/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.fineract.integrationtests.investor.externalassetowner;

import static org.apache.fineract.client.models.ExternalTransferData.StatusEnum.BUYBACK;
import static org.apache.fineract.client.models.ExternalTransferData.StatusEnum.CANCELLED;
import static org.apache.fineract.client.models.ExternalTransferData.StatusEnum.PENDING;
import static org.apache.fineract.infrastructure.businessdate.domain.BusinessDateType.BUSINESS_DATE;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

import io.restassured.builder.RequestSpecBuilder;
import io.restassured.builder.ResponseSpecBuilder;
import io.restassured.http.ContentType;
import io.restassured.path.json.JsonPath;
import io.restassured.specification.RequestSpecification;
import io.restassured.specification.ResponseSpecification;
import java.math.BigDecimal;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeFormatterBuilder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.UUID;
import lombok.RequiredArgsConstructor;
import org.apache.fineract.accounting.common.AccountingConstants;
import org.apache.fineract.client.models.ExternalOwnerTransferJournalEntryData;
import org.apache.fineract.client.models.ExternalTransferData;
import org.apache.fineract.client.models.GetFinancialActivityAccountsResponse;
import org.apache.fineract.client.models.PageExternalTransferData;
import org.apache.fineract.client.models.PostFinancialActivityAccountsRequest;
import org.apache.fineract.client.models.PostInitiateTransferRequest;
import org.apache.fineract.client.models.PostInitiateTransferResponse;
import org.apache.fineract.integrationtests.common.BusinessDateHelper;
import org.apache.fineract.integrationtests.common.BusinessStepHelper;
import org.apache.fineract.integrationtests.common.ClientHelper;
import org.apache.fineract.integrationtests.common.CollateralManagementHelper;
import org.apache.fineract.integrationtests.common.ExternalAssetOwnerHelper;
import org.apache.fineract.integrationtests.common.GlobalConfigurationHelper;
import org.apache.fineract.integrationtests.common.SchedulerJobHelper;
import org.apache.fineract.integrationtests.common.Utils;
import org.apache.fineract.integrationtests.common.accounting.Account;
import org.apache.fineract.integrationtests.common.accounting.AccountHelper;
import org.apache.fineract.integrationtests.common.accounting.FinancialActivityAccountHelper;
import org.apache.fineract.integrationtests.common.charges.ChargesHelper;
import org.apache.fineract.integrationtests.common.loans.LoanApplicationTestBuilder;
import org.apache.fineract.integrationtests.common.loans.LoanProductTestBuilder;
import org.apache.fineract.integrationtests.common.loans.LoanStatusChecker;
import org.apache.fineract.integrationtests.common.loans.LoanTestLifecycleExtension;
import org.apache.fineract.integrationtests.common.loans.LoanTransactionHelper;
import org.jetbrains.annotations.NotNull;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;

@SuppressWarnings("rawtypes")
@ExtendWith(LoanTestLifecycleExtension.class)
public class ExternalAssetOwnerTransferCancelTest {

    public String ownerExternalId;
    private static ResponseSpecification RESPONSE_SPEC;
    private static RequestSpecification REQUEST_SPEC;
    private static Account ASSET_ACCOUNT;
    private static Account FEE_PENALTY_ACCOUNT;
    private static Account TRANSFER_ACCOUNT;
    private static Account EXPENSE_ACCOUNT;
    private static Account INCOME_ACCOUNT;
    private static Account OVERPAYMENT_ACCOUNT;
    private static FinancialActivityAccountHelper FINANCIAL_ACTIVITY_ACCOUNT_HELPER;
    private static ExternalAssetOwnerHelper EXTERNAL_ASSET_OWNER_HELPER;
    private static LoanTransactionHelper LOAN_TRANSACTION_HELPER;
    private static SchedulerJobHelper SCHEDULER_JOB_HELPER;
    private static LocalDate TODAYS_DATE;
    private DateTimeFormatter dateFormatter = new DateTimeFormatterBuilder().appendPattern("dd MMMM yyyy").toFormatter();

