/*
 * 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.cluster.metadata;

import org.opensearch.Version;
import org.opensearch.common.settings.Settings;
import org.opensearch.test.OpenSearchTestCase;

import java.time.Instant;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;

import static org.opensearch.test.VersionUtils.randomVersion;

public class HumanReadableIndexSettingsTests extends OpenSearchTestCase {
    public void testHumanReadableSettings() {
        Version versionCreated = randomVersion(random());
        Version versionUpgraded = randomVersion(random());
        long created = System.currentTimeMillis();
        Settings testSettings = Settings.builder()
            .put(IndexMetadata.SETTING_VERSION_CREATED, versionCreated)
            .put(IndexMetadata.SETTING_VERSION_UPGRADED, versionUpgraded)
            .put(IndexMetadata.SETTING_CREATION_DATE, created)
            .build();

        Settings humanSettings = IndexMetadata.addHumanReadableSettings(testSettings);

        assertEquals(versionCreated.toString(), humanSettings.get(IndexMetadata.SETTING_VERSION_CREATED_STRING, null));
        assertEquals(versionUpgraded.toString(), humanSettings.get(IndexMetadata.SETTING_VERSION_UPGRADED_STRING, null));
        ZonedDateTime creationDate = ZonedDateTime.ofInstant(Instant.ofEpochMilli(created), ZoneOffset.UTC);
        assertEquals(creationDate.toString(), humanSettings.get(IndexMetadata.SETTING_CREATION_DATE_STRING, null));
    }
}