#include <iostream>
#include <windows.h>
#include <vector>

using namespace std;

struct Product
{
    string name;
    float price;
    float code;
};

struct Order
{
    Product product;
    int amount;
    float sum;
};

void menu(vector<Product> pizza, vector<Product> drinks)
{
    cout << "~~~~~~~~~~ Пица у Адольфа ~~~~~~~~~~\n" << endl;
    cout << "...............Меню..............." << endl;

    cout << "Пиццы:\t\t\tЦена\tКод" << endl;
    for(int i = 0; i < pizza.size(); i++)
    cout << "\t" << i + 1 << ") " << pizza[i].name << "\t" << pizza[i].price << "$\t" << pizza[i].code << endl;

    cout << "\nНапитки:" << endl;
    for(int i = 0; i < drinks.size(); i++)
    cout << "\t" << i + 1 << ") " << drinks[i].name << "\t" << drinks[i].price << "$\t" << drinks[i].code << endl;
}


void check(vector<Order> order, float total_sum)
{
    cout << ".......... Чек ...........\n" <<endl;
    cout << "\t\t\tЦена" << endl;

    for(int i = 0; i < order.size(); i++)
        cout << order[i].product.name << "\t" << order[i].amount << "\t" << order[i].sum << endl;

    cout << "\nОбщая стоимось:\t\t" << total_sum;
}

int main()
{ 
    SetConsoleCP(65001);
    SetConsoleOutputCP(65001);

    
    vector<Product> pizza = {{"Пеперони", 12, 10}, {"BBQ", 14, 11}, {"4 Сыра", 300, 12}, {"Говно", 400, 13}};
    vector<Product> drinks = {{"Пепаси 0.5л", 2, 20}, {"Кола 1л", 5, 21}, {"Спирт", 8, 22}};


    vector<Order> order;

    while(1)
    {
        system("cls");
        menu(pizza, drinks);

        int c;
        int a;

        cout << "\nВведите код (9 для завершения заказа): ";
        cin >> c;
        
        if(c == 9)
            break;
        else
        {
            cout << "Введите количество: ";
            cin >> a;

            if(c / 10 == 1)
            {
                Order m;

                m.product = pizza[c % 10];
                m.amount = a;
                m.sum = a * pizza[c % 10].price;

                order.push_back(m);
            }
            else if(c / 10 == 2)
            {
                Order m;
                
                m.product = drinks[c % 10];
                m.amount = a;
                m.sum = a * drinks[c % 10].price;

                order.push_back(m);
            } 
        }
    }

    system("cls");
    int pizza_amount = 1;
    int drinks_amount = 0;
    float total_sum = 0;

    for(int i = 0; i < order.size(); i++) // стоимость без скидок
    {
        total_sum += order[i].sum;

        if(order[i].product.code / 10 == 2 && order[i].product.price > 2)
            drinks_amount += order[i].amount;
    }

    for(int i = 0; i < order.size(); i++) // cкидки
    {   
        if(total_sum > 50 && order[i].product.code / 10 == 1)  // скидки на пиццы
        {   
            for(int k = 0; k < order[i].amount; k++)
            {
                if(pizza_amount % 5 == 0)
                {
                    order[i].sum -= order[i].product.price;
                    pizza_amount = 1;
                }
                else
                    pizza_amount++;           
            }
            cout << endl;
        }
        if(order[i].product.code / 10 == 2 && order[i].product.price > 2 && drinks_amount > 3) //скидки на пиво
            order[i].sum *= 0.85;
    }

    total_sum = 0;
    for(int i = 0; i < order.size(); i++)
        total_sum += order[i].sum;


    check(order, total_sum);

    return 0;
}