/**
 * 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;

import io.restassured.builder.RequestSpecBuilder;
import io.restassured.builder.ResponseSpecBuilder;
import io.restassured.http.ContentType;
import io.restassured.specification.RequestSpecification;
import io.restassured.specification.ResponseSpecification;
import java.time.LocalDate;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.Set;
import lombok.extern.slf4j.Slf4j;
import org.apache.fineract.client.models.GetClientsClientIdAccountsResponse;
import org.apache.fineract.client.models.GetClientsLoanAccounts;
import org.apache.fineract.client.models.PostClientsResponse;
import org.apache.fineract.integrationtests.common.ClientHelper;
import org.apache.fineract.integrationtests.common.GlobalConfigurationHelper;
import org.apache.fineract.integrationtests.common.Utils;
import org.apache.fineract.integrationtests.common.accounting.Account;
import org.apache.fineract.integrationtests.common.loans.LoanApplicationTestBuilder;
import org.apache.fineract.integrationtests.common.loans.LoanProductTestBuilder;
import org.apache.fineract.integrationtests.common.loans.LoanTransactionHelper;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@Slf4j
public class LoanAccountsContainsCurrencyFieldTest {

    private ResponseSpecification responseSpec;
    private RequestSpecification requestSpec;
    private LoanTransactionHelper loanTransactionHelper;
    private static final String principalAmount = "1200.00";
    private static final String NONE = "1";
    private static final Logger LOG = LoggerFactory.getLogger(LoanAccountsContainsCurrencyFieldTest.class);

    @BeforeEach
    public void setup() {
        Utils.initializeRESTAssured();
        requestSpec = new RequestSpecBuilder().setContentType(ContentType.JSON).build();
        requestSpec.header("Authorization", "Basic " + Utils.loginIntoServerAndGetBase64EncodedAuthenticationKey());
        responseSpec = new ResponseSpecBuilder().expectStatusCode(200).build();

        loanTransactionHelper = new LoanTransactionHelper(this.requestSpec, this.responseSpec);
    }

    @Test
    public void testGetClientLoanAccountsUsingExternalIdContainsCurrency() {

        // Get today's date
        LocalDate today = LocalDate.now(ZoneId.systemDefault());

        // Define a custom date formatter
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd MMMM yyyy");

        // Format today's date using the custom formatter
        String formattedDate = today.format(formatter);

        // given
        GlobalConfigurationHelper.manageConfigurations(requestSpec, responseSpec,
                GlobalConfigurationHelper.ENABLE_AUTOGENERATED_EXTERNAL_ID, true);
        final String jsonPayload = ClientHelper.getBasicClientAsJSON(ClientHelper.DEFAULT_OFFICE_ID, ClientHelper.LEGALFORM_ID_PERSON,
                null);
        // when
        final PostClientsResponse clientResponse = ClientHelper.addClientAsPerson(requestSpec, responseSpec, jsonPayload);
        final String clientExternalId = clientResponse.getResourceExternalId();
        final long clientId = clientResponse.getClientId();

        GlobalConfigurationHelper.manageConfigurations(requestSpec, responseSpec,
                GlobalConfigurationHelper.ENABLE_AUTOGENERATED_EXTERNAL_ID, false);

        Integer loanProductId = createLoanProduct(false, NONE);

        // Create Loan Account
        final Integer loanId = createLoanAccount(loanTransactionHelper, String.valueOf(clientId), String.valueOf(loanProductId),
                formattedDate);

        GetClientsClientIdAccountsResponse clientAccountsResponse = ClientHelper.getClientAccounts(requestSpec, responseSpec,
                clientExternalId);

        if (clientAccountsResponse.getLoanAccounts() == null) {
            // Handle the case where getClientAccounts returned null
            throw new IllegalStateException("getClientAccounts returned null");
        }

        final Set<GetClientsLoanAccounts> loanAccounts = clientAccountsResponse.getLoanAccounts();

        // Assert if loanAccounts contains a loan account with "currency" field
        boolean containsCurrency = false;
        if (loanAccounts != null) {
            containsCurrency = loanAccounts.stream().anyMatch(account -> account.getCurrency() != null);
        }

        // Perform assertion
        assert containsCurrency;

    }

    private Integer createLoanAccount(final LoanTransactionHelper loanTransactionHelper, final String clientId, final String loanProductId,
            final String operationDate) {
        final String loanApplicationJSON = new LoanApplicationTestBuilder().withPrincipal(principalAmount).withLoanTermFrequency("1")
                .withLoanTermFrequencyAsMonths().withNumberOfRepayments("1").withRepaymentEveryAfter("1")
                .withRepaymentFrequencyTypeAsMonths().withInterestRatePerPeriod("0").withInterestTypeAsFlatBalance()
                .withAmortizationTypeAsEqualPrincipalPayments().withInterestCalculationPeriodTypeSameAsRepaymentPeriod()
                .withExpectedDisbursementDate("03 September 2022").withSubmittedOnDate("01 September 2022").withLoanType("individual")
                .build(clientId, loanProductId, null);
        final Integer loanId = loanTransactionHelper.getLoanId(loanApplicationJSON);
        loanTransactionHelper.approveLoan(operationDate, principalAmount, loanId, null);
        return loanId;
    }

    private Integer createLoanProduct(final boolean multiDisburseLoan, final String accountingRule, final Account... accounts) {
        LOG.info("------------------------------CREATING NEW LOAN PRODUCT ---------------------------------------");
        LoanProductTestBuilder builder = new LoanProductTestBuilder() //
                .withPrincipal("12,000.00") //
                .withNumberOfRepayments("4") //
                .withRepaymentAfterEvery("1") //
                .withRepaymentTypeAsMonth() //
                .withinterestRatePerPeriod("1") //
                .withInterestRateFrequencyTypeAsMonths() //
                .withAmortizationTypeAsEqualInstallments() //
                .withInterestTypeAsDecliningBalance() //
                .withTranches(multiDisburseLoan) //
                .withAccounting(accountingRule, accounts);
        if (multiDisburseLoan) {
            builder = builder.withInterestCalculationPeriodTypeAsRepaymentPeriod(true);
        }
        final String loanProductJSON = builder.build(null);
        return loanTransactionHelper.getLoanProductId(loanProductJSON);
    }

}