/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.apache.maven.index;

import java.io.File;
import java.io.IOException;

import org.apache.lucene.search.Query;
import org.apache.maven.index.expr.SourcedSearchExpression;
import org.apache.maven.index.search.grouping.GAGrouping;
import org.junit.Test;

import static org.junit.Assert.assertEquals;

public class Mindexer14HitLimitTest extends AbstractNexusIndexerTest {
    protected File repo = new File(getBasedir(), "target/repo/mindexer14");

    @Override
    protected void prepareNexusIndexer(NexusIndexer nexusIndexer) throws Exception {
        repo.mkdirs();

        context = nexusIndexer.addIndexingContext("mindexer14", "mindexer14", repo, indexDir, null, null, MIN_CREATORS);

        nexusIndexer.scan(context, false);
    }

    protected void createDummyAis(final String gid, final String aid, final int count) throws IOException {
        int version = 0;

        for (int i = 0; i < count; i++) {
            final ArtifactInfo ai = new ArtifactInfo("mindexer14", gid, aid, String.valueOf(version++), null, "jar");

            final ArtifactContext ac = new ArtifactContext(null, null, null, ai, ai.calculateGav());

            nexusIndexer.addArtifactToIndex(ac, context);
        }
    }

    @Test
    public void testFlatSearchTotalHitsLie1k() throws Exception {
        createDummyAis("org.test", "mindexer14", 1010);

        Query query = nexusIndexer.constructQuery(MAVEN.GROUP_ID, new SourcedSearchExpression("org.test"));

        FlatSearchRequest request = new FlatSearchRequest(query);

        FlatSearchResponse response = nexusIndexer.searchFlat(request);

        assertEquals(1010, response.getTotalHitsCount());

        response.close();
    }

    @Test
    public void testFlatSearchUnlimited() throws Exception {
        createDummyAis("org.test", "mindexer14", 1010);

        Query query = nexusIndexer.constructQuery(MAVEN.GROUP_ID, new SourcedSearchExpression("org.test"));

        FlatSearchRequest request = new FlatSearchRequest(query);

        FlatSearchResponse response = nexusIndexer.searchFlat(request);

        assertEquals(1010, response.getTotalHitsCount());
        assertEquals(1010, response.getReturnedHitsCount());
        assertEquals(1010, response.getResults().size());

        response.close();
    }

    @Test
    public void testFlatSearchLimited() throws Exception {
        createDummyAis("org.test", "mindexer14", 1010);

        Query query = nexusIndexer.constructQuery(MAVEN.GROUP_ID, new SourcedSearchExpression("org.test"));

        FlatSearchRequest request = new FlatSearchRequest(query);
        request.setCount(234);

        FlatSearchResponse response = nexusIndexer.searchFlat(request);

        assertEquals(1010, response.getTotalHitsCount());
        assertEquals(234, response.getReturnedHitsCount());
        assertEquals(234, response.getResults().size());

        response.close();
    }

    @Test
    public void testGroupedSearchTotalHitsLie1k() throws Exception {
        createDummyAis("org.test", "mindexer14", 1010);

        Query query = nexusIndexer.constructQuery(MAVEN.GROUP_ID, new SourcedSearchExpression("org.test"));

        GroupedSearchRequest request = new GroupedSearchRequest(query, new GAGrouping());

        GroupedSearchResponse response = nexusIndexer.searchGrouped(request);

        assertEquals(1010, response.getTotalHitsCount());
        // in case of GroupedSearch, grouping is the one that defines count
        // we have 1010 dummies with same GA, and GA grouping, hence count is 1 just like the map has 1 entry
        assertEquals(1, response.getReturnedHitsCount());
        assertEquals(1, response.getResults().size());

        response.close();
    }

    @Test
    public void testIteratorSearchTotalHitsLie1k() throws Exception {
        createDummyAis("org.test", "mindexer14", 1010);

        Query query = nexusIndexer.constructQuery(MAVEN.GROUP_ID, new SourcedSearchExpression("org.test"));

        IteratorSearchRequest request = new IteratorSearchRequest(query);

        IteratorSearchResponse response = nexusIndexer.searchIterator(request);

        assertEquals(1010, response.getTotalHitsCount());

        response.close();
    }
}
