/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.elasticsearch.action.update;

import org.elasticsearch.action.ActionWriteResponse;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.index.get.GetResult;

import java.io.IOException;

/**
 */
public class UpdateResponse extends ActionWriteResponse {

    private String index;
    private String id;
    private String type;
    private long version;
    private boolean created;
    private GetResult getResult;

    public UpdateResponse() {
    }

    /**
     * Constructor to be used when a update didn't translate in a write.
     * For example: update script with operation set to none
     */
    public UpdateResponse(String index, String type, String id, long version, boolean created) {
        this(new ShardInfo(0, 0), index, type, id, version, created);
    }

    public UpdateResponse(ShardInfo shardInfo, String index, String type, String id, long version, boolean created) {
        setShardInfo(shardInfo);
        this.index = index;
        this.id = id;
        this.type = type;
        this.version = version;
        this.created = created;
    }

    /**
     * The index the document was indexed into.
     */
    public String getIndex() {
        return this.index;
    }

    /**
     * The type of the document indexed.
     */
    public String getType() {
        return this.type;
    }

    /**
     * The id of the document indexed.
     */
    public String getId() {
        return this.id;
    }

    /**
     * Returns the current version of the doc indexed.
     */
    public long getVersion() {
        return this.version;
    }

    public void setGetResult(GetResult getResult) {
        this.getResult = getResult;
    }

    public GetResult getGetResult() {
        return this.getResult;
    }

    /**
     * Returns true if document was created due to an UPSERT operation
     */
    public boolean isCreated() {
        return this.created;

    }

    @Override
    public void readFrom(StreamInput in) throws IOException {
        super.readFrom(in);
        index = in.readString();
        type = in.readString();
        id = in.readString();
        version = in.readLong();
        created = in.readBoolean();
        if (in.readBoolean()) {
            getResult = GetResult.readGetResult(in);
        }
    }

    @Override
    public void writeTo(StreamOutput out) throws IOException {
        super.writeTo(out);
        out.writeString(index);
        out.writeString(type);
        out.writeString(id);
        out.writeLong(version);
        out.writeBoolean(created);
        if (getResult == null) {
            out.writeBoolean(false);
        } else {
            out.writeBoolean(true);
            getResult.writeTo(out);
        }
    }
}