/*
 * 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.xtable.paimon;

import java.io.IOException;

import org.apache.paimon.Snapshot;
import org.apache.paimon.catalog.CatalogContext;
import org.apache.paimon.fs.FileIO;
import org.apache.paimon.fs.Path;
import org.apache.paimon.options.Options;
import org.apache.paimon.table.FileStoreTable;
import org.apache.paimon.table.FileStoreTableFactory;

import org.apache.xtable.conversion.ConversionSourceProvider;
import org.apache.xtable.conversion.SourceTable;
import org.apache.xtable.exception.ReadException;
import org.apache.xtable.spi.extractor.ConversionSource;

public class PaimonConversionSourceProvider extends ConversionSourceProvider<Snapshot> {
  @Override
  public ConversionSource<Snapshot> getConversionSourceInstance(SourceTable sourceTableConfig) {
    try {
      Options catalogOptions = new Options();
      CatalogContext context = CatalogContext.create(catalogOptions, hadoopConf);

      Path path = new Path(sourceTableConfig.getDataPath());
      FileIO fileIO = FileIO.get(path, context);
      FileStoreTable paimonTable = FileStoreTableFactory.create(fileIO, path);

      return new PaimonConversionSource(paimonTable);
    } catch (IOException e) {
      throw new ReadException("Failed to read Paimon table from file system", e);
    }
  }
}
