/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Standalone UI

 *

*/

package com.nokia.tools.themeinstaller.ui;

import java.io.File;

import java.io.IOException;

import com.nokia.tools.themeinstaller.installationmanager.IInstallationListener;

import com.nokia.tools.themeinstaller.installationmanager.InstallationManager;

import com.nokia.tools.themeinstaller.installationmanager.InstallationParameters;

import com.nokia.tools.themeinstaller.installationmanager.Lock;

import com.nokia.tools.themeinstaller.installationmanager.ProgressEvent;

import com.nokia.tools.themeinstaller.logger.LogWriter;

public class ThemeInstaller

    {

    // CONSTANTS

    // Error message prefix

    private final static String ERROR_PREFIX = "*** ERROR: ";

    // Usage instructions

    private final static String USAGE =

        "\nUSAGE: ThemeInstaller manifest_file [destination_dir] [-option_1] [-option_n]\n" +

        "\nOptions:" +

        "\n    -loc:<loc_settings_filename.xml>   Enable localisation enhancements" +

        "\n    -prop:<properties_filename.prop>   Use external properties file instead of the default one" +

        "\n    -log:<path>                        Path for log file" +

        "\n    -log                               If no path given, the log is printed to console\n"; 

        //"\n    -fixDTD                            Use if tool should attempt to fix errors in dtd\n";

    // Command line options

    private final static String OPTION_PREFIX = "-";

    private final static String LOC_OPTION = "loc:";

    private final static String PROP_OPTION = "prop:";

    private final static String LOG_PATH_OPTION = "log:";

    private final static String LOG_PATH_OPTION_NO_PATH = "log";

    private final static String FIX_INVALID_DTD_PARAMS = "fixDTD";

    // Lock object for waiting the install to complete

    private Lock iLock;

    // Manifest file

    protected String iManifest;

    // Destination directory

    protected String iDestination;

    // Localisation settings file

    protected String iLocSettings;

    // External properties file

    protected String iPropertiesFile;

    // Logging directory

    protected String iLogDir;

    /**

     * Application entry point

     * @param aArgs application arguments

     */

    public static void main( String[] aArgs )

        {

        ThemeInstaller instance = new ThemeInstaller();

        instance.install( aArgs );

        }

    /**

     * Constructor.

     */

    protected ThemeInstaller()

        {

        iLock = new Lock();

        }

    /**

     * Starts the installation process. Parses the arguments before

     * staring the installation.

     * @param aArgs Application arguments

     */

    protected void install( String[] aArgs )

        {

        try

            {

            parseArgs( aArgs );

            }

        catch( IllegalArgumentException iae )

            {

            //System.out.println( ERROR_PREFIX + iae.getMessage() ); 

        	System.out.println("ThemeInstaller version 2.0.0");

        	System.out.println("Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved");

            System.out.println("");

        	System.out.println( USAGE );

            return;

            }

        catch ( IOException e )

            {

            System.out.println( ERROR_PREFIX + e.getMessage() );

            }

        try

            {

            doInstall();

            }

        catch ( Exception e )

            {

            String error = ERROR_PREFIX + "Installation failed: "

                    + e.getMessage();

            if ( !LogWriter.getInstance().inConsoleMode() )

                {

                System.out.println( error );

                }

            LogWriter.getInstance().logSevere( error );

            }

        finally

            {

            LogWriter.closeInstance();

            }

        }

    /**

     * Execute the installation

     * @param aManifest theme manifest file name

     * @param aDestination destination directory

     * @throws Exception if installation fails

     */

    protected void doInstall() throws Exception

        {

        InstallationParameters params = new InstallationParameters(

                new File( iManifest ), new File( iDestination ) );

        LogWriter.getInstance().logInfo( "Starting Installer" );

        LogWriter.getInstance().logInfo( "Manifest file : " + iManifest );

        LogWriter.getInstance().logInfo( "Destination directory : " + iDestination );

        if( iLocSettings != null )

            {

            params.setLocSettings( new File( iLocSettings ) );

            LogWriter.getInstance().logInfo( "Settings file : " + params.getLocSettings().getPath() );

            }

        if( iPropertiesFile != null )

            {

            params.setPropFile( new File ( iPropertiesFile ) );

            LogWriter.getInstance().logInfo( "Properties file : " + params.getPropFile().getPath() );

            }

        IInstallationListener listener = new IInstallationListener()

            {

            public void installationCompleted( ProgressEvent aEvent )

                {

                if( aEvent.getError() == IInstallationListener.NO_ERROR )