    @BeforeAll
    public static void setupInvestorBusinessStep() {
        Utils.initializeRESTAssured();
        REQUEST_SPEC = new RequestSpecBuilder().setContentType(ContentType.JSON).build();
        REQUEST_SPEC.header("Authorization", "Basic " + Utils.loginIntoServerAndGetBase64EncodedAuthenticationKey());
        RESPONSE_SPEC = new ResponseSpecBuilder().expectStatusCode(200).build();
        AccountHelper accountHelper = new AccountHelper(REQUEST_SPEC, RESPONSE_SPEC);
        EXTERNAL_ASSET_OWNER_HELPER = new ExternalAssetOwnerHelper();
        SCHEDULER_JOB_HELPER = new SchedulerJobHelper(REQUEST_SPEC);
        FINANCIAL_ACTIVITY_ACCOUNT_HELPER = new FinancialActivityAccountHelper(REQUEST_SPEC);
        LOAN_TRANSACTION_HELPER = new LoanTransactionHelper(REQUEST_SPEC, RESPONSE_SPEC);

        TODAYS_DATE = Utils.getLocalDateOfTenant();
        new BusinessStepHelper().updateSteps("LOAN_CLOSE_OF_BUSINESS", "APPLY_CHARGE_TO_OVERDUE_LOANS", "LOAN_DELINQUENCY_CLASSIFICATION",
                "CHECK_LOAN_REPAYMENT_DUE", "CHECK_LOAN_REPAYMENT_OVERDUE", "UPDATE_LOAN_ARREARS_AGING", "ADD_PERIODIC_ACCRUAL_ENTRIES",
                "EXTERNAL_ASSET_OWNER_TRANSFER");

        ASSET_ACCOUNT = accountHelper.createAssetAccount();
        FEE_PENALTY_ACCOUNT = accountHelper.createAssetAccount();
        TRANSFER_ACCOUNT = accountHelper.createAssetAccount();
        EXPENSE_ACCOUNT = accountHelper.createExpenseAccount();
        INCOME_ACCOUNT = accountHelper.createIncomeAccount();
        OVERPAYMENT_ACCOUNT = accountHelper.createLiabilityAccount();

        setProperFinancialActivity(TRANSFER_ACCOUNT);
    }

    private static void setProperFinancialActivity(Account transferAccount) {
        List<GetFinancialActivityAccountsResponse> financialMappings = FINANCIAL_ACTIVITY_ACCOUNT_HELPER.getAllFinancialActivityAccounts();
        financialMappings.forEach(mapping -> FINANCIAL_ACTIVITY_ACCOUNT_HELPER.deleteFinancialActivityAccount(mapping.getId()));
        FINANCIAL_ACTIVITY_ACCOUNT_HELPER.createFinancialActivityAccount(new PostFinancialActivityAccountsRequest()
                .financialActivityId((long) AccountingConstants.FinancialActivity.ASSET_TRANSFER.getValue())
                .glAccountId((long) transferAccount.getAccountID()));
    }

    @Test
    public void successCancelSale() {
        try {
            GlobalConfigurationHelper.manageConfigurations(REQUEST_SPEC, RESPONSE_SPEC,
                    GlobalConfigurationHelper.ENABLE_AUTOGENERATED_EXTERNAL_ID, true);
            setInitialBusinessDate("2020-03-02");
            Integer clientID = createClient();
            Integer loanID = createLoanForClient(clientID);
            addPenaltyForLoan(loanID, "10");

            PostInitiateTransferResponse saleTransferResponse = createSaleTransfer(loanID, "2020-03-02");
            validateResponse(saleTransferResponse, loanID);
            getAndValidateExternalAssetOwnerTransferByLoan(loanID,
                    ExpectedExternalTransferData.expected(PENDING, saleTransferResponse.getResourceExternalId(), "2020-03-02", "2020-03-02",
                            "9999-12-31", false, new BigDecimal("15767.420000"), new BigDecimal("15000.000000"),
                            new BigDecimal("757.420000"), new BigDecimal("10.000000"), new BigDecimal("0.000000"),
                            new BigDecimal("0.000000")));

