coffee_calc

#include <iostream>
#include <string>
#include <limits>
#include <cmath>
#include <iomanip>

using namespace std;

void showMenu(); //a function to show the user how to use the program

void sellCoffee(int quantity, char size, double totalPrice, double smallPrice, double medPrice, double largePrice, int& totalCupsSmall, int& totalCupsMed, int& totalCupsLargem, double& grandTotal); //a function to sell coffee  -- Buy coffee in any size and in any number of cups.

void showCoffeeStats(int& totalCupsSmall, int& totalCupsMed, int& totalCupsLarge); //a function to show the number of cups of each size sold -- avaliable at any time.

void showTotalCoffee(int& totalCupsSmall, int& totalCupsMed, int& totalCupsLarge, int& allSizeTotal); //a function to show the total amount of coffee sold  -- avaliable at any time.

void showTotalMoney(double& grandTotal); //and a function to show the total money made.  -- avaliable at any time.

void exitProgram();

int main()

{

    int selection = 0;
    char size;
    int quantity = 0;
    double totalPrice = 0;

    //int smallOz=9;
    //int medOz=12;
    //int largeOz=15;

    double smallPrice = 1.75;
    double medPrice = 1.90;
    double largePrice = 2.00;

    int totalCupsSmall = 0;
    int totalCupsMed = 0;
    int totalCupsLarge = 0;

    double grandTotal = 0;
    int allSizeTotal =0;

    showMenu();

    while (true) {
        cout<<endl;

    cout << "\nPlease enter your selection: ";
    cin >> selection;

    if (selection == 1) {
        sellCoffee(quantity, size, totalPrice, smallPrice, medPrice, largePrice, totalCupsSmall, totalCupsMed, totalCupsLarge, grandTotal);
    }
    else if (selection == 2) {
        showCoffeeStats(totalCupsSmall, totalCupsMed, totalCupsLarge);
    }
    else if (selection == 3) {
        showTotalCoffee(totalCupsSmall, totalCupsMed, totalCupsLarge, allSizeTotal);
    }
    else if (selection == 4) {
        showTotalMoney(grandTotal);
    }
    else if (selection == 5) {
        exitProgram();
        }
    }

    return 0;
}

void showMenu()
{

    cout << "************Welcome to the Coffee Shop!************";
    cout << "\n               ****MENU****                      ";
    cout << "\n   Small Coffee  - $1.75                         ";
    cout << "\n   Medium Coffee - $1.90                         ";
    cout << "\n   Large Coffee  - $2.00                         ";
    cout << "\n   Press '1' to order your own coffee!           ";
    cout << "\n   Press '2' to see the total cups sold!         ";
    cout << "\n   Press '3' to see the total coffee sold!       ";
    cout << "\n   Press '4' to see the total money earned!      ";
    cout << "\n   Press '5' to exit the program!                ";
    cout << "\n*************************************************";
    cout << endl;
};

void sellCoffee(int quantity, char size, double totalPrice, double smallPrice, double medPrice, double largePrice, int& totalCupsSmall, int& totalCupsMed, int& totalCupsLarge, double& grandTotal)
{

    cout << "\nWhat size coffee would you like to purchase?(S=Small / M=Med / L=Large): ";
    cin >> size;
    cout << "\nHow many coffee would you like to order?: " << quantity;
    cin >> quantity;
    cout << "\nWould you like to order another size of coffee?: ";

    if (size == 'S' || size == 's') {
        totalPrice = (quantity * smallPrice);
        totalCupsSmall += quantity;
    }
    else if (size == 'M' || size == 'm') {
        totalPrice = (quantity * medPrice);
        totalCupsMed += quantity;
    }
    else if (size == 'L' || size == 'l') {
        totalPrice = (quantity * largePrice);
        totalCupsLarge += quantity;
    }

    grandTotal += totalPrice;

    cout << "\nAwesome, thank you! These are your order details!: ";
    cout << fixed << showpoint << setprecision(2);
    cout << "\n Number of cups ordered: " << quantity;
    cout << "\n Size of coffee ordered: " << size;
    cout << "\n Total Price of order: $" << totalPrice;


};

void showCoffeeStats(int& totalCupsSmall, int& totalCupsMed, int& totalCupsLarge)
{

    cout << "\nHere are the total stats for each size of coffee sold: ";
    cout << "\nLarge Coffee: " <<totalCupsLarge;
    cout << "\nMedium Coffee: " <<totalCupsMed;
    cout << "\nSmall Coffee: " <<totalCupsSmall;


};

void showTotalMoney(double& grandTotal)
{

    cout << fixed << showpoint << setprecision(2);
    cout << "\nTotal Money Earned: $" << grandTotal;

};

void showTotalCoffee(int& totalCupsSmall, int& totalCupsMed, int& totalCupsLarge, int& allSizeTotal)
{

    allSizeTotal = (totalCupsLarge + totalCupsMed + totalCupsSmall);
    cout << "\nHere is the total number of coffee cups sold (all sizes): " << allSizeTotal;
};

void exitProgram()
{
    exit(0);
};