/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the "Elastic License
 * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
 * Public License v 1"; you may not use this file except in compliance with, at
 * your election, the "Elastic License 2.0", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

package org.elasticsearch.index.query;

import org.apache.lucene.document.LatLonDocValuesField;
import org.apache.lucene.document.LatLonPoint;
import org.apache.lucene.geo.GeoEncodingUtils;
import org.apache.lucene.search.IndexOrDocValuesQuery;
import org.apache.lucene.search.MatchNoDocsQuery;
import org.apache.lucene.search.Query;
import org.elasticsearch.index.mapper.GeoPointFieldMapper;
import org.elasticsearch.index.mapper.MappedFieldType;
import org.elasticsearch.search.geo.GeoDistanceQueryBuilderTestCase;

import java.io.IOException;

@SuppressWarnings("checkstyle:MissingJavadocMethod")
public class GeoDistanceQueryBuilderGeoPointTests extends GeoDistanceQueryBuilderTestCase {

    @Override
    protected String getFieldName() {
        return randomFrom(GEO_POINT_FIELD_NAME, GEO_POINT_ALIAS_FIELD_NAME);
    }

    @Override
    protected void doAssertLuceneQuery(GeoDistanceQueryBuilder queryBuilder, Query query, SearchExecutionContext context)
        throws IOException {
        final MappedFieldType fieldType = context.getFieldType(queryBuilder.fieldName());
        if (fieldType == null) {
            assertTrue("Found no indexed geo query.", query instanceof MatchNoDocsQuery);
        }
        assertEquals(GeoPointFieldMapper.GeoPointFieldType.class, fieldType.getClass());
        assertEquals(IndexOrDocValuesQuery.class, query.getClass());
        Query indexQuery = ((IndexOrDocValuesQuery) query).getIndexQuery();
        String expectedFieldName = expectedFieldName(queryBuilder.fieldName());
        double qLat = GeoEncodingUtils.decodeLatitude(GeoEncodingUtils.encodeLatitude(queryBuilder.point().lat()));
        double qLon = GeoEncodingUtils.decodeLongitude(GeoEncodingUtils.encodeLongitude(queryBuilder.point().lon()));
        assertEquals(LatLonPoint.newDistanceQuery(expectedFieldName, qLat, qLon, queryBuilder.distance()), indexQuery);
        Query dvQuery = ((IndexOrDocValuesQuery) query).getRandomAccessQuery();
        assertEquals(LatLonDocValuesField.newSlowDistanceQuery(expectedFieldName, qLat, qLon, queryBuilder.distance()), dvQuery);
    }
}