//Customer chooses a soda
public static string MakeSelection(SodaMachine sodaMachine, string paymentMethod)
{
Console.WriteLine("Please make a selection: \n");
sodaMachine.DisplayCurrentInventory();
string userInput;
string verifiedUserInput;
if (paymentMethod == "1") // Display if card payment
{
Console.Write("Select a soda: ");
userInput = Console.ReadLine();
verifiedUserInput = Verification.VerifyUserInput(userInput, 1, 3); // Only allow customer to choose a soda
}
else // Display if coin payment
{
Console.Write("\nSelect a soda, or enter 0 to insert more coins: ");
userInput = Console.ReadLine();
verifiedUserInput = Verification.VerifyUserInput(userInput, 0, 3); // Allow customer to choose to input more coins
if (verifiedUserInput == "0") // Return to prompt interface to enter more coins
{
return(verifiedUserInput);
}
}
bool canExists = false;
while (!canExists)
{
switch (verifiedUserInput)
{
case "1":
canExists = Verification.CheckIfObjectExists(sodaMachine.inventory, "Cola");
break;
case "2":
canExists = Verification.CheckIfObjectExists(sodaMachine.inventory, "Orange Soda");
break;
case "3":
canExists = Verification.CheckIfObjectExists(sodaMachine.inventory, "Root Beer");
break;
}
if (!canExists) // Prompt to make another choice if soda their is sold out
{
Console.WriteLine("This soda is sold out. Please make another selection.");
userInput = Console.ReadLine();
verifiedUserInput = Verification.VerifyUserInput(userInput, 1, 3);
}
}
return(verifiedUserInput);
}
//GIVE BACK CHANGE
private bool DispenseChange(double changeDue)
{
// Check total change available, make sure change available is greater than change due
bool canGiveExactChange = false;
while (Math.Round(changeDue, 2) >= 0.25)
{
//Check for quarters
bool coinExists = Verification.CheckIfObjectExists(register, "Quarter");
if (coinExists)
{
for (int i = 0; i < register.Count; i++)
{
//Loop through and remove quarter
if (register[i].name == "Quarter")
{
//Add remove coins to hopper
hopperOut.Add(register[i]);
register.RemoveAt(i); // Remove coin from register
changeDue = Math.Round(changeDue - 0.25, 2); // Decrease change due
break;
}
}
}
else
{
break;
}
}
while (Math.Round(changeDue, 2) >= 0.10)
{
bool coinExists = Verification.CheckIfObjectExists(register, "Dime");
if (coinExists)
{
for (int i = 0; i < register.Count; i++)
{
//Iterate through and remove dime
if (register[i].name == "Dime")
{
// Add removed coins to hopper
hopperOut.Add(register[i]);
register.RemoveAt(i); // Remove coin from register
changeDue = Math.Round(changeDue - 0.10, 2); // Decrease change due
break;
}
}
}
else
{
break;
}
}
while (Math.Round(changeDue, 2) >= 0.05)
{
bool coinExists = Verification.CheckIfObjectExists(register, "Nickel");
if (coinExists)
{
for (int i = 0; i < register.Count; i++)
{
//Iterate throu and remove Nickel
if (register[i].name == "Nickel")
{
//Add remove coins to hopper
hopperOut.Add(register[i]);
register.RemoveAt(i); // Remove coin from register
changeDue = Math.Round(changeDue - 0.05, 2); // Decrease change due
break;
}
}
}
else
{
break;
}
}
while (Math.Round(changeDue, 2) > 0)
{
bool coinExists = Verification.CheckIfObjectExists(register, "Penny");
if (coinExists)
{
for (int i = 0; i < register.Count; i++)
{
// Iterate through and remove penny
if (register[i].name == "Penny")
{
//Add removed coins to hopper
hopperOut.Add(register[i]);
register.RemoveAt(i); // Remove coin from register
changeDue = Math.Round(changeDue - 0.01, 2); // Decrease change due
break;
}
}
}
else
{
break;
}
}
// Add removed coins to hopper, dispense only if reach even change
if (Math.Round(changeDue, 2) == 0.00)
{
canGiveExactChange = true;
// Transfer coins from hopper to customer
return(canGiveExactChange);
}
else
{
// Return coins to machine register
return(canGiveExactChange);
}
}
//Insert user payment
public void InsertPayment(SodaMachine sodaMachine)
{
DisplayContents(wallet);
Console.WriteLine("\nType 1 to insert quarter\nType 2 to insert dime\nType 3 to insert nickel\nType 4 to insert penny");
string userInput = Console.ReadLine();
string verifiedUserInput = Verification.VerifyUserInput(userInput, 1, 4);
Coin insertedCoin = null;
while (insertedCoin == null)
{
switch (verifiedUserInput)
{
case "1":
bool coinExists = Verification.CheckIfObjectExists(wallet.coins, "Quarter");
if (coinExists)
{
for (int i = 0; i < wallet.coins.Count; i++)
{
if (wallet.coins[i].name == "Quarter")
{
insertedCoin = wallet.coins[i];
wallet.coins.RemoveAt(i);
break;
}
}
}
else
{
Console.WriteLine("You do not have any quarters to insert. Choose another coin.");
userInput = Console.ReadLine();
verifiedUserInput = Verification.VerifyUserInput(userInput, 1, 4);
break;
}
break;
case "2":
coinExists = Verification.CheckIfObjectExists(wallet.coins, "Dime");
if (coinExists)
{
for (int i = 0; i < wallet.coins.Count; i++)
{
if (wallet.coins[i].name == "Dime")
{
insertedCoin = wallet.coins[i];
wallet.coins.RemoveAt(i);
break;
}
}
}
else
{
Console.WriteLine("You do not have any dimes to insert. Choose another coin.");
userInput = Console.ReadLine();
verifiedUserInput = Verification.VerifyUserInput(userInput, 1, 4);
break;
}
break;
case "3":
coinExists = Verification.CheckIfObjectExists(wallet.coins, "Nickel");
if (coinExists)
{
for (int i = 0; i < wallet.coins.Count; i++)
{
if (wallet.coins[i].name == "Nickel")
{
insertedCoin = wallet.coins[i];
wallet.coins.RemoveAt(i);
break;
}
}
}
else
{
Console.WriteLine("You do not have any nickels to insert. Choose another coin.");
userInput = Console.ReadLine();
verifiedUserInput = Verification.VerifyUserInput(userInput, 1, 4);
break;
}
break;
case "4":
coinExists = Verification.CheckIfObjectExists(wallet.coins, "Penny");
if (coinExists)
{
for (int i = 0; i < wallet.coins.Count; i++)
{
if (wallet.coins[i].name == "Penny")
{
insertedCoin = wallet.coins[i];
wallet.coins.RemoveAt(i);
break;
}
}
}
else
{
Console.WriteLine("You do not have any pennies to insert. Choose another coin.");
userInput = Console.ReadLine();
verifiedUserInput = Verification.VerifyUserInput(userInput, 1, 4);
break;
}
break;
}
}
sodaMachine.hopperIn.Add(insertedCoin);
}
