/*
    * 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 io.github.tonywasher.joceanus.prometheus.data.PrometheusDataResource;
  
  import java.util.LinkedHashMap;
  import java.util.Map;
  
  /**
   * DataTouchMap for List.
   */
  public class PrometheusMapsListTouch
          implements MetisFieldItem {
      /**
       * Report fields.
       */
      private static final MetisFieldSet<PrometheusMapsListTouch> FIELD_DEFS
              = MetisFieldSet.newFieldSet(PrometheusMapsListTouch.class);
  
      /*
       * Declare Fields.
       */
      static {
          FIELD_DEFS.declareLocalField(PrometheusDataResource.DATAITEM_TYPE, PrometheusMapsListTouch::getListKey);
          FIELD_DEFS.declareLocalField(PrometheusMapsResource.MAPS_TOUCHMAP, PrometheusMapsListTouch::getTouchMap);
      }
  
      /**
       * listKey.
       */
      private final MetisListKey theListKey;
  
      /**
       * The map of itemId to touch map.
       */
      private final Map<Integer, PrometheusMapsItemTouch> theTouchMap;
  
      /**
       * Constructor.
       *
       * @param pKey the listKey
       */
      PrometheusMapsListTouch(final MetisListKey pKey) {
          theListKey = pKey;
          theTouchMap = new LinkedHashMap<>();
      }
  
      @Override
      public MetisFieldSetDef getDataFieldSet() {
          return FIELD_DEFS;
      }
  
      @Override
      public String formatObject(final OceanusDataFormatter pFormatter) {
          return pFormatter.formatObject(theListKey);
      }
  
      /**
       * Obtain the listKey.
       *
       * @return the listKey
       */
      private MetisListKey getListKey() {
          return theListKey;
      }
  
      /**
       * Obtain the touchedBy map.
       *
       * @return the map
       */
      private Map<Integer, PrometheusMapsItemTouch> getTouchMap() {
          return theTouchMap;
      }
  
      /**
       * Record touchedBy.
       *
       * @param pTouchedItem  the item that is touched
      * @param pTouchingItem the item that touches
      */
     void recordTouchedBy(final PrometheusDataItem pTouchedItem,
                          final PrometheusDataItem pTouchingItem) {
         /* Access correct touchedBy map */
         final PrometheusMapsItemTouch myMap = theTouchMap.computeIfAbsent(pTouchedItem.getIndexedId(),
                 i -> new PrometheusMapsItemTouch(pTouchedItem));
         myMap.touchedByItem(pTouchingItem);
     }
 
 
     /**
      * Record touches.
      *
      * @param pTouchedItem  the item that is touched
      * @param pTouchingItem the item that touches
      */
     void recordTouches(final PrometheusDataItem pTouchedItem,
                        final PrometheusDataItem pTouchingItem) {
         /* Access correct touches map */
         final PrometheusMapsItemTouch myMap = theTouchMap.computeIfAbsent(pTouchingItem.getIndexedId(),
                 i -> new PrometheusMapsItemTouch(pTouchingItem));
         myMap.touchesItem(pTouchedItem);
     }
 
     /**
      * Is the item touched?
      *
      * @param pItem the item
      * @return true/false
      */
     boolean isTouched(final PrometheusDataItem pItem) {
         final PrometheusMapsItemTouch myMap = theTouchMap.get(pItem.getIndexedId());
         return myMap != null && myMap.isTouched();
     }
 }