// ======================================================
// Pole.h
// ======================================================

#ifndef POLE_H
#define POLE_H

#include "Light.h"
#include "Observer.h"
#include "Pelican.h"
#include "Subject.h"

class Hint;
class PoleVisitor;

class Pole : public Observer, public Subject {
  public:
    void update(const Hint &);

    void accept(PoleVisitor &);

    Pole(int x, int y, Pelican &p);
    ~Pole();

  private:
    Pelican &myPelican;

    void setTrafficLights(Pelican::PelicanState);
    void setWaitLight(bool);

    enum LightName { RED_LIGHT, YELLOW_LIGHT, GREEN_LIGHT, GREEN_MAN, RED_MAN };

    Light *lights[RED_MAN + 1];
    Light *waitLight;
};

#endif