using Moq;
using Microsoft.EntityFrameworkCore;
using Xunit;
using LCU.Library.Internal.CoreApiWrapperModel.CoreModels.CoreRequests;
using LCU.Library.Internal.CoreApiWrapperModel.CoreModels.Transaction;
using ReserveManagementSystemApi.Helpers;
using ReserveManagementSystemApi.Mappers;
using ReserveManagementSystemApi.ServiceClients;
using ReserveManagementSystemApi.Services;
using ReserveManagementSystemLib.Configuration;
using ReserveManagementSystemLib.Models;
using ReserveManagementSystemLib.Repositories;
using ReserveManagementSystemLib.Persistence;

namespace ReserveManagementSystemApi.Test.Service
{
    public class ExportServiceTest
    {
        private ExportService _exportService;
        private Mock<ICoreApiServiceClient> _mockCoreApiServiceClient;
        private Mock<IMinorAccountTypeRepository> _mockMinorAccountRepository;
        private Mock<RmsApiConfiguration> _mockConfiguration;
        private AppDbContext _appDbContext;
        private ILoanRepository _loanRepository;

        public ExportServiceTest()
        {
            _mockCoreApiServiceClient = new Mock<ICoreApiServiceClient>();
            _mockMinorAccountRepository = new Mock<IMinorAccountTypeRepository>();
            _mockConfiguration = new Mock<RmsApiConfiguration>();

            var options = new DbContextOptionsBuilder<AppDbContext>()
               .UseInMemoryDatabase(Guid.NewGuid().ToString())
               .Options;
            _appDbContext = new AppDbContext(options);

            _loanRepository = new LoanRepository(_appDbContext);
            _mockConfiguration.Object.DefaultBatchSize = 100;
            _mockConfiguration.Object.DefaultImportStartDate = "2021-07-01 00:00:00";
            _mockConfiguration.Object.DefaultConvertedLoanPostDate = "2021-10-31";

            _exportService = new ExportService(_loanRepository, _mockCoreApiServiceClient.Object, _mockMinorAccountRepository.Object, _mockConfiguration.Object);
        }

        [Fact]
        public async Task SendExportChargebacksAsyncTest_OK()
        {
            var loan = new Loan();

            loan.ExportedChargebackDate = null;
            loan.PaidLoanDate = Convert.ToDateTime("2021-11-01");
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            loan.Adjustment = 0;
            loan.ChargeBack = (decimal)22.00;

            var account = new MinorAccountType()
            {
                MinorAccountTypeId = 1,
                GeneralLedgerAccountNumber = "11111111",
                AccountType = "DL01"
            };

            _loanRepository.Add(loan);
            _mockMinorAccountRepository.Setup(repo => repo.GetMinorAccountType("DL01")).Returns(account);

            var result = ExportMapper.MapLoanToIndirectLoanForChargeback(loan, account);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var response = new MonetaryTransactionResponse()
            {
                WasSuccessful = true
            };

            var listResponse = new List<MonetaryTransactionResponse> { response };
            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            _mockCoreApiServiceClient.Setup(x => x.PostMonetaryTransactions(batchList)).Returns(Task.FromResult(listResponse)).Verifiable();

            var numberOfLoansUpdatedSuccessfully = await _exportService.SendBatchListMonetaryTransactionRequests(groupedList);
            var success = numberOfLoansUpdatedSuccessfully[0].WasSuccessful.ToString();

            Assert.True(true, success);
        }

        #region "Unit tests for Chargeback rounding"

        [Fact]
        public async Task MappedExportRoundedUpChargebackAsyncTest_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            var account = new MinorAccountType()
            {
                MinorAccountTypeId = 1,
                GeneralLedgerAccountNumber = "11111111",
                AccountType = "DL01"
            };

            loan.Adjustment = 0;
            loan.ChargeBack = (decimal)502.525;

            var result = ExportMapper.MapLoanToIndirectLoanForChargeback(loan, account);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            Assert.Equal(-502.53, batchList[0].MonetaryTransactionRequests[1].TransactionAmount);
            Assert.Equal("ChrgBk-1111100000", batchList[0].MonetaryTransactionRequests[1].Description);
        }

        [Fact]
        public async Task MappedExportRoundedDownChargebackAsyncTest_OK()
        {
            {
                var loan = new Loan();
                loan.ExportedReserveDate = null;
                loan.ExportedChargebackDate = null;
                loan.LoanNumber = "2411000009999";
                loan.LoanId = 1;
                loan.DealerOrganizationNumber = "15500";
                loan.AccountType = "DL01";

                loan.Dealer = new Dealer()
                {
                    DealerAccountNumber = "7788888",
                    DealerOrganizationNumber = "15500"
                };

                var account = new MinorAccountType()
                {
                    MinorAccountTypeId = 1,
                    GeneralLedgerAccountNumber = "11111111",
                    AccountType = "DL01"
                };

                loan.Adjustment = 0;
                loan.ChargeBack = (decimal)38.171850;

                var result = ExportMapper.MapLoanToIndirectLoanForChargeback(loan, account);

                var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

                var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

                List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

                Assert.Equal(-38.17, batchList[0].MonetaryTransactionRequests[1].TransactionAmount);
                Assert.Equal("ChrgBk-2411000009999", batchList[0].MonetaryTransactionRequests[1].Description);
            }
        }

        #endregion

        #region "Unit tests for Reserve rounding"

        [Fact]
        public void MappedExportRoundedUpReserveAsyncTest1_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            loan.Adjustment = 0;
            loan.ReserveAmount = (decimal)502.525;

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(-502.53, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        [Fact]
        public void MappedExportRoundedUpReserveAsyncTest2_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            loan.Adjustment = 0;
            loan.ReserveAmount = (decimal)1237.715;

