/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/

//import com.sun.star.frame.XComponentLoader;
import java.io.*;
import com.sun.star.lang.XComponent;
import com.sun.star.beans.PropertyValue;
import com.sun.star.beans.XPropertySet;
import com.sun.star.frame.XStorable;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.frame.XModel;
import com.sun.star.script.framework.runtime.XScriptContext;

// for debug only
import javax.swing.JOptionPane;

public class OfficeAttachment
{

	private StatusWindow status = null;
	private XStorable storedDoc = null;
	private File htmlFile = null;
	private File officeFile = null;
	private boolean isHtmlDoc = false;
	private boolean isOfficeDoc = false;
	private String templocationURL = "";
	private String templocationSystem = "";
	private String attachmentName = "";
	private String statusLine = "";

	public OfficeAttachment( XScriptContext xsc, StatusWindow sw, boolean html, boolean office )
	{
		status = sw;
		isHtmlDoc = html;
		isOfficeDoc = office;
		
		templocationSystem = templocationURL = System.getProperty( "user.home" );
		if( System.getProperty( "os.name" ).indexOf( "Windows" ) != -1 )
		{
			while( templocationURL.indexOf( "\\" ) != -1 )
			{
				int sepPos = templocationURL.indexOf( "\\" );
				String firstPart = templocationURL.substring( 0, sepPos );
				String lastPart = templocationURL.substring( sepPos + 1, templocationURL.length() );
				templocationURL = firstPart + "/" + lastPart;
				//JOptionPane.showMessageDialog( null, "Temp Location URL is: " + templocationURL + "\nfirstPart is: " + firstPart + "\nlastPart is: " + lastPart );
			}
		}
		
		try
		{
			statusLine = "Querying Office for current document";
			status.setStatus( 1, statusLine );
			XScriptContext scriptcontext = xsc;
			XModel xmodel = scriptcontext.getDocument();
			storedDoc = (XStorable) UnoRuntime.queryInterface(XStorable.class, xmodel);
			// find document name from storedDoc
			attachmentName = storedDoc.getLocation();
		}
		catch( Exception e )
		{
			//UNO error
			status.setStatus( 1, "Error: " + statusLine );
		}

		if( attachmentName.equalsIgnoreCase( "" ) )
		{
			attachmentName = "Attachment";
		}
		else
		{
			//int lastSep = attachmentName.lastIndexOf( System.getProperty( "file.separator" ) );
			int lastSep = attachmentName.lastIndexOf( "/" );
			attachmentName = attachmentName.substring( lastSep + 1, attachmentName.length() );
			int dot = attachmentName.indexOf( "." );
			attachmentName = attachmentName.substring( 0, dot );
		}
	}
	
	
	public boolean createTempDocs()
	{
		String filenameURL = "file:///" + templocationURL +  "/" + attachmentName;
		//String filenameSystem = templocationSystem + System.getProperty( "file.separator" ) + attachmentName;
		//JOptionPane.showMessageDialog( null, "Filename URL " + filenameURL ); 
		try
		{
			if( isHtmlDoc )
			{
				//JOptionPane.showMessageDialog( null, "Saving doc in HTML format" );
				statusLine = "Saving doc in HTML format";
				status.setStatus( 4, statusLine );
				//System.out.print( "Saving attachment as " + filename + ".html..." );
		       		PropertyValue[] propertyvalue_html = new PropertyValue[2];
			        propertyvalue_html[0] = new PropertyValue();
       		 		propertyvalue_html[0].Name = new String("Overwrite");
			        propertyvalue_html[0].Value = new Boolean(true);
		       		propertyvalue_html[1] = new PropertyValue();
			        propertyvalue_html[1].Name = ("FilterName");
//			        propertyvalue_html[1].Value = new String("scalc: HTML (StarCalc)");
			        propertyvalue_html[1].Value = new String("swriter: HTML (StarWriter)");
				storedDoc.storeAsURL( filenameURL + ".html", propertyvalue_html);

				File homedir = new File( templocationSystem );
				//JOptionPane.showMessageDialog( null, "homedir (Java File): " + homedir.getPath() );
				File homefiles[] = homedir.listFiles();
				String file = "";
				for(int i=0; i < homefiles.length; i++ )
				{
					if( homefiles[i].getName().equals( attachmentName + ".html" ) ) 
					{
						//htmlFile = new File( homefiles[i].getAbsolutePath() );						
						//JOptionPane.showMessageDialog( null, "Found HTML" );
						file = homefiles[i].getAbsolutePath();
					}
				}
				htmlFile = new File( file );
				//htmlFile = new File( filename + ".html" );
				//htmlFile = new File( storedDoc.getLocation() );
			}
		
			if( isOfficeDoc )
			{
				//JOptionPane.showMessageDialog( null, "Saving doc in .sxw format" );
				statusLine = "Saving doc in .sxw format";
				status.setStatus( 4, statusLine );
				//System.out.print( "Saving attachment as " + filename + ".sxw..." );
				PropertyValue[] propertyvalue_sxw = new PropertyValue[2];
			        propertyvalue_sxw[0] = new PropertyValue();
        			propertyvalue_sxw[0].Name = new String("Overwrite");
			        propertyvalue_sxw[0].Value = new Boolean(true);
			        propertyvalue_sxw[1] = new PropertyValue();
			        propertyvalue_sxw[1].Name = new String("Overwrite");
			        propertyvalue_sxw[1].Value = new Boolean(true);
			        storedDoc.storeAsURL( filenameURL + ".sxw", propertyvalue_sxw);

