/*
 * JBoss, Home of Professional Open Source
 * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the @author tags. All rights reserved.
 * See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU Lesser General Public License, v. 2.1.
 * This program is distributed in the hope that it will be useful, but WITHOUT A
 * 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,
 * v.2.1 along with this distribution; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */
package org.infinispan.server.endpoint.subsystem;

import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.ReloadRequiredRemoveStepHandler;
import org.jboss.as.controller.ReloadRequiredWriteAttributeHandler;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.SimpleResourceDefinition;
import org.jboss.as.controller.operations.validation.EnumValidator;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;

/**
 * RestAuthenticationResource.
 *
 * @author Tristan Tarrant
 * @since 9.0
 */
public class RestAuthenticationResource extends SimpleResourceDefinition {

   private static final PathElement AUTHENTICATION_PATH = PathElement.pathElement(ModelKeys.AUTHENTICATION, ModelKeys.AUTHENTICATION_NAME);

   static final SimpleAttributeDefinition SECURITY_REALM =
         new SimpleAttributeDefinitionBuilder(ModelKeys.SECURITY_REALM, ModelType.STRING, true)
                 .setAllowExpression(true)
                 .setXmlName(ModelKeys.SECURITY_REALM)
                 .setRestartAllServices()
                 .build();

   static final SimpleAttributeDefinition AUTH_METHOD =
         new SimpleAttributeDefinitionBuilder(ModelKeys.AUTH_METHOD, ModelType.STRING, true)
               .setAllowExpression(true)
               .setXmlName(ModelKeys.AUTH_METHOD)
               .setValidator(new EnumValidator<>(RestAuthMethod.class, true, false))
               .setDefaultValue(new ModelNode().set(RestAuthMethod.NONE.name()))
               .setRestartAllServices()
               .build();

   static final SimpleAttributeDefinition[] AUTHENTICATION_ATTRIBUTES = { SECURITY_REALM, AUTH_METHOD };

   public RestAuthenticationResource() {
      super(AUTHENTICATION_PATH, EndpointExtension.getResourceDescriptionResolver(ModelKeys.AUTHENTICATION), RestAuthenticationAdd.INSTANCE, ReloadRequiredRemoveStepHandler.INSTANCE);
   }

   @Override
   public void registerAttributes(ManagementResourceRegistration resourceRegistration) {
       super.registerAttributes(resourceRegistration);

       final OperationStepHandler writeHandler = new ReloadRequiredWriteAttributeHandler(AUTHENTICATION_ATTRIBUTES);
       for (AttributeDefinition attr : AUTHENTICATION_ATTRIBUTES) {
           resourceRegistration.registerReadWriteAttribute(attr, null, writeHandler);
       }
   }
}