/**
 * 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.model;

import java.io.Serializable;
import java.util.List;
import java.util.Map;

/**
 * Indicates the status of an attempt to transport data from or to a remove
 * node.
 */
public class RemoteNodeStatus implements Serializable {

    private static final long serialVersionUID = 1L;

    public static enum Status {
        OFFLINE, BUSY, NOT_AUTHORIZED, REGISTRATION_REQUIRED, SYNC_DISABLED, NO_DATA, DATA_PROCESSED, DATA_ERROR, UNKNOWN_ERROR
    };

    private String nodeId;
    private String channelId;
    private Status status;
    private long dataProcessed;
    private long batchesProcessed;
    private long reloadBatchesProcessed;
    private boolean complete = false;
    
    // TODO for the time being this needs to support multiple channels (until everything supports parallel channels)
    private Map<String, Channel> channels;

    public RemoteNodeStatus(String nodeId, String channelId, Map<String, Channel> channels) {
        this.status = Status.NO_DATA;
        this.channelId = channelId;
        this.nodeId = nodeId;
        this.channels = channels;
    }

    public RemoteNodeStatus(String nodeId, Map<String, Channel> channels) {
        this(nodeId, null, channels);
    }
    
    public boolean failed() {
        return status != Status.NO_DATA && status != Status.DATA_PROCESSED;
    }
    
    public String getChannelId() {
        return channelId;
    }

    public String getNodeId() {
        return nodeId;
    }

    public Status getStatus() {
        return status;
    }

    public void setStatus(Status status) {
        this.status = status;
    }

    public long getDataProcessed() {
        return dataProcessed;
    }

    public long getBatchesProcessed() {
        return batchesProcessed;
    }
    
    public long getReloadBatchesProcessed() {
        return reloadBatchesProcessed;
    }

    public void updateIncomingStatus(List<IncomingBatch> incomingBatches) {
        if (incomingBatches != null) {
            for (IncomingBatch incomingBatch : incomingBatches) {
                dataProcessed += incomingBatch.getStatementCount();
                batchesProcessed++;
                if (incomingBatch.getStatus() == org.jumpmind.symmetric.model.IncomingBatch.Status.ER) {
                    status = Status.DATA_ERROR;
                }
            }
        }

        if (status != Status.DATA_ERROR && dataProcessed > 0) {
            status = Status.DATA_PROCESSED;
        }
    }

    public void updateOutgoingStatus(List<OutgoingBatch> outgoingBatches, List<BatchAck> batches) {
        if (batches != null) {
            for (BatchAck batch : batches) {
                if (batch.getStatus() == OutgoingBatch.Status.ER) {
                    status = Status.DATA_ERROR;
                }
            }
        }
        
        if (outgoingBatches != null) {
            for (OutgoingBatch batch : outgoingBatches) {
                batchesProcessed++;
                dataProcessed += batch.totalEventCount();
                Channel channel = channels.get(batch.getChannelId());
                if (channel != null && channel.isReloadFlag()) {
                    reloadBatchesProcessed++;
                }
                
                if (batch.getStatus() == OutgoingBatch.Status.ER) {
                    status = Status.DATA_ERROR;
                }
            }
        }

        if (status != Status.DATA_ERROR && dataProcessed > 0) {
            status = Status.DATA_PROCESSED;
        }
    }
    
    public void setComplete(boolean complete) {
        this.complete = complete;
    }
    
    public boolean isComplete() {
        return complete;
    }

}