#include "structs.h"

using namespace std; 


//this function initialize the array of authors
void authors_init(string *a, int size_au){
	for (int i = 0; i < size_au; ++i)
	{
		a[i] = "Authors...";
	}
}

// this funciton initialize ONE book within the book array, at index idx
void book_init_one_book(Book* book_arr, int idx){
	book_arr[idx].pages = 200 * (idx+1);
	book_arr[idx].title = "Some title";
	book_arr[idx].num_authors = idx+1;
	book_arr[idx].authors = new string [book_arr[idx].num_authors];
}

//this function initialize the ENTIRE array of books
void book_init (Book* book_arr, int size) {
	for (int i = 0; i < size; ++i)
	{
		//initialize book_arr[i]
		book_arr[i].pages = 200 * (i+1);
		book_arr[i].title = "Some title";
		book_arr[i].num_authors = i+1;
		book_arr[i].authors = new string [book_arr[i].num_authors];

		//initailize the authors of book_arr[i]
		authors_init(book_arr[i].authors, book_arr[i].num_authors); 
		
	}
}

//print a single book object
void print_book (Book &b){
	cout << "----------------" << endl;
	cout << "Pages: " << b.pages << endl;
	cout << "Title: " << b.title << endl;
	for (int i = 0; i < b.num_authors; ++i)
	{
		cout << "Author " << i+1 << ": ";
		cout << b.authors[i] << endl;
	}
	cout << "----------------" << endl;
}

//free the dynamic memory
void delete_books(Book* &arr, int size){
	for (int i = 0; i < size; ++i)
	{
		delete [] arr[i].authors;
		arr[i].authors = nullptr;
	}

	delete [] arr;
	arr = nullptr;
	cout << "inside delete: " << arr << endl;
	
}