package eu.dnetlib.dhp.schema.oaf.utils;

import static org.junit.jupiter.api.Assertions.*;

import java.io.IOException;

import org.apache.commons.io.IOUtils;
import org.junit.jupiter.api.Test;

import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;

import eu.dnetlib.dhp.schema.oaf.Publication;
import eu.dnetlib.dhp.utils.DHPUtils;

public class IdentifierFactoryTest {

	private static ObjectMapper OBJECT_MAPPER = new ObjectMapper()
		.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);

	@Test
	public void testCreateIdentifierForPublication() throws IOException {

		verifyIdentifier("publication_doi.json", "50|doi_________::" + DHPUtils.md5("10.1016/j.cmet.2011.03.013"));
		verifyIdentifier("publication_pmc.json", "50|pmc_________::" + DHPUtils.md5("21459329"));
		verifyIdentifier(
			"publication_urn.json",
			"50|urn_________::" + DHPUtils.md5("urn:nbn:nl:ui:29-f3ed5f9e-edf6-457e-8848-61b58a4075e2"));

		final String defaultID = "50|DansKnawCris::0829b5191605bdbea36d6502b8c1ce1f";
		verifyIdentifier("publication_3.json", defaultID);
		verifyIdentifier("publication_4.json", defaultID);
		verifyIdentifier("publication_5.json", defaultID);
	}

	protected void verifyIdentifier(String filename, String expectedID) throws IOException {
		final String json = IOUtils.toString(getClass().getResourceAsStream(filename));
		final Publication pub = OBJECT_MAPPER.readValue(json, Publication.class);

		String id = IdentifierFactory.createIdentifier(pub);

		assertNotNull(id);
		assertEquals(expectedID, id);
	}

}