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(-1237.72, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        [Fact]
        public async Task MappedExportRoundedUpReserveAsyncTest3_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            loan.Adjustment = 0;
            loan.ReserveAmount = (decimal)1439.675;

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(-1439.68, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        [Fact]
        public async Task MappedExportRoundedDownReserveAsyncTest1_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            loan.Adjustment = 0;
            loan.ReserveAmount = (decimal)1982.1045;

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(-1982.10, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        [Fact]
        public async Task MappedExportRoundedDownReserveAsyncTest2_OK()

        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            loan.Adjustment = 0;
            loan.ReserveAmount = (decimal)1803.52449;

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(-1803.52, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        [Fact]
        public async Task MappedExportRoundedDownReserveAsyncTest3_OK()
  
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            loan.Adjustment = 0;
            loan.ReserveAmount = (decimal)38.171850;

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(-38.17, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        [Fact]
        public async Task MappedExportRoundedDownTenThousandthReserveAsyncTest1_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            loan.Adjustment = 0;
            loan.ReserveAmount = (decimal)4240.9217;

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(-4240.92, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        [Fact]
        public async Task MappedExportRoundedDownTenThousandthReserveAsyncTest2_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            loan.Adjustment = 0;
            loan.ReserveAmount = (decimal)397.2345;

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(-397.23, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        [Fact]
        public async Task MappedExportRoundedDownTenThousandthReserveAsyncTest3_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            loan.Adjustment = 0;
            loan.ReserveAmount = (decimal)434.9949;

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(-434.99, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }
     
        [Fact]
        public async Task MappedExportRoundedDownTenThousandthReserveAsyncTest4_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            loan.Adjustment = 0;
            loan.ReserveAmount = (decimal)1513.1451;

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(-1513.15, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        [Fact]
        public async Task MappedExportRoundedDownTenThousandthReserveAsyncTest5_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            loan.Adjustment = 0;
            loan.ReserveAmount = (decimal)4240.9247;

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(-4240.92, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        [Fact]
        public async Task MappedExportRoundedUpTenThousandthReserveAsyncTest1_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            loan.Adjustment = 0;
            loan.ReserveAmount = (decimal)1513.154999; //value that would be written to DB is 1513.155

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(-1513.16, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        #endregion

        #region "Unit tests for reserve rounding with adjustments"

        [Fact]
        public async Task MappedExportRoundedDownReserveAdjustmentAsyncTest_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            var adjustmentCalculation = (decimal)(1513.154999 - 1803.4656); //1513.16 - 1803.47

            loan.Adjustment = (decimal)adjustmentCalculation;
            loan.ReserveAmount = (decimal)1513.155; //as saved in DB

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test adjustment to the reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(290.31, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        [Fact]
        public async Task MappedExportRoundedDownTenThousandthReserveAdjustmentAsyncTest_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            var adjustmentCalculation = (decimal)(1513.1489 - 1803.4734); //-290.3245

            loan.Adjustment = (decimal)adjustmentCalculation;
            loan.ReserveAmount = (decimal)1513.1489; //as saved in DB

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test adjustment to the reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(290.32, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        [Fact]
        public async Task MappedExportRoundedUpHundredThousandthReserveAdjustmentAsyncTest_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            var adjustmentCalculation = (decimal)(1513.145 - 1803.52449); //-290.37949  //Reserve written to DB 1803.5245

            loan.Adjustment = (decimal)adjustmentCalculation;
            loan.ReserveAmount = (decimal)1513.145; //as saved in DB

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test adjustment to the reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(290.38, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        [Fact]
        public async Task MappedExportRoundedUpMillionthReserveNegativeOneAdjustmentAsyncTest_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            var adjustmentCalculation = (decimal)(39.171450 - 38.171550); //0.999899999999997

            loan.Adjustment = (decimal)adjustmentCalculation;
            loan.ReserveAmount = (decimal)38.1715; //as saved in DB

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test adjustment to the reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(-1, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        [Fact]
        public async Task MappedExportRoundedUpMillionthReservePositiveOneAdjustmentAsyncTest_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            var adjustmentCalculation = (decimal)(38.171550 - 39.171450); //-0.999899999999997

            loan.Adjustment = (decimal)adjustmentCalculation;
            loan.ReserveAmount = (decimal)38.1715; //as saved in DB

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test adjustment to the reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(1, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }

        [Fact]
        public async Task MappedExportRoundedUpMillionthReserveNoAdjustmentAsyncTest_OK()
        {
            var loan = new Loan();
            loan.ExportedReserveDate = null;
            loan.ExportedChargebackDate = null;
            loan.LoanNumber = "1111100000";
            loan.LoanId = 1;
            loan.DealerOrganizationNumber = "15500";
            loan.AccountType = "DL01";

            loan.Dealer = new Dealer()
            {
                DealerAccountNumber = "7788888",
                DealerOrganizationNumber = "15500"
            };

            var adjustmentCalculation = (decimal)(38.171450 - 38.171850); //-0.000399999999999068

            loan.Adjustment = (decimal)adjustmentCalculation;
            loan.ReserveAmount = (decimal)38.1719; //as saved in DB

            var result = ExportMapper.MapLoanToIndirectLoanForReserve(loan);

            var groupedList = new List<GroupedMonetaryTransactionRequest> { result };

            var resultBatch = BatchHelper.CreateBatch(groupedList, _mockConfiguration.Object.DefaultBatchSize);

            List<GroupedMonetaryTransactionRequest> batchList = new List<GroupedMonetaryTransactionRequest>(resultBatch.FirstOrDefault());

            //in order to test adjustment to the reserve rounding set the reserves and adjustments accordingly.
            Assert.Equal(0, batchList[0].MonetaryTransactionRequests[0].TransactionAmount);
        }
        
        #endregion 
    }
}