customer.h

#ifndef CUSTOMER_H
#define CUSTOMER_H

#include <string>
#include <vector>
#include "basket.h"
#include "ordered_books.h"
#include "utils.h"
#include "person.h"


using namespace std;

//Class Customer - inherits from class Person
//Contains private variables: money, basket, ordered_books, preferences

class Customer : public Person {
public:
    Customer(string name, string surname, unsigned int cardId, double money);

    Customer() = default;;

    ~Customer() override = default;

//getters for variables
    double get_money() const { return money; }

    Basket &get_basket() { return basket; }

    OrderedBooks &get_ordered() { return ordered_books; }

    const vector<string> &get_preferences() const { return preferences; }

//methods to add or remove specified elements from collection
    void add_preference(string preference);

    bool remove_preference(string preference);

    void add_to_basket(Book &book);

    void remove_from_basket(int book_id);

    void add_to_ordered_books(Book &book);

    void remove_from_ordered_books(int book_id);

//methods to get string from objects
    string to_string() const override;

    string preferences_to_string() const;

//method to set variable
    void set_money(double new_money) { money = new_money; };

//operators overloading
    friend bool operator==(const Customer &c1, const Customer &c2);

    friend bool operator!=(const Customer &c1, const Customer &c2);

    friend ostream &operator<<(ostream &os, const Customer &dt);

    Customer &operator=(const Customer &c);

private:
    double money{};
    Basket basket;
    OrderedBooks ordered_books;
    vector<string> preferences;
};

#endif