/*
 * This file is a part of EpnTAPClient.
 * This program aims to provide EPN-TAP support for software clients, like CASSIS spectrum analyzer.
 * See draft specifications: https://voparis-confluence.obspm.fr/pages/viewpage.action?pageId=559861
 * Copyright (C) 2016 Institut de Recherche en Astrophysique et Planétologie.

 *

 * 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
 * <http://www.gnu.org/licenses/>.
 */

package eu.omp.irap.vespa.epntapclient;

import java.util.HashMap;
import java.util.Map;

import java.util.logging.Level;

import java.util.logging.Logger;

import eu.omp.irap.vespa.epntapclient.service.Queries;

import eu.omp.irap.vespa.epntapclient.service.ServiceCore;

import eu.omp.irap.vespa.votable.Consts;

import eu.omp.irap.vespa.votable.controller.CantGetVOTableException;

import eu.omp.irap.vespa.votable.controller.VOTableController;

import eu.omp.irap.vespa.votable.votabledata.VOTableData;

/**

 * The main controller which manage views and controllers.

 *

 * @author N. Jourdane
 */

public class EpnTapController {

	/** The logger for the class EpnTapController. */

	private static final Logger logger = Logger.getLogger(EpnTapController.class.getName());

	/** The controller of the VOTable displaying the list of services. */

	protected VOTableController servicesCtrl;

	/** The controller of the VOTable displaying the result. */

	protected VOTableController resultsCtrl;

	/**

	 * The parameters fields for the request.
	 */

	protected Map<String, Object> paramValues = new HashMap<>();

	/**

	 * Method constructor, which initialize servicesController, resultsController and mainView.

	 */
	public EpnTapController() {

		String query = String.format(Queries.SELECT_ALL_TAP_SERVICES_WHERE_CORE,
				ServiceCore.EPNCORE);

		servicesCtrl = new VOTableController(Consts.DEFAULT_REGISTRY_URL, query);

		VOTableData data = servicesCtrl.getVOTableData();
	}

	public void readServices() {
		try {
			servicesCtrl.readTable();
		} catch (CantGetVOTableException e) {
			displayError(e);
		}
	}

	public void displayError(Exception e) {
		logger.log(Level.SEVERE, "Can not get services.", e);

	}

	public String sendQuery(String query, String tableServiceURL)

			throws CantGetVOTableException {
		resultsCtrl = new VOTableController(tableServiceURL, query);

		resultsCtrl.readTable();
		return resultsCtrl.getVOTablePath();

	}

	/**

	 * @return The controller of the VOTable which displays the result of the query.

	 */
	public VOTableController getResultsController() {

		return resultsCtrl;

	}

	/**

	 * @return The controller of the VOTable which displays the list of services.

	 */
	public VOTableController getServicesController() {

		return servicesCtrl;

	}

	public void updateParameter(String paramName, Object paramValue) {

		paramValues.put(paramName, paramValue);

	}

	public void removeParameter(String paramName) {

		paramValues.remove(paramName);

	}

	public Map<String, Object> getParamValues() {
		return paramValues;

	}

}