/*
 * 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.hudi.io.storage;

import org.apache.hudi.common.bloom.BloomFilter;
import org.apache.hudi.common.config.HoodieConfig;
import org.apache.hudi.common.config.HoodieStorageConfig;
import org.apache.hudi.common.engine.TaskContextSupplier;
import org.apache.hudi.common.schema.HoodieSchema;
import org.apache.hudi.common.table.HoodieTableConfig;
import org.apache.hudi.common.util.Option;
import org.apache.hudi.common.util.collection.Pair;
import org.apache.hudi.exception.HoodieIOException;
import org.apache.hudi.io.HoodieParquetConfigInjector;
import org.apache.hudi.io.storage.row.HoodieRowParquetConfig;
import org.apache.hudi.io.storage.row.HoodieRowParquetWriteSupport;
import org.apache.hudi.storage.HoodieStorage;
import org.apache.hudi.storage.StorageConfiguration;
import org.apache.hudi.storage.StoragePath;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.parquet.hadoop.metadata.CompressionCodecName;
import org.apache.spark.sql.HoodieInternalRowUtils;
import org.apache.spark.sql.types.StructType;

import java.io.IOException;
import java.io.OutputStream;

public class HoodieSparkFileWriterFactory extends HoodieFileWriterFactory {

  public HoodieSparkFileWriterFactory(HoodieStorage storage) {
    super(storage);
  }

  @Override
  protected HoodieFileWriter newParquetFileWriter(
      String instantTime, StoragePath path, HoodieConfig config, HoodieSchema schema,
      TaskContextSupplier taskContextSupplier) throws IOException {
    boolean populateMetaFields = config.getBooleanOrDefault(HoodieTableConfig.POPULATE_META_FIELDS);

    Pair<StorageConfiguration, HoodieConfig> injectedConfigs = HoodieParquetConfigInjector.applyConfigInjector(path, storage.getConf(), config);
    StorageConfiguration storageConfiguration = injectedConfigs.getLeft();
    HoodieConfig hoodieConfig = injectedConfigs.getRight();

    String compressionCodecName = hoodieConfig.getStringOrDefault(HoodieStorageConfig.PARQUET_COMPRESSION_CODEC_NAME);
    // Support PARQUET_COMPRESSION_CODEC_NAME is ""
    if (compressionCodecName.isEmpty()) {
      compressionCodecName = null;
    }

    HoodieRowParquetWriteSupport writeSupport = getHoodieRowParquetWriteSupport(storageConfiguration, schema,
        hoodieConfig, enableBloomFilter(populateMetaFields, hoodieConfig));
    HoodieRowParquetConfig parquetConfig = new HoodieRowParquetConfig(writeSupport,
        CompressionCodecName.fromConf(compressionCodecName),
        hoodieConfig.getIntOrDefault(HoodieStorageConfig.PARQUET_BLOCK_SIZE),
        hoodieConfig.getIntOrDefault(HoodieStorageConfig.PARQUET_PAGE_SIZE),
        hoodieConfig.getLongOrDefault(HoodieStorageConfig.PARQUET_MAX_FILE_SIZE),
        (Configuration) storageConfiguration.unwrapAs(Configuration.class),
        hoodieConfig.getDoubleOrDefault(HoodieStorageConfig.PARQUET_COMPRESSION_RATIO_FRACTION),
        hoodieConfig.getBooleanOrDefault(HoodieStorageConfig.PARQUET_DICTIONARY_ENABLED));
    parquetConfig.getHadoopConf().addResource(writeSupport.getHadoopConf());

    return new HoodieSparkParquetWriter(path, parquetConfig, instantTime, taskContextSupplier, populateMetaFields);
  }

