/*
    * 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.mask.yaml.swapper.rule;
  
  import org.apache.shardingsphere.infra.util.yaml.swapper.YamlConfigurationSwapper;
  import org.apache.shardingsphere.mask.api.config.rule.MaskColumnRuleConfiguration;
  import org.apache.shardingsphere.mask.api.config.rule.MaskTableRuleConfiguration;
  import org.apache.shardingsphere.mask.yaml.config.rule.YamlMaskColumnRuleConfiguration;
  import org.apache.shardingsphere.mask.yaml.config.rule.YamlMaskTableRuleConfiguration;
  
  import java.util.Collection;
  import java.util.LinkedList;
  import java.util.Map.Entry;
  
  /**
   * YAML mask table rule configuration swapper.
   */
  public final class YamlMaskTableRuleConfigurationSwapper implements YamlConfigurationSwapper<YamlMaskTableRuleConfiguration, MaskTableRuleConfiguration> {
      
      private final YamlMaskColumnRuleConfigurationSwapper columnSwapper = new YamlMaskColumnRuleConfigurationSwapper();
      
      @Override
      public YamlMaskTableRuleConfiguration swapToYamlConfiguration(final MaskTableRuleConfiguration data) {
          YamlMaskTableRuleConfiguration result = new YamlMaskTableRuleConfiguration();
          for (MaskColumnRuleConfiguration each : data.getColumns()) {
              result.getColumns().put(each.getLogicColumn(), columnSwapper.swapToYamlConfiguration(each));
          }
          result.setName(data.getName());
          return result;
      }
      
      @Override
      public MaskTableRuleConfiguration swapToObject(final YamlMaskTableRuleConfiguration yamlConfig) {
          Collection<MaskColumnRuleConfiguration> columns = new LinkedList<>();
          for (Entry<String, YamlMaskColumnRuleConfiguration> entry : yamlConfig.getColumns().entrySet()) {
              YamlMaskColumnRuleConfiguration yamlMaskColumnRuleConfig = entry.getValue();
              yamlMaskColumnRuleConfig.setLogicColumn(entry.getKey());
              columns.add(columnSwapper.swapToObject(yamlMaskColumnRuleConfig));
          }
          return new MaskTableRuleConfiguration(yamlConfig.getName(), columns);
      }
  }