/*
 * Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
 * license agreements.  See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.  Crate 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.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial agreement.
 */

package org.elasticsearch.action.admin.indices.create;

import com.google.common.collect.ImmutableList;
import io.crate.integrationtests.SQLTransportIntegrationTest;
import org.elasticsearch.action.admin.indices.exists.indices.IndicesExistsResponse;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.routing.IndexShardRoutingTable;
import org.elasticsearch.common.collect.ImmutableOpenIntMap;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.indices.InvalidIndexNameException;
import org.junit.Before;
import org.junit.Test;
import org.mockito.MockitoAnnotations;

import java.util.Arrays;
import java.util.UUID;

import static org.hamcrest.Matchers.is;

public class TransportBulkCreateIndicesActionTest extends SQLTransportIntegrationTest {

    TransportBulkCreateIndicesAction action;

    @Before
    public void prepare() {
        MockitoAnnotations.initMocks(this);
        action = internalCluster().getInstance(TransportBulkCreateIndicesAction.class, internalCluster().getMasterName());
    }

    @Test
    public void testCreateBulkIndicesSimple() throws Exception {
        BulkCreateIndicesResponse response = action.execute(
            new BulkCreateIndicesRequest(Arrays.asList("index1", "index2", "index3", "index4"), UUID.randomUUID())
        ).actionGet();
        assertThat(response.isAcknowledged(), is(true));
        ensureYellow();

        IndicesExistsResponse indicesExistsResponse = cluster().client().admin()
            .indices().prepareExists("index1", "index2", "index3", "index4")
            .execute().actionGet();
        assertThat(indicesExistsResponse.isExists(), is(true));
    }

    @Test
    public void testRoutingOfIndicesIsNotOverridden() throws Exception {
        cluster().client().admin().indices()
            .prepareCreate("index_0")
            .setSettings(Settings.builder().put("number_of_shards", 1).put("number_of_replicas", 0))
            .execute().actionGet();
        ensureYellow("index_0");

        ClusterState currentState = internalCluster().clusterService().state();

        BulkCreateIndicesRequest request = new BulkCreateIndicesRequest(
            Arrays.asList("index_0", "index_1"),
            UUID.randomUUID());
        currentState = action.executeCreateIndices(currentState, request);

        ImmutableOpenIntMap<IndexShardRoutingTable> newRouting = currentState.routingTable().indicesRouting().get("index_0").getShards();
        assertTrue("[index_0][0] must be started already", newRouting.get(0).primaryShard().started());
    }

    @Test
    public void testCreateBulkIndicesIgnoreExistingSame() throws Exception {
        BulkCreateIndicesResponse response = action.execute(
            new BulkCreateIndicesRequest(Arrays.asList("index1", "index2", "index3", "index1"), UUID.randomUUID())
        ).actionGet();
        assertThat(response.isAcknowledged(), is(true));

        IndicesExistsResponse indicesExistsResponse = cluster().client().admin()
            .indices().prepareExists("index1", "index2", "index3")
            .execute().actionGet();
        assertThat(indicesExistsResponse.isExists(), is(true));

        BulkCreateIndicesResponse response2 = action.execute(
            new BulkCreateIndicesRequest(Arrays.asList("index1", "index2", "index3", "index1"), UUID.randomUUID())
        ).actionGet();
        assertThat(response2.isAcknowledged(), is(true));
    }

    @Test
    public void testEmpty() throws Exception {
        BulkCreateIndicesResponse response = action.execute(
            new BulkCreateIndicesRequest(ImmutableList.<String>of(), UUID.randomUUID())).actionGet();
        assertThat(response.isAcknowledged(), is(true));
    }

    @Test
    public void testCreateInvalidName() throws Exception {
        expectedException.expect(InvalidIndexNameException.class);
        expectedException.expectMessage("Invalid index name [invalid/#haha], must not contain the following characters [ , \", *, \\, <, |, ,, >, /, ?]");

        BulkCreateIndicesRequest bulkCreateIndicesRequest = new BulkCreateIndicesRequest(Arrays.asList("valid", "invalid/#haha"), UUID.randomUUID());
        try {
            action.execute(bulkCreateIndicesRequest).actionGet();
            fail("no exception thrown");
        } catch (Throwable t) {
            ensureYellow();
            IndicesExistsResponse indicesExistsResponse = cluster().client().admin()
                .indices().prepareExists("valid")
                .execute().actionGet();
            assertThat(indicesExistsResponse.isExists(), is(false)); // if one name is invalid no index is created
            throw t;
        }
    }
}