sk_list_id = null ) {
		$task_list = $task_list_id ? self::get_list( $task_list_id ) : null;

		if ( $task_list_id && ! $task_list ) {
			return null;
		}

		$tasks_to_search = $task_list ? $task_list->tasks : array_reduce(
			self::get_lists(),
			function ( $all, $curr ) {
				return array_merge( $all, $curr->tasks );
			},
			array()
		);

		foreach ( $tasks_to_search as $task ) {
			if ( $id === $task->get_id() ) {
				return $task;
			}
		}

		return null;
	}

	/**
	 * Return number of setup tasks remaining
	 *
	 * This is not updated immediately when a task is completed, but rather when task is marked as complete in the database to reduce performance impact.
	 *
	 * @return int|null
	 */
	public static function setup_tasks_remaining() {
		$setup_list = self::get_list( 'setup' );

		if ( ! $setup_list || $setup_list->is_hidden() || $setup_list->has_previously_completed() ) {
			return;
		}

		$viewable_tasks  = $setup_list->get_viewable_tasks();
		$completed_tasks = get_option( Task::COMPLETED_OPTION, array() );
		if ( ! is_array( $completed_tasks ) ) {
			$completed_tasks = array();
		}

		return count(
			array_filter(
				$viewable_tasks,
				function ( $task ) use ( $completed_tasks ) {
					return ! in_array( $task->get_id(), $completed_tasks, true );
				}
			)
		);
	}

	/**
	 * Add badge to homescreen menu item for remaining tasks
	 */
	public static function menu_task_count() {
		global $submenu;

		$tasks_count = self::setup_tasks_remaining();

		if ( ! $tasks_count || ! isset( $submenu['woocommerce'] ) ) {
			return;
		}

		foreach ( $submenu['woocommerce'] as $key => $menu_item ) {
			if ( 0 === strpos( $menu_item[0], _x( 'Home', 'Admin menu name', 'woocommerce' ) ) ) {
				$submenu['woocommerce'][ $key ][0] .= ' <span class="menu-counter remaining-tasks-badge woocommerce-task-list-remaining-tasks-badge"><span class="count-' . esc_attr( $tasks_count ) . '">' . absint( $tasks_count ) . '</span></span>'; // phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
				break;
			}
		}
	}

	/**
	 * Add visible list ids to component settings.
	 *
	 * @param array $settings Component settings.
	 *
	 * @return array
	 */
	public static function task_list_preloaded_settings( $settings ) {
		$settings['visibleTaskListIds']   = self::all_hidden() ? array() : array_keys( self::get_visible() );
		$settings['completedTaskListIds'] = get_option( TaskList::COMPLETED_OPTION, array() );

		return $settings;
	}

	/**
	 * Check if all task lists are hidden.
	 *
	 * @return bool
	 */
	public static function all_hidden() {
		$hidden_lists = get_option( TaskList::HIDDEN_OPTION, array() );
		return count( $hidden_lists ) === count( self::get_lists() );
	}
}