/*
    * MoneyWise: Finance Application
    * Copyright 2012-2026. Tony Washer
    *
    * Licensed 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 io.github.tonywasher.joceanus.moneywise.data.validate;
  
  import io.github.tonywasher.joceanus.moneywise.data.basic.MoneyWiseBasicResource;
  import io.github.tonywasher.joceanus.moneywise.data.basic.MoneyWiseDataSet;
  import io.github.tonywasher.joceanus.moneywise.data.basic.MoneyWiseExchangeRate;
  import io.github.tonywasher.joceanus.moneywise.data.basic.MoneyWiseExchangeRate.MoneyWiseExchangeRateBaseList;
  import io.github.tonywasher.joceanus.moneywise.data.basic.MoneyWiseExchangeRate.MoneyWiseExchangeRateDataMap;
  import io.github.tonywasher.joceanus.moneywise.data.statics.MoneyWiseCurrency;
  import io.github.tonywasher.joceanus.oceanus.date.OceanusDate;
  import io.github.tonywasher.joceanus.oceanus.date.OceanusDateRange;
  import io.github.tonywasher.joceanus.oceanus.decimal.OceanusRatio;
  import io.github.tonywasher.joceanus.prometheus.data.PrometheusData.PrometheusDataItemCtl;
  import io.github.tonywasher.joceanus.prometheus.data.PrometheusData.PrometheusDataValidator;
  import io.github.tonywasher.joceanus.prometheus.data.PrometheusDataItem;
  
  /**
   * Validator for region.
   */
  public class MoneyWiseValidateXchangeRate
          implements PrometheusDataValidator {
  
      @Override
      public void validate(final PrometheusDataItemCtl pRate) {
          final MoneyWiseExchangeRate myRate = (MoneyWiseExchangeRate) pRate;
          final MoneyWiseExchangeRateBaseList<? extends MoneyWiseExchangeRate> myList = myRate.getList();
          final MoneyWiseCurrency myFrom = myRate.getFromCurrency();
          final MoneyWiseCurrency myTo = myRate.getToCurrency();
          final OceanusDate myDate = myRate.getDate();
          final OceanusRatio myXchgRate = myRate.getExchangeRate();
          final OceanusDateRange myRange = ((MoneyWiseDataSet) myRate.getDataSet()).getDateRange();
  
          /* Date must be non-null */
          if (myDate == null) {
              myRate.addError(PrometheusDataItem.ERROR_MISSING, MoneyWiseBasicResource.MONEYWISEDATA_FIELD_DATE);
  
              /* else date is non-null */
          } else {
              /* Date must be unique for this currency */
              final MoneyWiseExchangeRateDataMap myMap = myList.getDataMap();
              if (!myMap.validRateCount(myRate)) {
                  myRate.addError(PrometheusDataItem.ERROR_DUPLICATE, MoneyWiseBasicResource.MONEYWISEDATA_FIELD_DATE);
              }
  
              /* The date must be in-range */
              if (myRange.compareToDate(myDate) != 0) {
                  myRate.addError(PrometheusDataItem.ERROR_RANGE, MoneyWiseBasicResource.MONEYWISEDATA_FIELD_DATE);
              }
          }
  
          /* FromCurrency must be non-null and enabled */
          if (myFrom == null) {
              myRate.addError(PrometheusDataItem.ERROR_MISSING, MoneyWiseBasicResource.XCHGRATE_FROM);
          } else if (!myFrom.getEnabled()) {
              myRate.addError(PrometheusDataItem.ERROR_DISABLED, MoneyWiseBasicResource.XCHGRATE_FROM);
          }
  
          /* ToCurrency must be non-null and enabled */
          if (myTo == null) {
              myRate.addError(PrometheusDataItem.ERROR_MISSING, MoneyWiseBasicResource.XCHGRATE_TO);
          } else if (!myTo.getEnabled()) {
              myRate.addError(PrometheusDataItem.ERROR_DISABLED, MoneyWiseBasicResource.XCHGRATE_TO);
          }
  
          /* Check currency combination */
          if (myFrom != null && myTo != null) {
              /* Must be different */
              if (myFrom.equals(myTo)) {
                  myRate.addError(MoneyWiseExchangeRate.ERROR_CIRCLE, MoneyWiseBasicResource.XCHGRATE_TO);
              }
  
              /* From currency must be the reporting currency */
              final MoneyWiseCurrency myDefault = ((MoneyWiseDataSet) myRate.getDataSet()).getReportingCurrency();
              if (!myFrom.equals(myDefault)) {
                  myRate.addError(MoneyWiseExchangeRate.ERROR_DEF, MoneyWiseBasicResource.XCHGRATE_FROM);
              }
          }
  
          /* Rate must be non-null and positive non-zero */
          if (myXchgRate == null) {
              myRate.addError(PrometheusDataItem.ERROR_MISSING, MoneyWiseBasicResource.XCHGRATE_RATE);
          } else if (!myXchgRate.isNonZero()) {
              myRate.addError(PrometheusDataItem.ERROR_ZERO, MoneyWiseBasicResource.XCHGRATE_RATE);
          } else if (!myXchgRate.isPositive()) {
             myRate.addError(PrometheusDataItem.ERROR_NEGATIVE, MoneyWiseBasicResource.XCHGRATE_RATE);
         }
 
         /* Set validation flag */
         if (!myRate.hasErrors()) {
             myRate.setValidEdit();
         }
     }
 }