/*
 * 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.votable;

import java.util.logging.Level;
import java.util.logging.Logger;

import javax.swing.JFrame;
import javax.swing.SwingUtilities;

import com.google.gson.Gson;

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

/**
 * Simple class to have a main function to display a voTable from a XML file.
 *
 * @author N. Jourdane
 */
public class VOTableApp {
	/** The logger for the class VOTableApp. */
	static final Logger logger = Logger.getLogger(VOTableApp.class.getName());

	/** Private constructor to hide the implicit public one. */
	private VOTableApp() {
	}

	/**
	 * Main function to start the application as standalone.
	 *
	 * <pre>
	 * **Usage 1**: `VOtableApp pathToVOTable`
	 * Display the VOTable stored in the specified XML file.
	 * - `pathToVOTable`: The path to an XML file representing a VOtable;
	 *
	 * **Usage 2**: `VOtableApp targetURL type language query`
	 * Display the VOTable resulting the service or registry request.
	 * - `targetURL`: The URL of the service or registry to ask, ie `http://cdpp-epntap.cesr.fr`;
	 * - `language`: The language of the query, ie `ADQL`;
	 * - `query`: The query in the specified language in double quotes, ie. `"SELECT * FROM amdadb.epn_core"`
	 * </pre>
	 *
	 * @param args The program arguments
	 */
	public static void main(final String[] args) {
		SwingUtilities.invokeLater(new Runnable() {
			@Override
			public void run() {
				// TODO: Add option to export to CSV and HTML in CLI.
				VOTableController voTableControl;
				VOTableApp.logger
						.info("Lauching VOTable app with arguments:\n  " + new Gson().toJson(args));
				if (args.length == 1) {
					try {
						voTableControl = new VOTableController(args[0]);
					} catch (VOTableException e) {
						System.console().writer().println("Error: " + e.getMessage());
						VOTableApp.logger.log(Level.WARNING, e.getMessage(), e);
						return;
					}
				} else if (args.length == 3) {
					voTableControl = new VOTableController(args[0], args[1], args[2]);
				} else {
					System.console().writer().println("Usage: VOtableApp path/to/VOTable.xml\n"
							+ "OR: VOtableApp http://url.to.service/or/registry type language \"YOUR QUERY\"");
					return;
				}

				JFrame frame = new JFrame(args[0]);
				frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
				frame.setContentPane(voTableControl.getView());
				frame.setVisible(true);
				frame.setSize(800, 600);
				frame.setLocationRelativeTo(null);
			}
		});
	}
}