/**
    * This file Copyright (c) 2011-2018 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.objectfactory.configuration;
  
  import static java.util.stream.Collectors.toMap;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import com.google.inject.Key;
  import com.google.inject.Provider;
  
  
  /**
   * Configuration used to create component providers.
   */
  public class ComponentProviderConfiguration implements Cloneable {
  
      private Map<Key, Class> typeMapping = new HashMap<>();
      private Map<Key, ComponentConfiguration> components = new HashMap<>();
      private List<ComponentConfigurer> configurers = new ArrayList<>();
  
      public void addComponent(ComponentConfiguration componentConfiguration) {
          this.components.put(componentConfiguration.getKey(), componentConfiguration);
      }
  
      public void addTypeMapping(Key<?> from, Class<?> to) {
          this.typeMapping.put(from, to);
      }
  
      public void addTypeMapping(Class<?> from, Class<?> to) {
          this.typeMapping.put(Key.get(from), to);
      }
  
      public Map<Key, Class> getAnnotatedTypeMappings() {
          return this.typeMapping;
      }
  
      /**
       * @deprecated since 5.5.5 - use {@link #getAnnotatedTypeMappings()} instead.
       */
      @Deprecated
      @SuppressWarnings("unchecked")
      public Map<Class<?>, Class<?>> getTypeMapping() {
          return typeMapping
                  .entrySet()
                  .stream()
                  .collect(toMap(entry -> entry.getKey().getTypeLiteral().getRawType(), Map.Entry::getValue));
      }
  
      public Map<Key, ComponentConfiguration> getAnnotatedComponents() {
          return components;
      }
  
      /**
       * @deprecated since 5.5.5 - use {@link #getAnnotatedComponents()} instead.
       */
      @Deprecated
      @SuppressWarnings("unchecked")
      public Map<Class, ComponentConfiguration> getComponents() {
          return components
                  .entrySet()
                  .stream()
                  .collect(toMap(entry -> entry.getKey().getTypeLiteral().getRawType(), Map.Entry::getValue));
      }
  
     public List<ComponentConfigurer> getConfigurers() {
         return configurers;
     }
 
     public boolean addConfigurer(ComponentConfigurer configurer) {
         return configurers.add(configurer);
     }
 
     public <T> void registerImplementation(Class<T> type, Class<? extends T> implementation) {
         addComponent(ImplementationConfiguration.valueOf(type, implementation));
     }
 
     public <T> void registerImplementation(Class<T> type) {
         registerImplementation(type, type);
     }
 
     public <T> void registerInstance(Class<T> type, Object instance) {
         addComponent(InstanceConfiguration.valueOf(type, instance));
     }
 
     public <T> void registerProvider(Class<T> type, Class<? extends Provider<T>> providerClass) {
         addComponent(ProviderConfiguration.of(type, providerClass));
     }
 
     public void combine(ComponentProviderConfiguration components) {
         this.typeMapping.putAll(components.typeMapping);
         this.components.putAll(components.clone().components);
         this.configurers.addAll(components.configurers);
     }
 
     @Override
     public ComponentProviderConfiguration clone() {
         try {
             ComponentProviderConfigurationia/objectfactory/configuration/ComponentProviderConfiguration.html#ComponentProviderConfiguration">ComponentProviderConfiguration clone = (ComponentProviderConfiguration) super.clone();
             clone.components = new HashMap<>();
             for (Map.Entry<Key, ComponentConfiguration> entry : components.entrySet()) {
                 clone.components.put(entry.getKey(), entry.getValue().clone());
             }
             clone.typeMapping = new HashMap<>(typeMapping);
             clone.configurers = new ArrayList<>(configurers);
             return clone;
         } catch (CloneNotSupportedException e) {
             // should never happen
             throw new RuntimeException(e);
         }
     }
 }