#include "naredbe.hpp"

#include <iostream>
using namespace std;

void uvuci(int tabs) {
  while (tabs-- > 0)
    cout << "\t";
}

void IspisE::izvrsi() const {
  cout << _i->vrednost() << endl;
}

IspisE::~IspisE() {
  delete _i;
}

void IspisE::nazubi(int tabs) const {
  uvuci(tabs);
  cout << "ispisi(";
  _i->ispisi();
  cout << ")";
}

void IspisS::izvrsi() const {
  cout << _s << endl;
}

void IspisS::nazubi(int tabs) const {
  uvuci(tabs);
  cout << "ispisi(\"" << _s << "\")";
}


void Blok::izvrsi() const {
  for (unsigned i = 0; i < _v.size(); i++)
    _v[i]->izvrsi();
}

Blok::~Blok() {
  for (unsigned i = 0; i < _v.size(); i++)
    delete _v[i];
}

void Blok::nazubi(int tabs) const {
  uvuci(tabs);
  cout << "pocetak" << endl;
  for (unsigned i = 0; i < _v.size(); i++) {
    _v[i]->nazubi(tabs + 1);
    if (i < _v.size() - 1)
      cout << ";";
    cout << endl;
  }
  uvuci(tabs);
  cout << "kraj";
}

#include <map>
extern map<string, int> tablica;
void Dodela::izvrsi() const {
  tablica[_s] = _i->vrednost();
}

Dodela::~Dodela() {
  delete _i;
}

void Dodela::nazubi(int tabs) const {
  uvuci(tabs);
  cout << _s << " := ";
  _i->ispisi();
}

void Unos::izvrsi() const {
  int i;
  cin >> i;
  tablica[_s] = i;
}

void Unos::nazubi(int tabs) const {
  uvuci(tabs);
  cout << "unesi(" << _s << ")";
}

void AkoJeOndaInace::izvrsi() const {
  if (_i->vrednost() != 0)
    _n1->izvrsi();
  else
    _n2->izvrsi();
}

AkoJeOndaInace::~AkoJeOndaInace() {
  delete _i;
  delete _n1;
  delete _n2;
}

void AkoJeOndaInace::nazubi(int tabs) const {
  uvuci(tabs);
  cout << "ako_je ";
  _i->ispisi();
  cout << " onda:" << endl;
  _n1->nazubi(tabs+1);
  cout << endl;
  uvuci(tabs);
  cout << "inace:" << endl;
  _n2->nazubi(tabs+1);
}

void AkoJeOnda::izvrsi() const {
  if (_i->vrednost() != 0)
    _n1->izvrsi();
}

AkoJeOnda::~AkoJeOnda() {
  delete _i;
  delete _n1;
}

void AkoJeOnda::nazubi(int tabs) const {
  uvuci(tabs);
  cout << "ako_je ";
  _i->ispisi();
  cout << " onda:" << endl;
  _n1->nazubi(tabs+1);
}

void DokJe::izvrsi() const {
  while (_i->vrednost() != 0)
    _n1->izvrsi();
}

DokJe::~DokJe() {
  delete _i;
  delete _n1;
}

void DokJe::nazubi(int tabs) const {
  uvuci(tabs);
  cout << "dok_je ";
  _i->ispisi();
  cout << " radi_sledece:" << endl;
  _n1->nazubi(tabs+1);  
}