/*
    * 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.encrypt.yaml.swapper.rule;
  
  import org.apache.shardingsphere.encrypt.api.config.rule.EncryptColumnRuleConfiguration;
  import org.apache.shardingsphere.encrypt.api.config.rule.EncryptTableRuleConfiguration;
  import org.apache.shardingsphere.encrypt.yaml.config.rule.YamlEncryptColumnRuleConfiguration;
  import org.apache.shardingsphere.encrypt.yaml.config.rule.YamlEncryptTableRuleConfiguration;
  import org.apache.shardingsphere.infra.util.yaml.swapper.YamlConfigurationSwapper;
  
  import java.util.Collection;
  import java.util.LinkedList;
  import java.util.Map.Entry;
  
  /**
   * YAML encrypt table configuration swapper.
   */
  public final class YamlEncryptTableRuleConfigurationSwapper implements YamlConfigurationSwapper<YamlEncryptTableRuleConfiguration, EncryptTableRuleConfiguration> {
      
      private final YamlEncryptColumnRuleConfigurationSwapper columnSwapper = new YamlEncryptColumnRuleConfigurationSwapper();
      
      @Override
      public YamlEncryptTableRuleConfiguration swapToYamlConfiguration(final EncryptTableRuleConfiguration data) {
          YamlEncryptTableRuleConfiguration result = new YamlEncryptTableRuleConfiguration();
          for (EncryptColumnRuleConfiguration each : data.getColumns()) {
              result.getColumns().put(each.getName(), columnSwapper.swapToYamlConfiguration(each));
          }
          result.setName(data.getName());
          return result;
      }
      
      @Override
      public EncryptTableRuleConfiguration swapToObject(final YamlEncryptTableRuleConfiguration yamlConfig) {
          Collection<EncryptColumnRuleConfiguration> columns = new LinkedList<>();
          for (Entry<String, YamlEncryptColumnRuleConfiguration> entry : yamlConfig.getColumns().entrySet()) {
              entry.getValue().setName(entry.getKey());
              columns.add(columnSwapper.swapToObject(entry.getValue()));
          }
          return new EncryptTableRuleConfiguration(yamlConfig.getName(), columns);
      }
  }