import { AggregateRoot, AggregateID } from '@mobicoop/ddd-library';
import { CreateRouteProps, RouteProps, Route } from './route.types';
import { v4 } from 'uuid';
import { RouteNotFoundException } from './route.errors';

export class RouteEntity extends AggregateRoot<RouteProps> {
  protected readonly _id: AggregateID;

  static create = async (create: CreateRouteProps): Promise<RouteEntity> => {
    const route: Route = await create.georouter.route(
      create.waypoints,
      create.georouterSettings,
    );
    if (!route) throw new RouteNotFoundException();
    const routeProps: RouteProps = {
      distance: route.distance,
      duration: route.duration,
      fwdAzimuth: route.fwdAzimuth,
      backAzimuth: route.backAzimuth,
      distanceAzimuth: route.distanceAzimuth,
      points: route.points,
    };
    return new RouteEntity({
      id: v4(),
      props: routeProps,
    });
  };

  validate(): void {
    // entity business rules validation to protect it's invariant before saving entity to a database
  }
}