/*
 * Hibernate Search, full-text search for your domain model
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.search.elasticsearch.settings.impl.model;

import java.util.Map;

import com.google.gson.GsonBuilder;
import com.google.gson.annotations.SerializedName;

/**
 * Settings for an Elasticsearch index.
 *
 * @author Yoann Rodiere
 */
public class IndexSettings {

	private Analysis analysis;

	public Analysis getAnalysis() {
		return analysis;
	}

	public void setAnalysis(Analysis analysis) {
		this.analysis = analysis;
	}

	public boolean isEmpty() {
		return analysis == null || analysis.isEmpty();
	}

	@Override
	public String toString() {
		return new GsonBuilder().setPrettyPrinting().create().toJson( this );
	}

	public static class Analysis {

		@SerializedName("analyzer")
		private Map<String, AnalyzerDefinition> analyzers;

		@SerializedName("tokenizer")
		private Map<String, TokenizerDefinition> tokenizers;

		@SerializedName("filter")
		private Map<String, TokenFilterDefinition> tokenFilters;

		@SerializedName("char_filter")
		private Map<String, CharFilterDefinition> charFilters;

		public Map<String, AnalyzerDefinition> getAnalyzers() {
			return analyzers;
		}

		public boolean isEmpty() {
			return ! hasContent( analyzers, tokenizers, tokenFilters, charFilters );
		}

		private boolean hasContent(Map<?, ?> ... maps) {
			for ( Map<?, ?> map : maps ) {
				if ( map != null && !map.isEmpty() ) {
					return true;
				}
			}
			return false;
		}

		public void setAnalyzers(Map<String, AnalyzerDefinition> analyzers) {
			this.analyzers = analyzers;
		}

		public Map<String, TokenizerDefinition> getTokenizers() {
			return tokenizers;
		}

		public void setTokenizers(Map<String, TokenizerDefinition> tokenizers) {
			this.tokenizers = tokenizers;
		}

		public Map<String, TokenFilterDefinition> getTokenFilters() {
			return tokenFilters;
		}

		public void setTokenFilters(Map<String, TokenFilterDefinition> tokenFilters) {
			this.tokenFilters = tokenFilters;
		}

		public Map<String, CharFilterDefinition> getCharFilters() {
			return charFilters;
		}

		public void setCharFilters(Map<String, CharFilterDefinition> charFilters) {
			this.charFilters = charFilters;
		}

		@Override
		public String toString() {
			return new GsonBuilder().setPrettyPrinting().create().toJson( this );
		}
	}

}