/*
 * Copyright The WildFly Authors
 * SPDX-License-Identifier: Apache-2.0
 */

package org.wildfly.extension.messaging.activemq.jms;

import static java.lang.System.arraycopy;
import static org.wildfly.extension.messaging.activemq.AbstractTransportDefinition.CONNECTOR_CAPABILITY_NAME;
import static org.wildfly.extension.messaging.activemq.jms.ConnectionFactoryAttribute.getDefinitions;
import static org.wildfly.extension.messaging.activemq.jms.ConnectionFactoryAttributes.Common.DESERIALIZATION_ALLOWLIST;
import static org.wildfly.extension.messaging.activemq.jms.ConnectionFactoryAttributes.Common.DESERIALIZATION_BLACKLIST;
import static org.wildfly.extension.messaging.activemq.jms.ConnectionFactoryAttributes.Common.DESERIALIZATION_BLOCKLIST;
import static org.wildfly.extension.messaging.activemq.jms.ConnectionFactoryAttributes.Common.DESERIALIZATION_WHITELIST;
import static org.wildfly.extension.messaging.activemq.jms.ConnectionFactoryAttributes.Pooled.CREDENTIAL_REFERENCE;

import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import org.jboss.as.controller.AbstractAttributeDefinitionBuilder;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.AttributeMarshaller;
import org.jboss.as.controller.AttributeParser;
import org.jboss.as.controller.PersistentResourceDefinition;
import org.jboss.as.controller.PrimitiveListAttributeDefinition;
import org.jboss.as.controller.ReloadRequiredWriteAttributeHandler;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.SimpleListAttributeDefinition;
import org.jboss.as.controller.SimpleMapAttributeDefinition;
import org.jboss.as.controller.SimpleResourceDefinition;
import org.jboss.as.controller.StringListAttributeDefinition;
import org.jboss.as.controller.capability.DynamicNameMappers;
import org.jboss.as.controller.capability.RuntimeCapability;
import org.jboss.as.controller.registry.AttributeAccess;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.as.controller.security.CredentialReferenceWriteAttributeHandler;
import org.wildfly.extension.messaging.activemq.AbstractTransportDefinition;
import org.wildfly.extension.messaging.activemq.CommonAttributes;
import org.wildfly.extension.messaging.activemq.MessagingExtension;
import org.wildfly.extension.messaging.activemq.jms.ConnectionFactoryAttributes.Common;
import org.wildfly.extension.messaging.activemq.jms.ConnectionFactoryAttributes.Pooled;

/**
 * Jakarta Messaging pooled Connection Factory resource definition.
 *
 * @author <a href="http://jmesnil.net">Jeff Mesnil</a> (c) 2012 Red Hat Inc.
 */
public class PooledConnectionFactoryDefinition extends PersistentResourceDefinition {
    static final String CAPABILITY_NAME = "org.wildfly.messaging.activemq.server.pooled-connection-factory";
    static final RuntimeCapability<Void> CAPABILITY = RuntimeCapability.Builder.of(CAPABILITY_NAME, true, PooledConnectionFactoryService.class)
            .setDynamicNameMapper(DynamicNameMappers.PARENT)
            .build();
    // the generation of the Pooled CF attributes is a bit ugly but it is with purpose:
    // * factorize the attributes which are common between the regular CF and the pooled CF
    // * keep in a single place the subtle differences (e.g. different default values for reconnect-attempts between
    //   the regular and pooled CF
    private static ConnectionFactoryAttribute[] define(ConnectionFactoryAttribute[] specific, ConnectionFactoryAttribute... common) {
        int size = common.length + specific.length;
        ConnectionFactoryAttribute[] result = new ConnectionFactoryAttribute[size];
        arraycopy(specific, 0, result, 0, specific.length);
        for (int i = 0; i < common.length; i++) {
            ConnectionFactoryAttribute attr = common[i];
            AttributeDefinition definition = attr.getDefinition();

            ConnectionFactoryAttribute newAttr;
            // replace the reconnect-attempts attribute to use a different default value for pooled CF
            if (definition == Common.RECONNECT_ATTEMPTS) {
                AttributeDefinition copy = copy(Pooled.RECONNECT_ATTEMPTS, AttributeAccess.Flag.RESTART_ALL_SERVICES);
                newAttr = ConnectionFactoryAttribute.create(copy, Pooled.RECONNECT_ATTEMPTS_PROP_NAME, true);
            } else if (definition == Common.CONNECTORS) {
                StringListAttributeDefinition copy = new StringListAttributeDefinition.Builder(Common.CONNECTORS)
                        .setAlternatives(CommonAttributes.DISCOVERY_GROUP)
                        .setRequired(true)
                        .setAttributeParser(AttributeParser.STRING_LIST)
                        .setAttributeMarshaller(AttributeMarshaller.STRING_LIST)
                        .setCapabilityReference(new AbstractTransportDefinition.TransportCapabilityReferenceRecorder(CAPABILITY_NAME, CONNECTOR_CAPABILITY_NAME, false))
                        .setRestartAllServices()
                        .build();
                newAttr = ConnectionFactoryAttribute.create(copy, attr.getPropertyName(), attr.isResourceAdapterProperty(), attr.getConfigType());
            }else {
                AttributeDefinition copy = copy(definition, AttributeAccess.Flag.RESTART_ALL_SERVICES);
                newAttr = ConnectionFactoryAttribute.create(copy, attr.getPropertyName(), attr.isResourceAdapterProperty(), attr.getConfigType());
            }
            result[specific.length + i] = newAttr;
        }
        return result;
    }

