package geniusweb.actions;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;

import org.junit.Test;

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

import geniusweb.issuevalue.Bid;
import geniusweb.issuevalue.DiscreteValue;
import tudelft.utilities.junit.GeneralTests;

public class VotesWithValueTest extends GeneralTests<VotesWithValue> {
	private final ObjectMapper jackson = new ObjectMapper();
	private final String votestring = "{\"VotesWithValue\":{\"actor\":\"partyA\",\"votes\":[{\"VoteWithValue\":{\"actor\":\"partyA\",\"bid\":{\"issuevalues\":{\"is1\":\"val1\"}},\"minPower\":2,\"maxPower\":9,\"value\":30}},{\"VoteWithValue\":{\"actor\":\"partyA\",\"bid\":{\"issuevalues\":{\"is1\":\"val2\"}},\"minPower\":2,\"maxPower\":9,\"value\":70}}]}}";

	private PartyId partyA = new PartyId("partyA");
	private PartyId partyB = new PartyId("partyB");
	private Bid bid1 = new Bid("is1", new DiscreteValue("val1")),
			bid2 = new Bid("is1", new DiscreteValue("val2"));
	private VoteWithValue voteA1 = new VoteWithValue(partyA, bid1, 2, 9, 30);
	private VoteWithValue voteA2 = new VoteWithValue(partyA, bid2, 2, 9, 70);
	private VoteWithValue voteA1_100 = new VoteWithValue(partyA, bid1, 2, 9,
			100);
	private VoteWithValue voteA2_100 = new VoteWithValue(partyA, bid2, 2, 9,
			100);
	private VoteWithValue voteB1 = new VoteWithValue(partyB, bid1, 2, 9, 40);
	private VoteWithValue voteB2 = new VoteWithValue(partyB, bid2, 2, 9, 60);

	private VotesWithValue votes1 = new VotesWithValue(partyA,
			new HashSet<>(Arrays.asList(voteA1, voteA2)));
	private VotesWithValue votes1a = new VotesWithValue(partyA,
			new HashSet<>(Arrays.asList(voteA1, voteA2)));
	private VotesWithValue votes2 = new VotesWithValue(partyB,
			new HashSet<>(Arrays.asList(voteB1, voteB2)));

	@Override
	public List<List<VotesWithValue>> getGeneralTestData() {
		return Arrays.asList(Arrays.asList(votes1, votes1a),
				Arrays.asList(votes2));
	}

	@Override
	public List<String> getGeneralTestStrings() {
		return Arrays.asList(
				"Votes.*Vote.*partyA,Bid.*is1.*val1.*2.*Vote.*partyA,Bid.*is1.*val2.*2.*",
				"Votes.*Vote.*partyB,Bid.*is1.*val2.*2.*Vote.*partyB,Bid.*is1.*val1.*2.*");
	}

	@SuppressWarnings("unused")
	@Test(expected = IllegalArgumentException.class)
	public void testRejectVoteWithIncorrectParty() {
		new VotesWithValue(partyA, Collections.singleton(voteB1));
	}

	@Test
	public void serializeTest() throws JsonProcessingException {
		System.out.println(jackson.writeValueAsString(votes1));
		assertEquals(votestring, jackson.writeValueAsString(votes1));
	}

	@Test
	public void deserializeTest() throws IOException {
		Action act = jackson.readValue(votestring, Action.class);
		assertEquals(votes1, act);
	}

	@Test(expected = IllegalArgumentException.class)
	public void testWrongPartyName() {
		new VotesWithValue(partyA,
				new HashSet<>(Arrays.asList(voteB1, voteB2)));
	}

	@Test
	public void isExtendingTestExtraVote() {
		VotesWithValue otherVotes = new VotesWithValue(partyA,
				Collections.singleton(voteA1_100));
		assertTrue(votes1.isExtending(otherVotes));
	}

	@Test
	public void isExtendingTestMissing() {
		VotesWithValue otherVotes = new VotesWithValue(partyA,
				Collections.singleton(voteA1_100));
		assertFalse(otherVotes.isExtending(votes1));
	}

	@Test
	public void isExtendingIdenticalVotes() {
		assertTrue(votes1.isExtending(votes1));
	}

	@Test
	public void isReallyExtendingVotesMin() {
		VoteWithValue powervoteA1 = new VoteWithValue(partyA, bid1, 1, 9, 30);
		VotesWithValue powerVotes = new VotesWithValue(partyA,
				new HashSet<>(Arrays.asList(powervoteA1, voteA2)));
		assertTrue(powerVotes.isExtending(votes1));
	}

	@Test
	public void isReallyExtendingVotesMax() {
		VoteWithValue powervoteA1 = new VoteWithValue(partyA, bid1, 2, 10, 30);
		VotesWithValue powerVotes = new VotesWithValue(partyA,
				new HashSet<>(Arrays.asList(powervoteA1, voteA2)));
		assertTrue(powerVotes.isExtending(votes1));
	}

	@Test
	public void IsNarrowingOneVoteRemoved() {
		VotesWithValue narrowVotes = new VotesWithValue(partyA,
				Collections.singleton(voteA2_100));
		assertFalse(narrowVotes.isExtending(votes1));
	}

	@Test
	public void isNarrowingTestMoreMinPower() {
		VoteWithValue narrowVoteA1 = new VoteWithValue(partyA, bid1, 3, 9, 30);
		VotesWithValue narrowVotes = new VotesWithValue(partyA,
				new HashSet<>(Arrays.asList(narrowVoteA1, voteA2)));
		assertFalse(narrowVotes.isExtending(votes1));
		assertTrue(votes1.isExtending(narrowVotes));
	}

	@Test
	public void isNarrowingLessMaxPower() {
		VoteWithValue powervoteA1 = new VoteWithValue(partyA, bid1, 2, 8, 30);
		VotesWithValue narrowVotes = new VotesWithValue(partyA,
				new HashSet<>(Arrays.asList(powervoteA1, voteA2)));
		assertFalse(narrowVotes.isExtending(votes1));
		assertTrue(votes1.isExtending(narrowVotes));
	}

	@Test(expected = IllegalArgumentException.class)
	public void testDuplicateBidsNotAllowed() {
		VoteWithValue voteA1similar = new VoteWithValue(partyA, bid1, 3, 9, 30);
		VotesWithValue votes = new VotesWithValue(partyA,
				new HashSet<>(Arrays.asList(voteA1, voteA1similar)));
	}
}