/*
    * 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 java.util.stream.Collectors;
  import java.util.stream.Stream;
  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.syncope.common.lib.to.Item;
  import org.apache.syncope.common.lib.types.OIDCClientImplementationType;
  import org.apache.syncope.core.persistence.api.entity.Implementation;
  import org.apache.syncope.core.persistence.api.entity.OIDCC4UIProvider;
  import org.apache.syncope.core.persistence.api.entity.OIDCC4UIUserTemplate;
  import org.apache.syncope.core.persistence.jpa.validation.entity.OIDCC4UIProviderCheck;
  import org.apache.syncope.core.provisioning.api.serialization.POJOHelper;
  import org.springframework.util.CollectionUtils;
  
  @Entity
  @Table(name = JPAOIDCC4UIProvider.TABLE)
  @Cacheable
  @OIDCC4UIProviderCheck
  public class JPAOIDCC4UIProvider extends AbstractGeneratedKeyEntity implements OIDCC4UIProvider {
  
      public static final String TABLE = "OIDCProvider";
  
      private static final long serialVersionUID = 1423093003585826403L;
  
      @Column(unique = true, nullable = false)
      private String name;
  
      @Column(unique = true, nullable = false)
      private String clientID;
  
      @Column(unique = true, nullable = false)
      private String clientSecret;
  
      @Column(nullable = false)
      private String authorizationEndpoint;
  
      @Column(nullable = false)
      private String tokenEndpoint;
  
      @Column(nullable = false)
      private String jwksUri;
  
      @Column(nullable = false)
      private String issuer;
  
      @Column(nullable = true)
      private String userinfoEndpoint;
  
      @Column(nullable = true)
      private String endSessionEndpoint;
  
      private String scopes;
  
      @Column(nullable = false)
      private boolean hasDiscovery;
  
      @OneToOne(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER, mappedBy = "op")
      private JPAOIDCC4UIUserTemplate userTemplate;
  
      @Lob
     private String items;
 
     @Transient
     private final List<Item> itemList = new ArrayList<>();
 
     @NotNull
     private Boolean createUnmatching = false;
 
     @NotNull
     private Boolean selfRegUnmatching = false;
 
     @NotNull
     private Boolean updateMatching = false;
 
     @ManyToMany(fetch = FetchType.EAGER)
     @JoinTable(name = "OIDCProviderAction",
             joinColumns =
             @JoinColumn(name = "op_id"),
             inverseJoinColumns =
             @JoinColumn(name = "implementation_id"))
     private List<JPAImplementation> actions = new ArrayList<>();
 
     @Override
     public String getName() {
         return name;
     }
 
     @Override
     public void setName(final String name) {
         this.name = name;
     }
 
     @Override
     public String getClientID() {
         return clientID;
     }
 
     @Override
     public void setClientID(final String clientID) {
         this.clientID = clientID;
     }
 
     @Override
     public String getClientSecret() {
         return clientSecret;
     }
 
     @Override
     public void setClientSecret(final String clientSecret) {
         this.clientSecret = clientSecret;
     }
 
     @Override
     public String getAuthorizationEndpoint() {
         return authorizationEndpoint;
     }
 
     @Override
     public void setAuthorizationEndpoint(final String authorizationEndpoint) {
         this.authorizationEndpoint = authorizationEndpoint;
     }
 
     @Override
     public String getTokenEndpoint() {
         return tokenEndpoint;
     }
 
     @Override
     public void setTokenEndpoint(final String tokenEndpoint) {
         this.tokenEndpoint = tokenEndpoint;
     }
 
     @Override
     public String getJwksUri() {
         return jwksUri;
     }
 
     @Override
     public void setJwksUri(final String jwksUri) {
         this.jwksUri = jwksUri;
     }
 
     @Override
     public String getIssuer() {
         return issuer;
     }
 
     @Override
     public void setIssuer(final String issuer) {
         this.issuer = issuer;
     }
 
     @Override
     public String getUserinfoEndpoint() {
         return userinfoEndpoint;
     }
 
     @Override
     public void setUserinfoEndpoint(final String userinfoEndpoint) {
         this.userinfoEndpoint = userinfoEndpoint;
     }
 
     @Override
     public String getEndSessionEndpoint() {
         return endSessionEndpoint;
     }
 
     @Override
     public void setEndSessionEndpoint(final String endSessionEndpoint) {
         this.endSessionEndpoint = endSessionEndpoint;
     }
 
     @Override
     public List<String> getScopes() {
         return Optional.ofNullable(scopes).
                 map(s -> Stream.of(s.split(" ")).collect(Collectors.toList())).
                 orElse(List.of());
     }
 
     @Override
     public void setScopes(final List<String> scopes) {
         this.scopes = CollectionUtils.isEmpty(scopes)
                 ? ""
                 : scopes.stream().collect(Collectors.joining(" "));
     }
 
     @Override
     public boolean getHasDiscovery() {
         return hasDiscovery;
     }
 
     @Override
     public void setHasDiscovery(final boolean hasDiscovery) {
         this.hasDiscovery = hasDiscovery;
     }
 
     @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 OIDCC4UIUserTemplate getUserTemplate() {
         return userTemplate;
     }
 
     @Override
     public void setUserTemplate(final OIDCC4UIUserTemplate userTemplate) {
         checkType(userTemplate, JPAOIDCC4UIUserTemplate.class);
         this.userTemplate = (JPAOIDCC4UIUserTemplate) 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, OIDCClientImplementationType.OP_ACTIONS);
         return actions.contains((JPAImplementation) action) || actions.add((JPAImplementation) action);
     }
 
     @Override
     public List<? extends Implementation> getActions() {
         return actions;
     }
 
     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());
     }
 }