/*
 * Utils.java
 *
 * Created on October 12, 2007, 9:39 AM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package utils;

import beans.Utilizador;
import com.evolute.utils.Singleton;
import com.evolute.utils.error.ErrorLogger;
import com.sun.rave.web.ui.component.DropDown;
import com.sun.rave.web.ui.model.Option;
import db.providers.AnalisesDataProvider;
import db.providers.EstatisticasDataProvider;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.faces.context.ExternalContext;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpSession;

/**
 *
 * @author lluis
 */
public class Utils {
    
    /** Creates a new instance of Utils */
    public Utils() {
    }
    
	public static String unicodeToHTML( String text )
	{
		if( text == null || text.length() < 6 )
		{
			return text;
		}

		String output = text;
		output = output.replaceAll( "\\\\u0009", " " );
		output = output.replaceAll( "\\\\u000a", "<br>" );

		output = output.replaceAll( "\\\\u00a0", "&nbsp;" );
		output = output.replaceAll( "\\\\u00aa", "&ordf;" );
		output = output.replaceAll( "\\\\u00ba", "&ordm;" );

		output = output.replaceAll( "\\\\u00c0", "À" );
		output = output.replaceAll( "\\\\u00c1", "Á" );
		output = output.replaceAll( "\\\\u00c2", "Â" );
		output = output.replaceAll( "\\\\u00c3", "Ã" );
		output = output.replaceAll( "\\\\u00c7", "Ç" );
		output = output.replaceAll( "\\\\u00c8", "È" );
		output = output.replaceAll( "\\\\u00c9", "É" );
		output = output.replaceAll( "\\\\u00d3", "Ó" );
		output = output.replaceAll( "\\\\u00d2", "Ò" );                                
                
		output = output.replaceAll( "\\\\u00ca", "Ê" );
		output = output.replaceAll( "\\\\u00cc", "Ì" );
		output = output.replaceAll( "\\\\u00cd", "Í" );
		output = output.replaceAll( "\\\\u00ce", "Î" );
		output = output.replaceAll( "\\\\u00d2", "ò" );
		output = output.replaceAll( "\\\\u00d3", "ó" );
		output = output.replaceAll( "\\\\u00d4", "ô" );
		output = output.replaceAll( "\\\\u00d5", "õ" );
		output = output.replaceAll( "\\\\u00d9", "Ù" );
		output = output.replaceAll( "\\\\u00da", "Ú" );
		output = output.replaceAll( "\\\\u00db", "Û" );

		output = output.replaceAll( "\\\\u00e0", "à" );
		output = output.replaceAll( "\\\\u00e1", "á" );
		output = output.replaceAll( "\\\\u00e2", "â" );
		output = output.replaceAll( "\\\\u00e3", "ã" );
		output = output.replaceAll( "\\\\u00e7", "ç" );
		output = output.replaceAll( "\\\\u00e8", "è" );
		output = output.replaceAll( "\\\\u00e9", "é" );
		output = output.replaceAll( "\\\\u00ea", "ê" );
		output = output.replaceAll( "\\\\u00ec", "ì" );
		output = output.replaceAll( "\\\\u00ed", "í" );
		output = output.replaceAll( "\\\\u00ee", "î" );
		output = output.replaceAll( "\\\\u00f2", "ò" );
		output = output.replaceAll( "\\\\u00f3", "ó" );
		output = output.replaceAll( "\\\\u00f4", "ô" );
		output = output.replaceAll( "\\\\u00f5", "õ" );
		output = output.replaceAll( "\\\\u00f9", "ù" );
		output = output.replaceAll( "\\\\u00fa", "ú" );
		output = output.replaceAll( "\\\\u00fb", "û" );

		output = output.replaceAll( "\\\\u0153", "&#156;" );

		output = output.replaceAll( "\\\\u2013", "-" );
		output = output.replaceAll( "\\\\u2014", "-" );
		output = output.replaceAll( "\\\\u2018|\\\\u2019", "'" );
		output = output.replaceAll( "\\\\u201c|\\\\u201d", "\"" );

