public static void PaymentChoice(List <Product> shoppingCart)
{
decimal subTotal = 0m, salesTax = 0m, grandTotal = 0m, change = 0m;
bool valid = false;
Console.WriteLine();
//displays users totals
foreach (Product item in shoppingCart)
{
subTotal = Math.Round((Payment.STotal(item.Quantity, item.PriceEach) + subTotal), 2, MidpointRounding.ToZero);
salesTax = Math.Round((Payment.Tax(subTotal) + salesTax), 2, MidpointRounding.ToZero);
}
grandTotal = Math.Round((Payment.GrandTotal(subTotal, salesTax)), 2, MidpointRounding.ToZero);
//displays users shopping cart
Console.WriteLine("You have selected the following items:\n");
foreach (var product in shoppingCart)
{
Console.WriteLine($"{product.Quantity} x {product.Name} @ {product.PriceEach.ToString("C2")}");
}
Console.WriteLine($"\nSubtotal: {subTotal.ToString("C2")}\nSales Tax: {salesTax.ToString("C2")}\n\nGrand Total: {grandTotal.ToString("C2")}\n");
Console.WriteLine("Continuing to Checkout screen in 5 seconds");
Thread.Sleep(5000);
do
{
//clearing screen to make it neat
Console.Clear();
//displays grand total to be paid
Console.WriteLine($"Grand Total: {grandTotal.ToString("C2")}\n");
//allows user to select method of payment
Console.WriteLine("\nPayment choice: Cash, Credit, Check..");
string paymentType = Validation.ValidPaymentType(Console.ReadLine());
if (paymentType == "cash")
{
//sends grandtotal to PayCash method and allows user to enter exact amount or more than needed to return change. Will not allow partial payments
change = Payment.PayCash(grandTotal);
Thread.Sleep(5000);
Console.Clear();
//sends items and change to receipt list
Receipt.DisplayCashReceipt(shoppingCart, change);
}
else if (paymentType == "credit" || paymentType == "credit card" || paymentType == "card")
{
//user enters cc number
Console.WriteLine("Please enter your credit card number");
string ccNumber = Validation.ValidCreditCard(Console.ReadLine());
//sends cc number to Payment class to gather remaining info to validate
Payment.CCPayment(ccNumber);
Console.WriteLine("Successful! Please wait for your receipt");
Thread.Sleep(5000);
Console.Clear();
//sends items and cc number to receipt
Receipt.DisplayCreditCardReceipt(shoppingCart, ccNumber);
}
else if (paymentType == "check")
{
//validates check number
Console.WriteLine("Please enter your check number");
int checknum = Validation.ValidCheck(Console.ReadLine());
Console.WriteLine("Please wait");
Thread.Sleep(5000);
Console.Clear();
//sends items and check number to receipt
Receipt.DisplayCheckReceipt(shoppingCart, checknum);
}
} while (valid == true);
}
