/*
    * 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.data.pipeline.scenario.migration;
  
  import org.apache.shardingsphere.data.pipeline.core.consistencycheck.ConsistencyCheckJobItemProgressContext;
  import org.apache.shardingsphere.data.pipeline.core.consistencycheck.PipelineDataConsistencyChecker;
  import org.apache.shardingsphere.data.pipeline.core.context.TransmissionProcessContext;
  import org.apache.shardingsphere.data.pipeline.core.job.type.PipelineJobOption;
  import org.apache.shardingsphere.data.pipeline.core.job.type.PipelineJobType;
  import org.apache.shardingsphere.data.pipeline.core.pojo.PipelineJobTarget;
  import org.apache.shardingsphere.data.pipeline.scenario.migration.check.consistency.MigrationDataConsistencyChecker;
  import org.apache.shardingsphere.data.pipeline.scenario.migration.config.MigrationJobConfiguration;
  import org.apache.shardingsphere.data.pipeline.scenario.migration.config.yaml.swapper.YamlMigrationJobConfigurationSwapper;
  
  import java.util.Collection;
  import java.util.LinkedList;
  
  /**
   * Migration job type.
   */
  public final class MigrationJobType implements PipelineJobType<MigrationJobConfiguration> {
      
      @Override
      public PipelineJobOption getOption() {
          return new PipelineJobOption("01", MigrationJob.class, true, new YamlMigrationJobConfigurationSwapper(), false, "CONSISTENCY_CHECK", "CONSISTENCY_CHECK", false);
      }
      
      @Override
      public PipelineJobTarget getJobTarget(final MigrationJobConfiguration jobConfig) {
          Collection<String> sourceTables = new LinkedList<>();
          jobConfig.getJobShardingDataNodes().forEach(each -> each.getEntries().forEach(entry -> entry.getDataNodes().forEach(dataNode -> sourceTables.add(dataNode.format()))));
          return new PipelineJobTarget(null, String.join(",", sourceTables));
      }
      
      @Override
      public PipelineDataConsistencyChecker buildDataConsistencyChecker(final MigrationJobConfiguration jobConfig,
                                                                        final TransmissionProcessContext processContext, final ConsistencyCheckJobItemProgressContext progressContext) {
          return new MigrationDataConsistencyChecker(jobConfig, processContext, progressContext);
      }
      
      @Override
      public String getType() {
          return "MIGRATION";
      }
  }