using FluentAssertions;
using NUnit.Framework;
using Strata.ContinuousImprovement.Biz.UserSetting;
using Strata.ContinuousImprovement.JazzEntityFrameworkStub;
using System;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

namespace Strata.ContinuousImprovement.Biz.Test.Unit.Generics
{
    [TestFixture, Category("Unit")]
    public class UserSettingServieTest
    {
        [SetUp]
        public void TestSetUp()
        {
            // Method intentionally left empty.
        }

        [TestCaseSource(typeof(JazzEntityFrameworkFactory), nameof(JazzEntityFrameworkFactory.GetFrameworksWithCancellation))]
        public async Task TestGetUserSetting(JazzEntityFrameworkFactory jazzEntityFrameworkFactory, CancellationToken cancellationToken)
        {
            // arrange
            var userSettingService = new UserSettingService(jazzEntityFrameworkFactory, null, null, null);
            var userGuid = jazzEntityFrameworkFactory.UserSettings?.First().UserGuid ?? Guid.Empty;

            try
            {
                // act
                var taskResult = await userSettingService.GetById(userGuid, cancellationToken);

                // assert
                if (string.IsNullOrEmpty(jazzEntityFrameworkFactory.TestName))
                {
                    taskResult.Should().BeNull();
                }
                else
                {
                    taskResult.Should().NotBeNull()
                        .And.BeOfType<UserSetting.CciUserSetting>();
                }
            }
            catch (AssertionException ae)
            {
                ae.Should().BeOfType<AssertionException>();
            }
            catch (NullReferenceException nre)
            {
                nre.Should().BeOfType<NullReferenceException>();
            }
            catch (Exception e)
            {
                e.Should().BeOfType<OperationCanceledException>();
            }
        }

        [TestCaseSource(typeof(JazzEntityFrameworkFactory), nameof(JazzEntityFrameworkFactory.GetFrameworksWithCancellation))]
        public async Task TestSetUserSetting(JazzEntityFrameworkFactory jazzEntityFrameworkFactory, CancellationToken cancellationToken)
        {
            // arrange
            var userSettingService = new UserSettingService(jazzEntityFrameworkFactory, null, null, null);
            var userSetting = jazzEntityFrameworkFactory.UserSettings?.First();

            try
            {
                // act
                var taskResult = await userSettingService.SetUserSetting(userSetting, cancellationToken);

                // assert
                if (string.IsNullOrEmpty(jazzEntityFrameworkFactory.TestName))
                {
                    taskResult.Should().BeNull();
                }
                else
                {
                    taskResult.Should().NotBeNull()
                        .And.BeOfType<UserSetting.CciUserSetting>();
                }
            }
            catch (NullReferenceException nre)
            {
                nre.Should().BeOfType<NullReferenceException>();
            }
            catch (TaskCanceledException tce)
            {
                tce.Should().BeOfType<TaskCanceledException>();
            }
            catch (Exception e)
            {
                e.Should().BeOfType<OperationCanceledException>();
            }
        }

    }
}