package org.example;

public class Route {
    public Station from;

    public Route(Station from) {
        this.from = from;
    }

    public void addStation(Station station) {
        Station local = from;
        while(local.next != null ){
            local = local.next;
        }
        local.next = station;
        station.prev = local;
    }


    public void addStationAfter(Station station, Station before) {
        Station local = from;
        while(local != before){
            local = local.next;
        }
        local.next.prev = station;
        station.next = local.next;
        local.next = station;
        station.prev = local;
    }

    public void addStationBefore(Station station, Station after) {
        Station local = from;
        while(local.next !=after){
            local = local.next;
        }
        local.next.prev = station;
        station.next = local.next;
        local.next = station;
        station.prev = local;
    }

    public void removeStation(Station station) {
        Station local = from;
        while(local.next != station){
            local = local.next;
        }
        local.next = station.next;
        station.next.prev = local;

    }

}