/**
 * Licensed to JumpMind Inc under one or more contributor
 * license agreements.  See the NOTICE file distributed
 * with this work for additional information regarding
 * copyright ownership.  JumpMind Inc licenses this file
 * to you under the GNU General Public License, version 3.0 (GPLv3)
 * (the "License"); you may not use this file except in compliance
 * with the License.
 *
 * You should have received a copy of the GNU General Public License,
 * version 3.0 (GPLv3) along with this library; if not, see
 * <http://www.gnu.org/licenses/>.
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.jumpmind.symmetric.io;

import org.jumpmind.extension.IBuiltInExtensionPoint;
import org.jumpmind.symmetric.model.Node;
import org.jumpmind.symmetric.service.INodeService;
import org.jumpmind.symmetric.service.IParameterService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Default implementation of an {@link IOfflineClientListener}.  When the listener detects
 * that sync has been disabled or registration is required, the local node identity is removed.
 */
public class DefaultOfflineClientListener implements IOfflineClientListener, IBuiltInExtensionPoint {
    
    protected final Logger log = LoggerFactory.getLogger(getClass());
    protected IParameterService parameterService;
    protected INodeService nodeService;
    
    public DefaultOfflineClientListener(IParameterService parameterService,
            INodeService nodeService) {
        this.parameterService = parameterService;
        this.nodeService = nodeService;
    }

    public void busy(Node remoteNode) {
        log.info("Node '{}' was too busy to accept the connection", remoteNode.getNodeId());
    }

    public void notAuthenticated(Node remoteNode) {
        log.warn("Could not authenticate with node '{}'", remoteNode.getNodeId());
    }
    
    public void unknownError(Node remoteNode, Exception ex) {
    }

    public void offline(Node remoteNode) {
        log.warn("Failed to connect to the transport: {}",
                (remoteNode.getSyncUrl() == null ? parameterService.getRegistrationUrl() : remoteNode
                        .getSyncUrl()));
    }

    public void syncDisabled(Node remoteNode) {
        Node identity = nodeService.findIdentity();
        if (identity != null && identity.getCreatedAtNodeId() != null
                && identity.getCreatedAtNodeId().equals(remoteNode.getNodeId())) {
            log.warn("Removing identity because sync has been disabled");
            nodeService.deleteIdentity();
        }
    }
    
    public void registrationRequired(Node remoteNode) {
        log.warn("Registration is required before this operation can complete");
    }
    
}