            PageExternalTransferData retrieveResponse = EXTERNAL_ASSET_OWNER_HELPER.retrieveTransfersByLoanId(loanID.longValue());
            retrieveResponse.getContent().forEach(transfer -> getAndValidateThereIsNoJournalEntriesForTransfer(transfer.getTransferId()));

            EXTERNAL_ASSET_OWNER_HELPER.cancelTransferByTransferExternalId(saleTransferResponse.getResourceExternalId());

            // updateBusinessDateAndExecuteCOBJob("2020-03-03");
            getAndValidateExternalAssetOwnerTransferByLoan(loanID,
                    ExpectedExternalTransferData.expected(PENDING, saleTransferResponse.getResourceExternalId(), "2020-03-02", "2020-03-02",
                            "2020-03-02", false, new BigDecimal("15767.420000"), new BigDecimal("15000.000000"),
                            new BigDecimal("757.420000"), new BigDecimal("10.000000"), new BigDecimal("0.000000"),
                            new BigDecimal("0.000000")),
                    ExpectedExternalTransferData.expected(CANCELLED, saleTransferResponse.getResourceExternalId(), "2020-03-02",
                            "2020-03-02", "2020-03-02", false, new BigDecimal("15767.420000"), new BigDecimal("15000.000000"),
                            new BigDecimal("757.420000"), new BigDecimal("10.000000"), new BigDecimal("0.000000"),
                            new BigDecimal("0.000000")));
        } finally {
            cleanUpAndRestoreBusinessDate();
        }
    }

    private void getAndValidateThereIsNoJournalEntriesForTransfer(Long transferId) {
        ExternalOwnerTransferJournalEntryData result = EXTERNAL_ASSET_OWNER_HELPER.retrieveJournalEntriesOfTransfer(transferId);
        assertNull(result.getJournalEntryData());
    }

    @Test
    public void saleAndBuybackOnTheSameDay() {
        try {
            GlobalConfigurationHelper.manageConfigurations(REQUEST_SPEC, RESPONSE_SPEC,
                    GlobalConfigurationHelper.ENABLE_AUTOGENERATED_EXTERNAL_ID, true);
            setInitialBusinessDate("2020-03-02");
            Integer clientID = createClient();
            Integer loanID = createLoanForClient(clientID);

            PostInitiateTransferResponse saleTransferResponse = createSaleTransfer(loanID, "2020-03-02");
            validateResponse(saleTransferResponse, loanID);
            PostInitiateTransferResponse buybackTransferResponse = createBuybackTransfer(loanID, "2020-03-02");
            validateResponse(buybackTransferResponse, loanID);

            getAndValidateExternalAssetOwnerTransferByLoan(loanID,
                    ExpectedExternalTransferData.expected(PENDING, saleTransferResponse.getResourceExternalId(), "2020-03-02", "2020-03-02",
                            "9999-12-31", false, new BigDecimal("15767.420000"), new BigDecimal("15000.000000"),
                            new BigDecimal("757.420000"), new BigDecimal("10.000000"), new BigDecimal("0.000000"),
                            new BigDecimal("0.000000")),
                    ExpectedExternalTransferData.expected(BUYBACK, buybackTransferResponse.getResourceExternalId(), "2020-03-02",
                            "2020-03-02", "9999-12-31", false, new BigDecimal("15767.420000"), new BigDecimal("15000.000000"),
                            new BigDecimal("757.420000"), new BigDecimal("10.000000"), new BigDecimal("0.000000"),
                            new BigDecimal("0.000000")));
            getAndValidateThereIsNoActiveMapping(saleTransferResponse.getResourceExternalId());
            getAndValidateThereIsNoActiveMapping(buybackTransferResponse.getResourceExternalId());

            EXTERNAL_ASSET_OWNER_HELPER.cancelTransferByTransferExternalIdError(saleTransferResponse.getResourceExternalId());

