package eu.dnetlib.dhp.oa.graph.clean;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import eu.dnetlib.dhp.oa.graph.dump.Constants;
import eu.dnetlib.dhp.oa.graph.dump.DumpJobTest;
import eu.dnetlib.dhp.oa.graph.dump.DumpProducts;
import eu.dnetlib.dhp.oa.graph.dump.community.CommunityMap;
import eu.dnetlib.dhp.schema.common.ModelConstants;
import eu.dnetlib.dhp.schema.dump.oaf.Instance;
import eu.dnetlib.dhp.schema.dump.oaf.OpenAccessRoute;
import eu.dnetlib.dhp.schema.dump.oaf.graph.GraphResult;
import eu.dnetlib.dhp.schema.oaf.Publication;
import eu.dnetlib.dhp.schema.oaf.Software;
import eu.dnetlib.dhp.schema.oaf.StructuredProperty;
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.api.java.function.MapFunction;
import org.apache.spark.sql.Encoders;
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 java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import java.util.Locale;

public class CleanContextTest {

    private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();

    private static SparkSession spark;

    private static Path workingDir;

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

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

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

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

    @Test
    public void testResultClean() throws Exception {
        final String sourcePath = getClass()
                .getResource("/eu/dnetlib/dhp/oa/graph/clean/publication_clean_context.json")
                .getPath();
        final String prefix = "gcube ";


        spark.read().textFile(sourcePath).map((MapFunction<String, Publication>)  r -> OBJECT_MAPPER.readValue(r, Publication.class), Encoders.bean(Publication.class))
                        .write().json(workingDir.toString() + "/publication");


        CleanContextSparkJob.main(new String[] {
                        "--isSparkSessionManaged", Boolean.FALSE.toString(),
                        "--inputPath", workingDir.toString() + "/publication",
                        "-graphTableClassName", Publication.class.getCanonicalName(),
                        "-workingPath", workingDir.toString() + "/working",
                "-contextId","sobigdata",
                "-verifyParam","gCube "
                });

        final JavaSparkContext sc = JavaSparkContext.fromSparkContext(spark.sparkContext());
        JavaRDD<Publication> tmp = sc
                .textFile(workingDir.toString() + "/publication")
                .map(item -> OBJECT_MAPPER.readValue(item, Publication.class));

        Assertions.assertEquals(7, tmp.count());

        //original result with sobigdata context and gcube as starting string in the main title for the publication
        Assertions.assertEquals(0,
                tmp.filter(p->p.getId().equals("50|DansKnawCris::0224aae28af558f21768dbc6439c7a95")).collect().get(0).getContext().size());

        //original result with sobigdata context without gcube as starting string in the main title for the publication
        Assertions.assertEquals(1,
                tmp.filter(p->p.getId().equals("50|DansKnawCris::20c414a3b1c742d5dd3851f1b67df2d9")).collect().get(0).getContext().size());
        Assertions.assertEquals("sobigdata::projects::2",tmp.filter(p->p.getId().equals("50|DansKnawCris::20c414a3b1c742d5dd3851f1b67df2d9")).collect().get(0).getContext().get(0).getId() );

        //original result with sobigdata context with gcube as starting string in the subtitle
        Assertions.assertEquals(1,
                tmp.filter(p->p.getId().equals("50|DansKnawCris::3c81248c335f0aa07e06817ece6fa6af")).collect().get(0).getContext().size());
        Assertions.assertEquals("sobigdata::projects::2",tmp.filter(p->p.getId().equals("50|DansKnawCris::3c81248c335f0aa07e06817ece6fa6af")).collect().get(0).getContext().get(0).getId() );
        List<StructuredProperty> titles = tmp.filter(p -> p.getId().equals("50|DansKnawCris::3c81248c335f0aa07e06817ece6fa6af")).collect().get(0).getTitle();
        Assertions.assertEquals(1, titles.size());
        Assertions.assertTrue(titles.get(0).getValue().toLowerCase().startsWith(prefix) );
        Assertions.assertEquals("subtitle", titles.get(0).getQualifier().getClassid());

