package geniusweb.protocol.session.mopac;

import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.io.IOException;
import java.net.URISyntaxException;
import java.util.Arrays;
import java.util.List;

import org.junit.Before;
import org.junit.Test;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;

import geniusweb.deadline.Deadline;
import geniusweb.deadline.DeadlineRounds;
import geniusweb.deadline.DeadlineTime;
import geniusweb.protocol.session.SessionSettings;
import geniusweb.protocol.session.TeamInfo;
import geniusweb.references.Parameters;
import geniusweb.references.PartyRef;
import geniusweb.references.PartyWithParameters;
import geniusweb.references.PartyWithProfile;
import geniusweb.references.ProfileRef;
import geniusweb.voting.VotingEvaluator;
import geniusweb.voting.votingevaluators.LargestAgreement;
import tudelft.utilities.junit.GeneralTests;
import tudelft.utilities.logging.ReportToLogger;

public class MOPACSettingsTest extends GeneralTests<MOPACSettings> {

	private final ObjectMapper jackson = new ObjectMapper();
	private final Parameters noparams = new Parameters();
	private TeamInfo partyprof1 = mockParty("party1", noparams);
	private TeamInfo partyprof2 = mockParty("party2", noparams);
	private TeamInfo partyprof3 = mockParty("party3", noparams);
	private List<TeamInfo> participants2 = Arrays.asList(partyprof1,
			partyprof2);
	private List<TeamInfo> participants3 = Arrays.asList(partyprof1, partyprof2,
			partyprof3);

	private final VotingEvaluator ve = new LargestAgreement();

	private DeadlineTime deadline = mock(DeadlineTime.class);
	private Deadline deadline2 = mock(Deadline.class);
	private MOPACSettings settings1 = new MOPACSettings(participants2, deadline,
			ve);
	private MOPACSettings settings1a = new MOPACSettings(participants2,
			deadline, ve);
	private MOPACSettings settings2 = new MOPACSettings(participants3, deadline,
			ve);
	private MOPACSettings settings3 = new MOPACSettings(participants2,
			deadline2, ve);

	private MOPACSettings sersettings;
	private final String serialized = "{\"MOPACSettings\":{\"participants\":[{\"TeamInfo\":{\"parties\":[{\"party\":{\"partyref\":\"http://party1\",\"parameters\":{}},\"profile\":\"http://profile1\"}]}},{\"TeamInfo\":{\"parties\":[{\"party\":{\"partyref\":\"http://party2\",\"parameters\":{}},\"profile\":\"http://profile2\"}]}}],\"deadline\":{\"DeadlineTime\":{\"durationms\":100}},\"votingevaluator\":{\"LargestAgreement\":{}}}}";
	private List<TeamInfo> participants;
	private PartyWithProfile partywithprof1;
	private PartyWithProfile partywithprof2;

	private TeamInfo mockParty(String partyname, Parameters params) {
		TeamInfo team = mock(TeamInfo.class);
		when(team.getSize()).thenReturn(1);
		PartyWithParameters pwithp = mock(PartyWithParameters.class);
		when(team.getParties()).thenReturn(Arrays
				.asList(new PartyWithProfile(pwithp, mock(ProfileRef.class))));
		when(team.toString()).thenReturn(partyname);
		when(pwithp.toString()).thenReturn(partyname);
		when(pwithp.getParameters()).thenReturn(params);
		return team;
	}

	@Before
	public void before() throws URISyntaxException {

		when(deadline.getDuration()).thenReturn(1000l);
		when(deadline.toString()).thenReturn("deadline");
		when(deadline2.toString()).thenReturn("deadline2");

		// SERIALIZABLE version with REAL objects. Still no workaround for
		// this...
		PartyWithParameters party1 = new PartyWithParameters(
				new PartyRef("http://party1"), new Parameters());
		ProfileRef profile1 = new ProfileRef("http://profile1");
		PartyWithParameters party2 = new PartyWithParameters(
				new PartyRef("http://party2"), new Parameters());
		ProfileRef profile2 = new ProfileRef("http://profile2");
		partywithprof1 = new PartyWithProfile(party1, profile1);
		partywithprof2 = new PartyWithProfile(party2, profile2);
		participants = Arrays.asList(
				new TeamInfo(Arrays.asList(partywithprof1)),
				new TeamInfo(Arrays.asList(partywithprof2)));

		Deadline deadlinetime = new DeadlineTime(100);
		sersettings = new MOPACSettings(participants, deadlinetime, ve);

	}

	@Override
	public List<List<MOPACSettings>> getGeneralTestData() {
		return Arrays.asList(Arrays.asList(settings1, settings1a),
				Arrays.asList(settings2), Arrays.asList(settings3));
	}

	@Override
	public List<String> getGeneralTestStrings() {
		return Arrays.asList(
				"MOPACSettings.*party1.*party2.*deadline.*LargestAgreement.*",
				"MOPACSettings.*party1.*party2.*deadline.*LargestAgreement.*",
				"MOPACSettings.*party1.*party2.*deadline2.*LargestAgreement.*");
	}

	@Test
	public void getProtocolTest() {
		assertEquals("MOPAC", settings1.getProtocol(new ReportToLogger("test"))
				.getRef().getURI().toString());
	}

	@Test(expected = IllegalArgumentException.class)
	public void constructorNoDeadlineTest() {
		new MOPACSettings(participants2, null, ve);
	}

	@Test
	public void testMaxRuntime() {
		when(deadline.getDuration()).thenReturn(234l);
		assertEquals((Double) .234d, settings1.getMaxRunTime());
	}

	@Test
	public void testMaxRuntimeRounds() {
		deadline = mock(DeadlineRounds.class);
		when(deadline.getDuration()).thenReturn(12000l);

		MOPACSettings settings = new MOPACSettings(participants2, deadline, ve);

		assertEquals((Double) 12d, settings.getMaxRunTime());
	}

	@Test
	public void testDeserialize() throws IOException {
		SessionSettings obj = jackson.readValue(serialized,
				SessionSettings.class);
		System.out.println(obj);
		assertEquals(sersettings, obj);
	}

	@Test
	public void testSerialize()
			throws JsonProcessingException, URISyntaxException {

		String string = jackson.writeValueAsString(sersettings);
		System.out.println(string);
		assertEquals(serialized, string);
	}

	@Test
	public void testWith() {
		MOPACSettings saop = new MOPACSettings(participants2, deadline, ve);
		SessionSettings saop2 = saop.with(partyprof3);
		assertEquals(3, saop2.getTeams().size());
	}

	@Test
	public void testGetAllParties() {
		assertEquals(Arrays.asList(partywithprof1, partywithprof2),
				sersettings.getAllParties());
	}

}