#include <string>
#include <iostream>
using namespace std;
#include "Vector.h"

Vector::Vector():capacity(0), size(0), arr(0){}
Vector::Vector(int capacity):
  capacity(capacity), size(0), arr(new int[capacity]){
  for (int i = 0; i < size; i++)
    arr[i] = 0;
}
Vector::Vector(const Vector& other):
  capacity(other.capacity), size(other.size), arr(new int[capacity]){
  for (int i = 0; i < capacity; i++)
    (i < size) ? arr[i] = other.arr[i] : arr[i]=0;
}
Vector::Vector(int* arr, int size):
  capacity(size), size(size), arr(new int[capacity]){
  for(int i = 0; i < size; i++)
    this->arr[i] = arr[i];
}
Vector::~Vector(){
  delete []arr;
}
int Vector::getSize() const{
  return size;
}
void Vector::push_back(int newElement){
  if (size == capacity){
    int* tmp = arr;
    arr = new int[capacity += 10];
    for(int i = 0; i < capacity; i++)
      (i < size) ? arr[i] = tmp[i] : arr[i] = 0;
    delete [] tmp;
    arr[size++] = newElement;
  }else
    arr[size++] = newElement; 
}
int& Vector::operator[](const int& index){
  if (index < 0 || index > size)
    throw outOfBoundsException();
  return arr[index];
}
int Vector::operator[](const int& index) const{
  if (index < 0 || index > size)
    throw outOfBoundsException();
  return arr[index];
}
const Vector& Vector::operator=(const Vector& other){
  if (this != &other){
    size = other.size;
    capacity = other.capacity;
    delete [] arr;
    arr = new int[size];
    for (int i = 0; i < size; i++ )
      arr[i] = other[i];
  }
  return *this;
}
ostream& operator<<(ostream& os, const Vector& vec){
  string tmp;
  os << '[';
  for (int i = 0; i < vec.getSize(); i++)
    os << vec[i] << " ";
  return os << ']';
}