The connected page data or false if not identified.
		 */
		return apply_filters( 'woocommerce_navigation_is_connected_page', $is_connected_page, $current_page );
	}

	/**
	 * Returns true if we are on a page registed with this controller.
	 *
	 * @return boolean
	 */
	public function is_registered_page() {
		$current_page = $this->get_current_page();

		if ( false === $current_page ) {
			$is_registered_page = false;
		} else {
			$is_registered_page = isset( $current_page['js_page'] ) && $current_page['js_page'];
		}

		/**
		 * Whether or not the current page was registered with this controller.
		 *
		 * Used to determine if this is a JS-powered WooCommerce Admin page.
		 *
		 * @param boolean       $is_registered_page True if the current page was registered with this controller.
		 * @param array|boolean $current_page The registered page data or false if not identified.
		 */
		return apply_filters( 'woocommerce_navigation_is_registered_page', $is_registered_page, $current_page );
	}

	/**
	 * Adds a JS powered page to wc-admin.
	 *
	 * @param array $options {
	 *   Array describing the page.
	 *
	 *   @type string      id           Id to reference the page.
	 *   @type string      title        Page title. Used in menus and breadcrumbs.
	 *   @type string|null parent       Parent ID. Null for new top level page.
	 *   @type string      path         Path for this page, full path in app context; ex /analytics/report
	 *   @type string      capability   Capability needed to access the page.
	 *   @type string      icon         Icon. Dashicons helper class, base64-encoded SVG, or 'none'.
	 *   @type int         position     Menu item position.
	 *   @type int         order        Navigation item order.
	 * }
	 */
	public function register_page( $options ) {
		$defaults = array(
			'id'         => null,
			'parent'     => null,
			'title'      => '',
			'page_title' => '',
			'capability' => 'view_woocommerce_reports',
			'path'       => '',
			'icon'       => '',
			'position'   => null,
			'js_page'    => true,
		);

		$options = wp_parse_args( $options, $defaults );

		if ( 0 !== strpos( $options['path'], self::PAGE_ROOT ) ) {
			$options['path'] = self::PAGE_ROOT . '&path=' . $options['path'];
		}

		if ( null !== $options['position'] ) {
			$options['position'] = intval( round( $options['position'] ) );
		}

		if ( empty( $options['page_title'] ) ) {
			$options['page_title'] = $options['title'];
		}

		if ( is_null( $options['parent'] ) ) {
			add_menu_page(
				$options['page_title'],
				$options['title'],
				$options['capability'],
				$options['path'],
				array( __CLASS__, 'page_wrapper' ),
				$options['icon'],
				$options['position']
			);
		} else {
			$parent_path = $this->get_path_from_id( $options['parent'] );
			// @todo check for null path.
			add_submenu_page(
				$parent_path,
				$options['page_title'],
				$options['title'],
				$options['capability'],
				$options['path'],
				array( __CLASS__, 'page_wrapper' )
			);
		}

		$this->connect_page( $options );
	}

	/**
	 * Get registered pages.
	 *
	 * @return array
	 */
	public function get_pages() {
		return $this->pages;
	}

	/**
	 * Set up a div for the app to render into.
	 */
	public static function page_wrapper() {
		Loader::page_wrapper();
	}

	/**
	 * Connects existing WooCommerce pages.
	 *
	 * @todo The entry point for the embed needs moved to this class as well.
	 */
	public function register_page_handler() {
		require_once WC_ADMIN_ABSPATH . 'includes/react-admin/connect-existing-pages.php';
	}

	/**
	 * Registers the store details (profiler) page.
	 */
	public function register_store_details_page() {
		wc_admin_register_page(
			array(
				'title'  => __( 'Setup Wizard', 'woocommerce' ),
				'parent' => '',
				'path'   => '/setup-wizard',
			)
		);
	}

	/**
	 * Remove the menu item for the app entry point page.
	 */
	public function remove_app_entry_page_menu_item() {
		global $submenu;
		// User does not have capabilites to see the submenu.
		if ( ! current_user_can( 'manage_woocommerce' ) || empty( $submenu['woocommerce'] ) ) {
			return;
		}

		$wc_admin_key = null;
		foreach ( $submenu['woocommerce'] as $submenu_key => $submenu_item ) {
			// Our app entry page menu item has no title.
			if ( is_null( $submenu_item[0] ) && self::APP_ENTRY_POINT === $submenu_item[2] ) {
				$wc_admin_key = $submenu_key;
				break;
			}
		}

		if ( ! $wc_admin_key ) {
			return;
		}

		unset( $submenu['woocommerce'][ $wc_admin_key ] );
	}

	/**
	 * Returns true if we are on a JS powered admin page or
	 * a "classic" (non JS app) powered admin page (an embedded page).
	 */
	public static function is_admin_or_embed_page() {
		return self::is_admin_page() || self::is_embed_page();
	}

	/**
	 * Returns true if we are on a JS powered admin page.
	 */
	public static function is_admin_page() {
		// phpcs:disable WordPress.Security.NonceVerification
		return isset( $_GET['page'] ) && 'wc-admin' === $_GET['page'];
		// phpcs:enable WordPress.Security.NonceVerification
	}

	/**
	 *  Returns true if we are on a "classic" (non JS app) powered admin page.
	 *
	 * TODO: See usage in `admin.php`. This needs refactored and implemented properly in core.
	 */
	public static function is_embed_page() {
		return wc_admin_is_connected_page() || ( ! self::is_admin_page() && class_exists( 'Automattic\WooCommerce\Admin\Features\Navigation\Screen' ) && Screen::is_woocommerce_page() );
	}
}