/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * The OpenSearch Contributors require contributions made to
 * this file be licensed under the Apache-2.0 license or a
 * compatible open source license.
 */

/*
 * Licensed to Elasticsearch under one or more contributor
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 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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
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/*
 * Modifications Copyright OpenSearch Contributors. See
 * GitHub history for details.
 */

package org.opensearch.index.mapper;

import org.apache.lucene.index.IndexOptions;
import org.apache.lucene.index.IndexableField;
import org.apache.lucene.util.BytesRef;
import org.opensearch.index.mapper.ParseContext.Document;

import static org.opensearch.test.StreamsUtils.copyToStringFromClasspath;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.notNullValue;

public class DynamicTemplatesTests extends MapperServiceTestCase {

    public void testMatchTypeOnly() throws Exception {
        MapperService mapperService = createMapperService(topMapping(b -> {
            b.startArray("dynamic_templates");
            {
                b.startObject();
                {
                    b.startObject("test");
                    {
                        b.field("match_mapping_type", "string");
                        b.startObject("mapping").field("index", false).endObject();
                    }
                    b.endObject();
                }
                b.endObject();
            }
            b.endArray();
        }));
        DocumentMapper docMapper = mapperService.documentMapper();
        ParsedDocument parsedDoc = docMapper.parse(source(b -> {
            b.field("s", "hello");
            b.field("l", 1);
        }));
        merge(mapperService, dynamicMapping(parsedDoc.dynamicMappingsUpdate()));

        assertThat(mapperService.fieldType("s"), notNullValue());
        assertFalse(mapperService.fieldType("s").isSearchable());

        assertThat(mapperService.fieldType("l"), notNullValue());
        assertTrue(mapperService.fieldType("l").isSearchable());
    }

    public void testSimple() throws Exception {
        String mapping = copyToStringFromClasspath("/org/opensearch/index/mapper/dynamictemplate/simple/test-mapping.json");
        MapperService mapperService = createMapperService("_doc", mapping);
        String docJson = copyToStringFromClasspath("/org/opensearch/index/mapper/dynamictemplate/simple/test-data.json");
        ParsedDocument parsedDoc = mapperService.documentMapper().parse(source(docJson));

        merge(mapperService, dynamicMapping(parsedDoc.dynamicMappingsUpdate()));
        Document doc = parsedDoc.rootDoc();

        IndexableField f = doc.getField("name");
        assertThat(f.name(), equalTo("name"));
        assertThat(f.binaryValue(), equalTo(new BytesRef("some name")));
        assertNotSame(IndexOptions.NONE, f.fieldType().indexOptions());
        assertThat(f.fieldType().tokenized(), equalTo(false));

        Mapper fieldMapper = mapperService.documentMapper().mappers().getMapper("name");
        assertNotNull(fieldMapper);

        f = doc.getField("multi1");
        assertThat(f.name(), equalTo("multi1"));
        assertThat(f.stringValue(), equalTo("multi 1"));
        assertNotSame(IndexOptions.NONE, f.fieldType().indexOptions());
        assertThat(f.fieldType().tokenized(), equalTo(true));

        fieldMapper = mapperService.documentMapper().mappers().getMapper("multi1");
        assertNotNull(fieldMapper);

        f = doc.getField("multi1.org");
        assertThat(f.name(), equalTo("multi1.org"));
        assertThat(f.binaryValue(), equalTo(new BytesRef("multi 1")));
        assertNotSame(IndexOptions.NONE, f.fieldType().indexOptions());
        assertThat(f.fieldType().tokenized(), equalTo(false));

        fieldMapper = mapperService.documentMapper().mappers().getMapper("multi1.org");
        assertNotNull(fieldMapper);

        f = doc.getField("multi2");
        assertThat(f.name(), equalTo("multi2"));
        assertThat(f.stringValue(), equalTo("multi 2"));
        assertNotSame(IndexOptions.NONE, f.fieldType().indexOptions());
        assertThat(f.fieldType().tokenized(), equalTo(true));

        fieldMapper = mapperService.documentMapper().mappers().getMapper("multi2");
        assertNotNull(fieldMapper);

        f = doc.getField("multi2.org");
        assertThat(f.name(), equalTo("multi2.org"));
        assertThat(f.binaryValue(), equalTo(new BytesRef("multi 2")));
        assertNotSame(IndexOptions.NONE, f.fieldType().indexOptions());
        assertThat(f.fieldType().tokenized(), equalTo(false));

        fieldMapper = mapperService.documentMapper().mappers().getMapper("multi2.org");
        assertNotNull(fieldMapper);
    }

    public void testSimpleWithXContentTraverse() throws Exception {
        String mapping = copyToStringFromClasspath("/org/opensearch/index/mapper/dynamictemplate/simple/test-mapping.json");
        MapperService mapperService = createMapperService("_doc", mapping);
        String docJson = copyToStringFromClasspath("/org/opensearch/index/mapper/dynamictemplate/simple/test-data.json");
        ParsedDocument parsedDoc = mapperService.documentMapper().parse(source(docJson));

        merge(mapperService, dynamicMapping(parsedDoc.dynamicMappingsUpdate()));
        Document doc = parsedDoc.rootDoc();

        IndexableField f = doc.getField("name");
        assertThat(f.name(), equalTo("name"));
        assertThat(f.binaryValue(), equalTo(new BytesRef("some name")));
        assertNotSame(IndexOptions.NONE, f.fieldType().indexOptions());
        assertThat(f.fieldType().tokenized(), equalTo(false));

        Mapper fieldMapper = mapperService.documentMapper().mappers().getMapper("name");
        assertNotNull(fieldMapper);

        f = doc.getField("multi1");
        assertThat(f.name(), equalTo("multi1"));
        assertThat(f.stringValue(), equalTo("multi 1"));
        assertNotSame(IndexOptions.NONE, f.fieldType().indexOptions());
        assertThat(f.fieldType().tokenized(), equalTo(true));

        fieldMapper = mapperService.documentMapper().mappers().getMapper("multi1");
        assertNotNull(fieldMapper);

        f = doc.getField("multi1.org");
        assertThat(f.name(), equalTo("multi1.org"));
        assertThat(f.binaryValue(), equalTo(new BytesRef("multi 1")));
        assertNotSame(IndexOptions.NONE, f.fieldType().indexOptions());
        assertThat(f.fieldType().tokenized(), equalTo(false));

        fieldMapper = mapperService.documentMapper().mappers().getMapper("multi1.org");
        assertNotNull(fieldMapper);

        f = doc.getField("multi2");
        assertThat(f.name(), equalTo("multi2"));
        assertThat(f.stringValue(), equalTo("multi 2"));
        assertNotSame(IndexOptions.NONE, f.fieldType().indexOptions());
        assertThat(f.fieldType().tokenized(), equalTo(true));

        fieldMapper = mapperService.documentMapper().mappers().getMapper("multi2");
        assertNotNull(fieldMapper);

        f = doc.getField("multi2.org");
        assertThat(f.name(), equalTo("multi2.org"));
        assertThat(f.binaryValue(), equalTo(new BytesRef("multi 2")));
        assertNotSame(IndexOptions.NONE, f.fieldType().indexOptions());
        assertThat(f.fieldType().tokenized(), equalTo(false));

        fieldMapper = mapperService.documentMapper().mappers().getMapper("multi2.org");
        assertNotNull(fieldMapper);
    }
}