/*
 * JBoss, Home of Professional Open Source
 * Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the @authors tag. All rights reserved.
 * See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,  
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.arquillian.container.test.impl.client.container;

import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.util.List;

import junit.framework.Assert;

import org.jboss.arquillian.config.descriptor.api.ContainerDef;
import org.jboss.arquillian.container.impl.LocalContainerRegistry;
import org.jboss.arquillian.container.spi.Container;
import org.jboss.arquillian.container.spi.ContainerRegistry;
import org.jboss.arquillian.container.spi.client.container.DeployableContainer;
import org.jboss.arquillian.container.spi.client.deployment.DeploymentDescription;
import org.jboss.arquillian.container.spi.client.deployment.DeploymentScenario;
import org.jboss.arquillian.container.spi.client.deployment.DeploymentTargetDescription;
import org.jboss.arquillian.container.spi.client.deployment.TargetDescription;
import org.jboss.arquillian.container.spi.event.DeployDeployment;
import org.jboss.arquillian.container.spi.event.KillContainer;
import org.jboss.arquillian.container.spi.event.SetupContainers;
import org.jboss.arquillian.container.spi.event.StartContainer;
import org.jboss.arquillian.container.spi.event.StopContainer;
import org.jboss.arquillian.container.spi.event.UnDeployDeployment;
import org.jboss.arquillian.container.test.api.Config;
import org.jboss.arquillian.container.test.api.ContainerController;
import org.jboss.arquillian.container.test.test.AbstractContainerTestTestBase;
import org.jboss.arquillian.core.api.Injector;
import org.jboss.arquillian.core.api.Instance;
import org.jboss.arquillian.core.api.annotation.ApplicationScoped;
import org.jboss.arquillian.core.api.annotation.Inject;
import org.jboss.arquillian.core.spi.ServiceLoader;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.runners.MockitoJUnitRunner;

/**
 * ClientContainerControllerTestCase
 *
 * @author <a href="mailto:mgencur@redhat.com">Martin Gencur</a>
 * @version $Revision: $
 */
@RunWith(MockitoJUnitRunner.class)
public class ClientContainerControllerTestCase extends AbstractContainerTestTestBase
{
   private static final String MANAGED_SERVER_NAME = "suiteOrClassServer";

   private static final String MANUAL_SERVER_NAME = "manualServer";

   private static final String CUSTOM_SERVER_NAME = "customServer";

   private static final String UNKNOWN_SERVER = "unknown";

   private static final String DEPLOYMENT_NAME = "DEPLOYMENT";

   @Override
   protected void addExtensions(List<Class<?>> extensions)
   {
      extensions.add(ClientContainerControllerCreator.class);
   }

   @Inject
   private Instance<Injector> injector;

   private ContainerRegistry registry;

   @Inject
   private Instance<ContainerController> controller;

   @Inject
   private Instance<DeploymentScenario> scenario;

   @Mock
   private ServiceLoader serviceLoader;

   @Mock
   @SuppressWarnings("rawtypes")
   private DeployableContainer deployableContainer;

   @Before
   public void createSetup()
   {
      registry = new LocalContainerRegistry(injector.get());
      when(serviceLoader.onlyOne(eq(DeployableContainer.class))).thenReturn(deployableContainer);

      ContainerDef suiteContainerDef = mock(ContainerDef.class);
      when(suiteContainerDef.getContainerName()).thenReturn(MANAGED_SERVER_NAME);
      when(suiteContainerDef.getMode()).thenReturn("suite");

      ContainerDef manualContainerDef = Mockito.mock(ContainerDef.class);
      when(manualContainerDef.getContainerName()).thenReturn(MANUAL_SERVER_NAME);
      when(manualContainerDef.getMode()).thenReturn("manual");

      ContainerDef customContainerDef = Mockito.mock(ContainerDef.class);
      when(customContainerDef.getMode()).thenReturn("custom");
      when(customContainerDef.getContainerName()).thenReturn(CUSTOM_SERVER_NAME);

      registry.create(suiteContainerDef, serviceLoader);
      registry.create(manualContainerDef, serviceLoader);
      registry.create(customContainerDef, serviceLoader);

      bind(ApplicationScoped.class, ContainerRegistry.class, registry);
      bind(ApplicationScoped.class, DeploymentScenario.class, new DeploymentScenario());

      fire(new SetupContainers());
   }

   @Test
   public void shouldFireStartContainerEventOnStartManual() throws Exception
   {
      controller.get().start(MANUAL_SERVER_NAME);
      assertEventFired(StartContainer.class, 1);
   }

   @Test
   public void shouldFireStartContainerEventOnStartCustom() throws Exception
   {
      controller.get().start(CUSTOM_SERVER_NAME);
      assertEventFired(StartContainer.class, 1);
   }

   @Test
   public void shouldFireDeployDeploymentEventOnStartManualWhenManagedDeployment() throws Exception
   {
      setupAndExecuteManagedDeployment(MANUAL_SERVER_NAME);
      assertEventFired(DeployDeployment.class, 2);
   }
   
   // Custom Containers does not allow Managed Deployments (verified in DeploymentGenerator)
   @Test(expected = IllegalStateException.class)
   public void shouldThrowExceptionOnStartCustomWhenManagedDeployment() throws Exception
   {
      setupAndExecuteManagedDeployment(CUSTOM_SERVER_NAME);
      //assertEventFired(DeployDeployment.class, 0);
   }

