/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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 org.apache.syncope.core.persistence.jpa.entity.am;
  
  import com.fasterxml.jackson.core.type.TypeReference;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Optional;
  import javax.persistence.Entity;
  import javax.persistence.EnumType;
  import javax.persistence.Enumerated;
  import javax.persistence.Lob;
  import javax.persistence.PostLoad;
  import javax.persistence.PostPersist;
  import javax.persistence.PostUpdate;
  import javax.persistence.PrePersist;
  import javax.persistence.PreUpdate;
  import javax.persistence.Table;
  import javax.persistence.Transient;
  import javax.validation.constraints.NotNull;
  import org.apache.commons.lang3.StringUtils;
  import org.apache.syncope.common.lib.auth.AuthModuleConf;
  import org.apache.syncope.common.lib.to.Item;
  import org.apache.syncope.common.lib.types.AuthModuleState;
  import org.apache.syncope.core.persistence.api.entity.am.AuthModule;
  import org.apache.syncope.core.persistence.jpa.entity.AbstractProvidedKeyEntity;
  import org.apache.syncope.core.provisioning.api.serialization.POJOHelper;
  
  @Entity
  @Table(name = JPAAuthModule.TABLE)
  public class JPAAuthModule extends AbstractProvidedKeyEntity implements AuthModule {
  
      private static final long serialVersionUID = 5681033638234853077L;
  
      public static final String TABLE = "AuthModule";
  
      protected static final TypeReference<List<Item>> TYPEREF = new TypeReference<List<Item>>() {
      };
  
      private String description;
  
      @Enumerated(EnumType.STRING)
      @NotNull
      private AuthModuleState authModuleState;
  
      @NotNull
      private Integer authModuleOrder = 0;
  
      @Lob
      private String items;
  
      @Transient
      private final List<Item> itemList = new ArrayList<>();
  
      @Lob
      private String jsonConf;
  
      @Override
      public String getDescription() {
          return description;
      }
  
      @Override
      public void setDescription(final String description) {
          this.description = description;
      }
  
      @Override
      public AuthModuleState getState() {
          return authModuleState;
      }
  
      @Override
      public void setState(final AuthModuleState state) {
          this.authModuleState = state;
      }
  
      @Override
      public int getOrder() {
          return Optional.ofNullable(authModuleOrder).orElse(0);
      }
  
      @Override
     public void setOrder(final int order) {
         this.authModuleOrder = order;
     }
 
     @Override
     public List<Item> getItems() {
         return itemList;
     }
 
     @Override
     public AuthModuleConf getConf() {
         AuthModuleConf conf = null;
         if (!StringUtils.isBlank(jsonConf)) {
             conf = POJOHelper.deserialize(jsonConf, AuthModuleConf.class);
         }
 
         return conf;
     }
 
     @Override
     public void setConf(final AuthModuleConf conf) {
         jsonConf = POJOHelper.serialize(conf);
     }
 
     protected void json2list(final boolean clearFirst) {
         if (clearFirst) {
             getItems().clear();
         }
         if (items != null) {
             getItems().addAll(POJOHelper.deserialize(items, TYPEREF));
         }
     }
 
     @PostLoad
     public void postLoad() {
         json2list(false);
     }
 
     @PostPersist
     @PostUpdate
     public void postSave() {
         json2list(true);
     }
 
     @PrePersist
     @PreUpdate
     public void list2json() {
         items = POJOHelper.serialize(getItems());
     }
 
 }