#ifndef ARRAY_H
#define ARRAY_H
#include <iostream>
#include <string>
#include "Recipe.h"
using namespace std;

template <class T>
class Array
{
  public:
    Array();
    void   add(Recipe*);
    T getRecipe(int);
    int    getSize();
    //below are Array operator overloaded function predeclarations
    T& operator+=(Recipe&);
    T& operator-=(Recipe&);
    T& operator-=(Array&);
    T& operator+=(Array&);

  private:
    int size;
    T* recipes;
};

template <class T>
Array<T>::Array()
{
  recipes = new T[MAX_RECIPES];
}
template <class T>
int    Array<T>::getSize()        { return size; }
template <class T>
T Array<T>::getRecipe(int i) { return recipes[i]; }

template <class T>
T& Array<T>::operator+=(Recipe& s)
{
    add(&s);
	  //we already have an add function, so use it and return *this for cascading
    return *recipes;
}

template <class T>
T& Array<T>::operator+=(Array& s)
{
    Recipe* tmp;
    for (int i=0;i<s.size;i++) {
        tmp = s.getRecipe(i);
        *this+=*tmp;
    }
    return *recipes;
}

template <class T>
T& Array<T>::operator-=(Recipe& s)
{
    Array newRecipeArr;
    int check =0;
    if (size == 0) {
       return *recipes;
 		}
    for (int i=0;i<size;i++){
				/*iterate through the array of recipes
        add all elements of the old array to the new one
				except the element we are supposed to delete*/
        if (!((s.getName() == recipes[i]->getName())
					&& (s.getIngredients() == recipes[i]->getIngredients())
		      && (s.getInstructions() == recipes[i]->getInstructions())))
        {      Recipe tmp = *recipes[i];
                newRecipeArr += *recipes[i];
        }
    }
    *this = newRecipeArr;
    //set the array recipes array to the new one
    return *recipes;

}

template <class T>
T& Array<T>::operator-=(Array& s)
{   Recipe* tmp;
    for (int i=0;i<s.size;i++) {
        tmp = s.getRecipe(i);
        *this-=*tmp;
    }
    return *recipes;
}

template <class T>
void Array<T>::add(Recipe* recipe)
{
  if (size == MAX_RECIPES)
    return;

  recipes[size] = recipe;
  size++;
}

#endif