            EXTERNAL_ASSET_OWNER_HELPER.cancelTransferByTransferExternalId(buybackTransferResponse.getResourceExternalId());

            getAndValidateExternalAssetOwnerTransferByLoan(loanID,
                    ExpectedExternalTransferData.expected(PENDING, saleTransferResponse.getResourceExternalId(), "2020-03-02", "2020-03-02",
                            "9999-12-31", false, new BigDecimal("15767.420000"), new BigDecimal("15000.000000"),
                            new BigDecimal("757.420000"), new BigDecimal("10.000000"), new BigDecimal("0.000000"),
                            new BigDecimal("0.000000")),
                    ExpectedExternalTransferData.expected(BUYBACK, buybackTransferResponse.getResourceExternalId(), "2020-03-02",
                            "2020-03-02", "2020-03-02", false, new BigDecimal("15767.420000"), new BigDecimal("15000.000000"),
                            new BigDecimal("757.420000"), new BigDecimal("10.000000"), new BigDecimal("0.000000"),
                            new BigDecimal("0.000000")),
                    ExpectedExternalTransferData.expected(CANCELLED, buybackTransferResponse.getResourceExternalId(), "2020-03-02",
                            "2020-03-02", "2020-03-02", false, new BigDecimal("15767.420000"), new BigDecimal("15000.000000"),
                            new BigDecimal("757.420000"), new BigDecimal("10.000000"), new BigDecimal("0.000000"),
                            new BigDecimal("0.000000")));

            EXTERNAL_ASSET_OWNER_HELPER.cancelTransferByTransferExternalId(saleTransferResponse.getResourceExternalId());

            getAndValidateExternalAssetOwnerTransferByLoan(loanID,
                    ExpectedExternalTransferData.expected(PENDING, saleTransferResponse.getResourceExternalId(), "2020-03-02", "2020-03-02",
                            "2020-03-02", false, new BigDecimal("15767.420000"), new BigDecimal("15000.000000"),
                            new BigDecimal("757.420000"), new BigDecimal("10.000000"), new BigDecimal("0.000000"),
                            new BigDecimal("0.000000")),
                    ExpectedExternalTransferData.expected(BUYBACK, buybackTransferResponse.getResourceExternalId(), "2020-03-02",
                            "2020-03-02", "2020-03-02", false, new BigDecimal("15767.420000"), new BigDecimal("15000.000000"),
                            new BigDecimal("757.420000"), new BigDecimal("10.000000"), new BigDecimal("0.000000"),
                            new BigDecimal("0.000000")),
                    ExpectedExternalTransferData.expected(CANCELLED, buybackTransferResponse.getResourceExternalId(), "2020-03-02",
                            "2020-03-02", "2020-03-02", false, new BigDecimal("15767.420000"), new BigDecimal("15000.000000"),
                            new BigDecimal("757.420000"), new BigDecimal("10.000000"), new BigDecimal("0.000000"),
                            new BigDecimal("0.000000")),
                    ExpectedExternalTransferData.expected(CANCELLED, saleTransferResponse.getResourceExternalId(), "2020-03-02",
                            "2020-03-02", "2020-03-02", false, new BigDecimal("15767.420000"), new BigDecimal("15000.000000"),
                            new BigDecimal("757.420000"), new BigDecimal("10.000000"), new BigDecimal("0.000000"),
                            new BigDecimal("0.000000")));
            getAndValidateThereIsNoActiveMapping((long) loanID);
        } finally {
            cleanUpAndRestoreBusinessDate();
        }
    }

    private PostInitiateTransferResponse createSaleTransfer(Integer loanID, String settlementDate) {
        String transferExternalId = UUID.randomUUID().toString();
        ownerExternalId = UUID.randomUUID().toString();
        return createSaleTransfer(loanID, settlementDate, transferExternalId, ownerExternalId, "1.0");
    }

    private PostInitiateTransferResponse createSaleTransfer(Integer loanID, String settlementDate, String transferExternalId,
            String ownerExternalId, String purchasePriceRatio) {
        PostInitiateTransferResponse saleResponse = EXTERNAL_ASSET_OWNER_HELPER.initiateTransferByLoanId(loanID.longValue(), "sale",
                new PostInitiateTransferRequest().settlementDate(settlementDate).dateFormat("yyyy-MM-dd").locale("en")
                        .transferExternalId(transferExternalId).ownerExternalId(ownerExternalId).purchasePriceRatio(purchasePriceRatio));
        assertEquals(transferExternalId, saleResponse.getResourceExternalId());
        return saleResponse;
    }

