/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * 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
 * specific language governing permissions and limitations
 * under the License.
 */

package org.elasticsearch.index.mapper.core;

import org.elasticsearch.Version;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.inject.Injector;
import org.elasticsearch.common.inject.ModulesBuilder;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.settings.SettingsModule;
import org.elasticsearch.env.Environment;
import org.elasticsearch.env.EnvironmentModule;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.IndexNameModule;
import org.elasticsearch.index.analysis.AnalysisModule;
import org.elasticsearch.index.analysis.AnalysisService;
import org.elasticsearch.index.mapper.MapperService;
import org.elasticsearch.index.mapper.array.DynamicArrayFieldMapperBuilderFactoryProvider;
import org.elasticsearch.index.settings.IndexSettingsModule;
import org.elasticsearch.index.similarity.SimilarityLookupService;
import org.elasticsearch.indices.IndicesModule;
import org.elasticsearch.indices.analysis.IndicesAnalysisService;
import org.elasticsearch.indices.mapper.MapperRegistry;

import java.nio.file.Path;


public class MapperTestUtils {

    public static MapperService newMapperService(Path tempDir, Settings indexSettings) {
        IndicesModule indicesModule = new IndicesModule();
        return newMapperService(tempDir, indexSettings, indicesModule);
    }

    public static MapperService newMapperService(Path tempDir, Settings indexSettings, IndicesModule indicesModule) {
        Settings.Builder settingsBuilder = Settings.builder()
            .put("path.home", tempDir)
            .put(indexSettings);
        if (indexSettings.get(IndexMetaData.SETTING_VERSION_CREATED) == null) {
            settingsBuilder.put(IndexMetaData.SETTING_VERSION_CREATED, Version.CURRENT);
        }
        Settings settings = settingsBuilder.build();
        MapperRegistry mapperRegistry = indicesModule.getMapperRegistry();
        return new MapperService(new Index("test"),
            settings,
            newAnalysisService(settings),
            newSimilarityLookupService(settings),
            null,
            mapperRegistry,
            new DynamicArrayFieldMapperBuilderFactoryProvider());
    }

    private static AnalysisService newAnalysisService(Settings indexSettings) {
        Injector parentInjector = new ModulesBuilder().add(new SettingsModule(indexSettings), new EnvironmentModule(new Environment(indexSettings))).createInjector();
        Index index = new Index("test");
        Injector injector = new ModulesBuilder().add(
            new IndexSettingsModule(index, indexSettings),
            new IndexNameModule(index),
            new AnalysisModule(indexSettings, parentInjector.getInstance(IndicesAnalysisService.class))).createChildInjector(parentInjector);

        return injector.getInstance(AnalysisService.class);
    }

    private static SimilarityLookupService newSimilarityLookupService(Settings indexSettings) {
        return new SimilarityLookupService(new Index("test"), indexSettings);
    }
}