package eu.dnetlib.dhp.oa.graph.dump.eosc;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.HashMap;
import java.util.Optional;

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.Assertions;
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.eosc.model.Organization;
import eu.dnetlib.dhp.eosc.model.Result;

/**
 * @author miriam.baglioni
 * @Date 25/10/23
 */
public class ExtendAffiliationTest {

	private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();

	private static SparkSession spark;

	private static Path workingDir;

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

	private static HashMap<String, String> map = new HashMap<>();

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

		SparkConf conf = new SparkConf();
		conf.setAppName(ExtendAffiliationTest.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(ExtendAffiliationTest.class.getSimpleName())
			.config(conf)
			.getOrCreate();
	}

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

	@Test
	public void selectEoscResults() throws Exception {

		final String sourcePath = getClass()
			.getResource("/eu/dnetlib/dhp/oa/graph/dump/eosc/input")
			.getPath();

		final String workingPath = getClass()
			.getResource("/eu/dnetlib/dhp/oa/graph/dump/eosc/working/")
			.getPath();
		final String mdp = getClass()
			.getResource("/eu/dnetlib/dhp/oa/graph/dump/eosc/working/masterduplicate")
			.getPath();

		ExtendEoscResultWithOrganizationStep2.main(new String[] {
			"-isSparkSessionManaged", Boolean.FALSE.toString(),
			"-outputPath", workingDir.toString() + "/",
			"-sourcePath", sourcePath,
			"-resultType", "publication",
			"-workingPath", workingPath
		});

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

		JavaRDD<Organization> tmp = sc
			.textFile(workingDir.toString() + "/organization")
			.map(item -> OBJECT_MAPPER.readValue(item, Organization.class));

		System.out.println(tmp.count());

//        Assertions.assertEquals(3, tmp.count());
//
//        Assertions
//                .assertEquals(
//                        0,
//                        tmp
//                                .filter(r -> Optional.ofNullable(r.getAffiliation()).isPresent() && r.getAffiliation().size() > 0)
//                                .count());
//
//        tmp.foreach(r -> System.out.println(new ObjectMapper().writeValueAsString(r)));

	}

}