using Microsoft.eShopOnContainers.Services.Basket.API.Model;
//using Microsoft.eShopOnContainers.Services.Ordering.API.Application.Queries;
using Microsoft.eShopOnContainers.WebMVC.ViewModels;
using Newtonsoft.Json;
using Ordering.FunctionalTests.Base;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using WebMVC.Models;
using Xunit;

namespace Ordering.FunctionalTests
{
    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.Checkout, 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 TryGetNewOrderCreated(cityExpected, orderClient);

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

        [Fact]
        public async Task Get_get_all_stored_orders_and_response_ok_status_code()
        {
            using (var server = CreateServer())
            {
                var response = await server.CreateClient()
                    .GetAsync(Get.Orders);

                response.EnsureSuccessStatusCode();
            }
        }

        [Fact]
        public async Task Cancel_order_no_order_created_bad_request_response()
        {
            using (var server = CreateServer())
            {
                var content = new StringContent(BuildOrder(), UTF8Encoding.UTF8, "application/json");
                var response = await server.CreateIdempotentClient()
                    .PutAsync(Put.CancelOrder, content);

                Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
            }
        }

        [Fact]
        public async Task Ship_order_no_order_created_bad_request_response()
        {
            using (var server = CreateServer())
            {
                var content = new StringContent(BuildOrder(), UTF8Encoding.UTF8, "application/json");
                var response = await server.CreateIdempotentClient()
                    .PutAsync(Put.ShipOrder, content);

                Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
            }
        }

        string BuildOrder()
        {
            var order = new OrderDTO()
            {
                OrderNumber = "-1"
            };
            return JsonConvert.SerializeObject(order);
        }

        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 = JsonConvert.DeserializeObject<List<Order>>(ordersGetResponse);

                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 = JsonConvert.DeserializeObject<Order>(orderDetails);

                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 JsonConvert.SerializeObject(order);
        }

        string BuildCancelOrder(string orderId)
        {
            var order = new OrderDTO()
            {
                OrderNumber = orderId
            };
            return JsonConvert.SerializeObject(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 JsonConvert.SerializeObject(checkoutBasket);
        }
    }
}