package eu.dnetlib.dhp.resulttocommunityfromproject;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;

import org.apache.commons.io.FileUtils;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaRDD;
import org.apache.spark.api.java.JavaSparkContext;
import org.apache.spark.sql.SparkSession;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.fasterxml.jackson.databind.ObjectMapper;

import eu.dnetlib.dhp.bulktag.BulkTagJobTest;
import eu.dnetlib.dhp.resulttocommunityfromorganization.ResultCommunityList;

/**
 * @author miriam.baglioni
 * @Date 13/10/23
 */
public class PrepareAssocTest {

	private static SparkSession spark;

	private static Path workingDir;

	private static final Logger log = LoggerFactory.getLogger(PrepareAssocTest.class);

	@BeforeAll
	public static void beforeAll() throws IOException {
		workingDir = Files.createTempDirectory(BulkTagJobTest.class.getSimpleName());
		log.info("using work dir {}", workingDir);

		SparkConf conf = new SparkConf();
		conf.setAppName(BulkTagJobTest.class.getSimpleName());

		conf.setMaster("local[*]");
		conf.set("spark.driver.host", "localhost");
		conf.set("hive.metastore.local", "true");
		conf.set("spark.ui.enabled", "false");
		conf.set("spark.sql.warehouse.dir", workingDir.toString());
		conf.set("hive.metastore.warehouse.dir", workingDir.resolve("warehouse").toString());

		spark = SparkSession
			.builder()
			.appName(PrepareAssocTest.class.getSimpleName())
			.config(conf)
			.getOrCreate();
	}

	@AfterAll
	public static void afterAll() throws IOException {
		FileUtils.deleteDirectory(workingDir.toFile());
		spark.stop();
	}

	@Test
	void test1() throws Exception {

		PrepareResultCommunitySet
			.main(
				new String[] {

					"-isSparkSessionManaged", Boolean.FALSE.toString(),
					"-sourcePath",
					getClass().getResource("/eu/dnetlib/dhp/resulttocommunityfromproject/relation/").getPath(),
					"-outputPath", workingDir.toString() + "/prepared",
					"-production", Boolean.TRUE.toString(),
					"-hive_metastore_uris", ""
				});

		final JavaSparkContext sc = JavaSparkContext.fromSparkContext(spark.sparkContext());

		JavaRDD<ResultProjectList> tmp = sc
			.textFile(workingDir.toString() + "/prepared")
			.map(item -> new ObjectMapper().readValue(item, ResultProjectList.class));

		tmp.foreach(r -> System.out.println(new ObjectMapper().writeValueAsString(r)));
	}

}