static void Main(string[] args)
{
var A = new Product('A', 50);
var B = new Product('B', 30);
var C = new Product('C', 20);
var D = new Product('D', 15);
ICalculationService calculationService = new CalculationService();
IList <IPromotion> promotions = new List <IPromotion>
{
new BuyMoreSaveMore('A', 3, 130),
new BuyMoreSaveMore('B', 2, 45),
new ComboOffer(new List <char> {
'C', 'D'
}, 30)
};
//Scenario A
var items = new List <Item>()
{
new Item(A, 1), new Item(B, 1), new Item(C, 1)
};
var cart = new Cart(items, calculationService.CalculateTotalCost(items, promotions));
DisplayCart(cart, "Scenario A");
//Scenario B
items = new List <Item>()
{
new Item(A, 5), new Item(B, 5), new Item(C, 1)
};
cart = new Cart(items, calculationService.CalculateTotalCost(items, promotions));
DisplayCart(cart, "Scenario B");
//Scenario C
items = new List <Item>()
{
new Item(A, 3), new Item(B, 5), new Item(C, 1), new Item(D, 1)
};
cart = new Cart(items, calculationService.CalculateTotalCost(items, promotions));
DisplayCart(cart, "Scenario C");
System.Console.ReadLine();
}