                    {

                    if ( !LogWriter.getInstance().inConsoleMode() )

                        {

                        System.out.println( "Installation done." );

                        }

                    LogWriter.getInstance().logInfo( "Installation done" );

                    }

                else

                    {

                    String error = ERROR_PREFIX

                                + "Installation failed, error: "

                                + aEvent.getError() + ", "

                                + aEvent.getMessage();

                    if ( !LogWriter.getInstance().inConsoleMode() )

                            {

                            System.out.println( error );

                            }

                        LogWriter.getInstance().logSevere( error );

                        }

                // release lock

                iLock.unLock();

                }

            public void installationProgress( ProgressEvent aEvent )

                {

                if( aEvent.getState() == IInstallationListener.STATE_PARSED )

                    {

                		String message = "Resource files parsing done,";

                		if( aEvent.getError() != IInstallationListener.NO_ERROR ) {

                			message += " error: " + aEvent.getError() + ",";

                		}

                		message +=  " theme: "

                        + aEvent.getName() + ", language: "

                        + aEvent.getLanguage();

                    if ( !LogWriter.getInstance().inConsoleMode() )

                        {

                        System.out.println( message );

                        }

                    LogWriter.getInstance().logInfo( message );

                    }

                else if ( aEvent.getState() == IInstallationListener.STATE_WRITED )

                    {

                    String message = "Installed ODT: "

                            + aEvent.getFileName();

                    if ( !LogWriter.getInstance().inConsoleMode() )

                        {

                        System.out.println( message );

                        }

                    LogWriter.getInstance().logInfo( message );

                    }

                }

            };

        InstallationManager i = new InstallationManager( params, listener );

        i.startInstallation();

        // wait for finalization

        iLock.lock();

        }

    /**

     * Parse command line arguments.

     * @param aArgs Command line arguments

     * @throws IllegalArgumentException if mandatory command line parameters

     * are not defined

     * @throws IOException Signals that an I/O exception has occurred.

     */

    protected void parseArgs( String[] aArgs ) throws IllegalArgumentException,

            IOException

        {

        // Print usage information if mandatory arguments were not specified

        if( aArgs.length == 0 )

            {

            throw new IllegalArgumentException( "No command line arguments" );

            }

        // Resolve manifest file name and destination directory

        iManifest = aArgs[ 0 ];

        if( aArgs.length > 1 &&

            !aArgs[ 1 ].startsWith( OPTION_PREFIX ) )

            {

            iDestination = aArgs[ 1 ];

            }

        else

            {

            // If no destination directory is specified, use the current dir

            iDestination = System.getProperty( "user.dir" );

            }

        // Parse the options

        for( int i = 1; i < aArgs.length; i++ )

            {

        	//fix DTD

        	String opt = OPTION_PREFIX + FIX_INVALID_DTD_PARAMS;

        	if ( aArgs[ i ].toLowerCase().startsWith( opt.toLowerCase() )) {

        		InstallationManager.setFixDTD(true);

        	}

            // Localisation settings

            opt = OPTION_PREFIX + LOC_OPTION;

            if( aArgs[ i ].startsWith( opt ) )

                {

                iLocSettings = aArgs[ i ].substring( opt.length() );

                if( iLocSettings.length() == 0 )

                    {

                    throw new IllegalArgumentException( "No localisation settings file defined with the option" );

                    }

                }

            // External properties file

            opt = OPTION_PREFIX + PROP_OPTION;

            if( aArgs[ i ].startsWith( opt ) )

                {

                iPropertiesFile = aArgs[ i ].substring( opt.length() );

                if( iPropertiesFile.length() == 0 )

                    {

                    throw new IllegalArgumentException( "No external properties file name defined with the option" );

                    }

                }

            // Logging without path (option "-log")

            opt = OPTION_PREFIX + LOG_PATH_OPTION_NO_PATH;

            if ( aArgs[ i ].equals( opt ) )

                {

                // No logging file defined

                LogWriter.initialize( null );

                }

            // Logging with path or with option "-log:"

            opt = OPTION_PREFIX + LOG_PATH_OPTION;

            if ( aArgs[ i ].startsWith( opt ) )

                {

                iLogDir = aArgs[ i ].substring( opt.length() );

                if ( iLogDir.length() == 0 )

                    {

                    // No logging file defined

                    LogWriter.initialize( null );

                    }

                else

                    {

                    LogWriter.initialize( new File( iLogDir ) );

                    }

                }

            }

        }

    }