/* 
GeoGebra - Dynamic Mathematics for Everyone
http://www.geogebra.org

This file is part of GeoGebra.

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.

 */

package geogebra;

import java.awt.Frame;
import java.awt.Toolkit;
import java.net.URL;

public class GeoGebra extends Object {

	// GeoGebra version
	public static final String BUILD_DATE = "10 January 2012";
	public static final String VERSION_STRING = "4.0.19.0";
	public static final String SPLASH_STRING = "splash40.png";
	public static final String PREFERENCES_ROOT = "/geogebra40";
	public static final String SHORT_VERSION_STRING = "4.0"; // used for online
																// archive
	public static final boolean CAS_VIEW_ENABLED = false;
	public static final boolean IS_PRE_RELEASE = !VERSION_STRING.endsWith(".0");

    public static final String DEBIAN_VERSION_STRING = GeoGebraDebian.DEBIAN_VERSION_STRING;

	// File format versions
	public static final String XML_FILE_FORMAT = "4.0";
	public static final String GGB_XSD_FILENAME = "ggb.xsd"; // for ggb files
	public static final String GGT_XSD_FILENAME = "ggt.xsd"; // for macro files
	public static final String I2G_FILE_FORMAT = "0.1.20080731";

	// pre-releases and I2G
	public static final boolean DISABLE_I2G = !IS_PRE_RELEASE;

	// URLs
	public final static String GEOGEBRA_ONLINE_ARCHIVE_BASE = "http://www.geogebra.org/webstart/"
			+ SHORT_VERSION_STRING + "/";
	public final static String GEOGEBRA_ONLINE_WEBSTART_BASE = "http://www.geogebra.org/webstart/"
			+ SHORT_VERSION_STRING + "/";
	public final static String GEOGEBRA_ONLINE_WEBSTART_BASE_ALTERNATIVE = "http://jars.geogebra.org/webstart/"
			+ SHORT_VERSION_STRING + "/";
	public static final String LOADING_GIF = "http://www.geogebra.org/webstart/loading.gif";
	public final static String GEOGEBRA_WEBSITE = "http://www.geogebra.org/";
	public final static String HELP_URL = GEOGEBRA_WEBSITE + "help";
	public final static String GEOGEBRATUBE_WEBSITE = "http://www.geogebratube.org/";

	// max possible heap space for applets in MB
	public final static int MAX_HEAP_SPACE = 512;

	public static Frame splashFrame = null;

	public static void main(String[] cmdArgs) {
		CommandLineArguments args = new CommandLineArguments(cmdArgs);

		boolean showSplash = true;
		if (!args.getBooleanValue("showSplash", true)) {
			showSplash = false;
		}

		if (args.containsArg("help") || args.containsArg("v")) {
			showSplash = false;
		}

		if (args.containsArg("regressionFile")) {
			showSplash = false;
		}

		if (showSplash) {
			// Show splash screen
			URL imageURL = GeoGebra.class.getResource("/geogebra/" + SPLASH_STRING);
			if (imageURL != null) {
				splashFrame = SplashWindow.splash(Toolkit.getDefaultToolkit().createImage(imageURL));
			} else {
				System.err.println("Splash image not found");
			}
		}

		// Start GeoGebra
		try {
			startGeoGebra(args);
		} catch (Throwable e) {
			e.printStackTrace();
			System.err.flush();
			System.exit(10);
		}

		// Hide splash screen
		if (splashFrame != null) {
			splashFrame.setVisible(false);
		}
	}

	private static void startGeoGebra(CommandLineArguments args) {
		// create and open first GeoGebra window
		geogebra.gui.app.GeoGebraFrame.main(args);
	}

}