/*
 * 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.carbondata.presto;

import java.util.List;
import java.util.Map;
import java.util.OptionalInt;
import java.util.Set;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.util.concurrent.ListeningExecutorService;
import com.google.inject.Inject;
import io.airlift.event.client.EventClient;
import io.airlift.json.JsonCodec;
import io.airlift.units.DataSize;
import io.prestosql.plugin.hive.HdfsEnvironment;
import io.prestosql.plugin.hive.HiveConfig;
import io.prestosql.plugin.hive.HiveFileWriterFactory;
import io.prestosql.plugin.hive.HiveMetastoreClosure;
import io.prestosql.plugin.hive.HivePageSink;
import io.prestosql.plugin.hive.HivePageSinkProvider;
import io.prestosql.plugin.hive.HiveSessionProperties;
import io.prestosql.plugin.hive.HiveWritableTableHandle;
import io.prestosql.plugin.hive.HiveWriterStats;
import io.prestosql.plugin.hive.LocationService;
import io.prestosql.plugin.hive.PartitionUpdate;
import io.prestosql.plugin.hive.authentication.HiveIdentity;
import io.prestosql.plugin.hive.metastore.HiveMetastore;
import io.prestosql.plugin.hive.metastore.HivePageSinkMetadataProvider;
import io.prestosql.plugin.hive.metastore.SortingColumn;
import io.prestosql.spi.NodeManager;
import io.prestosql.spi.PageIndexerFactory;
import io.prestosql.spi.PageSorter;
import io.prestosql.spi.connector.ConnectorInsertTableHandle;
import io.prestosql.spi.connector.ConnectorPageSink;
import io.prestosql.spi.connector.ConnectorSession;
import io.prestosql.spi.connector.ConnectorTransactionHandle;
import io.prestosql.spi.type.TypeManager;

import static com.google.common.util.concurrent.MoreExecutors.listeningDecorator;
import static io.airlift.concurrent.Threads.daemonThreadsNamed;
import static io.prestosql.plugin.hive.metastore.cache.CachingHiveMetastore.memoizeMetastore;
import static java.util.Objects.requireNonNull;
import static java.util.concurrent.Executors.newFixedThreadPool;

public class CarbonDataPageSinkProvider extends HivePageSinkProvider {

  private final Set<HiveFileWriterFactory> fileWriterFactories;
  private final HdfsEnvironment hdfsEnvironment;
  private final PageSorter pageSorter;
  private final HiveMetastore metastore;
  private final PageIndexerFactory pageIndexerFactory;
  private final TypeManager typeManager;
  private final int maxOpenPartitions;
  private final int maxOpenSortFiles;
  private final DataSize writerSortBufferSize;
  private final boolean immutablePartitions;
  private final LocationService locationService;
  private final ListeningExecutorService writeVerificationExecutor;
  private final JsonCodec<PartitionUpdate> partitionUpdateCodec;
  private final NodeManager nodeManager;
  private final EventClient eventClient;
  private final HiveSessionProperties hiveSessionProperties;
  private final HiveWriterStats hiveWriterStats;
  private final long perTransactionMetastoreCacheMaximumSize;

