/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2012, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.wildfly.extension.picketlink.federation.model;

import org.jboss.as.controller.AbstractAddStepHandler;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.ServiceVerificationHandler;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceController.Mode;
import org.wildfly.extension.picketlink.federation.service.FederationService;
import org.wildfly.extension.undertow.UndertowService;

import java.util.List;

/**
 * @author <a href="mailto:psilva@redhat.com">Pedro Silva</a>
 */
public class FederationAddHandler extends AbstractAddStepHandler {

    static final FederationAddHandler INSTANCE = new FederationAddHandler();

    @Override
    protected void populateModel(ModelNode operation, ModelNode model) throws OperationFailedException {
        for (SimpleAttributeDefinition attribute : FederationResourceDefinition.ATTRIBUTE_DEFINITIONS) {
            attribute.validateAndSet(operation, model);
        }
    }

    @Override
    protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model,
                                         ServiceVerificationHandler verificationHandler, List<ServiceController<?>> newControllers)
            throws OperationFailedException {
        PathAddress pathAddress = PathAddress.pathAddress(operation.get(ModelDescriptionConstants.OP_ADDR));
        launchServices(operation, pathAddress, context, verificationHandler, newControllers);
    }

    void launchServices(ModelNode operation, PathAddress pathAddress, OperationContext context, ServiceVerificationHandler verificationHandler, List<ServiceController<?>> newControllers) {
        String alias = pathAddress.getLastElement().getValue();
        FederationService service = new FederationService(alias);
        ServiceBuilder<FederationService> serviceBuilder = context.getServiceTarget().addService(FederationService.createServiceName(alias), service);

        serviceBuilder.addDependency(UndertowService.UNDERTOW);

        if (verificationHandler != null) {
            serviceBuilder.addListener(verificationHandler);
        }

        ServiceController<FederationService> controller = serviceBuilder.setInitialMode(Mode.ACTIVE).install();

        if (newControllers != null) {
            newControllers.add(controller);
        }
    }
}