				File homedir = new File( templocationSystem );
				
				//JOptionPane.showMessageDialog( null, "homedir (Java File): " + homedir.getPath() );

                                File homefiles[] = homedir.listFiles();
				String file = "";
                                for(int i=0; i < homefiles.length; i++ )
                                {
                                        if( homefiles[i].getName().equals( attachmentName + ".sxw" ) ) 
                                        {
                                                //officeFile = new File( homefiles[i].getAbsolutePath() );     
						//JOptionPane.showMessageDialog( null, "Found .sxw" );
						file = homefiles[i].getAbsolutePath();
                                        }
                                }
				officeFile = new File( file );
				//officeFile = new File( filename + ".sxw" );
				//officeFile = new File (storedDoc.getLocation() );
			}
			
			//status.setStatus( 10, "Attachments successfully created" );

		}
		catch( SecurityException se )
		{
			status.setStatus( 4, "Error: " + statusLine );			
			System.out.println( "Security error while saving temporary Document(s). Check file permissions in home directory." );
			se.printStackTrace();
			htmlFile = null;
			officeFile = null;
			return false;
		}
		catch( Exception e )
		{
			status.setStatus( 4, "Error: " + statusLine );
			System.out.println( "Error saving temporary Document(s)" );
			e.printStackTrace();
			htmlFile = null;
			officeFile = null;
			return false;
		}
		return true;
	}

	
	public boolean removeTempDocs()
	{
		/*
		if( !htmlFile.exists() && !officeFile.exists() )
                {
			System.out.println("Error: Document(s) have not been saved." );
		}
		*/
	
		statusLine = "Removing temp docs";
		status.setStatus( 13, statusLine );
	
		try
		{	
			if( isOfficeDoc && isHtmlDoc )
			{
				//System.out.println( "Removing: " + htmlFile.getPath() + " " + officeFile.getPath() );
				//System.out.println( "htmlfile " + htmlFile.exists() + " officeFile " + officeFile.exists() );
				//JOptionPane.showMessageDialog( null, "Removing: " + htmlFile.getPath() + " " + officeFile.getPath() );
				//JOptionPane.showMessageDialog( null, "htmlfile " + htmlFile.exists() + " officeFile " + officeFile.exists() );
				htmlFile.delete();	
				officeFile.delete();
				//JOptionPane.showMessageDialog( null, "htmlfile " + htmlFile.exists() + " officeFile " + officeFile.exists() );
			}
			else
			{
				if( isOfficeDoc )
       	                	{
					//System.out.println( "Removing: " + officeFile.getPath() );
					officeFile.delete();
				}
				else
				{
					//System.out.println( "Removing: " + htmlFile.getPath() );
					htmlFile.delete();
				}
			}
		}
		catch( SecurityException se )
		{
			status.setStatus( 13, "Error: " + statusLine );
			System.out.println( "Security Error while deleting temporary Document(s). Check file permissions in home directory." );
			se.printStackTrace();
			return false;
		}
		return true;
	}


	public void cleanUpOnError()
	{
		try
		{	
			if( isOfficeDoc && isHtmlDoc )
			{
				htmlFile.delete();	
				officeFile.delete();
			}
			else
			{
				if( isOfficeDoc )
       	                	{
					officeFile.delete();
				}
				else
				{
					htmlFile.delete();
				}
			}
		}
		catch( SecurityException se )
		{
			System.out.println( "Security Error while deleting temporary Document(s). Check file permissions in home directory." );
			se.printStackTrace();
		}	
	}
	
	
	public File[] getAttachments()
	{
		/*
		if( htmlFile == null && officeFile == null )
		{
			System.out.println( "Error: Document(s) have not been saved." );
			return null;
		}
		*/
		//(officeDoc) ? (number = 2) : (number = 1);

		statusLine = "Retrieving temp docs";
		status.setStatus( 8, statusLine );
		
		File attachments[] = null;
		if( isOfficeDoc && isHtmlDoc )
		{
			attachments = new File[2];
			attachments[0] = htmlFile;
			attachments[1] = officeFile;
		}
		else
		{
			if( isOfficeDoc )
			{
				attachments = new File[1];
				attachments[0] = officeFile;
			}
			else
			{
				attachments = new File[1];
				attachments[0] = htmlFile;
			}
		}
		
		return attachments;
	}


	public boolean isHtmlAttachment()
	{
		return isHtmlDoc;
	}


	public boolean isOfficeAttachment()
	{
		return isOfficeDoc;
	}

}