/*
 * 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.
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package org.apache.carbondata.spark.testsuite.dataload

import java.io.{File, FilenameFilter}

import scala.collection.JavaConverters._

import org.apache.hadoop.conf.Configuration
import org.apache.spark.sql.test.util.QueryTest
import org.scalatest.BeforeAndAfterAll

import org.apache.carbondata.core.constants.CarbonCommonConstants
import org.apache.carbondata.core.datastore.impl.FileFactory
import org.apache.carbondata.core.index.Segment
import org.apache.carbondata.core.metadata.{CarbonMetadata, SegmentFileStore}
import org.apache.carbondata.core.reader.CarbonIndexFileReader
import org.apache.carbondata.core.util.CarbonProperties
import org.apache.carbondata.core.util.path.CarbonTablePath

class TestDataLoadWithFileName extends QueryTest with BeforeAndAfterAll {
  var originVersion = ""

  override def beforeAll() {
    originVersion =
      CarbonProperties.getInstance.getProperty(CarbonCommonConstants.CARBON_DATA_FILE_VERSION)
  }

  test("Check the file_name in carbonindex with v3 format") {
    CarbonProperties.getInstance.addProperty(CarbonCommonConstants.CARBON_DATA_FILE_VERSION, "3")
    sql("DROP TABLE IF EXISTS test_table_v3")
    sql(
      """
        | CREATE TABLE test_table_v3(id int, name string, city string, age int)
        | STORED AS carbondata
      """.stripMargin)
    val testData = s"$resourcesPath/sample.csv"
    sql(s"LOAD DATA LOCAL INPATH '$testData' into table test_table_v3")
    val indexReader = new CarbonIndexFileReader()
    val carbonTable = CarbonMetadata.getInstance().getCarbonTable("default", "test_table_v3")
    val segmentDir = CarbonTablePath.getSegmentPath(carbonTable.getTablePath, "0")

    val carbonIndexPaths = if (FileFactory.isFileExist(segmentDir)) {
      new File(segmentDir)
        .listFiles(new FilenameFilter {
          override def accept(dir: File, name: String): Boolean = {
            name.endsWith(CarbonTablePath.getCarbonIndexExtension)
          }
        })
    } else {
      val segment = Segment.getSegment("0",
        carbonTable.getTablePath,
        carbonTable.getTableStatusVersion)
      val store = new SegmentFileStore(carbonTable.getTablePath, segment.getSegmentFileName)
      store.readIndexFiles(new Configuration(false))
      store.getIndexCarbonFiles.asScala.map(f => new File(f.getAbsolutePath)).toArray
    }
    for (carbonIndexPath <- carbonIndexPaths) {
      indexReader.openThriftReader(carbonIndexPath.getCanonicalPath)
      assert(indexReader.readIndexHeader().getVersion === 3)
      while (indexReader.hasNext) {
        val readBlockIndexInfo = indexReader.readBlockIndexInfo()
        assert(readBlockIndexInfo.getFile_name.startsWith(CarbonTablePath.getCarbonDataPrefix))
        assert(readBlockIndexInfo.getFile_name.endsWith(CarbonTablePath.getCarbonDataExtension))
      }
    }
  }

  override protected def afterAll() {
    sql("DROP TABLE IF EXISTS test_table_v1")
    sql("DROP TABLE IF EXISTS test_table_v2")
    sql("DROP TABLE IF EXISTS test_table_v3")
    CarbonProperties.getInstance.addProperty(CarbonCommonConstants.CARBON_DATA_FILE_VERSION,
      originVersion)
  }
}
