#include <list>
#include <iostream>

class Integer{
  public:
    Integer(int value): value_(value)
    {
      copy_cnt = new int(0);
      std::cout << "Creating original:"<< value << std::endl;
    };
    Integer(const Integer& src): value_(src.value_), copy_cnt(src.copy_cnt)
    {
      (*copy_cnt) += 1;
      std::cout << "Creating copy:"<< *copy_cnt << " of:" << value_ << std::endl;
    };
    virtual ~Integer()
    {
      if(*copy_cnt == 0){
			std::cout << "Deleting last: "<< value_ << std::endl;
			delete copy_cnt;
      }
      else{
			(*copy_cnt) -= 1;
			std::cout << "Deleting: "<< value_ << "\t\t "<< *copy_cnt << " copies are left" << std::endl;
      }
    };
    const Integer& operator=(const Integer& src){
     if(&src != this)
     {
		      this->value_ = src.value_;
		      if(*copy_cnt == 0){
			delete copy_cnt;
      }else{
			(*copy_cnt) -= 1;
      }
      copy_cnt = src.copy_cnt;
      (*copy_cnt) += 1;
     }
     return *this;
    };
    bool operator==(const Integer& src) const{
      return this->value_ == src.value_;
    };
    bool operator!=(const Integer& src) const{
      return this->value_ == src.value_;
    };
    operator int() const{
      return this->value_;
    };
    void setValue(int value){
      this->value_ = value;
      if(*copy_cnt > 0){
			*copy_cnt -= 1;
			copy_cnt = new int;
			*copy_cnt = 0;
      }
    };
  private:
    int value_;
    int *copy_cnt;
};
  
  
#include "handle.h" 
  
int main()
{
	
	using namespace std;
	
	list<myHandle<Integer> > lista1;
	
	cout << "---- Skapar orginal ----" << endl;
	
	Integer a(1);
	Integer b(2);
	Integer c(3);	
	
	cout << "---- Lägger dem i lista1 ----- " << endl;
	
	cout << "a\n";
	lista1.push_front(a);
	cout << "b\n";
	lista1.push_front(b);
	cout << "c\n";
	lista1.push_front(c);
	
	list<myHandle<Integer> > *lista2;
	
	cout << "---- Skapa en ny lista med samma dataobjekt (lista2) ----" << endl;
	
	lista2 = new list<myHandle<Integer> >(lista1);
	
	cout << "---- Pop_back lista2----" << endl;
	
	lista2->pop_back();
	
	cout << "---- Push_back lista2 med b ----" << endl;
	
	lista2->push_back(b);
	
	cout << "---- Sök effter 2 ----" << endl;
	
	Integer toFind = 2;
	
	list<myHandle<Integer> >::iterator it;
	
	it = find(lista2->begin(),lista2->end(),toFind);
	
	if(it != lista2->end())
		cout << "Hittat" << endl;
		
	cout << "---- Sök effter 5 ----" << endl;
	
	toFind = 5;
	list<myHandle<Integer> >::iterator it0;
	it0 = find(lista2->begin(),lista2->end(),toFind);
	
	if(it0 == lista2->end())
		cout << "Inte Hittat" << endl;

	cout << "--- Ändra på första elementet genom tilldelning ---" << endl;
	
	*lista2->front() = 4;
	
	cout << "---- Lista 1 ----" << endl;
	
	list<myHandle<Integer> >::iterator it2;
	
	it2 = lista1.begin();
	
	while(it2 != lista1.end())
	{
		cout << **it2 << " ";
		it2++;
	}	
	cout << endl;

	
	cout << "---- lista 2 ---- " << endl;
	
	list<myHandle<Integer> >::iterator it3;
	
	it3 = lista2->begin();
	
	while(it3 != lista2->end())
	{
		cout << **it3 << " ";
		it3++;
	}	
	cout << endl;
				
	cout << "---- Ta bort lista2 ----" << endl;
	
	delete lista2;
	
	cout << "---- Slut på program ----" << endl;
	
	return 0;	

}