using Microsoft.Extensions.Caching.Memory;
using Microsoft.Extensions.DependencyInjection;
using Persistence.Client;
using Persistence.Client.Clients;
using Persistence.Client.Clients.Interfaces;
using Persistence.Database.Entity;
using Persistence.Models;
using Xunit;

namespace Persistence.IntegrationTests.Controllers
{
	public class DataSourceSystemControllerTest : BaseIntegrationTest
	{
		private static readonly string SystemCacheKey = $"{typeof(Database.Entity.DataSourceSystem).FullName}CacheKey";
		private readonly IDataSourceSystemClient dataSourceSystemClient;
		private readonly IMemoryCache memoryCache;
		public DataSourceSystemControllerTest(WebAppFactoryFixture factory) : base(factory)
		{
			var scope = factory.Services.CreateScope();
			var persistenceClientFactory = scope.ServiceProvider
				.GetRequiredService<PersistenceClientFactory>();

			dataSourceSystemClient = persistenceClientFactory.GetDataSourceSystemClient();
			memoryCache = scope.ServiceProvider.GetRequiredService<IMemoryCache>();
		}

		[Fact]
		public async Task Get_returns_success()
		{
			//arrange
			memoryCache.Remove(SystemCacheKey);
			dbContext.CleanupDbSet<DataSourceSystem>();

			//act
			var response = await dataSourceSystemClient.Get(CancellationToken.None);

			//assert
			Assert.NotNull(response);
			Assert.Empty(response);
		}

		[Fact]
		public async Task Get_AfterSave_returns_success()
		{
			//arrange
			await Add();

			//act
			var response = await dataSourceSystemClient.Get(CancellationToken.None);

			//assert
			Assert.NotNull(response);

			var expectedSystemCount = 1;
			var actualSystemCount = response!.Count();
			Assert.Equal(expectedSystemCount, actualSystemCount);
		}

		[Fact]
		public async Task Add_returns_success()
		{
			await Add();
		}

		private async Task Add()
		{
			//arrange
			memoryCache.Remove(SystemCacheKey);
			dbContext.CleanupDbSet<DataSourceSystem>();

			var dto = new DataSourceSystemDto() 
			{
				SystemId = Guid.NewGuid(),
				Name = "Test",
				Description = "Test"
			};

			//act
			await dataSourceSystemClient.Add(dto, CancellationToken.None);
		}
	}
}