/*
    * 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;
  
  import com.fasterxml.jackson.core.type.TypeReference;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Optional;
  import javax.persistence.Basic;
  import javax.persistence.Cacheable;
  import javax.persistence.CascadeType;
  import javax.persistence.Column;
  import javax.persistence.Entity;
  import javax.persistence.FetchType;
  import javax.persistence.JoinColumn;
  import javax.persistence.JoinTable;
  import javax.persistence.Lob;
  import javax.persistence.ManyToMany;
  import javax.persistence.OneToOne;
  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.ArrayUtils;
  import org.apache.syncope.common.lib.to.Item;
  import org.apache.syncope.common.lib.types.SAML2BindingType;
  import org.apache.syncope.common.lib.types.SAML2SP4UIImplementationType;
  import org.apache.syncope.core.persistence.api.entity.Implementation;
  import org.apache.syncope.core.persistence.api.entity.SAML2SP4UIIdP;
  import org.apache.syncope.core.persistence.api.entity.SAML2SP4UIUserTemplate;
  import org.apache.syncope.core.persistence.jpa.validation.entity.SAML2SP4UIIdPCheck;
  import org.apache.syncope.core.provisioning.api.serialization.POJOHelper;
  
  @Entity
  @Table(name = JPASAML2SP4UIIdP.TABLE)
  @Cacheable
  @SAML2SP4UIIdPCheck
  public class JPASAML2SP4UIIdP extends AbstractGeneratedKeyEntity implements SAML2SP4UIIdP {
  
      private static final long serialVersionUID = -392372595500355552L;
  
      public static final String TABLE = "SAML2SP4UIIdP";
  
      @Column(unique = true, nullable = false)
      private String entityID;
  
      @Column(unique = true, nullable = false)
      private String name;
  
      @Lob
      @Basic(fetch = FetchType.EAGER)
      private Byte[] metadata;
  
      @Column(nullable = false)
      private SAML2BindingType bindingType;
  
      @NotNull
      private Boolean logoutSupported = false;
  
      @NotNull
      private Boolean createUnmatching = false;
  
      @NotNull
      private Boolean selfRegUnmatching = false;
  
      @NotNull
      private Boolean updateMatching = false;
  
      @OneToOne(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER, mappedBy = "idp")
      private JPASAML2SP4UIUserTemplate userTemplate;
  
      @Lob
      private String items;
  
      @Transient
      private final List<Item> itemList = new ArrayList<>();
  
      @ManyToMany(fetch = FetchType.EAGER)
      @JoinTable(name = "SAML2IdP4UIAction",
             joinColumns =
             @JoinColumn(name = "saml2idp4ui_id"),
             inverseJoinColumns =
             @JoinColumn(name = "implementation_id"))
     private List<JPAImplementation> actions = new ArrayList<>();
 
     @OneToOne
     private JPAImplementation requestedAuthnContextProvider;
 
     @Override
     public String getEntityID() {
         return entityID;
     }
 
     @Override
     public void setEntityID(final String entityID) {
         this.entityID = entityID;
     }
 
     @Override
     public String getName() {
         return name;
     }
 
     @Override
     public void setName(final String name) {
         this.name = name;
     }
 
     @Override
     public byte[] getMetadata() {
         return Optional.ofNullable(metadata).map(ArrayUtils::toPrimitive).orElse(null);
     }
 
     @Override
     public void setMetadata(final byte[] metadata) {
         this.metadata = Optional.ofNullable(metadata).map(ArrayUtils::toObject).orElse(null);
     }
 
     @Override
     public boolean isLogoutSupported() {
         return logoutSupported;
     }
 
     @Override
     public void setLogoutSupported(final boolean logoutSupported) {
         this.logoutSupported = logoutSupported;
     }
 
     @Override
     public boolean isCreateUnmatching() {
         return createUnmatching;
     }
 
     @Override
     public void setCreateUnmatching(final boolean createUnmatching) {
         this.createUnmatching = createUnmatching;
     }
 
     @Override
     public boolean isSelfRegUnmatching() {
         return selfRegUnmatching;
     }
 
     @Override
     public void setSelfRegUnmatching(final boolean selfRegUnmatching) {
         this.selfRegUnmatching = selfRegUnmatching;
     }
 
     @Override
     public boolean isUpdateMatching() {
         return updateMatching;
     }
 
     @Override
     public void setUpdateMatching(final boolean updateMatching) {
         this.updateMatching = updateMatching;
     }
 
     @Override
     public SAML2BindingType getBindingType() {
         return bindingType;
     }
 
     @Override
     public void setBindingType(final SAML2BindingType bindingType) {
         this.bindingType = bindingType;
     }
 
     @Override
     public SAML2SP4UIUserTemplate getUserTemplate() {
         return userTemplate;
     }
 
     @Override
     public void setUserTemplate(final SAML2SP4UIUserTemplate userTemplate) {
         checkType(userTemplate, JPASAML2SP4UIUserTemplate.class);
         this.userTemplate = (JPASAML2SP4UIUserTemplate) userTemplate;
     }
 
     @Override
     public List<Item> getItems() {
         return itemList;
     }
 
     @Override
     public Optional<Item> getConnObjectKeyItem() {
         return getItems().stream().filter(Item::isConnObjectKey).findFirst();
     }
 
     @Override
     public void setConnObjectKeyItem(final Item item) {
         item.setConnObjectKey(true);
         getItems().add(item);
     }
 
     @Override
     public boolean add(final Implementation action) {
         checkType(action, JPAImplementation.class);
         checkImplementationType(action, SAML2SP4UIImplementationType.IDP_ACTIONS);
         return actions.contains((JPAImplementation) action) || actions.add((JPAImplementation) action);
     }
 
     @Override
     public List<? extends Implementation> getActions() {
         return actions;
     }
 
     @Override
     public JPAImplementation getRequestedAuthnContextProvider() {
         return requestedAuthnContextProvider;
     }
 
     @Override
     public void setRequestedAuthnContextProvider(final Implementation requestedAuthnContextProvider) {
         checkType(requestedAuthnContextProvider, JPAImplementation.class);
         checkImplementationType(requestedAuthnContextProvider,
                 SAML2SP4UIImplementationType.REQUESTED_AUTHN_CONTEXT_PROVIDER);
         this.requestedAuthnContextProvider = (JPAImplementation) requestedAuthnContextProvider;
     }
 
     protected void json2list(final boolean clearFirst) {
         if (clearFirst) {
             getItems().clear();
         }
         if (items != null) {
             getItems().addAll(
                     POJOHelper.deserialize(items, new TypeReference<List<Item>>() {
                     }));
         }
     }
 
     @PostLoad
     public void postLoad() {
         json2list(false);
     }
 
     @PostPersist
     @PostUpdate
     public void postSave() {
         json2list(true);
     }
 
     @PrePersist
     @PreUpdate
     public void list2json() {
         items = POJOHelper.serialize(getItems());
     }
 }