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#include <iostream>
#include <string>
#include <iomanip>
#include <limits>
using namespace std;
const int MAX_NUM_DRINKS = 4;
const double DOLLAR = 1.00; // amounts in $.cc
const double QUARTER = 0.25;
const double DIME = 0.10;
const double NICKEL = 0.05;
//Function Prototypes
int displayDrinksAndGetUserChoice(const string[], const double[], const int[], int);
int displayOPerationsAndGetUserChoice();
void updateBeverageQty(int, int[]);
void updateSoldBeverageQty(int, int[]);
void ComputeTotalProfit(const double[], int[], double[], const int);
void DisplayTotalProfit(const string[], const double[], const int[], double[], const int);
int getBestPerformer(const double[], const int);
int getWorstPerformer(const double[], const int);
void displayBestDrink(const string[], const double[], const int[], double[], int);
void displayWorstDrink(const string[], const double[], const int[], double[], int);
bool isValidMoney(double);
double moneyHandler(double, double);
int main()
{
int operation;
int index = 0;
bool valid = false;
double change = 0.0;
double coin = 0.0;
string beverage[MAX_NUM_DRINKS] = { "Coca-Cola", "Sprite" , "Gatorade" , "Spring-Water" };
double price[MAX_NUM_DRINKS] = { /* Coca-Cola*/1.50, /*Sprite*/1.25, /*Gatorade*/2.25, /*Spring-Water*/ 1.85 };
int qtyOnHand[MAX_NUM_DRINKS] = {/* Coca-Cola*/20, /*Sprite*/20, /*Gatorade*/20, /*Spring-Water*/20 };
int qtySold[MAX_NUM_DRINKS] = { 0,0,0,0 };
double totalProfit[MAX_NUM_DRINKS];
int selectedDrink;
char userAnswer;
do
{
selectedDrink = displayDrinksAndGetUserChoice(beverage, price, qtyOnHand, MAX_NUM_DRINKS);
switch (selectedDrink)
{
case 1:
cout << "You selected: " << beverage[selectedDrink - 1] << endl;
cout << "Enter $1.50 Dollars to purchase a " << beverage[selectedDrink - 1] << endl;
change = moneyHandler(price[selectedDrink - 1], coin);
cout << "Dispensed change " << change << endl;
updateBeverageQty(selectedDrink - 1, qtyOnHand);
updateSoldBeverageQty(selectedDrink - 1, qtySold);
break;
case 2:
cout << "You selected: " << beverage[selectedDrink - 1] << endl;
cout << "Enter $ 1.25 Dollars to purchase a " << beverage[selectedDrink - 1] << endl;
//cin >> coin;
//moneyHandler(good, price[selectedDrink - 1], coin);
updateBeverageQty(selectedDrink - 1, qtyOnHand);
updateSoldBeverageQty(selectedDrink - 1, qtySold);
break;
case 3:
cout << "You selected: " << beverage[selectedDrink - 1] << endl;
cout << "Enter $ 2.25 Dollars to purchase a " << beverage[selectedDrink - 1] << endl;
//cin >> coin;
//moneyHandler(good, price[selectedDrink - 1], coin);
updateBeverageQty(selectedDrink - 1, qtyOnHand);
updateSoldBeverageQty(selectedDrink - 1, qtySold);
break;
case 4:
cout << "You selected: " << beverage[selectedDrink - 1] << endl;
cout << "Enter $ 1.85 Dollars to purchase a " << beverage[selectedDrink - 1] << endl;
//cin >> coin;
//moneyHandler(good, price[selectedDrink - 1], coin);
updateBeverageQty(selectedDrink - 1, qtyOnHand);
updateSoldBeverageQty(selectedDrink - 1, qtySold);
break;
default:
cout << "Please enter 1,2,3 or 4 only!" << endl;
}
cout << "Do you want to go again? (Y/n):";
cin >> userAnswer;
} while ((userAnswer == 'Y') || (userAnswer == 'y'));
do
{
operation = displayOPerationsAndGetUserChoice();
switch (operation)
{
case 1:
//calculate total profit
ComputeTotalProfit(price, qtySold, totalProfit, MAX_NUM_DRINKS);
DisplayTotalProfit(beverage, price, qtySold, totalProfit, MAX_NUM_DRINKS);
break;
case 2:
//Best
ComputeTotalProfit(price, qtySold, totalProfit, MAX_NUM_DRINKS);
index = getBestPerformer(totalProfit, MAX_NUM_DRINKS);
displayBestDrink(beverage, price, qtySold, totalProfit, index);
break;
case 3:
//worst
ComputeTotalProfit(price, qtySold, totalProfit, MAX_NUM_DRINKS);
index = getWorstPerformer(totalProfit, MAX_NUM_DRINKS);
displayWorstDrink(beverage, price, qtySold, totalProfit, index);
break;
case 4:
//Totals
ComputeTotalProfit(price, qtySold, totalProfit, MAX_NUM_DRINKS);
DisplayTotalProfit(beverage, price, qtySold, totalProfit, MAX_NUM_DRINKS);
break;
case 5:
default:
cout << "For operations please enter 1, 2, 3, or 4 only, key in 5 to exit" << endl;
}
} while ((operation < 1) && (operation >= 5));
system("PAUSE");
return 0;
}
//Function Money handler
double moneyHandler(double price, double coin)
{
// valid is first coin input checked
bool checking = false; //second coin input
double total_coin = 0.0;
double change = 0.0;
double addtional = 0.0;
bool cont = false;
bool valid = false;
do
{
cin >> coin;
valid = isValidMoney(coin);
cout << "taken " << valid << endl;
//total_coin += coin;
//change = static_cast <double> (price - total_coin);
if ((valid == true) && (total_coin < price) && ((coin == NICKEL) || (coin == DIME) || (coin == QUARTER) || (coin == DOLLAR)))
{
addtional = coin;
total_coin = total_coin + addtional;
coin = 0.0;
cout << addtional << " Dollars accepted" << endl;
addtional = 0;
cout << "You have added a total of " << total_coin << " Dollars" << endl;
change = static_cast <double> (price - total_coin);
cout << "You will still need to add " << change << " Dollars" << endl;
cout << "Please add more valid coins to pay for your drink" << endl;
cin >> coin;
checking = isValidMoney(coin);
cont = true;
if ((checking == true) && (cont == true) && (total_coin < price) && ((coin == NICKEL) || (coin == DIME) || (coin == QUARTER) || (coin == DOLLAR)))
{
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