eShopOnContainers/src/Tests/Services/Application.FunctionalTests/Services/Ordering/OrderingScenarios.cs

namespace FunctionalTests.Services.Ordering;

public class OrderingScenarios : OrderingScenariosBase
{
    [Fact]
    public async Task Cancel_basket_and_check_order_status_cancelled()
    {
        using var orderServer = new OrderingScenariosBase().CreateServer();
        using var basketServer = new BasketScenariosBase().CreateServer();
        // Expected data
        var cityExpected = $"city-{Guid.NewGuid()}";
        var orderStatusExpected = "cancelled";

        var basketClient = basketServer.CreateIdempotentClient();
        var orderClient = orderServer.CreateIdempotentClient();

        // GIVEN a basket is created 
        var contentBasket = new StringContent(BuildBasket(), UTF8Encoding.UTF8, "application/json");
        await basketClient.PostAsync(BasketScenariosBase.Post.CreateBasket, contentBasket);

        // AND basket checkout is sent
        await basketClient.PostAsync(BasketScenariosBase.Post.CheckoutOrder, new StringContent(BuildCheckout(cityExpected), UTF8Encoding.UTF8, "application/json"));

        // WHEN Order is created in Ordering.api
        var newOrder = await TryGetNewOrderCreated(cityExpected, orderClient);

        // AND Order is cancelled in Ordering.api
        await orderClient.PutAsync(OrderingScenariosBase.Put.CancelOrder, new StringContent(BuildCancelOrder(newOrder.OrderNumber), UTF8Encoding.UTF8, "application/json"));

        // AND the requested order is retrieved
        var order = await TryGetOrder(newOrder.OrderNumber, orderClient);

        // THEN check status
        Assert.Equal(orderStatusExpected, order.Status);
    }

    async Task<Order> TryGetOrder(string orderNumber, HttpClient orderClient)
    {
        var ordersGetResponse = await orderClient.GetStringAsync(OrderingScenariosBase.Get.Orders);
        var orders = JsonSerializer.Deserialize<List<Order>>(ordersGetResponse, new JsonSerializerOptions
        {
            PropertyNameCaseInsensitive = true
        });

        return orders.Single(o => o.OrderNumber == orderNumber);
    }

    private async Task<Order> TryGetNewOrderCreated(string city, HttpClient orderClient)
    {
        var counter = 0;
        Order order = null;

        while (counter < 20)
        {
            //get the orders and verify that the new order has been created
            var ordersGetResponse = await orderClient.GetStringAsync(OrderingScenariosBase.Get.Orders);
            var orders = JsonSerializer.Deserialize<List<Order>>(ordersGetResponse, new JsonSerializerOptions
            {
                PropertyNameCaseInsensitive = true
            });

            if (orders == null || orders.Count == 0)
            {
                counter++;
                await Task.Delay(100);
                continue;
            }

            var lastOrder = orders.OrderByDescending(o => o.Date).First();
            int.TryParse(lastOrder.OrderNumber, out int id);
            var orderDetails = await orderClient.GetStringAsync(OrderingScenariosBase.Get.OrderBy(id));
            order = JsonSerializer.Deserialize<Order>(orderDetails, new JsonSerializerOptions
            {
                PropertyNameCaseInsensitive = true
            });
                
            order.City = city;

            if (IsOrderCreated(order, city))
            {
                break;
            }
        }

        return order;
    }

    private bool IsOrderCreated(Order order, string city)
    {
        return order.City == city;
    }

    string BuildBasket()
    {
        var order = new CustomerBasket("9e3163b9-1ae6-4652-9dc6-7898ab7b7a00");
        order.Items = new List<Microsoft.eShopOnContainers.Services.Basket.API.Model.BasketItem>()
        {
            new Microsoft.eShopOnContainers.Services.Basket.API.Model.BasketItem()
            {
                Id = "1",
                ProductName = "ProductName",
                ProductId = 1,
                UnitPrice = 10,
                Quantity = 1
            }
        };
        return JsonSerializer.Serialize(order);
    }

    string BuildCancelOrder(string orderId)
    {
        var order = new OrderDTO()
        {
            OrderNumber = orderId
        };
        return JsonSerializer.Serialize(order);
    }

    string BuildCheckout(string cityExpected)
    {
        var checkoutBasket = new BasketDTO()
        {
            City = cityExpected,
            Street = "street",
            State = "state",
            Country = "coutry",
            ZipCode = "zipcode",
            CardNumber = "1111111111111",
            CardHolderName = "CardHolderName",
            CardExpiration = DateTime.Now.AddYears(1),
            CardSecurityNumber = "123",
            CardTypeId = 1,
            Buyer = "Buyer",
            RequestId = Guid.NewGuid()
        };

        return JsonSerializer.Serialize(checkoutBasket);
    }
}