    private PostInitiateTransferResponse createBuybackTransfer(Integer loanID, String settlementDate) {
        String transferExternalId = UUID.randomUUID().toString();
        PostInitiateTransferResponse saleResponse = EXTERNAL_ASSET_OWNER_HELPER.initiateTransferByLoanId(loanID.longValue(), "buyback",
                new PostInitiateTransferRequest().settlementDate(settlementDate).dateFormat("yyyy-MM-dd").locale("en")
                        .transferExternalId(transferExternalId));
        assertEquals(transferExternalId, saleResponse.getResourceExternalId());
        return saleResponse;
    }

    private void addPenaltyForLoan(Integer loanID, String amount) {
        // Add Charge Penalty
        Integer penalty = ChargesHelper.createCharges(REQUEST_SPEC, RESPONSE_SPEC,
                ChargesHelper.getLoanSpecifiedDueDateJSON(ChargesHelper.CHARGE_CALCULATION_TYPE_FLAT, amount, true));
        Integer penalty1LoanChargeId = this.LOAN_TRANSACTION_HELPER.addChargesForLoan(loanID,
                LoanTransactionHelper.getSpecifiedDueDateChargesForLoanAsJSON(String.valueOf(penalty), "02 March 2020", amount));
        assertNotNull(penalty1LoanChargeId);
    }

    private void setInitialBusinessDate(String date) {
        GlobalConfigurationHelper.updateIsBusinessDateEnabled(REQUEST_SPEC, RESPONSE_SPEC, Boolean.TRUE);
        BusinessDateHelper.updateBusinessDate(REQUEST_SPEC, RESPONSE_SPEC, BUSINESS_DATE, LocalDate.parse(date));
        GlobalConfigurationHelper.updateValueForGlobalConfiguration(REQUEST_SPEC, RESPONSE_SPEC, "10", "0");
    }

    private void cleanUpAndRestoreBusinessDate() {
        REQUEST_SPEC = new RequestSpecBuilder().setContentType(ContentType.JSON).build();
        REQUEST_SPEC.header("Authorization", "Basic " + Utils.loginIntoServerAndGetBase64EncodedAuthenticationKey());
        REQUEST_SPEC.header("Fineract-Platform-TenantId", "default");
        RESPONSE_SPEC = new ResponseSpecBuilder().expectStatusCode(200).build();
        BusinessDateHelper.updateBusinessDate(REQUEST_SPEC, RESPONSE_SPEC, BUSINESS_DATE, TODAYS_DATE);
        GlobalConfigurationHelper.updateIsBusinessDateEnabled(REQUEST_SPEC, RESPONSE_SPEC, Boolean.FALSE);
    }

    @NotNull
    private Integer createClient() {
        final Integer clientID = ClientHelper.createClient(REQUEST_SPEC, RESPONSE_SPEC);
        Assertions.assertNotNull(clientID);
        return clientID;
    }

    @NotNull
    private Integer createLoanForClient(Integer clientID) {
        Integer overdueFeeChargeId = ChargesHelper.createCharges(REQUEST_SPEC, RESPONSE_SPEC,
                ChargesHelper.getLoanOverdueFeeJSONWithCalculationTypePercentage("1"));
        Assertions.assertNotNull(overdueFeeChargeId);

        Integer loanProductID = createLoanProduct(overdueFeeChargeId.toString());
        Assertions.assertNotNull(loanProductID);
        HashMap loanStatusHashMap;

        Integer loanID = applyForLoanApplication(clientID.toString(), loanProductID.toString(), "10 January 2020");

        Assertions.assertNotNull(loanID);

        loanStatusHashMap = LoanStatusChecker.getStatusOfLoan(REQUEST_SPEC, RESPONSE_SPEC, loanID);
        LoanStatusChecker.verifyLoanIsPending(loanStatusHashMap);

        loanStatusHashMap = LOAN_TRANSACTION_HELPER.approveLoan("01 March 2020", loanID);
        LoanStatusChecker.verifyLoanIsApproved(loanStatusHashMap);

