import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;

public class Point {

	public ArrayList<Point> neighbors;
	public static Integer []types ={0,1,2,3};
	public int type;
	public int staticField;
	public boolean isPedestrian;

	public Point() {
		type=0;
		staticField = 100000;
		neighbors= new ArrayList<Point>();
	}

	public void clear() {
		staticField = 100000;

	}

	public boolean calcStaticField() {
		Boolean toReturn = false;
		for (Point neighbor: neighbors) {
			if (neighbor.staticField < this.staticField -1){
				this.staticField = neighbor.staticField +1;
				toReturn = true;
			}
		}
		return toReturn;
	}

	public void move(){
		if (isPedestrian){
            Point neighbor =  Collections.min(neighbors, Comparator.comparing(n -> {
                if (!n.isPedestrian && n.staticField < this.staticField ){
                    return n.staticField;
                }
                else {
                    return 100;
                }
            }));

            if (!(neighbor == null)){
                neighbor.isPedestrian=true;
                this.isPedestrian=false;
            }
		}
	}

	public void addNeighbor(Point nei) {
		neighbors.add(nei);
	}
}