/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * The OpenSearch Contributors require contributions made to
 * this file be licensed under the Apache-2.0 license or a
 * compatible open source license.
 */

/*
 * 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.
 */
/*
 * Modifications Copyright OpenSearch Contributors. See
 * GitHub history for details.
 */

package org.opensearch.snapshots;

import org.opensearch.action.ActionRequestValidationException;
import org.opensearch.action.support.clustermanager.ClusterManagerNodeRequest;
import org.opensearch.cluster.SnapshotsInProgress;
import org.opensearch.core.common.io.stream.StreamInput;
import org.opensearch.core.common.io.stream.StreamOutput;
import org.opensearch.common.unit.TimeValue;
import org.opensearch.core.index.shard.ShardId;

import java.io.IOException;
import java.util.Objects;

/**
 * Internal request that is used to send changes in snapshot status to master
 *
 * @opensearch.internal
 */
public class UpdateIndexShardSnapshotStatusRequest extends ClusterManagerNodeRequest<UpdateIndexShardSnapshotStatusRequest> {
    private final Snapshot snapshot;
    private final ShardId shardId;
    private final SnapshotsInProgress.ShardSnapshotStatus status;

    public UpdateIndexShardSnapshotStatusRequest(StreamInput in) throws IOException {
        super(in);
        snapshot = new Snapshot(in);
        shardId = new ShardId(in);
        status = SnapshotsInProgress.ShardSnapshotStatus.readFrom(in);
    }

    public UpdateIndexShardSnapshotStatusRequest(Snapshot snapshot, ShardId shardId, SnapshotsInProgress.ShardSnapshotStatus status) {
        this.snapshot = snapshot;
        this.shardId = shardId;
        this.status = status;
        // By default, we keep trying to post snapshot status messages to avoid snapshot processes getting stuck.
        this.clusterManagerNodeTimeout = TimeValue.timeValueNanos(Long.MAX_VALUE);
    }

    @Override
    public ActionRequestValidationException validate() {
        return null;
    }

    @Override
    public void writeTo(StreamOutput out) throws IOException {
        super.writeTo(out);
        snapshot.writeTo(out);
        shardId.writeTo(out);
        status.writeTo(out);
    }

    public Snapshot snapshot() {
        return snapshot;
    }

    public ShardId shardId() {
        return shardId;
    }

    public SnapshotsInProgress.ShardSnapshotStatus status() {
        return status;
    }

    @Override
    public String toString() {
        return snapshot + ", shardId [" + shardId + "], status [" + status.state() + "]";
    }

    @Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        final UpdateIndexShardSnapshotStatusRequest that = (UpdateIndexShardSnapshotStatusRequest) o;
        return snapshot.equals(that.snapshot) && shardId.equals(that.shardId) && status.equals(that.status);
    }

    @Override
    public int hashCode() {
        return Objects.hash(snapshot, shardId, status);
    }
}