/*
 * 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.jackrabbit.oak.plugins.index.lucene;

import org.apache.jackrabbit.oak.plugins.index.search.IndexLookup;
import org.apache.jackrabbit.oak.query.index.FilterImpl;
import org.apache.jackrabbit.oak.spi.query.Filter;
import org.apache.jackrabbit.oak.spi.state.NodeBuilder;
import org.apache.jackrabbit.oak.spi.state.NodeState;
import org.junit.Test;

import java.util.Set;

import static javax.jcr.PropertyType.TYPENAME_STRING;
import static org.apache.jackrabbit.oak.plugins.index.IndexConstants.INDEX_DEFINITIONS_NAME;
import static org.apache.jackrabbit.oak.plugins.index.lucene.util.LuceneIndexHelper.newLuceneIndexDefinition;
import static org.apache.jackrabbit.oak.InitialContentHelper.INITIAL_CONTENT;
import static org.junit.Assert.assertEquals;

public class LuceneIndexLookupTest {
    private final NodeState root = INITIAL_CONTENT;

    private final NodeBuilder builder = root.builder();

    @Test
    public void collectPathOnRootNode() {
        NodeBuilder index = builder.child(INDEX_DEFINITIONS_NAME);
        newLuceneIndexDefinition(index, "l1", Set.of(TYPENAME_STRING));
        newLuceneIndexDefinition(index, "l2", Set.of(TYPENAME_STRING));

        IndexLookup lookup = LuceneIndexLookupUtil.getLuceneIndexLookup(builder.getNodeState());
        FilterImpl f = FilterImpl.newTestInstance();
        f.restrictPath("/", Filter.PathRestriction.EXACT);
        assertEquals(Set.of("/oak:index/l1", "/oak:index/l2"),
            lookup.collectIndexNodePaths(f));
    }

    @Test
    public void collectPathOnSubNode() {
        NodeBuilder index = builder.child(INDEX_DEFINITIONS_NAME);
        newLuceneIndexDefinition(index, "l1", Set.of(TYPENAME_STRING));

        index = builder.child("a").child(INDEX_DEFINITIONS_NAME);
        newLuceneIndexDefinition(index, "l2", Set.of(TYPENAME_STRING));

        index = builder.child("a").child("b").child(INDEX_DEFINITIONS_NAME);
        newLuceneIndexDefinition(index, "l3", Set.of(TYPENAME_STRING));

        IndexLookup lookup = LuceneIndexLookupUtil.getLuceneIndexLookup(builder.getNodeState());
        FilterImpl f = FilterImpl.newTestInstance();
        f.restrictPath("/a", Filter.PathRestriction.EXACT);
        assertEquals(Set.of("/oak:index/l1", "/a/oak:index/l2"),
            lookup.collectIndexNodePaths(f));

        f.restrictPath("/a/b", Filter.PathRestriction.EXACT);
        assertEquals(Set.of("/oak:index/l1", "/a/oak:index/l2", "/a/b/oak:index/l3"),
            lookup.collectIndexNodePaths(f));
    }
}
