#include "naredba.hpp"
#include <iostream>
#include <map>
#include <string>

using namespace std;

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

Naredba::~Naredba() {

}

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

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

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

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

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

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

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

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

extern map<string, int> tablica;

void Dodela::izvrsi() const {
  tablica[_ime] = _i->vrednost();
}

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

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


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

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

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

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

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

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

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

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

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

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

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


void PraznaNaredba::izvrsi() const {
  // nista
}

void PraznaNaredba::nazubi(int tabs) const {
  //nista
  uvuci(tabs);
}