/*  Copyright (C) 2003-2011 JabRef contributors.
    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 2 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, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package net.sf.jabref.sql;

import net.sf.jabref.BaseAction;
import net.sf.jabref.BasePanel;
import net.sf.jabref.Util;
import net.sf.jabref.Globals;
import net.sf.jabref.sql.exporter.DBExporter;

import javax.swing.*;
import java.sql.Connection;
import java.awt.event.ActionEvent;

/**
 * Created by IntelliJ IDEA. User: alver Date: Mar 27, 2008 Time: 6:05:13 PM To
 * change this template use File | Settings | File Templates.
 * 
 * Jan 20th Adjusted to accomodate changes on SQL Exporter module by ifsteinm
 * 
 */
public class DbConnectAction extends BaseAction {
	private BasePanel panel;

	public DbConnectAction(BasePanel panel) {
		this.panel = panel;
	}

	public AbstractAction getAction() {
		return new DbImpAction();
	}

	class DbImpAction extends AbstractAction {
		public void actionPerformed(ActionEvent e) {
			action();

		}
	}

	public void action() {

		DBStrings dbs = panel.metaData().getDBStrings();

		// init DB strings if necessary
		if (!dbs.isInitialized()) {
			dbs.initialize();
		}

		// show connection dialog
		DBConnectDialog dbd = new DBConnectDialog(panel.frame(), dbs);
		Util.placeDialog(dbd, panel);
		dbd.setVisible(true);

		// connnect to database to test DBStrings
		if (dbd.getConnectToDB()) {

			dbs = dbd.getDBStrings();

			try {

				panel.frame().output(
						Globals.lang("Establishing SQL connection..."));
				DBExporter exporter = (new DBExporterAndImporterFactory())
						.getExporter(dbs.getServerType());
				Connection conn = exporter.connectToDB(dbs);
				conn.close();
				dbs.isConfigValid(true);
				panel.frame().output(
						Globals.lang("SQL connection established."));
			} catch (Exception ex) {
				String errorMessage = SQLUtil.getExceptionMessage(ex);
				dbs.isConfigValid(false);

				String preamble = "Could not connect to SQL database for the following reason:";
				panel.frame().output(
						Globals.lang(preamble) + "  " + errorMessage);

				JOptionPane.showMessageDialog(panel.frame(),
						Globals.lang(preamble) + "\n" + errorMessage,
						Globals.lang("Connect to SQL database"),
						JOptionPane.ERROR_MESSAGE);
			} finally {
				panel.metaData().setDBStrings(dbs);
				dbd.dispose();
			}
		}
	}
}