   @Test
   public void shouldNotFireDeployDeploymentEventOnStartManualWhenNotManagedDeployment() throws Exception
   {
      setupAndExecuteNonManagedDeployment(MANUAL_SERVER_NAME);
      assertEventFired(DeployDeployment.class, 0);
   }

   @Test
   public void shouldNotFireDeployDeploymentEventOnStartCustomWhenNotManagedDeployment() throws Exception
   {
      setupAndExecuteNonManagedDeployment(CUSTOM_SERVER_NAME);
      assertEventFired(DeployDeployment.class, 0);
   }

   @Test
   public void shouldFireUnDeployDeploymentEventOnStopManualWhenManagedDeployment() throws Exception
   {
      setupAndExecuteManagedUnDeployment(MANUAL_SERVER_NAME);
      assertEventFired(UnDeployDeployment.class, 1);
   }

   @Test
   public void shouldNotFireUnDeployDeploymentEventOnStopManualWhenNotManagedDeployment() throws Exception
   {
      setupAndExecuteNonManagedUnDeployment(MANUAL_SERVER_NAME);
      assertEventFired(UnDeployDeployment.class, 0);
   }

   @Test
   public void shouldNotFireUnDeployDeploymentEventOnStopCustomWhenNotManagedDeployment() throws Exception
   {
      setupAndExecuteNonManagedUnDeployment(CUSTOM_SERVER_NAME);
      assertEventFired(UnDeployDeployment.class, 0);
   }

   @Test
   public void shouldFireStartContainerEventOnStartWithOverrides() throws Exception
   {
      controller.get().start(MANUAL_SERVER_NAME, new Config().add("managementPort", "19999").map());

      assertEventFired(StartContainer.class, 1);
   }

   @Test
   public void shouldFireStopContainerEventOnStop() throws Exception
   {
      controller.get().stop(MANUAL_SERVER_NAME);

      assertEventFired(StopContainer.class, 1);
   }

   @Test
   public void shouldFireKillContainerEventOnKill() throws Exception
   {
      controller.get().kill(MANUAL_SERVER_NAME);

      assertEventFired(KillContainer.class, 1);
   }

   @Test
   public void shouldBeAbleToCheckTheStateOfAServer() throws Exception
   {
      Container contianer = registry.getContainer(CUSTOM_SERVER_NAME);
      contianer.setState(Container.State.STOPPED);
      Assert.assertFalse(controller.get().isStarted(CUSTOM_SERVER_NAME));

      contianer.setState(Container.State.STARTED);
      Assert.assertTrue(controller.get().isStarted(CUSTOM_SERVER_NAME));
   }

   @Test(expected = IllegalArgumentException.class)
   public void shouldThrowExceptionOnStartWhenManaged() throws Exception
   {
      controller.get().start(MANAGED_SERVER_NAME);
   }

   @Test(expected = IllegalArgumentException.class)
   public void shouldThrowExceptionOnStartWithOverridesWhenManaged() throws Exception
   {
      controller.get().start(MANAGED_SERVER_NAME, new Config().add("managementPort", "19999").map());
   }

   @Test(expected = IllegalArgumentException.class)
   public void shouldThrowExceptionOnStopWhenManaged() throws Exception
   {
      controller.get().stop(MANAGED_SERVER_NAME);
   }

   @Test(expected = IllegalArgumentException.class)
   public void shouldThrowExceptionOnKillWhenManaged() throws Exception
   {
      controller.get().kill(MANAGED_SERVER_NAME);
   }

   @Test(expected = IllegalArgumentException.class)
   public void shouldThrowExceptionOnStartWhenNotFound() throws Exception
   {
      controller.get().start(UNKNOWN_SERVER);
   }

   @Test(expected = IllegalArgumentException.class)
   public void shouldThrowExceptionOnStopWhenNotFound() throws Exception
   {
      controller.get().stop(UNKNOWN_SERVER);
   }

   @Test(expected = IllegalArgumentException.class)
   public void shouldThrowExceptionOnKillWhenNotFound() throws Exception
   {
      controller.get().kill(UNKNOWN_SERVER);
   }

   private void setupAndExecuteManagedDeployment(String containerName)
   {
      setupAndExecuteDeployment(containerName, true);
   }

   private void setupAndExecuteNonManagedDeployment(String containerName)
   {
      setupAndExecuteDeployment(containerName, false);
   }

   private void setupAndExecuteManagedUnDeployment(String containerName)
   {
      setupAndExecuteUnDeployment(containerName, true);
   }

   private void setupAndExecuteNonManagedUnDeployment(String containerName)
   {
      setupAndExecuteUnDeployment(containerName, false);
   }

   private void setupAndExecuteDeployment(String containerName, boolean managed)
   {
      DeploymentDescription description = createDeploymentDescription(containerName)
                               .shouldBeManaged(managed);

      scenario.get().addDeployment(description);
      controller.get().start(containerName);
      controller.get().start(containerName, new Config().add("managementPort", "19999").map());
   }

   private void setupAndExecuteUnDeployment(String containerName, boolean managed)
   {
      DeploymentDescription description = createDeploymentDescription(containerName)
                                             .shouldBeManaged(managed);
      scenario.get().addDeployment(description);
      controller.get().start(containerName);
      scenario.get().deployment(new DeploymentTargetDescription(DEPLOYMENT_NAME)).deployed();

      controller.get().stop(containerName);
   }

   private DeploymentDescription createDeploymentDescription(String targetName)
   {
      return new DeploymentDescription(DEPLOYMENT_NAME, ShrinkWrap.create(JavaArchive.class))
               .setTarget(new TargetDescription(targetName));
   }
}