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

package org.opensearch.action.search;

import org.opensearch.core.index.Index;
import org.opensearch.core.index.shard.ShardId;
import org.opensearch.test.OpenSearchTestCase;
import org.opensearch.test.EqualsHashCodeTestUtils;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class SearchShardTests extends OpenSearchTestCase {

    public void testEqualsAndHashcode() {
        String index = randomAlphaOfLengthBetween(5, 10);
        SearchShard searchShard = new SearchShard(
            randomBoolean() ? null : randomAlphaOfLengthBetween(3, 10),
            new ShardId(index, index + "-uuid", randomIntBetween(0, 1024))
        );
        EqualsHashCodeTestUtils.checkEqualsAndHashCode(searchShard, s -> new SearchShard(s.getClusterAlias(), s.getShardId()), s -> {
            if (randomBoolean()) {
                return new SearchShard(s.getClusterAlias() == null ? randomAlphaOfLengthBetween(3, 10) : null, s.getShardId());
            } else {
                String indexName = s.getShardId().getIndexName();
                int shardId = s.getShardId().getId();
                if (randomBoolean()) {
                    indexName += randomAlphaOfLength(5);
                } else {
                    shardId += randomIntBetween(1, 1024);
                }
                return new SearchShard(s.getClusterAlias(), new ShardId(indexName, indexName + "-uuid", shardId));
            }
        });
    }

    public void testCompareTo() {
        List<SearchShard> searchShards = new ArrayList<>();
        Index index0 = new Index("index0", "index0-uuid");
        Index index1 = new Index("index1", "index1-uuid");
        searchShards.add(new SearchShard(null, new ShardId(index0, 0)));
        searchShards.add(new SearchShard(null, new ShardId(index1, 0)));
        searchShards.add(new SearchShard(null, new ShardId(index0, 1)));
        searchShards.add(new SearchShard(null, new ShardId(index1, 1)));
        searchShards.add(new SearchShard(null, new ShardId(index0, 2)));
        searchShards.add(new SearchShard(null, new ShardId(index1, 2)));
        searchShards.add(new SearchShard("", new ShardId(index0, 0)));
        searchShards.add(new SearchShard("", new ShardId(index1, 0)));
        searchShards.add(new SearchShard("", new ShardId(index0, 1)));
        searchShards.add(new SearchShard("", new ShardId(index1, 1)));

        searchShards.add(new SearchShard("remote0", new ShardId(index0, 0)));
        searchShards.add(new SearchShard("remote0", new ShardId(index1, 0)));
        searchShards.add(new SearchShard("remote0", new ShardId(index0, 1)));
        searchShards.add(new SearchShard("remote0", new ShardId(index0, 2)));
        searchShards.add(new SearchShard("remote1", new ShardId(index0, 0)));
        searchShards.add(new SearchShard("remote1", new ShardId(index1, 0)));
        searchShards.add(new SearchShard("remote1", new ShardId(index0, 1)));
        searchShards.add(new SearchShard("remote1", new ShardId(index1, 1)));

        List<SearchShard> sorted = new ArrayList<>(searchShards);
        Collections.sort(sorted);
        assertEquals(searchShards, sorted);
    }
}