/*
    * 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.MoneyWiseDataValidator.MoneyWiseDataValidatorDefaults;
  import io.github.tonywasher.joceanus.moneywise.data.basic.MoneyWiseRegion;
  import io.github.tonywasher.joceanus.moneywise.data.basic.MoneyWiseRegion.MoneyWiseRegionDataMap;
  import io.github.tonywasher.joceanus.moneywise.data.basic.MoneyWiseRegion.MoneyWiseRegionList;
  import io.github.tonywasher.joceanus.oceanus.base.OceanusException;
  import io.github.tonywasher.joceanus.prometheus.data.PrometheusDataInfoLinkSet;
  import io.github.tonywasher.joceanus.prometheus.data.PrometheusDataItem;
  import io.github.tonywasher.joceanus.prometheus.data.PrometheusDataResource;
  import io.github.tonywasher.joceanus.prometheus.views.PrometheusEditSet;
  
  /**
   * Validator for region.
   */
  public class MoneyWiseValidateRegion
          implements MoneyWiseDataValidatorDefaults<MoneyWiseRegion> {
      /**
       * New Region name.
       */
      private static final String NAME_NEWREGION = MoneyWiseBasicResource.REGION_NEWREGION.getValue();
  
      @Override
      public void setEditSet(final PrometheusEditSet pEditSet) {
          /* NoOp */
      }
  
      @Override
      public void validate(final PrometheusDataItem pRegion) {
          final MoneyWiseRegion myRegion = (MoneyWiseRegion) pRegion;
          final MoneyWiseRegionList myList = myRegion.getList();
          final String myName = myRegion.getName();
          final String myDesc = myRegion.getDesc();
          final MoneyWiseRegionDataMap myMap = myList.getDataMap();
  
          /* Name must be non-null */
          if (myName == null) {
              pRegion.addError(PrometheusDataItem.ERROR_MISSING, PrometheusDataResource.DATAITEM_FIELD_NAME);
  
              /* Else check the name */
          } else {
              /* The description must not be too long */
              if (myName.length() > PrometheusDataItem.NAMELEN) {
                  pRegion.addError(PrometheusDataItem.ERROR_LENGTH, PrometheusDataResource.DATAITEM_FIELD_NAME);
              }
  
              /* Check that the name is unique */
              if (!myMap.validNameCount(myName)) {
                  pRegion.addError(PrometheusDataItem.ERROR_DUPLICATE, PrometheusDataResource.DATAITEM_FIELD_NAME);
              }
  
              /* Check that the name does not contain invalid characters */
              if (myName.contains(PrometheusDataInfoLinkSet.ITEM_SEP)) {
                  pRegion.addError(PrometheusDataItem.ERROR_INVALIDCHAR, PrometheusDataResource.DATAITEM_FIELD_NAME);
              }
          }
  
          /* Check description length */
          if (myDesc != null
                  && myDesc.length() > PrometheusDataItem.DESCLEN) {
              pRegion.addError(PrometheusDataItem.ERROR_LENGTH, PrometheusDataResource.DATAITEM_FIELD_DESC);
          }
  
          /* Set validation flag */
          if (!pRegion.hasErrors()) {
              pRegion.setValidEdit();
          }
      }
  
      @Override
      public void setDefaults(final MoneyWiseRegion pRegion) throws OceanusException {
          /* Set values */
          final MoneyWiseRegionList myList = pRegion.getList();
          pRegion.setName(getUniqueName(myList));
      }
  
      /**
       * Obtain unique name for new region.
       *
       * @param pList the region list
       * @return The new name
       */
     private String getUniqueName(final MoneyWiseRegionList pList) {
         /* Set up base constraints */
         final String myBase = NAME_NEWREGION;
         int iNextId = 1;
 
         /* Loop until we found a name */
         String myName = myBase;
         while (true) {
             /* try out the name */
             if (pList.findItemByName(myName) == null) {
                 return myName;
             }
 
             /* Build next name */
             myName = myBase.concat(Integer.toString(iNextId++));
         }
     }
 }