/*
    * Prometheus: Application Framework
    * 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.prometheus.maps;
  
  import io.github.tonywasher.joceanus.oceanus.format.OceanusDataFormatter;
  import io.github.tonywasher.joceanus.metis.field.MetisFieldItem;
  import io.github.tonywasher.joceanus.metis.field.MetisFieldSet;
  import io.github.tonywasher.joceanus.metis.list.MetisListKey;
  import io.github.tonywasher.joceanus.prometheus.data.PrometheusDataItem;
  
  import java.util.LinkedHashMap;
  import java.util.Map;
  
  /**
   * DataTouchMap for dataSet/editSet.
   */
  public class PrometheusMapsDataSetTouch
          implements MetisFieldItem {
      /**
       * Report fields.
       */
      private static final MetisFieldSet<PrometheusMapsDataSetTouch> FIELD_DEFS = MetisFieldSet.newFieldSet(PrometheusMapsDataSetTouch.class);
  
      /*
       * Declare Fields.
       */
      static {
          FIELD_DEFS.declareLocalField(PrometheusMapsResource.MAPS_TOUCHMAP, PrometheusMapsDataSetTouch::getTouchMap);
      }
  
      /**
       * The map of listKey to listMap.
       */
      private final Map<MetisListKey, PrometheusMapsListTouch> theListMap;
  
      /**
       * Constructor.
       */
      PrometheusMapsDataSetTouch() {
          theListMap = new LinkedHashMap<>();
      }
  
      @Override
      public MetisFieldSetDef getDataFieldSet() {
          return FIELD_DEFS;
      }
  
      @Override
      public String formatObject(final OceanusDataFormatter pFormatter) {
          return PrometheusMapsDataSetTouch.class.getSimpleName();
      }
  
      /**
       * Obtain the list map.
       *
       * @return the map
       */
      private Map<MetisListKey, PrometheusMapsListTouch> getTouchMap() {
          return theListMap;
      }
  
      /**
       * Record touch.
       *
       * @param pTouchedItem  the item that is touched
       * @param pTouchingItem the item that touches
       */
      void recordTouch(final PrometheusDataItem pTouchedItem,
                       final PrometheusDataItem pTouchingItem) {
          /* Access correct map and record the touch */
          MetisListKey myKey = pTouchedItem.getItemType();
          PrometheusMapsListTouch myMap = theListMap.computeIfAbsent(myKey,
                  PrometheusMapsListTouch::new);
          myMap.recordTouchedBy(pTouchedItem, pTouchingItem);
  
          /* Access correct map and record the touch */
          myKey = pTouchingItem.getItemType();
          myMap = theListMap.computeIfAbsent(myKey,
                  PrometheusMapsListTouch::new);
          myMap.recordTouches(pTouchedItem, pTouchingItem);
      }
  
      /**
       * Is the item touched?
       *
      * @param pItem the item
      * @return true/false
      */
     boolean isTouched(final PrometheusDataItem pItem) {
         final PrometheusMapsListTouch myMap = theListMap.get(pItem.getItemType());
         return myMap != null && myMap.isTouched(pItem);
     }
 
     /**
      * Reset the map.
      */
     void resetMap() {
         theListMap.clear();
     }
 }