yii2-google-maps-library extension, how to use it?

Question

Yii

I use Yii2 to create websites, the task is: there are input fields for the point of departure, point of arrival and intermediate points, on the left there is a google map, it is necessary that when entering data into these fields, address hints appear, then on the map so that the route and alternative routes are laid and gives me the distance into a variable. I started digging the Internet how to do it, but I didn’t find anything sensible, an example of what you need https://www.blablacar.ru/mest/1