package eu.dnetlib.dedup;

import com.fasterxml.jackson.databind.ObjectMapper;
import eu.dnetlib.dhp.application.ArgumentApplicationParser;
import eu.dnetlib.dhp.schema.oaf.OafEntity;
import eu.dnetlib.pace.config.DedupConfig;
import org.apache.commons.io.IOUtils;
import org.apache.spark.api.java.JavaRDD;
import org.apache.spark.api.java.JavaSparkContext;
import org.apache.spark.sql.SparkSession;

public class SparkCreateDedupRecord {

    public static void main(String[] args) throws Exception {
        final ArgumentApplicationParser parser = new ArgumentApplicationParser(IOUtils.toString(SparkCreateDedupRecord.class.getResourceAsStream("/eu/dnetlib/dhp/dedup/dedupRecord_parameters.json")));
        parser.parseArgument(args);
        final SparkSession spark = SparkSession
                .builder()
                .appName(SparkCreateDedupRecord.class.getSimpleName())
                .master(parser.get("master"))
                .getOrCreate();

        final JavaSparkContext sc = new JavaSparkContext(spark.sparkContext());
        final String sourcePath = parser.get("sourcePath");
        final String entity = parser.get("entity");
        final String dedupPath = parser.get("dedupPath");
//        final DedupConfig dedupConf = DedupConfig.load(IOUtils.toString(SparkCreateDedupRecord.class.getResourceAsStream("/eu/dnetlib/dhp/dedup/conf/org.curr.conf2.json")));
        final DedupConfig dedupConf = DedupConfig.load(parser.get("dedupConf"));

        final JavaRDD<OafEntity> dedupRecord = DedupRecordFactory.createDedupRecord(sc, spark, DedupUtility.createMergeRelPath(dedupPath,entity), DedupUtility.createEntityPath(sourcePath,entity), OafEntityType.valueOf(entity), dedupConf);
        dedupRecord.map(r-> {
            ObjectMapper mapper = new ObjectMapper();
            return mapper.writeValueAsString(r);
        }).saveAsTextFile(dedupPath+"/"+entity+"_dedup_record_json");


    }

}