#ifndef __NAREDBA_HPP__
#define __NAREDBA_HPP__ 1
#include "izraz.hpp"
#include <string>
#include <vector>
using namespace std;

class Naredba {
public:
  virtual void izvrsi() const = 0;
  virtual Naredba* kopija() const = 0;
  virtual void nazubi(int t) const = 0;
  virtual ~Naredba() {

  }
};

class IspisS : public Naredba {
public:
  IspisS(string s)
    :_s(s)
  {}
  void izvrsi() const;
  Naredba* kopija() const;
  void nazubi(int t) const;
private:
  string _s;
};

class IspisE : public Naredba {
public:
  IspisE(Izraz *i)
    :_i(i->kopija())
  {}
  void izvrsi() const;
  ~IspisE();
  IspisE(const IspisE& x);
  IspisE& operator=(const IspisE& x);
  Naredba* kopija() const;
  void nazubi(int t) const;
private:
  Izraz *_i;
};

class Blok : public Naredba {
public:
  Blok(vector<Naredba*> v)
  {
    for(unsigned i = 0; i < v.size(); i++)
      _niz.push_back(v[i]->kopija());
  }
  Naredba* kopija() const;
  void izvrsi() const;
  void nazubi(int t) const;
  ~Blok();
  Blok(const Blok& x);
  Blok& operator=(const Blok& x);
private:
  vector<Naredba*> _niz;
};

class Dodela : public Naredba {
public:
  Dodela(string s, Izraz *i)
    :_ime(s), _i(i->kopija())
  {}
  Naredba* kopija() const;
  void izvrsi() const;
  void nazubi(int t) const;
  ~Dodela();
  Dodela(const Dodela& x);
  Dodela& operator=(const Dodela& x);
private:
  string _ime;
  Izraz *_i;
};

class Unos : public Naredba {
public:
  Unos(string s)
    :_ime(s)
  {}
  Naredba* kopija() const;
  void izvrsi() const;
  void nazubi(int t) const;
private:
  string _ime;
};

class AkoJeOndaInace : public Naredba {
public:
  AkoJeOndaInace(Izraz *i, Naredba *n1, Naredba *n2)
    :_uslov(i->kopija()), _n1(n1->kopija()), _n2(n2->kopija())
  {}
  Naredba* kopija() const;
  void izvrsi() const;
  void nazubi(int t) const;
  ~AkoJeOndaInace();
  AkoJeOndaInace(const AkoJeOndaInace& x);
  AkoJeOndaInace& operator=(const AkoJeOndaInace& x);  
private:
  Izraz *_uslov;
  Naredba *_n1;
  Naredba *_n2;
};

class AkoJeOnda : public Naredba {
public:
  AkoJeOnda(Izraz *i, Naredba *n1)
    :_uslov(i->kopija()), _n1(n1->kopija())
  {}
  Naredba* kopija() const;
  void izvrsi() const;
  void nazubi(int t) const;
  ~AkoJeOnda();
  AkoJeOnda(const AkoJeOnda& x);
  AkoJeOnda& operator=(const AkoJeOnda& x);  
private:
  Izraz *_uslov;
  Naredba *_n1;
};

class DokJe : public Naredba {
public:
  DokJe(Izraz *i, Naredba *n1)
    :_uslov(i->kopija()), _n1(n1->kopija())
  {}
  Naredba* kopija() const;
  void izvrsi() const;
  void nazubi(int t) const;
  ~DokJe();
  DokJe(const DokJe& x);
  DokJe& operator=(const DokJe& x);  
private:
  Izraz *_uslov;
  Naredba *_n1;
};

class Prazna : public Naredba {
public:
  Naredba* kopija() const;
  void izvrsi() const;
  void nazubi(int t) const;
};

#endif