package de.superx.dbt.model;

import static org.junit.Assert.assertTrue;

import java.nio.file.Path;
import java.util.List;
import java.util.StringJoiner;

import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;

import de.superx.BaseDbTest;
import de.superx.dbt.DbtAction;
import de.superx.dbt.DbtRunRequest;
import de.superx.dbt.DbtRunResult;
import de.superx.dbt.DbtWrapper;
import de.superx.dbt.DbtExecutionState;
import de.superx.rest.EtlJobApi;
import de.superx.util.PathAndFileUtils;

public class DbtHookTests extends BaseDbTest {
	static Logger logger = LoggerFactory.getLogger(DbtHookTests.class);

    @Autowired
    EtlJobApi api;

    @Autowired
    DbtWrapper dbtWrapper;

    private JdbcTemplate jt;

    @Before
    public void setUp() {
        jt = new JdbcTemplate(dataSource);
    }

    /*
     * Bewerbernummern sollen mit dem pre_hook "remove_applicantnumber" aus der
     * dim_person_applicant gelöscht werden, wenn die Person kein Bewerber mehr ist.
     * Bewerber sollen aber weiter in dim_person_applicant erhalten bleiben.
     * */
    @Test
    public void testRemoveApplicantNumber() throws InterruptedException {
        // Bewerber hinzufügen
        String addPerson = "INSERT INTO staging.person "
                        + "(id, k_gender_id) "
                        + "VALUES(100, 1); ";

        String addApplicant = "INSERT INTO staging.applicant "
                        + "(applicantnumber, person_id) "
                        + "VALUES(3000, 100);";
        jt.execute(addPerson + addApplicant);


        // Bewerber nach dim_person_applicant inkrementell laden
        DbtRunRequest request = new DbtRunRequest(DbtAction.BUILD, "hisinone", "+dim_person_applicant");
        DbtRunResult result = dbtWrapper.execute(request);

        if (result.getState() != DbtExecutionState.SUCCESS) {
            List<String> errors = result.getErrorMessages();
            StringJoiner joiner = new StringJoiner("\n");
            for (String error : errors) {
                joiner.add(error);
            }
            Assert.fail(joiner.toString());
        }

        // Überprüfen, ob Bewerber in dim_person_applicant angekommen ist
        Integer person_id = jt.queryForObject("SELECT src_person_id "
                        + "FROM presentation.dim_person_applicant "
                        + "WHERE applicantnumber = '3000' AND src_person_id = 100;", Integer.class);
        assertTrue("Applicant added", person_id.intValue() == 100);

        // Bewerber aus dem staging löschen
        String deletePerson = "delete from staging.person where id = 100; ";
        String deleteApplicant = "delete from staging.applicant where applicantnumber = 3000; ";
        jt.execute(deletePerson + deleteApplicant);

        // Bewerbernummer von nicht mehr vorhandenen Bewerbern ersetzen lassen
        result = dbtWrapper.execute(request);
        assertTrue("DBT project run successfull", result.getState() == DbtExecutionState.SUCCESS);

        // Überprüfen, ob der Bewerber noch vorhanden ist und die Bewerbernummer ersetzt wurde
        person_id = jt.queryForObject("SELECT src_person_id FROM presentation.dim_person_applicant "
                        + "WHERE applicantnumber = 'n. v.' AND src_person_id = 100;", Integer.class);
        assertTrue("Applicantnumber removed", person_id.intValue() == 100);
    }

    @After
    public void cleanUp() {
        String deletePerson = "delete from staging.person where id = 100; ";
        String deleteApplicant = "delete from staging.applicant where applicantnumber = 3000; ";
        String deleteInCorePerson = "delete from core.core_person where src_person_id = 100; ";
        String deleteInPersonApplicant = "delete from presentation.dim_person_applicant where src_person_id = 100; ";
        String deleteInSnapshotPerson = "delete from snapshots.person_academicdegree_snapshot  where id = 100; ";

        jt.execute(deletePerson + deleteApplicant + deleteInPersonApplicant + deleteInCorePerson + deleteInSnapshotPerson);
    }

}