/*
 * JBoss, Home of Professional Open Source
 * Copyright 2010, Red Hat, Inc., and individual contributors
 * by the @authors tag. 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.weld.tests.nonContextual;

import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.BeanArchive;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.weld.test.util.Utils;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;

import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.inject.spi.InjectionPoint;
import javax.enterprise.inject.spi.InjectionTarget;
import javax.inject.Inject;

@RunWith(Arquillian.class)
public class ExampleTest {
    @Deployment
    public static Archive<?> deploy() {
        return ShrinkWrap.create(BeanArchive.class, Utils.getDeploymentNameAsHash(ExampleTest.class))
                .addClasses(External.class, WebBean.class);
    }

    @Inject
    private BeanManager beanManager;

    @Test
    public void testNonContextual() throws Exception {
        NonContextual<External> nonContextual = new NonContextual<External>(beanManager, External.class);

        External external = new External();
        Assert.assertNull(external.bean);
        nonContextual.postConstruct(external);
        Assert.assertNotNull(external.bean);
        nonContextual.preDestroy(external);
        // preDestroy doesn't cause any dis-injection
        Assert.assertNotNull(external.bean);
    }

    @Test
    public void validateNonContextual() throws Exception {
        NonContextual<External> nonContextual = new NonContextual<External>(beanManager, External.class);

        for (InjectionPoint point : nonContextual.it.getInjectionPoints()) {
            try {
                beanManager.validate(point);
            } catch (Exception e) {
                Assert.fail("Should have been valid");
            }
        }
    }


    public class NonContextual<T> {

        final InjectionTarget<T> it;
        final BeanManager manager;

        public NonContextual(BeanManager manager, Class<T> clazz) {
            this.manager = manager;
            AnnotatedType<T> type = manager.createAnnotatedType(clazz);
            this.it = manager.createInjectionTarget(type);
        }

        public CreationalContext<T> postConstruct(T instance) {
            CreationalContext<T> cc = manager.createCreationalContext(null);
            it.inject(instance, cc);
            it.postConstruct(instance);
            return cc;
        }

        public void preDestroy(T instance) {
            it.preDestroy(instance);
        }
    }
}