using System;
using System.Threading.Tasks;
using NUnit.Framework;
using Moq;
using LCU.Api.Internal.CoreApiWrapper.Services;
using LCU.Library.Internal.CoreApiWrapperLib.DataAccess;
using LCU.Library.Internal.CoreApiWrapperModel.CoreModels.Associate;
using LCU.Library.Internal.Exceptions;

namespace LCU.Api.Internal.CoreApiWrapperTest.Service
{
    public class AssociateServiceTest
    {
        private readonly AssociateService _associateService;
        private readonly Mock<IAssociateDao> _mockAssociateDao;

        public AssociateServiceTest()
        {
            _mockAssociateDao = new Mock<IAssociateDao>();
            _associateService = new AssociateService(_mockAssociateDao.Object);
        }

        [Test]
        public void GetAssociateDetailsBySsn_Exception_Returns_Null()
        {
            var taxId = Guid.NewGuid().ToString();

            _mockAssociateDao.Setup(x => x.GetAssociateDetailsBySsn(It.IsAny<string>())).Throws(new Exception());

            Assert.ThrowsAsync<ServiceException>(() => _associateService.GetAssociateDetailsBySsn(taxId));
        }

        [Test]
        public async Task GetAssociateDetailsBySsn_Returns_PersonAssociateDetails()
        {
            var taxId = Guid.NewGuid().ToString();

            var associateDetails = new AssociateDetails
            {
                PersonNumber = DateTime.Now.Millisecond
            };

            _mockAssociateDao.Setup(x => x.GetAssociateDetailsBySsn(It.IsAny<string>())).ReturnsAsync(associateDetails).Verifiable();

            var result = await _associateService.GetAssociateDetailsBySsn(taxId);

            Assert.NotNull(result);
            Assert.AreEqual(associateDetails.PersonNumber, result.PersonNumber);
            _mockAssociateDao.Verify();
        }
    }
}