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/*

 * gvSIG. Desktop Geographic Information System.

 * 

 * Copyright (C) 2007-2020 gvSIG Association.

 * 

 * This program 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.

 * 

 * This program 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.

 * 

 * You should have received a copy of the GNU General Public License 

 * along with this program. If not, see <https://www.gnu.org/licenses/>. 

 * 

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.vcsgis.lib.server.handlers;

import java.io.IOException;

import java.io.InputStream;

import java.io.Writer;

import java.util.Map;

import javax.json.JsonObject;

import javax.json.JsonReader;

import org.apache.commons.io.IOUtils;

import org.apache.commons.lang3.mutable.MutableObject;

import org.gvsig.json.Json;

import org.gvsig.json.JsonObjectBuilder;

import static org.gvsig.vcsgis.lib.VCSGisUtils.ENTITY_CODE;

import static org.gvsig.vcsgis.lib.VCSGisUtils.ENTITY_NAME;

import static org.gvsig.vcsgis.lib.VCSGisUtils.ENTITY_REVISIONCODE;

import org.gvsig.vcsgis.lib.repository.VCSGisRepository;

import org.gvsig.vcsgis.lib.repository.requests.VCSGisRequest;

import org.gvsig.vcsgis.lib.repository.requests.VCSGisRowUpdateRequest;

import static org.gvsig.vcsgis.lib.server.handlers.AbstractVCSGisServertHandler.LOGGER;

/**

 *

 * @author gvSIG Team

 */

@SuppressWarnings("UseSpecificCatch")

public class RowUpdateHandler extends AbstractVCSGisServertHandler {

    private static final String REQUEST_NAME = "RowUpdate";

    public RowUpdateHandler(VCSGisRepository repository) {

        super(repository, REQUEST_NAME);

    }

    @Override

    protected void requestProducer(MutableObject<VCSGisRequest>req,Map<String,String> params, InputStream request_contents) throws IOException {

        LOGGER.debug("===: ["+this.getName()+"] requestProducer 1");

        JsonReader reader = Json.createReader(request_contents);

        JsonObject jsonRequest = reader.readObject();

        String entityName = jsonRequest.getString("EntityName");

        String localRevisionCode = jsonRequest.getString("LocalRevisionCode");

        VCSGisRowUpdateRequest request = this.getRepository().createRowUpdateRequest(entityName, localRevisionCode);

        request.setAuthenticationTokenAndUser(params);

        request.setEfectiveDate(jsonRequest.getString("EfectiveDate", null));

        request.setComment(jsonRequest.getString("Comment", null));

        request.setData(jsonRequest.getString("Data", null));

        req.setValue(request);

        LOGGER.debug("===: ["+this.getName()+"] requestProducer 2 notifyRequestConsumers");

        notifyRequestConsumers();

        LOGGER.debug("===: ["+this.getName()+"] requestProducer 3 return");

    }

    @Override

    protected void responseProducer(VCSGisRequest req, Writer response_contents) throws IOException {

        LOGGER.debug("===: ["+this.getName()+"] responseProducer 1");

        final VCSGisRowUpdateRequest request = (VCSGisRowUpdateRequest) req;

        try {

            JsonObjectBuilder jsonbuilder = Json.createObjectBuilder();

            jsonbuilder.add("StatusCode", request.getLastErrorCode());

            jsonbuilder.add("StatusMessage", request.getLastErrorMessage());

            jsonbuilder.add(ENTITY_NAME, request.getEntityName());

            jsonbuilder.add(ENTITY_CODE, request.getEntityCode());

            jsonbuilder.add(ENTITY_REVISIONCODE, request.getEntityRevisionCode());

            LOGGER.debug("===: ["+this.getName()+"] responseProducer 2 notifyResponseConsumers");

            notifyResponseConsumers();

            LOGGER.debug("===: ["+this.getName()+"] responseProducer 3 write json to response");

            IOUtils.write(jsonbuilder.toString(), response_contents);

            LOGGER.debug("===: ["+this.getName()+"] responseProducer 4 flush");

            response_contents.flush();

            LOGGER.debug("===: ["+this.getName()+"] responseProducer 5 return");

        } catch (Exception ex) {

            LOGGER.warn("Can't produce Json data for "+this.getName()+" response.",ex);

        } finally {

            LOGGER.debug("===: ["+this.getName()+"] responseProducer  6 close response_contents");

            IOUtils.closeQuietly(response_contents);

            LOGGER.debug("===: ["+this.getName()+"] responseProducer  7");

        }

    }

}