#include "naredba.hpp"

#include <iostream>
using namespace std;

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

Naredba* IspisS::kopija() const {
  return new IspisS(*this);
}

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

IspisE::IspisE(const IspisE& x) {
  _i = x._i->kopija();
}

IspisE& IspisE::operator=(const IspisE& x) {
  if (this != &x) {
    delete _i;
    _i = x._i->kopija();
  }
  return *this;
}

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

Naredba* IspisE::kopija() const {
  return new IspisE(*this);
}


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

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

Blok::Blok(const Blok& x) {
  for(unsigned i = 0; i < x._niz.size(); i++)
    _niz.push_back(x._niz[i]->kopija());
}

Blok& Blok::operator=(const Blok& x) {
  if (this != &x) {
    for(unsigned i = 0; i < _niz.size(); i++)
      delete _niz[i];
    _niz.resize(0);
    for(unsigned i = 0; i < x._niz.size(); i++)
      _niz.push_back(x._niz[i]->kopija());
  }
  return *this;
}

Naredba* Blok::kopija() const {
  return new Blok(*this);
}

extern map<string, int> tablica_simbola;
void Dodela::izvrsi() const {
  tablica_simbola[_ime] = _i->vrednost();
}

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

Dodela::Dodela(const Dodela& x) {
  _ime = x._ime;
  _i = x._i->kopija();
}

Dodela& Dodela::operator=(const Dodela& x) {
  if (this != &x) {
    delete _i;
    _ime = x._ime;
    _i = x._i->kopija();
  }
  return *this;
}

Naredba* Dodela::kopija() const {
  return new Dodela(*this);
}

Naredba* Unos::kopija() const {
  return new Unos(*this);
}

void Unos::izvrsi() const {
  int tmp;
  cin >> tmp;
  tablica_simbola[_ime] = tmp;
}

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

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

AkoJeOndaInace::AkoJeOndaInace(const AkoJeOndaInace& x) {
  _uslov = x._uslov->kopija();
  _n1 = x._n1->kopija();
  _n2 = x._n2->kopija();
}

AkoJeOndaInace& AkoJeOndaInace::operator=(const AkoJeOndaInace& x) {
  if (this != &x) {
    delete _uslov;
    delete _n1;
    delete _n2;
    _uslov = x._uslov->kopija();
    _n1 = x._n1->kopija();
    _n2 = x._n2->kopija();
  }
  return *this;
}

Naredba* AkoJeOndaInace::kopija() const {
  return new AkoJeOndaInace(*this);
}

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

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

AkoJeOnda::AkoJeOnda(const AkoJeOnda& x) {
  _uslov = x._uslov->kopija();
  _n1 = x._n1->kopija();
}

AkoJeOnda& AkoJeOnda::operator=(const AkoJeOnda& x) {
  if (this != &x) {
    delete _uslov;
    delete _n1;
    _uslov = x._uslov->kopija();
    _n1 = x._n1->kopija();
  }
  return *this;
}

Naredba* AkoJeOnda::kopija() const {
  return new AkoJeOnda(*this);
}

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

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

DokJe::DokJe(const DokJe& x) {
  _uslov = x._uslov->kopija();
  _n1 = x._n1->kopija();
}

DokJe& DokJe::operator=(const DokJe& x) {
  if (this != &x) {
    delete _uslov;
    delete _n1;
    _uslov = x._uslov->kopija();
    _n1 = x._n1->kopija();
  }
  return *this;
}

Naredba* DokJe::kopija() const {
  return new DokJe(*this);
}

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

Naredba* Prazna::kopija() const {
  return new Prazna(*this);
}

void IspisS::nazubi(int t) const {
  cout << string(t, '\t');
  cout << "ispisi(\"" << _s << "\")";
}

void IspisE::nazubi(int t) const {
  cout << string(t, '\t');
  cout << "ispisi(";
  _i->ispisi();
  cout << ")";
}

void Blok::nazubi(int t) const {
  cout << string(t, '\t');
  cout << "pocetak" << endl;
  for (unsigned i = 0; i < _niz.size(); i++) {
    _niz[i]->nazubi(t+1);
    if (i != _niz.size() - 1)
      cout << ";";
    cout << endl;
  }
  cout << string(t, '\t');
  cout << "kraj";
}

void Dodela::nazubi(int t) const {
  cout << string(t, '\t');
  cout << _ime << " := ";
  _i->ispisi();
}

void Unos::nazubi(int t) const {
  cout << string(t, '\t');
  cout << "unesi(" << _ime << ")";
}

void AkoJeOndaInace::nazubi(int t) const {
  cout << string(t, '\t');
  cout << "ako_je ";
  _uslov->ispisi();
  cout << " onda:" << endl;
  _n1->nazubi(t+1);
  cout << endl;
  cout << string(t, '\t');
  cout << "inace:" << endl;
  _n2->nazubi(t+1);
}

void AkoJeOnda::nazubi(int t) const {
  cout << string(t, '\t');
  cout << "ako_je ";
  _uslov->ispisi();
  cout << " onda:" << endl;
  _n1->nazubi(t+1);
}

void DokJe::nazubi(int t) const {
  cout << string(t, '\t');
  cout << "dok_je ";
  _uslov->ispisi();
  cout << " radi_sledece:" << endl;
  _n1->nazubi(t+1);
}

void Prazna::nazubi(int t) const {
  cout << string(t, '\t');
}