using FluentAssertions;
using Moq;
using NUnit.Framework;
using Strata.ContinuousImprovement.Api.Controllers;
using Strata.ContinuousImprovement.Biz.ChargeCode.Initiatives;
using Strata.ContinuousImprovement.Biz.Initiatives;
using Strata.ContinuousImprovement.Biz.Mappers;
using Strata.ContinuousImprovement.Biz.Test.Unit.Utilities;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

namespace Strata.ContinuousImprovement.Api.Test.Unit.Controllers
{
    [TestFixture, Category("Unit"), Category("Controller")]
    public class ChargeCodeInitiativesControllerTests
    {

        [TestCaseSource(nameof(DevDbTestCases1))]
        [TestCaseSource(nameof(TestCases))]
        public async Task Test(ChargeCodeInitiativesController controller, Guid opportunityGuid, Guid expected)
        {
            var dto = new InitiativeDto
            {
                OpportunityGuid = opportunityGuid,
                TrackingStart = DateTime.Now.ToString("yyyy/MM/dd")
            };
            var result = await controller.Create(dto, CancellationToken.None);
            var actual = result.Value;
            actual.Should().Be(expected);
        }


        public static IEnumerable<TestCaseData> DevDbTestCases1()
        {
            var foundOpportunityGuid = Guid.NewGuid();
            var notFoundOpportunityGuid = Guid.NewGuid();
            var newInitiative = Guid.NewGuid();
            var stakeholderUsers = Mock.Of<IStakeholderUser>();
            var clientClaimsPrincipalAccessor = TestUtilities.GetClaimsPrincipalAccessor();
            var service = Mock.Of<ICCInitiativeService>();
            Mock.Get(service)
                .Setup(s => s.CreateChargeCodeInitiative(It.IsAny<Guid>(), It.IsAny<Initiative>(),
                    It.IsIn(new[] { foundOpportunityGuid }.AsEnumerable()), It.IsAny<CancellationToken>()))
                .Returns(Task.FromResult(newInitiative));
            var controller = new ChargeCodeInitiativesController(clientClaimsPrincipalAccessor, service, stakeholderUsers);

            var notFoundService = Mock.Of<ICCInitiativeService>();
            Mock.Get(notFoundService)
                .Setup(s => s.CreateChargeCodeInitiative(It.IsAny<Guid>(), It.IsAny<Initiative>(),
                    It.IsNotIn(new[] { foundOpportunityGuid }.AsEnumerable()), It.IsAny<CancellationToken>()))
                .Returns(Task.FromResult(Guid.Empty));
            var notFoundController = new ChargeCodeInitiativesController(clientClaimsPrincipalAccessor, notFoundService, stakeholderUsers);

            yield return new TestCaseData(controller, foundOpportunityGuid, newInitiative)
                .SetName("Dev Db Opportunity Found");
            yield return new TestCaseData(controller, notFoundOpportunityGuid, Guid.Empty)
                .SetName("Dev Db Opportunity Not Found");
            yield return new TestCaseData(notFoundController, notFoundOpportunityGuid, Guid.Empty)
                .SetName("Dev Db Opportunity Not Found 1");
        }

        public static IEnumerable<TestCaseData> TestCases()
        {
            var foundOpportunityGuid = Guid.NewGuid();
            var notFoundOpportunityGuid = Guid.NewGuid();
            var stakeholderUsers = Mock.Of<IStakeholderUser>();
            var service = Mock.Of<ICCInitiativeService>();
            Mock.Get(service)
                .Setup(s => s.CreateChargeCodeInitiative(It.IsIn(new[] { new Guid(TestUtilities.ClientDbGuid) }.AsEnumerable()),
                    It.IsAny<Initiative>(), It.IsIn(new[] { foundOpportunityGuid }.AsEnumerable()), It.IsAny<CancellationToken>()))
                .Throws<Exception>();
            var clientClaimsPrincipalAccessor = TestUtilities.GetClaimsPrincipalAccessor(isClientDatabase: true);
            var controller = new ChargeCodeInitiativesController(clientClaimsPrincipalAccessor, service, stakeholderUsers);

            yield return new TestCaseData(controller, foundOpportunityGuid, Guid.Empty)
                .SetName("Client Db Opportunity Found");
            yield return new TestCaseData(controller, notFoundOpportunityGuid, Guid.Empty)
                .SetName("Client Db Opportunity Not Found");
        }

    }
}