  protected HoodieFileWriter newParquetFileWriter(OutputStream outputStream, HoodieConfig config,
                                                  HoodieSchema schema) throws IOException {
    boolean enableBloomFilter = false;
    HoodieRowParquetWriteSupport writeSupport = getHoodieRowParquetWriteSupport(storage.getConf(), schema, config, enableBloomFilter);
    String compressionCodecName = config.getStringOrDefault(HoodieStorageConfig.PARQUET_COMPRESSION_CODEC_NAME);
    // Support PARQUET_COMPRESSION_CODEC_NAME is ""
    if (compressionCodecName.isEmpty()) {
      compressionCodecName = null;
    }
    HoodieRowParquetConfig parquetConfig = new HoodieRowParquetConfig(writeSupport,
        CompressionCodecName.fromConf(compressionCodecName),
        config.getInt(HoodieStorageConfig.PARQUET_BLOCK_SIZE),
        config.getInt(HoodieStorageConfig.PARQUET_PAGE_SIZE),
        config.getLong(HoodieStorageConfig.PARQUET_MAX_FILE_SIZE),
        writeSupport.getHadoopConf(), config.getDouble(HoodieStorageConfig.PARQUET_COMPRESSION_RATIO_FRACTION),
        config.getBooleanOrDefault(HoodieStorageConfig.PARQUET_DICTIONARY_ENABLED));
    parquetConfig.getHadoopConf().addResource(writeSupport.getHadoopConf());
    return new HoodieSparkParquetStreamWriter(new FSDataOutputStream(outputStream, null), parquetConfig);
  }

  @Override
  protected HoodieFileWriter newHFileFileWriter(String instantTime, StoragePath path, HoodieConfig config, HoodieSchema schema,
                                                TaskContextSupplier taskContextSupplier) throws IOException {
    throw new HoodieIOException("Not support write to HFile");
  }

  @Override
  protected HoodieFileWriter newOrcFileWriter(String instantTime, StoragePath path, HoodieConfig config, HoodieSchema schema,
                                              TaskContextSupplier taskContextSupplier) throws IOException {
    throw new HoodieIOException("Not support write to Orc file");
  }

  @Override
  protected HoodieFileWriter newLanceFileWriter(String instantTime, StoragePath path, HoodieConfig config, HoodieSchema schema,
                                                TaskContextSupplier taskContextSupplier) throws IOException {
    HoodieSparkLanceWriter.validateNoVariantColumns(schema);
    boolean populateMetaFields = config.getBooleanOrDefault(HoodieTableConfig.POPULATE_META_FIELDS);
    StructType structType = HoodieInternalRowUtils.getCachedSchema(schema);
    boolean enableBloomFilter = enableBloomFilter(populateMetaFields, config);
    Option<BloomFilter> bloomFilter = enableBloomFilter ? Option.of(createBloomFilter(config)) : Option.empty();
    long maxFileSize = config.getLongOrDefault(HoodieStorageConfig.LANCE_MAX_FILE_SIZE);
    long allocatorSize = config.getLongOrDefault(HoodieStorageConfig.LANCE_WRITE_ALLOCATOR_SIZE_BYTES);
    long flushByteWatermark = config.getLongOrDefault(HoodieStorageConfig.LANCE_WRITE_FLUSH_BYTE_WATERMARK);

    return HoodieSparkLanceWriter.builder()
        .file(path)
        .sparkSchema(structType)
        .instantTime(instantTime)
        .taskContextSupplier(taskContextSupplier)
        .storage(storage)
        .populateMetaFields(populateMetaFields)
        .bloomFilterOpt(bloomFilter)
        .maxFileSize(maxFileSize)
        .allocatorSize(allocatorSize)
        .flushByteWatermark(flushByteWatermark)
        .build();
  }

  private static HoodieRowParquetWriteSupport getHoodieRowParquetWriteSupport(StorageConfiguration<?> conf, HoodieSchema schema,
                                                                              HoodieConfig config, boolean enableBloomFilter) {
    Option<BloomFilter> filter = enableBloomFilter ? Option.of(createBloomFilter(config)) : Option.empty();
    StructType structType = HoodieInternalRowUtils.getCachedSchema(schema);
    return HoodieRowParquetWriteSupport.getHoodieRowParquetWriteSupport(conf.unwrapAs(Configuration.class), structType, filter, config);
  }
}
