package com.pubnub.api;

import org.json.JSONArray;

import org.json.JSONException;

import org.json.JSONObject;

import org.junit.Before;

import org.junit.BeforeClass;

import org.junit.Rule;

import org.junit.Test;

import org.junit.rules.ExpectedException;

import java.util.UUID;

import java.util.concurrent.CountDownLatch;

import java.util.concurrent.TimeUnit;

import static com.pubnub.api.matchers.JSONAssert.assertJSONArrayHas;

import static org.junit.Assert.assertEquals;

public class UnsubscribeTest {

Pubnub pubnub;

Pubnub pubnub2;

String channel;

String group;

String random;

@Rule

public ExpectedException thrown = ExpectedException.none();

@BeforeClass

public static void cleanup() throws JSONException, InterruptedException {

TestHelper.cleanup();

}

@Before

public void setUp() {

pubnub = new Pubnub("demo", "demo");

pubnub.setCacheBusting(false);

pubnub.setUUID("client#1");

pubnub2 = new Pubnub("demo", "demo");

pubnub2.setCacheBusting(false);

pubnub2.setUUID("client#2");

random = UUID.randomUUID().toString().substring(0, 8);

channel = "ch6-" + random;

group = "jtest-" + random;

}

@Test

public void testUnsubscribe()

throws InterruptedException, PubnubException {

CountDownLatch latch = new CountDownLatch(1);

CountDownLatch latch2 = new CountDownLatch(1);

TestHelper.PresenceCallback presenceCb = new TestHelper.PresenceCallback(latch);

pubnub.presence(channel, presenceCb);

pubnub2.subscribe(channel, new TestHelper.SimpleCallback());

latch.await(10, TimeUnit.SECONDS);

assertEquals(pubnub2.getUUID(), presenceCb.getUUID());

assertEquals("join", presenceCb.getAction());

presenceCb.setLatch(latch2);

pubnub2.unsubscribe(channel);

latch2.await(10, TimeUnit.SECONDS);

assertEquals(pubnub2.getUUID(), presenceCb.getUUID());

assertEquals("leave", presenceCb.getAction());

}

@Test

public void testUnsubscribeAllForGroup()

throws PubnubException, InterruptedException, JSONException {

JSONObject result;

CountDownLatch latch1 = new CountDownLatch(1);

TestHelper.SimpleCallback cb1 = new TestHelper.SimpleCallback(latch1);

// check online

connectToGroup();

// check offline

pubnub2.unsubscribeAll();

Thread.sleep(3000);

pubnub.channelGroupHereNow(group, cb1);

latch1.await(10, TimeUnit.SECONDS);

result = (JSONObject) cb1.getResponse();

assertEquals(0, result.getInt("total_occupancy"));

}

@Test

public void testUnsubscribeAllGroupsForGroup() throws PubnubException, InterruptedException, JSONException {

JSONObject result;

CountDownLatch latch1 = new CountDownLatch(1);

TestHelper.SimpleCallback cb1 = new TestHelper.SimpleCallback(latch1);

// check online

connectToGroup();

// check offline

pubnub2.channelGroupUnsubscribeAllGroups();

Thread.sleep(3000);

pubnub.channelGroupHereNow(group, cb1);

latch1.await(10, TimeUnit.SECONDS);

result = (JSONObject) cb1.getResponse();

assertEquals(0, result.getInt("total_occupancy"));

}

@Test

public void testUnsubscribeGroupForGroup()

throws PubnubException, InterruptedException, JSONException {

JSONObject result;

CountDownLatch latch1 = new CountDownLatch(1);

TestHelper.SimpleCallback cb1 = new TestHelper.SimpleCallback(latch1);

// check online

connectToGroup();

// check offline

pubnub2.channelGroupUnsubscribe(group);

Thread.sleep(3000);

pubnub.channelGroupHereNow(group, cb1);

latch1.await(10, TimeUnit.SECONDS);

result = (JSONObject) cb1.getResponse();

assertEquals(0, result.getInt("total_occupancy"));

}

@Test

public void testUnsubscribeGroupsForGroup()

throws PubnubException, InterruptedException, JSONException {

JSONObject result;

CountDownLatch latch1 = new CountDownLatch(1);

TestHelper.SimpleCallback cb1 = new TestHelper.SimpleCallback(latch1);

// check online

connectToGroup();

// check offline

pubnub2.channelGroupUnsubscribe(new String[]{group});

Thread.sleep(3000);

pubnub.channelGroupHereNow(group, cb1);

latch1.await(10, TimeUnit.SECONDS);

result = (JSONObject) cb1.getResponse();

assertEquals(0, result.getInt("total_occupancy"));

}

private void connectToGroup()

throws InterruptedException, PubnubException, JSONException {

CountDownLatch latch1 = new CountDownLatch(1);

CountDownLatch latch2 = new CountDownLatch(1);

CountDownLatch latch3 = new CountDownLatch(1);

TestHelper.SimpleCallback cb1 = new TestHelper.SimpleCallback(latch1);

TestHelper.SubscribeCallback cb2 = new TestHelper.SubscribeCallback(latch2);

TestHelper.SimpleCallback cb3 = new TestHelper.SimpleCallback(latch3);

pubnub.channelGroupAddChannel(group, channel, cb1);

latch1.await(10, TimeUnit.SECONDS);

// check online

pubnub2.channelGroupSubscribe(group, cb2);

latch2.await(10, TimeUnit.SECONDS);

Thread.sleep(1000);

pubnub.channelGroupHereNow(group, cb3);

latch3.await(10, TimeUnit.SECONDS);

JSONObject result = (JSONObject) cb3.getResponse();

JSONArray uuids = result.getJSONObject("channels")

.getJSONObject(channel)

.getJSONArray("uuids");

assertJSONArrayHas(pubnub2.getUUID(), uuids);

}

}