/*
 * License Agreement for OpenSearchServer
 * <p>
 * Copyright (C) 2011-2017 Emmanuel Keller / Jaeksoft
 * <p>
 * http://www.open-search-server.com
 * <p>
 * This file is part of OpenSearchServer.
 * <p>
 * OpenSearchServer is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * <p>
 * OpenSearchServer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * <p>
 * You should have received a copy of the GNU General Public License
 * along with OpenSearchServer.
 * If not, see <http://www.gnu.org/licenses/>.
 */

package com.jaeksoft.searchlib.webservice.query.document;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.jaeksoft.searchlib.index.FieldContent;
import com.jaeksoft.searchlib.index.IndexDocument;
import com.jaeksoft.searchlib.schema.FieldValue;
import com.jaeksoft.searchlib.schema.FieldValueItem;
import org.json.JSONException;
import org.json.JSONObject;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import java.util.ArrayList;
import java.util.List;

@XmlAccessorType(XmlAccessType.PUBLIC_MEMBER)
@JsonInclude(Include.NON_NULL)
public class FieldValueList {

	@XmlElement(name = "name")
	@JsonProperty("fieldName")
	public final String fieldName;

	@XmlElement(name = "value")
	@JsonProperty("values")
	public final ArrayList<String> values;

	public FieldValueList() {
		fieldName = null;
		values = null;
	}

	public FieldValueList(FieldValue fieldValue) {
		this.fieldName = fieldValue.getName();
		List<FieldValueItem> valueList = fieldValue.getValueList();
		values = new ArrayList<String>(valueList == null ? 0 : valueList.size());
		if (valueList != null)
			for (FieldValueItem item : fieldValue.getValueList())
				values.add(item.getValue());
	}

	protected FieldValueList(String fieldName) {
		this.fieldName = fieldName;
		values = new ArrayList<String>(1);
	}

	public FieldValueList(FieldContent fieldContent) {
		this.fieldName = fieldContent.getField();
		List<FieldValueItem> vals = fieldContent.getValues();
		if (vals != null) {
			values = new ArrayList<String>(1);
			for (FieldValueItem val : vals)
				values.add(val.value);
		} else
			values = null;
	}

	public static final void addFieldValue(JSONObject json, List<FieldValueList> list) throws JSONException {
		if (!json.has("value"))
			return;
		String fieldName = json.getString("name");
		String value = json.getString("value");
		for (FieldValueList fieldValueList : list)
			if (fieldValueList.fieldName.equals(fieldName)) {
				fieldValueList.values.add(value);
				return;
			}
		FieldValueList fieldValueList = new FieldValueList(fieldName);
		fieldValueList.values.add(value);
		list.add(fieldValueList);
	}

	public static final FieldValueList getField(List<? extends FieldValueList> fields, String name) {
		for (FieldValueList field : fields)
			if (name.equals(field.fieldName))
				return field;
		return null;
	}

	public static final ArrayList<FieldValueList> getNewList(IndexDocument indexDocument) {
		if (indexDocument == null)
			return null;
		ArrayList<FieldValueList> fields = new ArrayList<FieldValueList>();
		for (FieldContent fieldContent : indexDocument)
			fields.add(new FieldValueList(fieldContent));
		return fields;
	}
}
