/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2015, 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.OP_ADDR;

import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationContext.ResultHandler;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.registry.Resource;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.Property;

/**
 *
 * @author Alexey Loubyansky
 */
public class DiscoveryOptionsReadAttributeHandler implements OperationStepHandler {

    @Override
    public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {

        final ModelNode result = context.getResult().setEmptyList();

        final PathAddress address = PathAddress.pathAddress(operation.get(OP_ADDR));
        final ModelNode discoveryOptions = Resource.Tools.readModel(context.readResourceFromRoot(address));

        final ModelNode list = discoveryOptions.get(ModelDescriptionConstants.OPTIONS).clone();
        if (list.isDefined()) {
            for(Property option : list.asPropertyList()) {
                String type = option.getName();
                if(type.equals(ModelDescriptionConstants.CUSTOM_DISCOVERY)) {
                    // for compatibility
                    type = ModelDescriptionConstants.DISCOVERY_OPTION;
                }
                final String name = option.getValue().get(ModelDescriptionConstants.NAME).asString();
                result.add(type, name);
            }
        }
        context.completeStep(ResultHandler.NOOP_RESULT_HANDLER);
    }
}