        //original result with sobigdata context with gcube not as starting string in the main title
        Assertions.assertEquals(1,
                tmp.filter(p->p.getId().equals("50|DansKnawCris::3c9f068ddc930360bec6925488a9a97f")).collect().get(0).getContext().size());
        Assertions.assertEquals("sobigdata::projects::1",tmp.filter(p->p.getId().equals("50|DansKnawCris::3c9f068ddc930360bec6925488a9a97f")).collect().get(0).getContext().get(0).getId() );
        titles = tmp.filter(p -> p.getId().equals("50|DansKnawCris::3c9f068ddc930360bec6925488a9a97f")).collect().get(0).getTitle();
        Assertions.assertEquals(1, titles.size());
        Assertions.assertFalse(titles.get(0).getValue().toLowerCase().startsWith(prefix) );
        Assertions.assertTrue(titles.get(0).getValue().toLowerCase().contains(prefix.trim()) );
        Assertions.assertEquals("main title", titles.get(0).getQualifier().getClassid());

        //original result with sobigdata in context and also other contexts with gcube as starting string for the main title
        Assertions.assertEquals(1,
                tmp.filter(p->p.getId().equals("50|DansKnawCris::4669a378a73661417182c208e6fdab53")).collect().get(0).getContext().size());
        Assertions.assertEquals("dh-ch",tmp.filter(p->p.getId().equals("50|DansKnawCris::4669a378a73661417182c208e6fdab53")).collect().get(0).getContext().get(0).getId() );
        titles = tmp.filter(p -> p.getId().equals("50|DansKnawCris::4669a378a73661417182c208e6fdab53")).collect().get(0).getTitle();
        Assertions.assertEquals(1, titles.size());
        Assertions.assertTrue(titles.get(0).getValue().toLowerCase().startsWith(prefix) );
        Assertions.assertEquals("main title", titles.get(0).getQualifier().getClassid());

        //original result with multiple main title one of which whith gcube as starting string and with 2 contextes
        Assertions.assertEquals(1,
                tmp.filter(p->p.getId().equals("50|DansKnawCris::4a9152e80f860eab99072e921d74a0ff")).collect().get(0).getContext().size());
        Assertions.assertEquals("dh-ch",tmp.filter(p->p.getId().equals("50|DansKnawCris::4a9152e80f860eab99072e921d74a0ff")).collect().get(0).getContext().get(0).getId() );
        titles = tmp.filter(p -> p.getId().equals("50|DansKnawCris::4a9152e80f860eab99072e921d74a0ff")).collect().get(0).getTitle();
        Assertions.assertEquals(2, titles.size());
        Assertions.assertTrue(titles.stream().anyMatch(t -> t.getQualifier().getClassid().equals("main title") && t.getValue().toLowerCase().startsWith(prefix)) );


        //original result without sobigdata in context with gcube as starting string for the main title
        Assertions.assertEquals(1,
                tmp.filter(p->p.getId().equals("50|dedup_wf_001::01e6a28565ca01376b7548e530c6f6e8")).collect().get(0).getContext().size());
        Assertions.assertEquals("dh-ch",tmp.filter(p->p.getId().equals("50|dedup_wf_001::01e6a28565ca01376b7548e530c6f6e8")).collect().get(0).getContext().get(0).getId() );
        titles = tmp.filter(p -> p.getId().equals("50|dedup_wf_001::01e6a28565ca01376b7548e530c6f6e8")).collect().get(0).getTitle();
        Assertions.assertEquals(2, titles.size());

        Assertions.assertTrue(titles.stream().anyMatch(t -> t.getQualifier().getClassid().equals("main title") && t.getValue().toLowerCase().startsWith(prefix)));


    }
}