/*
 * 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.beam.examples.common;

import com.google.api.services.bigquery.model.TableSchema;
import org.apache.beam.sdk.extensions.gcp.options.GcpOptions;
import org.apache.beam.sdk.options.Default;
import org.apache.beam.sdk.options.DefaultValueFactory;
import org.apache.beam.sdk.options.Description;
import org.apache.beam.sdk.options.PipelineOptions;

/**
 * Options that can be used to configure BigQuery tables in Beam examples.
 * The project defaults to the project being used to run the example.
 */
public interface ExampleBigQueryTableOptions extends GcpOptions {
  @Description("BigQuery dataset name")
  @Default.String("beam_examples")
  String getBigQueryDataset();
  void setBigQueryDataset(String dataset);

  @Description("BigQuery table name")
  @Default.InstanceFactory(BigQueryTableFactory.class)
  String getBigQueryTable();
  void setBigQueryTable(String table);

  @Description("BigQuery table schema")
  TableSchema getBigQuerySchema();
  void setBigQuerySchema(TableSchema schema);

  /**
   * Returns the job name as the default BigQuery table name.
   */
  class BigQueryTableFactory implements DefaultValueFactory<String> {
    @Override
    public String create(PipelineOptions options) {
      return options.getJobName().replace('-', '_');
    }
  }
}