    private static AttributeDefinition copy(AttributeDefinition attribute, AttributeAccess.Flag flag) {
        AbstractAttributeDefinitionBuilder builder;
        if (attribute instanceof  SimpleListAttributeDefinition) {
            builder =  new SimpleListAttributeDefinition.Builder((SimpleListAttributeDefinition)attribute);
        } else if (attribute instanceof  SimpleMapAttributeDefinition) {
            builder = new SimpleMapAttributeDefinition.Builder((SimpleMapAttributeDefinition)attribute);
        } else if (attribute instanceof PrimitiveListAttributeDefinition) {
            builder = new PrimitiveListAttributeDefinition.Builder((PrimitiveListAttributeDefinition)attribute);
        } else {
            builder = new SimpleAttributeDefinitionBuilder((SimpleAttributeDefinition)attribute);
        }
        builder.setFlags(flag);
        return builder.build();
    }

    public static final ConnectionFactoryAttribute[] ATTRIBUTES = define(Pooled.ATTRIBUTES, Common.ATTRIBUTES);

    public static Map<String, ConnectionFactoryAttribute> getAttributesMap() {
        Map<String, ConnectionFactoryAttribute> attrs = new HashMap<String, ConnectionFactoryAttribute>(ATTRIBUTES.length);
        for (ConnectionFactoryAttribute attribute : ATTRIBUTES) {
            attrs.put(attribute.getDefinition().getName(), attribute);
        }
        return attrs;
    }

    private final boolean deployed;
    private final boolean external;

    /**
     * Constructor for a pooled connection factory.
     * @param deployed: indicates if this resource describe a pcf created via a deployment.
     */
    public PooledConnectionFactoryDefinition(final boolean deployed) {
        this(new SimpleResourceDefinition.Parameters(MessagingExtension.POOLED_CONNECTION_FACTORY_PATH, MessagingExtension.getResourceDescriptionResolver(CommonAttributes.POOLED_CONNECTION_FACTORY))
                .setAddHandler(PooledConnectionFactoryAdd.INSTANCE)
                .setRemoveHandler(PooledConnectionFactoryRemove.INSTANCE)
                .setCapabilities(CAPABILITY), deployed);
    }

    protected PooledConnectionFactoryDefinition(SimpleResourceDefinition.Parameters parameters, final boolean deployed) {
        this(parameters, deployed, false);
    }

    protected PooledConnectionFactoryDefinition(SimpleResourceDefinition.Parameters parameters, final boolean deployed, final boolean external) {
        super(parameters);
        this.deployed = deployed;
        this.external = external;
    }

    @Override
    public Collection<AttributeDefinition> getAttributes() {
        return Arrays.asList(getDefinitions(ATTRIBUTES));
    }

    @Override
    public void registerAttributes(ManagementResourceRegistration registry) {
        Collection<AttributeDefinition> definitions = getAttributes();
        ReloadRequiredWriteAttributeHandler reloadRequiredWriteAttributeHandler = new ReloadRequiredWriteAttributeHandler(definitions);
        CredentialReferenceWriteAttributeHandler credentialReferenceWriteAttributeHandler = new CredentialReferenceWriteAttributeHandler(CREDENTIAL_REFERENCE);
        for (AttributeDefinition attr : definitions) {
            if (!attr.getFlags().contains(AttributeAccess.Flag.STORAGE_RUNTIME)) {
                if (deployed) {
                    registry.registerReadOnlyAttribute(attr, external ? PooledConnectionFactoryConfigurationRuntimeHandler.EXTERNAL_INSTANCE: PooledConnectionFactoryConfigurationRuntimeHandler.INSTANCE);
                } else {
                    if (CREDENTIAL_REFERENCE.equals(attr)) {
                        registry.registerReadWriteAttribute(attr, null, credentialReferenceWriteAttributeHandler);
                    } else {
                        registry.registerReadWriteAttribute(attr, null, reloadRequiredWriteAttributeHandler);
                    }
                }
            }
        }
        ConnectionFactoryAttributes.registerAliasAttribute(registry, deployed, DESERIALIZATION_WHITELIST, DESERIALIZATION_ALLOWLIST.getName());
        ConnectionFactoryAttributes.registerAliasAttribute(registry, deployed, DESERIALIZATION_BLACKLIST, DESERIALIZATION_BLOCKLIST.getName());
    }
}
