private void Button_Buy_Click(object sender, EventArgs e)
{
Product product = allProducts.FindLast(p => p.Id.Equals(ComboBox_Products.SelectedIndex + 1));
int amount;
bool amountParsed = Int32.TryParse(TextBox_Amount.Text, out amount);
if (amountParsed)
{
bool productEnough = productServices.IsProductEnough(product, amount);
bool cardExists = cardServices.IsCardExists(TextBox_CardNumber.Text);
bool discountExists = true;
bool discountUsed = false;
if (TextBox_DiscountCode.Text.Trim(' ').Length > 0)
{
discountExists = discountServices.IsDiscountExists(TextBox_DiscountCode.Text.Trim(' '));
discountUsed = true;
}
if (productEnough && discountExists && cardExists)
{
string answer = productServices.BuyProduct(product, amount);
discountServices.UseCode(TextBox_DiscountCode.Text.Trim(' '));
Card currentCard = cardServices.GetCard(TextBox_CardNumber.Text);
cardProductServices.BuyProductWithCard(product, currentCard, amount, discountUsed);
Console.WriteLine(answer);
}
else if (!productEnough)
{
Console.WriteLine("product Not Enough");
}
else if (!discountExists)
{
Console.WriteLine("discount does not exist");
}
}
else
{
Console.WriteLine("wrong amount entered");
}
}
