/*
    * 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.shardingsphere.proxy.frontend.postgresql.authentication.authenticator;
  
  import lombok.Getter;
  import lombok.RequiredArgsConstructor;
  import org.apache.shardingsphere.authentication.AuthenticatorType;
  import org.apache.shardingsphere.proxy.frontend.postgresql.authentication.authenticator.impl.PostgreSQLMD5PasswordAuthenticator;
  import org.apache.shardingsphere.proxy.frontend.postgresql.authentication.authenticator.impl.PostgreSQLPasswordAuthenticator;
  
  /**
   * Authenticator type for PostgreSQL.
   */
  @RequiredArgsConstructor
  @Getter
  public enum PostgreSQLAuthenticatorType implements AuthenticatorType {
      
      MD5(PostgreSQLMD5PasswordAuthenticator.class, true),
      
      PASSWORD(PostgreSQLPasswordAuthenticator.class),
      
      // TODO impl SCRAM_SHA256 Authenticator
      SCRAM_SHA256(PostgreSQLMD5PasswordAuthenticator.class);
      
      private final Class<? extends PostgreSQLAuthenticator> authenticatorClass;
      
      private final boolean isDefault;
      
      PostgreSQLAuthenticatorType(final Class<? extends PostgreSQLAuthenticator> authenticatorClass) {
          this(authenticatorClass, false);
      }
  }