        String loanDetails = LOAN_TRANSACTION_HELPER.getLoanDetails(REQUEST_SPEC, RESPONSE_SPEC, loanID);
        loanStatusHashMap = LOAN_TRANSACTION_HELPER.disburseLoanWithNetDisbursalAmount("02 March 2020", loanID,
                JsonPath.from(loanDetails).get("netDisbursalAmount").toString());
        LoanStatusChecker.verifyLoanIsActive(loanStatusHashMap);
        return loanID;
    }

    private Integer createLoanProduct(final String chargeId) {

        final String loanProductJSON = new LoanProductTestBuilder().withPrincipal("15,000.00").withNumberOfRepayments("4")
                .withRepaymentAfterEvery("1").withRepaymentTypeAsMonth().withinterestRatePerPeriod("1")
                .withAccountingRulePeriodicAccrual(new Account[] { ASSET_ACCOUNT, EXPENSE_ACCOUNT, INCOME_ACCOUNT, OVERPAYMENT_ACCOUNT })
                .withInterestRateFrequencyTypeAsMonths().withAmortizationTypeAsEqualInstallments().withInterestTypeAsDecliningBalance()
                .withFeeAndPenaltyAssetAccount(FEE_PENALTY_ACCOUNT).build(chargeId);
        return LOAN_TRANSACTION_HELPER.getLoanProductId(loanProductJSON);
    }

    private Integer applyForLoanApplication(final String clientID, final String loanProductID, final String date) {
        List<HashMap> collaterals = new ArrayList<>();
        Integer collateralId = CollateralManagementHelper.createCollateralProduct(REQUEST_SPEC, RESPONSE_SPEC);
        Assertions.assertNotNull(collateralId);
        Integer clientCollateralId = CollateralManagementHelper.createClientCollateral(REQUEST_SPEC, RESPONSE_SPEC, clientID, collateralId);
        Assertions.assertNotNull(clientCollateralId);
        addCollaterals(collaterals, clientCollateralId, BigDecimal.valueOf(1));

        String loanApplicationJSON = new LoanApplicationTestBuilder().withPrincipal("15,000.00").withLoanTermFrequency("4")
                .withLoanTermFrequencyAsMonths().withNumberOfRepayments("4").withRepaymentEveryAfter("1")
                .withRepaymentFrequencyTypeAsMonths().withInterestRatePerPeriod("2").withAmortizationTypeAsEqualInstallments()
                .withInterestTypeAsDecliningBalance().withInterestCalculationPeriodTypeSameAsRepaymentPeriod()
                .withExpectedDisbursementDate(date).withSubmittedOnDate(date).withCollaterals(collaterals)
                .build(clientID, loanProductID, null);
        return LOAN_TRANSACTION_HELPER.getLoanId(loanApplicationJSON);
    }

    private void addCollaterals(List<HashMap> collaterals, Integer collateralId, BigDecimal quantity) {
        collaterals.add(collaterals(collateralId, quantity));
    }

    private HashMap<String, String> collaterals(Integer collateralId, BigDecimal quantity) {
        HashMap<String, String> collateral = new HashMap<>(2);
        collateral.put("clientCollateralId", collateralId.toString());
        collateral.put("quantity", quantity.toString());
        return collateral;
    }

    private void getAndValidateExternalAssetOwnerTransferByLoan(Integer loanID, ExpectedExternalTransferData... expectedItems) {
        PageExternalTransferData retrieveResponse = EXTERNAL_ASSET_OWNER_HELPER.retrieveTransfersByLoanId(loanID.longValue());
        assertEquals(expectedItems.length, retrieveResponse.getNumberOfElements());

