/*
    * 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.core.ingest.dumper.inventory;
  
  import lombok.Getter;
  import lombok.Setter;
  import lombok.ToString;
  import org.apache.shardingsphere.data.pipeline.core.ingest.dumper.DumperCommonContext;
  import org.apache.shardingsphere.data.pipeline.core.metadata.model.PipelineColumnMetaData;
  import org.apache.shardingsphere.data.pipeline.core.ratelimit.JobRateLimitAlgorithm;
  import org.apache.shardingsphere.infra.metadata.identifier.ShardingSphereIdentifier;
  
  import java.util.Collections;
  import java.util.List;
  import java.util.Optional;
  import java.util.stream.Collectors;
  
  /**
   * Inventory dumper context.
   */
  @Getter
  @Setter
  @ToString
  public final class InventoryDumperContext {
      
      private final DumperCommonContext commonContext;
      
      private String actualTableName;
      
      private String logicTableName;
      
      private List<PipelineColumnMetaData> uniqueKeyColumns;
      
      private List<ShardingSphereIdentifier> targetUniqueKeysNames;
      
      private List<String> insertColumnNames;
      
      private int shardingItem;
      
      private int batchSize = 1000;
      
      private JobRateLimitAlgorithm rateLimitAlgorithm;
      
      public InventoryDumperContext(final DumperCommonContext commonContext) {
          this.commonContext = new DumperCommonContext(
                  commonContext.getDataSourceName(), commonContext.getDataSourceConfig(), commonContext.getTableNameMapper(), commonContext.getTableAndSchemaNameMapper());
      }
      
      /**
       * Set unique key columns.
       *
       * @param uniqueKeyColumns unique key columns
       */
      public void setUniqueKeyColumns(final List<PipelineColumnMetaData> uniqueKeyColumns) {
          this.uniqueKeyColumns = uniqueKeyColumns;
          targetUniqueKeysNames = hasUniqueKey()
                  ? uniqueKeyColumns.stream().map(each -> new ShardingSphereIdentifier(each.getName())).collect(Collectors.toList())
                  : Collections.emptyList();
      }
      
      /**
       * Has unique key or not.
       *
       * @return true when there's unique key, else false
       */
      public boolean hasUniqueKey() {
          return null != uniqueKeyColumns && !uniqueKeyColumns.isEmpty();
      }
      
      /**
       * Get query column names.
       *
       * @return query column names
       */
      public List<String> getQueryColumnNames() {
          return Optional.ofNullable(insertColumnNames).orElse(Collections.singletonList("*"));
      }
  }