package org.eparapher.rcp;

import org.apache.log4j.Logger;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.application.ActionBarAdvisor;
import org.eclipse.ui.application.IActionBarConfigurer;
import org.eclipse.ui.application.IWorkbenchWindowConfigurer;
import org.eclipse.ui.application.WorkbenchWindowAdvisor;
import org.eparapher.core.EParapherManager;
import org.eparapher.core.crypto.EPCryptoProviderManager;
import org.eparapher.core.crypto.EPKeystoreManager;
import org.eparapher.core.crypto.JCEPolicyDetection;
import org.eparapher.core.tools.JVMSettings;
import org.eparapher.core.tools.OODaemonManager;
import org.eparapher.rcp.tools.RCPGUI;
import org.eparapher.rcp.tools.RCPSettings;
import org.eparapher.rcp.tools.eParapherTools;
import org.eparapher.rcp.tray.TrayIconManager;


public class ApplicationWorkbenchWindowAdvisor extends WorkbenchWindowAdvisor {

	private static Logger log = Logger.getLogger(ApplicationWorkbenchWindowAdvisor.class);

	private TrayIconManager trayIcon;
	private EPKeystoreManager epkeystoremgr;

	private boolean inittks;
	
    public ApplicationWorkbenchWindowAdvisor(IWorkbenchWindowConfigurer configurer) {
        super(configurer);
        EPReferences.getInstance().setAppadvisor(this);
    }

    public ActionBarAdvisor createActionBarAdvisor(IActionBarConfigurer configurer) {
        return new ApplicationActionBarAdvisor(configurer);
    }
    
    public void preWindowOpen() {
    	
        IWorkbenchWindowConfigurer configurer = getWindowConfigurer();
        configurer.setInitialSize(new Point(1024,768));
        configurer.setShowCoolBar(true);
        configurer.setShowProgressIndicator(true);
        configurer.setShowPerspectiveBar(true);
        configurer.setShowStatusLine(true);
        configurer.setShowMenuBar(true);
        configurer.setShowFastViewBars(false);
        configurer.setTitle("eParapher");

        //Setting eParapher Core Settings and UI
        EParapherManager.getInstance().setUI(new RCPGUI());
        EParapherManager.getInstance().setSettings(new RCPSettings());
        
        EPReferences.getInstance().setWindowConfigurer(getWindowConfigurer());
    	
        trayIcon = new TrayIconManager(getWindowConfigurer());
        
		// initialize Crypto providers
        EPCryptoProviderManager.initCryptoProviders();
        
        //initialize Crypto providers and Keystores
        epkeystoremgr = EPKeystoreManager.getInstance();
        inittks = epkeystoremgr.initTrustKeystore();

    }

	public void postWindowOpen() {

		//test JCE Unlimited Crypto
        if (!JCEPolicyDetection.QuickJCEPolicyTest())
        	EParapherManager.getInstance().getUI().warnMessage("The Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files has not been applied on the JRE/JDK.\r\nPlease Download it and install it if you want to use strong cryptograpy algorithms and/or keys.");

		// Setting status line
		EPReferences.getInstance().setStatusline(getWindowConfigurer().getActionBarConfigurer().getStatusLineManager());
		
        //Initialize the PDF Image in eParapher directory
        eParapherTools.createSignatureImage();
        
        if (!JVMSettings.isJava16Min())
        	RCPGUI.infoMessage("Java 1.5 limitation", "XML digital signatures are not avalaible with Java 1.5");

		//Start tracking thread for PKCS11 devices
		epkeystoremgr.startTrackingThread();
		
    	//Start OpenOffice if needed
    	if ( EParapherManager.getInstance().getSettings().useLocalOpenOffice() &&
    		 EParapherManager.getInstance().getSettings().isOpenOfficeAutostart() ) {
				try {
					OODaemonManager.getInstance().start();
				} catch (Exception e) {
					EParapherManager.getInstance().getUI().errorMessage("Could not start OpenOffice Deamon for PDF convertion",e);
				}
    	}
    	//execute files setted in command line
    	EPReferences.getInstance().getRcpsingleton().executeCommandsFromCommandLine(null);
    	
    	EPReferences.getInstance().getStatusline().setMessage(null, "eParapher is ready");
	}

	  /*
	   * (non-Javadoc)
	   * 
	   * @see org.eclipse.ui.application.WorkbenchWindowAdvisor#postWindowCreate()
	   */
	  public void postWindowCreate() {
		  trayIcon.StartupFinished();
	  }
	 
	/**
	 * Hide the main window but stay in system tray
	 */
	public boolean preWindowShellClose() {
		getWindowConfigurer().getWindow().getShell().setVisible(false);
		return false;
	}

	@Override
	public void postWindowClose() {
		super.postWindowClose();
    	if (EParapherManager.getInstance().getSettings().isOpenOfficeAutostart())
    		OODaemonManager.getInstance().stop();
	}

	public TrayIconManager getTrayIcon() {
		return trayIcon;
	}
	/* Call from new instances.
	 * 
	 * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event) 
	 */  
	public void handleEvent(Event event, String message) {
		
		Shell workbenchWindowShell = getWindowConfigurer().getWindow().getShell();
		workbenchWindowShell.setVisible(true);
		workbenchWindowShell.setActive();
		workbenchWindowShell.setFocus();
		workbenchWindowShell.setMinimized(true);
		
		String[] args = message.split("\\r\\n");
		EPReferences.getInstance().getRcpsingleton().executeCommandsFromCommandLine(args);
		
	}

}