        for (ExpectedExternalTransferData expected : expectedItems) {
            assertNotNull(retrieveResponse.getContent());
            Optional<ExternalTransferData> first = retrieveResponse.getContent().stream()
                    .filter(e -> Objects.equals(e.getTransferExternalId(), expected.transferExternalId)
                            && Objects.equals(e.getStatus(), expected.status))
                    .findFirst();
            assertTrue(first.isPresent());
            ExternalTransferData etd = first.get();
            assertEquals(expected.transferExternalId, etd.getTransferExternalId());
            assertEquals(expected.status, etd.getStatus());
            assertEquals(LocalDate.parse(expected.settlementDate), etd.getSettlementDate());
            assertEquals(LocalDate.parse(expected.effectiveFrom), etd.getEffectiveFrom());
            assertEquals(LocalDate.parse(expected.effectiveTo), etd.getEffectiveTo());
            if (!expected.detailsExpected) {
                assertNull(etd.getDetails());
            } else {
                assertNotNull(etd.getDetails());
                assertEquals(expected.totalOutstanding, etd.getDetails().getTotalOutstanding());
                assertEquals(expected.totalPrincipalOutstanding, etd.getDetails().getTotalPrincipalOutstanding());
                assertEquals(expected.totalInterestOutstanding, etd.getDetails().getTotalInterestOutstanding());
                assertEquals(expected.totalPenaltyOutstanding, etd.getDetails().getTotalPenaltyChargesOutstanding());
                assertEquals(expected.totalFeeOutstanding, etd.getDetails().getTotalFeeChargesOutstanding());
                assertEquals(expected.totalOverpaid, etd.getDetails().getTotalOverpaid());
            }
        }
    }

    private void getAndValidateThereIsNoActiveMapping(Long loanId) {
        ExternalTransferData activeTransfer = EXTERNAL_ASSET_OWNER_HELPER.retrieveActiveTransferByLoanId(loanId);
        assertNull(activeTransfer);
    }

    private void getAndValidateThereIsNoActiveMapping(String transferExternalId) {
        ExternalTransferData activeTransfer = EXTERNAL_ASSET_OWNER_HELPER.retrieveActiveTransferByTransferExternalId(transferExternalId);
        assertNull(activeTransfer);
    }

    private void validateResponse(PostInitiateTransferResponse transferResponse, Integer loanID) {
        assertNotNull(transferResponse);
        assertNotNull(transferResponse.getResourceId());
        assertNotNull(transferResponse.getResourceExternalId());
        assertNotNull(transferResponse.getSubResourceId());
        assertEquals((long) loanID, transferResponse.getSubResourceId());
        assertNotNull(transferResponse.getSubResourceExternalId());
        assertNull(transferResponse.getChanges());
    }

    @RequiredArgsConstructor()
    public static class ExpectedExternalTransferData {

        private final ExternalTransferData.StatusEnum status;

        private final String transferExternalId;

        private final String settlementDate;

        private final String effectiveFrom;
        private final String effectiveTo;
        private final boolean detailsExpected;
        private final BigDecimal totalOutstanding;
        private final BigDecimal totalPrincipalOutstanding;
        private final BigDecimal totalInterestOutstanding;
        private final BigDecimal totalPenaltyOutstanding;
        private final BigDecimal totalFeeOutstanding;
        private final BigDecimal totalOverpaid;

        static ExpectedExternalTransferData expected(ExternalTransferData.StatusEnum status, String transferExternalId,
                String settlementDate, String effectiveFrom, String effectiveTo, boolean detailsExpected, BigDecimal totalOutstanding,
                BigDecimal totalPrincipalOutstanding, BigDecimal totalInterestOutstanding, BigDecimal totalPenaltyOutstanding,
                BigDecimal totalFeeOutstanding, BigDecimal totalOverpaid) {
            return new ExpectedExternalTransferData(status, transferExternalId, settlementDate, effectiveFrom, effectiveTo, detailsExpected,
                    totalOutstanding, totalPrincipalOutstanding, totalInterestOutstanding, totalPenaltyOutstanding, totalFeeOutstanding,
                    totalOverpaid);
        }

    }

    @RequiredArgsConstructor()
    public static class ExpectedJournalEntryData {

        private final Long glAccountId;
        private final Long entryTypeId;
        private final BigDecimal amount;
        private final LocalDate transactionDate;
        private final LocalDate submittedOnDate;

        static ExpectedJournalEntryData expected(Long glAccountId, Long entryTypeId, BigDecimal amount, LocalDate transactionDate,
                LocalDate submittedOnDate) {
            return new ExpectedJournalEntryData(glAccountId, entryTypeId, amount, transactionDate, submittedOnDate);
        }

    }
}