  @Inject
  public CarbonDataPageSinkProvider(Set<HiveFileWriterFactory> fileWriterFactories,
      HdfsEnvironment hdfsEnvironment, PageSorter pageSorter, HiveMetastore metastore,
      PageIndexerFactory pageIndexerFactory, TypeManager typeManager, HiveConfig config,
      LocationService locationService, JsonCodec<PartitionUpdate> partitionUpdateCodec,
      NodeManager nodeManager, EventClient eventClient, HiveSessionProperties hiveSessionProperties,
      HiveWriterStats hiveWriterStats) {
    super(fileWriterFactories, hdfsEnvironment, pageSorter, metastore, pageIndexerFactory,
        typeManager, config, locationService, partitionUpdateCodec, nodeManager, eventClient,
        hiveSessionProperties, hiveWriterStats);
    this.fileWriterFactories =
        ImmutableSet.copyOf(requireNonNull(fileWriterFactories, "fileWriterFactories is null"));
    this.hdfsEnvironment = requireNonNull(hdfsEnvironment, "hdfsEnvironment is null");
    this.pageSorter = requireNonNull(pageSorter, "pageSorter is null");
    this.metastore = requireNonNull(metastore, "metastore is null");
    this.pageIndexerFactory = requireNonNull(pageIndexerFactory, "pageIndexerFactory is null");
    this.typeManager = requireNonNull(typeManager, "typeManager is null");
    this.maxOpenPartitions = config.getMaxPartitionsPerWriter();
    this.maxOpenSortFiles = config.getMaxOpenSortFiles();
    this.writerSortBufferSize =
        requireNonNull(config.getWriterSortBufferSize(), "writerSortBufferSize is null");
    this.immutablePartitions = config.isImmutablePartitions();
    this.locationService = requireNonNull(locationService, "locationService is null");
    this.writeVerificationExecutor = listeningDecorator(
        newFixedThreadPool(config.getWriteValidationThreads(),
            daemonThreadsNamed("hive-write-validation-%s")));
    this.partitionUpdateCodec =
        requireNonNull(partitionUpdateCodec, "partitionUpdateCodec is null");
    this.nodeManager = requireNonNull(nodeManager, "nodeManager is null");
    this.eventClient = requireNonNull(eventClient, "eventClient is null");
    this.hiveSessionProperties =
        requireNonNull(hiveSessionProperties, "hiveSessionProperties is null");
    this.hiveWriterStats = requireNonNull(hiveWriterStats, "stats is null");
    this.perTransactionMetastoreCacheMaximumSize =
        config.getPerTransactionMetastoreCacheMaximumSize();
  }

  @Override public ConnectorPageSink createPageSink(ConnectorTransactionHandle transaction,
      ConnectorSession session, ConnectorInsertTableHandle tableHandle) {
    CarbonDataInsertTableHandle handle = (CarbonDataInsertTableHandle) tableHandle;
    return createPageSink(handle, session, ImmutableMap.of(), handle.getAdditionalConf(), false);
  }

  private ConnectorPageSink createPageSink(HiveWritableTableHandle handle, ConnectorSession session,
      Map<String, String> additionalTableParameters, Map<String, String> additionalConf,
      boolean isCreateTable) {
    OptionalInt bucketCount = OptionalInt.empty();
    List<SortingColumn> sortedBy = ImmutableList.of();

    if (handle.getBucketProperty().isPresent()) {
      bucketCount = OptionalInt.of(handle.getBucketProperty().get().getBucketCount());
      sortedBy = handle.getBucketProperty().get().getSortedBy();
    }
    CarbonDataWriterFactory carbonDataWriterFactory = new CarbonDataWriterFactory(
        fileWriterFactories,
        handle.getSchemaName(),
        handle.getTableName(),
        isCreateTable,
        handle.getInputColumns(),
        handle.getTableStorageFormat(),
        handle.getPartitionStorageFormat(),
        additionalTableParameters,
        bucketCount,
        sortedBy,
        handle.getLocationHandle(),
        locationService,
        session.getQueryId(),
        new HivePageSinkMetadataProvider(
            handle.getPageSinkMetadata(),
            new HiveMetastoreClosure(
                memoizeMetastore(
                    metastore,
                    perTransactionMetastoreCacheMaximumSize)),
            new HiveIdentity(session)),
        typeManager,
        hdfsEnvironment,
        pageSorter,
        writerSortBufferSize,
        maxOpenSortFiles,
        immutablePartitions,
        session,
        nodeManager,
        eventClient,
        hiveSessionProperties,
        hiveWriterStats,
        additionalConf
    );

    return new HivePageSink(
        carbonDataWriterFactory,
        handle.getInputColumns(),
        handle.getBucketProperty(),
        pageIndexerFactory,
        hdfsEnvironment,
        maxOpenPartitions,
        writeVerificationExecutor,
        partitionUpdateCodec,
        session);
  }
}