static void Order(ref Navigator nav)
{
Console.WriteLine("Let's build your order! Type in the format 1 10 for 10 of product 1.");
Console.WriteLine("Type 'end' to stop, 'buy' to submit the order, or select from the following: ");
while (true)
{
try
{
nav.CurrentStore.PrintAvailableProducts();
string[] input = Console.ReadLine().Split(' ');
Console.WriteLine("");
if (input.Length >= 1)
{
if (input[0].ToLower() == "end")
{
nav.ClearCart();
break;
}
else if (input[0].ToLower() == "buy")
{
nav.SubmitCart();
Console.WriteLine("Order submitted!");
break;
}
else if (input.Length > 1)
{
int productId = int.Parse(input[0]);
int quantity = int.Parse(input[1]);
nav.AddProductToCart(productId, quantity);
nav.PrintCart();
}
else
{
throw new Exception("Invalid input.");
}
}
}
catch (Exception e)
{
Console.WriteLine($"Error: {e.Message}. Please enter a valid input.");
Console.WriteLine("");
}
}
}
