/**
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Eclipse Public License version 1.0, available at
 * http://www.eclipse.org/legal/epl-v10.html
 */
package org.jboss.forge.addon.javaee.jpa.ui;

import static org.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.jboss.forge.addon.javaee.JavaEEPackageConstants.DEFAULT_ENTITY_PACKAGE;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.io.FileNotFoundException;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;

import javax.inject.Inject;
import javax.persistence.Embeddable;

import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.forge.addon.javaee.ProjectHelper;
import org.jboss.forge.addon.javaee.jpa.JPAFacet;
import org.jboss.forge.addon.parser.java.facets.JavaSourceFacet;
import org.jboss.forge.addon.parser.java.resources.JavaResource;
import org.jboss.forge.addon.parser.java.resources.JavaResourceVisitor;
import org.jboss.forge.addon.projects.Project;
import org.jboss.forge.addon.resource.visit.VisitContext;
import org.jboss.forge.addon.shell.test.ShellTest;
import org.jboss.forge.addon.ui.controller.CommandController;
import org.jboss.forge.addon.ui.metadata.UICommandMetadata;
import org.jboss.forge.addon.ui.result.Failed;
import org.jboss.forge.addon.ui.result.Result;
import org.jboss.forge.addon.ui.test.UITestHarness;
import org.jboss.forge.arquillian.AddonDependencies;
import org.jboss.forge.arquillian.AddonDependency;
import org.jboss.forge.arquillian.archive.AddonArchive;
import org.jboss.forge.roaster.model.JavaClass;
import org.jboss.forge.roaster.model.JavaType;
import org.jboss.forge.roaster.model.source.JavaClassSource;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;

@RunWith(Arquillian.class)
public class JPANewEmbeddableCommandTest
{

   @Deployment
   @AddonDependencies({
            @AddonDependency(name = "org.jboss.forge.addon:ui-test-harness"),
            @AddonDependency(name = "org.jboss.forge.addon:shell-test-harness"),
            @AddonDependency(name = "org.jboss.forge.addon:javaee"),
            @AddonDependency(name = "org.jboss.forge.addon:maven"),
            @AddonDependency(name = "org.jboss.forge.furnace.container:cdi")
   })
   public static AddonArchive getDeployment()
   {
      return ShrinkWrap.create(AddonArchive.class).addBeansXML().addClass(ProjectHelper.class);
   }

   @Inject
   private UITestHarness uiTestHarness;

   @Inject
   private ShellTest shellTest;

   @Inject
   private ProjectHelper projectHelper;

   private Project project;

   @Before
   public void setUp()
   {
      project = projectHelper.createJavaLibraryProject();
      projectHelper.installJPA_2_0(project);
   }

   @After
   public void tearDown() throws Exception
   {
      shellTest.close();
   }

   @Test
   public void checkCommandMetadata() throws Exception
   {
      try (CommandController controller = uiTestHarness.createCommandController(JPANewEmbeddableCommand.class,
               project.getRoot()))
      {
         controller.initialize();
         // Checks the command metadata
         assertTrue(controller.getCommand() instanceof JPANewEmbeddableCommand);
         UICommandMetadata metadata = controller.getMetadata();
         assertEquals("JPA: New Embeddable", metadata.getName());
         assertEquals("Java EE", metadata.getCategory().getName());
         assertEquals("JPA", metadata.getCategory().getSubCategory().getName());
         assertEquals(5, controller.getInputs().size());
         assertFalse("Project is created, shouldn't have targetLocation", controller.hasInput("targetLocation"));
         assertTrue(controller.hasInput("named"));
         assertTrue(controller.hasInput("targetPackage"));
         assertTrue(controller.hasInput("overwrite"));
         assertTrue(controller.hasInput("extends"));
         assertTrue(controller.hasInput("implements"));
         assertTrue(controller.getValueFor("targetPackage").toString().endsWith(DEFAULT_ENTITY_PACKAGE));
      }
   }

   @Test
   public void checkCommandShell() throws Exception
   {
      shellTest.getShell().setCurrentResource(project.getRoot());
      Result result = shellTest.execute(("jpa-new-embeddable --named Dummy"), 10, TimeUnit.SECONDS);

      Assert.assertThat(result, not(instanceOf(Failed.class)));
      Assert.assertTrue(project.hasFacet(JPAFacet.class));
   }

   @Test
   public void testCreateEmbeddable() throws Exception
   {
      try (CommandController controller = uiTestHarness.createCommandController(JPANewEmbeddableCommand.class,
               project.getRoot()))
      {
         controller.initialize();
         controller.setValueFor("named", "MyEmbeddable");
         Assert.assertTrue(controller.isValid());
         Assert.assertTrue(controller.canExecute());
         Result result = controller.execute();
         Assert.assertThat(result, is(not(instanceOf(Failed.class))));
      }

      JavaSourceFacet facet = project.getFacet(JavaSourceFacet.class);

      final List<JavaClass<?>> embeddables = new ArrayList<>();
      facet.visitJavaSources(new JavaResourceVisitor()
      {
         @Override
         public void visit(VisitContext context, JavaResource resource)
         {
            try
            {
               JavaType<?> type = resource.getJavaType();
               if (type.hasAnnotation(Embeddable.class) && type.isClass())
               {
                  embeddables.add((JavaClassSource) type);
               }
            }
            catch (FileNotFoundException e)
            {
               throw new IllegalStateException(e);
            }
         }
      });

      assertEquals(1, embeddables.size());
      JavaClass<?> embeddableEntity = embeddables.get(0);
      assertEquals(0, embeddableEntity.getSyntaxErrors().size());
      assertTrue(embeddableEntity.hasAnnotation(Embeddable.class));
      assertTrue(embeddableEntity.hasInterface(Serializable.class));
      assertEquals(org.jboss.forge.roaster.model.Visibility.PUBLIC, embeddableEntity.getVisibility());
      assertEquals(0, embeddableEntity.getFields().size());
      assertEquals(0, embeddableEntity.getMethods().size());
      assertEquals(0, embeddableEntity.getMembers().size());
      assertEquals(0, embeddableEntity.getProperties().size());
      assertFalse(embeddableEntity.hasJavaDoc());
      assertTrue(embeddableEntity.getName().equals("MyEmbeddable"));
   }
}
