/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2013, 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.jboss.as.host.controller.operations;

import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.HOST;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.PORT;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.STATIC_DISCOVERY;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.ServiceVerificationHandler;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.registry.Resource;
import org.jboss.as.host.controller.discovery.StaticDiscovery;
import org.jboss.as.host.controller.discovery.StaticDiscoveryResourceDefinition;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;

/**
 * Handler for the static discovery option resource's add operation.
 *
 * @author Farah Juma
 */
public class StaticDiscoveryAddHandler extends AbstractDiscoveryOptionAddHandler {

    private final LocalHostControllerInfoImpl hostControllerInfo;

    /**
     * Create the StaticDiscoveryAddHandler.
     *
     * @param hostControllerInfo the host controller info
     */
    public StaticDiscoveryAddHandler(final LocalHostControllerInfoImpl hostControllerInfo) {
        this.hostControllerInfo = hostControllerInfo;
    }

    @Override
    protected boolean requiresRuntime(OperationContext context) {
        return true;
    }

    @Override
    protected void performRuntime(final OperationContext context, final ModelNode operation, final ModelNode model,
                                  final ServiceVerificationHandler verificationHandler,
                                  final List<ServiceController<?>> newControllers) throws OperationFailedException {
        if (context.isBooting()) {
            populateHostControllerInfo(hostControllerInfo, context, model);
        } else {
            context.reloadRequired();
        }
    }

    @Override
    protected void populateModel(ModelNode operation, ModelNode model) throws OperationFailedException {
        // no-op
    }

    @Override
    protected void populateModel(final OperationContext context, final ModelNode operation,
            final Resource resource) throws  OperationFailedException {
        final ModelNode model = resource.getModel();
        for (final SimpleAttributeDefinition attribute : StaticDiscoveryResourceDefinition.STATIC_DISCOVERY_ATTRIBUTES) {
            attribute.validateAndSet(operation, model);
        }

        updateDiscoveryOptionsOrdering(context, operation, STATIC_DISCOVERY);
    }

    protected void populateHostControllerInfo(LocalHostControllerInfoImpl hostControllerInfo, OperationContext context,
            ModelNode model) throws OperationFailedException {
        ModelNode hostNode = StaticDiscoveryResourceDefinition.HOST.resolveModelAttribute(context, model);
        ModelNode portNode = StaticDiscoveryResourceDefinition.PORT.resolveModelAttribute(context, model);

        // Create a StaticDiscovery option and add it to the host controller info
        Map<String, ModelNode> properties = new HashMap<String, ModelNode>();
        properties.put(HOST, hostNode);
        properties.put(PORT, portNode);
        StaticDiscovery staticDiscoveryOption = new StaticDiscovery(properties);
        hostControllerInfo.addRemoteDomainControllerDiscoveryOption(staticDiscoveryOption);
    }
}
