines whether the current indexable has an image.
	 *
	 * @return bool Whether the current indexable has an image.
	 */
	public function generate_has_image() {
		return $this->main_image_url !== null;
	}

	/**
	 * Strips all nested dependencies from the debug info.
	 *
	 * @return array<Indexable,Indexable_Presentation>
	 */
	public function __debugInfo() {
		return [
			'indexable'    => $this->indexable,
			'presentation' => $this->presentation,
		];
	}

	/**
	 * Retrieve the site logo ID from WordPress settings.
	 *
	 * @return false|int
	 */
	public function fallback_to_site_logo() {
		$logo_id = \get_option( 'site_logo' );
		if ( ! $logo_id ) {
			$logo_id = \get_theme_mod( 'custom_logo', false );
		}

		return $logo_id;
	}

	/**
	 * Get the ID for a post's featured image.
	 *
	 * @param int $id Post ID.
	 *
	 * @return int|null
	 */
	private function get_singular_post_image( $id ) {
		if ( \has_post_thumbnail( $id ) ) {
			$thumbnail_id = \get_post_thumbnail_id( $id );
			// Prevent returning something else than an int or null.
			if ( \is_int( $thumbnail_id ) && $thumbnail_id > 0 ) {
				return $thumbnail_id;
			}
		}

		if ( \is_singular( 'attachment' ) ) {
			return \get_query_var( 'attachment_id' );
		}

		return null;
	}

	/**
	 * Gets the main image ID for REST requests.
	 *
	 * @return int|null The main image ID.
	 */
	private function get_main_image_id_for_rest_request() {
		switch ( $this->page_type ) {
			case 'Post_Type':
				if ( $this->post instanceof WP_Post ) {
					return $this->get_singular_post_image( $this->post->ID );
				}
				return null;
			default:
				return null;
		}
	}

	/**
	 * Gets the main image URL for REST requests.
	 *
	 * @return string|null The main image URL.
	 */
	private function get_main_image_url_for_rest_request() {
		switch ( $this->page_type ) {
			case 'Post_Type':
				if ( $this->post instanceof WP_Post ) {
					$url = $this->image->get_post_content_image( $this->post->ID );
					if ( $url === '' ) {
						return null;
					}
					return $url;
				}
				return null;
			default:
				return null;
		}
	}
}

\class_alias( Meta_Tags_Context::class, 'WPSEO_Schema_Context' );