package org.onap.msb.apiroute.wrapper.consulextend.expose;

import java.math.BigInteger;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.http.HttpEntity;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import org.onap.msb.apiroute.wrapper.consulextend.Consul;
import org.onap.msb.apiroute.wrapper.consulextend.async.ConsulResponseCallback;
import org.onap.msb.apiroute.wrapper.consulextend.expose.WatchCatalogServicesTask;
import org.onap.msb.apiroute.wrapper.consulextend.expose.WatchTask;
import org.onap.msb.apiroute.wrapper.consulextend.expose.WatchTask.Filter;
import org.onap.msb.apiroute.wrapper.consulextend.util.Http;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PowerMockIgnore;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.fasterxml.jackson.core.type.TypeReference;
import com.orbitz.consul.model.ConsulResponse;
import com.orbitz.consul.option.CatalogOptions;
import com.orbitz.consul.option.QueryOptions;

@RunWith(PowerMockRunner.class)
@PrepareForTest({ Http.class })
@PowerMockIgnore({ "javax.net.ssl.*" })
public class WatchCatalogServicesTaskTest {
	private static final Logger LOGGER = LoggerFactory
			.getLogger(WatchCatalogServicesTaskTest.class);

	private Consul consul;

	@SuppressWarnings({ "unchecked", "rawtypes" })
	@Before
	public void init() {

		Map<String, List<String>> catalogservices = new HashMap<String, List<String>>();
		String servicename = "huangleibo";
		List<String> tags = new ArrayList<String>();
		tags.add("1111");
		tags.add("2222");
		catalogservices.put(servicename, tags);

		long lastContact = 1;
		boolean knownLeader = true;
		BigInteger index = BigInteger.valueOf(1);
		final ConsulResponse<Map<String, List<String>>> response = new ConsulResponse<Map<String, List<String>>>(
				catalogservices, lastContact, knownLeader, index);

		//
		Http http = PowerMockito.mock(Http.class);

		PowerMockito
				.doAnswer(new Answer() {
					@Override
					public Object answer(InvocationOnMock invocation)
							throws Throwable {
						Object[] args = invocation.getArguments();
						((ConsulResponseCallback) args[2]).onComplete(response);
						return null;
					}
				})
				.when(http)
				.asyncGet(Mockito.anyString(),
						Mockito.any(TypeReference.class),
						Mockito.any(ConsulResponseCallback.class));

		//
		PowerMockito.spy(Http.class);
		PowerMockito.when(Http.getInstance()).thenReturn(http);

		consul = Consul.newClient();

		WatchCatalogServicesTask task0 = new WatchCatalogServicesTask(
				consul.catalogClient(), CatalogOptions.BLANK,
				QueryOptions.BLANK, 10);

		WatchCatalogServicesTask task1 = new WatchCatalogServicesTask(
				consul.catalogClient(), 10);

		WatchCatalogServicesTask task2 = new WatchCatalogServicesTask(
				consul.catalogClient());

	}
	
	public class StopHandler implements WatchTask.Handler<HttpEntity>
	{
		
		private WatchCatalogServicesTask task;
		
		StopHandler(WatchCatalogServicesTask task)
		{
			this.task = task;
		}

		@Override
		public void handle(ConsulResponse<HttpEntity> object) {
			// TODO Auto-generated method stub
//			Map<String, List<String>> map = (Map<String, List<String>>)object.getResponse();
			LOGGER.debug("handler is here");
			task.stopWatch();
		}
	}

	@SuppressWarnings({ "unchecked", "rawtypes" })
	@Test
	public void teststartWatch() {
		WatchCatalogServicesTask task0 = new WatchCatalogServicesTask(
				consul.catalogClient(), CatalogOptions.BLANK,
				QueryOptions.BLANK, 10);
				
		task0.addFilter(new Filter() {
			@Override
			public boolean filter(ConsulResponse object) {
				// TODO Auto-generated method stub
//				Map<String, List<String>> map = (Map<String, List<String>>)object.getResponse();
				LOGGER.debug("filter is here");
				return true;
			}
			
		});
		
		task0.addHandler(new StopHandler(task0));
		
		task0.startWatch();
	}
	
}