#include <string>
#include <unordered_map>
#include <iostream>
#include <utility> // todo figure out what this iostream

#include "Book.h"

using namespace std;

class Library {
  public:  // member access specifier
    // attributes
    int available_books;
    string address;
    unordered_map<string, Book> books;  // mapping from isbn (string) ->  book (Book)


    // methods
    Library();  // constructor
    void insertBook(string, Book);
    int getAvailableBooks();
    void printLibrary();
};

Library::Library() {
  available_books = 0;
  address = "";
}

void Library::insertBook(string key, Book value) {
  pair<string,Book> bookToInsert (key, value);
  books.insert(bookToInsert);
  this->available_books++;
}

int Library::getAvailableBooks() {
  return this->available_books;
}

void Library::printLibrary() {
  // look up how to either
    // iterate hashmap -- they've probably got this function
    // or make a list of my keys and iterate through that, calling each key
  this->books["1234"].printBook();

}