//static void Main(string[] args)
//{
// Buy(new MoneyAmount { Amount = 12, CurrencySymbol = "USD" },
// new MoneyAmount { Amount = 10, CurrencySymbol = "USD" });
// Buy(new MoneyAmount { Amount = 7, CurrencySymbol = "USD" },
// new MoneyAmount { Amount = 10, CurrencySymbol = "USD" });
// IsHappyHour = true;
// Buy(new MoneyAmount { Amount = 7, CurrencySymbol = "USD" },
// new MoneyAmount { Amount = 10, CurrencySymbol = "USD" });
// Console.ReadKey();
//}
static void MainX(string[] args)
{
Buy(new MoneyAmount(12, "USD"),
new MoneyAmount(10, "USD"));
Buy(new MoneyAmount(7, "USD"),
new MoneyAmount(10, "USD"));
IsHappyHour = true;
Buy(new MoneyAmount(7, "USD"),
new MoneyAmount(10, "USD"));
var x = new MoneyAmount(2, "USD");
var y = new MoneyAmount(4, "USD");
if (x.Equals(y))
{
Console.WriteLine("Equal");
}
if ((x * 2).Equals(y))
{
Console.WriteLine("Equal after scaling");
}
Console.ReadKey();
}
//static void Reserve(MoneyAmount cost)
//{
// if (IsHappyHour)
// cost.Amount *= .5M;
// Console.WriteLine("\nReserving an item that costs {0}.",cost);
//}
//static MoneyAmount Reserve(MoneyAmount cost)
//{
// MoneyAmount newCost = cost;
// if (IsHappyHour)
// {
// newCost = new MoneyAmount
// {
// Amount = cost.Amount * .5M,
// CurrencySymbol = cost.CurrencySymbol
// };
// }
// Console.WriteLine("\nReserving an item that costs {0}.", cost);
// return newCost;
//}
//static MoneyAmount Reserve(MoneyAmount cost)
//{
// MoneyAmount newCost = cost;
// if (IsHappyHour)
// {
// newCost = new MoneyAmount(cost.Amount * .5M, cost.CurrencySymbol);
// }
// Console.WriteLine("\nReserving an item that costs {0}.", cost);
// return newCost;
//}
//static MoneyAmount Scale(MoneyAmount amount, decimal factor) =>
// new MoneyAmount(amount.Amount * factor, amount.CurrencySymbol);
//static MoneyAmount Reserve(MoneyAmount cost)
//{
// MoneyAmount newCost = cost;
// if (IsHappyHour)
// {
// newCost = Scale(cost, .5M);
// }
// Console.WriteLine("\nReserving an item that costs {0}.", cost);
// return newCost;
//}
static MoneyAmount Reserve(MoneyAmount cost)
{
decimal factor = 1;
if (IsHappyHour)
{
factor = .5M;
}
Console.WriteLine("\nReserving an item that costs {0}.", cost);
return(cost.Scale(factor));
}
//static MoneyAmount Reserve(MoneyAmount cost)
//{
// decimal factor = 1;
// if (IsHappyHour)
// {
// factor = .5M;
// }
// Console.WriteLine("\nReserving an item that costs {0}.", cost);
// return cost * factor;
//}
static void Buy(MoneyAmount wallet, MoneyAmount cost)
{
bool enoughMoney = wallet.Amount >= cost.Amount;
var finalCost = Reserve(cost);
bool finalEnough = wallet.Amount >= finalCost.Amount;
if (enoughMoney && finalEnough)
{
Console.WriteLine("You will pay {0} with your {1}.", cost, wallet);
}
else if (finalEnough)
{
Console.WriteLine("This time, {0} will be enough to pay {1}.", wallet, finalCost);
}
else
{
Console.WriteLine("You cannot pay {0} with your {1}.", cost, wallet);
}
}
