package org.apache.solr.search;

/*
 * 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.
 */

import org.apache.lucene.analysis.CachingTokenFilter;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.index.memory.MemoryIndex;
import org.apache.solr.SolrTestCaseJ4;
import org.apache.solr.common.SolrException;
import org.apache.solr.common.params.FacetParams;
import org.apache.solr.common.params.ModifiableSolrParams;
import org.apache.solr.request.SolrQueryRequest;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

//Unlike TestSolr4Spatial, not parameterized / not generic.
public class TestSolr4Spatial2 extends SolrTestCaseJ4 {

  @BeforeClass
  public static void beforeClass() throws Exception {
    initCore("solrconfig-spatial.xml", "schema-spatial.xml");
  }

  @Override
  @Before
  public void setUp() throws Exception {
    super.setUp();
    clearIndex();
  }

  @Test
  public void testBBox() throws Exception {
    String fieldName = random().nextBoolean() ? "bbox" : "bboxD_dynamic";
    assertU(adoc("id", "0"));//nothing
    assertU(adoc("id", "1", fieldName, "ENVELOPE(-10, 20, 15, 10)"));
    assertU(adoc("id", "2", fieldName, "ENVELOPE(22, 22, 10, 10)"));//pt
    assertU(commit());

    assertJQ(req("q", "{!field f="+fieldName+" filter=false score=overlapRatio " +
                "queryTargetProportion=0.25}" +
                "Intersects(ENVELOPE(10,25,12,10))",
            "fl", "*,score",
            "debug", "results"),//explain info
        "/response/docs/[0]/id=='2'",
        "/response/docs/[0]/score==0.75]",
        "/response/docs/[1]/id=='1'",
        "/response/docs/[1]/score==0.26666668]",
        "/response/docs/[2]/id=='0'",
        "/response/docs/[2]/score==0.0",

        "/response/docs/[1]/" + fieldName + "=='ENVELOPE(-10, 20, 15, 10)'"//stored value
        );

    //minSideLength with point query
    assertJQ(req("q", "{!field f="+fieldName+" filter=false score=overlapRatio " +
                "queryTargetProportion=0.5 minSideLength=1}" +
                "Intersects(ENVELOPE(0,0,12,12))",//pt
            "fl", "id,score",
            "debug", "results"),//explain info
        "/response/docs/[0]/id=='1'",
        "/response/docs/[0]/score==0.50333333]"//just over 0.5
    );

    //area2D
    assertJQ(req("q", "{!field f=" + fieldName + " filter=false score=area2D}" +
                "Intersects(ENVELOPE(0,0,12,12))",//pt
            "fl", "id,score",
            "debug", "results"),//explain info
        "/response/docs/[0]/id=='1'",
        "/response/docs/[0]/score==" + (30f * 5f) + "]"//150
    );
    //area (not 2D)
    assertJQ(req("q", "{!field f=" + fieldName + " filter=false score=area}" +
                "Intersects(ENVELOPE(0,0,12,12))",//pt
            "fl", "id,score",
            "debug", "results"),//explain info
        "/response/docs/[0]/id=='1'",
        "/response/docs/[0]/score==" + 146.39793f + "]"//a bit less than 150
    );
  }

  @Test
  public void testBadScoreParam() throws Exception {
    String fieldName = "bbox";
    assertQEx("expect friendly error message",
        "area2D",
        req("{!field f=" + fieldName + " filter=false score=bogus}Intersects(ENVELOPE(0,0,12,12))"),
        SolrException.ErrorCode.BAD_REQUEST);
  }

  @Test
  public void testRptWithGeometryField() throws Exception {
    String fieldName = "srptgeom"; //note: fails with "srpt_geohash" because it's not as precise
    assertU(adoc("id", "0", fieldName, "ENVELOPE(-10, 20, 15, 10)"));
    assertU(adoc("id", "1", fieldName, "BUFFER(POINT(-10 15), 5)"));//circle at top-left corner
    assertU(optimize());// one segment.
    assertU(commit());

    // Search to the edge but not quite touching the indexed envelope of id=0.  It requires geom validation to
    //  eliminate id=0.  id=1 is found and doesn't require validation.  cache=false means no query cache.
    final SolrQueryRequest sameReq = req(
        "q", "{!cache=false field f=" + fieldName + "}Intersects(ENVELOPE(-20, -10.0001, 30, 15.0001))",
        "sort", "id asc");
    assertJQ(sameReq, "/response/numFound==1", "/response/docs/[0]/id=='1'");

    // The tricky thing is verifying the cache works correctly...

    SolrCache cache = (SolrCache) h.getCore().getInfoRegistry().get("perSegSpatialFieldCache_srptgeom");
    assertEquals("1", cache.getStatistics().get("cumulative_inserts").toString());
    assertEquals("0", cache.getStatistics().get("cumulative_hits").toString());

    // Repeat the query earlier
    assertJQ(sameReq, "/response/numFound==1", "/response/docs/[0]/id=='1'");
    assertEquals("1", cache.getStatistics().get("cumulative_hits").toString());

    assertEquals("1 segment",
        1, getSearcher().getRawReader().leaves().size());
    // Get key of first leaf reader -- this one contains the match for sure.
    Object leafKey1 = getFirstLeafReaderKey();

    // add new segment
    assertU(adoc("id", "3"));

    assertU(commit()); // sometimes merges (to one seg), sometimes won't

    // can still find the same document
    assertJQ(sameReq, "/response/numFound==1", "/response/docs/[0]/id=='1'");

    // When there are new segments, we accumulate another hit. This tests the cache was not blown away on commit.
    // Checking equality for the first reader's cache key indicates wether the cache should still be valid.
    Object leafKey2 = getFirstLeafReaderKey();
    assertEquals(leafKey1.equals(leafKey2) ? "2" : "1", cache.getStatistics().get("cumulative_hits").toString());


    // Now try to see if heatmaps work:
    assertJQ(req("q", "*:*", "facet", "true", FacetParams.FACET_HEATMAP, fieldName, "json.nl", "map"),
        "/facet_counts/facet_heatmaps/" + fieldName + "/minX==-180.0");

  }

  protected SolrIndexSearcher getSearcher() {
    // neat trick; needn't deal with the hassle RefCounted
    return (SolrIndexSearcher) h.getCore().getInfoRegistry().get("searcher");
  }


  protected Object getFirstLeafReaderKey() {
    return getSearcher().getRawReader().leaves().get(0).reader().getCoreCacheKey();
  }

  @Test// SOLR-8541
  public void testConstantScoreQueryWithFilterPartOnly() {
    final String[] doc1 = {"id", "1", "srptgeom", "56.9485,24.0980"};
    assertU(adoc(doc1));
    assertU(commit());

    ModifiableSolrParams params = new ModifiableSolrParams();
    params.add("q", "{!geofilt sfield=\"srptgeom\" pt=\"56.9484,24.0981\" d=100}");
    params.add("hl", "true");
    params.add("hl.fl", "srptgeom");
    assertQ(req(params), "*[count(//doc)=1]", "count(//lst[@name='highlighting']/*)=1");
  }

}