		output = output.replaceAll( "\\\\u2022", "*" );
		output = output.replaceAll( "\\\\u2026", "..." );

		return output;
	} 
        
	public static String textToUnicode( String text )
        {
		String output = text;    
                
		output = output.replaceAll( "À", "\\\\\\\\\\\\\\\\u00c0" );
		output = output.replaceAll( "Á", "\\\\\\\\\\\\\\\\u00c1" );
		output = output.replaceAll( "Â", "\\\\\\\\\\\\\\\\u00c2" );
		output = output.replaceAll( "Ã", "\\\\\\\\\\\\\\\\u00c3" );
		output = output.replaceAll( "Ç", "\\\\\\\\\\\\\\\\u00c7" );
		output = output.replaceAll( "È", "\\\\\\\\\\\\\\\\u00c8" );
		output = output.replaceAll( "É", "\\\\\\\\\\\\\\\\u00c9" );
		output = output.replaceAll( "Ó", "\\\\\\\\\\\\\\\\u00d3" );
		output = output.replaceAll( "Ò", "\\\\\\\\\\\\\\\\u00d2" );                
                
		output = output.replaceAll( "Ê", "\\\\\\\\\\\\\\\\u00ca" );
		output = output.replaceAll( "Ì", "\\\\\\\\\\\\\\\\u00cc" );
		output = output.replaceAll( "Í", "\\\\\\\\\\\\\\\\u00cd" );
		output = output.replaceAll( "Î", "\\\\\\\\\\\\\\\\u00ce" );
		output = output.replaceAll( "ò", "\\\\\\\\\\\\\\\\u00d2" );
		output = output.replaceAll( "ó", "\\\\\\\\\\\\\\\\u00d3" );
		output = output.replaceAll( "ô", "\\\\\\\\\\\\\\\\u00d4" );
		output = output.replaceAll( "õ", "\\\\\\\\\\\\\\\\u00d5" );
		output = output.replaceAll( "Ù", "\\\\\\\\\\\\\\\\u00d9" );
		output = output.replaceAll( "Ú", "\\\\\\\\\\\\\\\\u00da" );
		output = output.replaceAll( "Û", "\\\\\\\\\\\\\\\\u00db" );

		output = output.replaceAll( "à", "\\\\\\\\\\\\\\\\u00e0" );
		output = output.replaceAll( "á", "\\\\\\\\\\\\\\\\u00e1" );
		output = output.replaceAll( "â", "\\\\\\\\\\\\\\\\u00e2" );
		output = output.replaceAll( "ã", "\\\\\\\\\\\\\\\\u00e3" );
		output = output.replaceAll( "ç", "\\\\\\\\\\\\\\\\u00e7" );
		output = output.replaceAll( "è", "\\\\\\\\\\\\\\\\u00e8" );
		output = output.replaceAll( "é", "\\\\\\\\\\\\\\\\u00e9" );
		output = output.replaceAll( "ê", "\\\\\\\\\\\\\\\\u00ea" );
		output = output.replaceAll( "ì", "\\\\\\\\\\\\\\\\u00ec" );
		output = output.replaceAll( "í", "\\\\\\\\\\\\\\\\u00ed" );
		output = output.replaceAll( "î", "\\\\\\\\\\\\\\\\u00ee" );
		output = output.replaceAll( "ò", "\\\\\\\\\\\\\\\\u00f2" );
		output = output.replaceAll( "ó", "\\\\\\\\\\\\\\\\u00f3" );
		output = output.replaceAll( "ô", "\\\\\\\\\\\\\\\\u00f4" );
		output = output.replaceAll( "õ", "\\\\\\\\\\\\\\\\u00f5" );
		output = output.replaceAll( "ù", "\\\\\\\\\\\\\\\\u00f9" );
		output = output.replaceAll( "ú", "\\\\\\\\\\\\\\\\u00fa" );
		output = output.replaceAll( "û", "\\\\\\\\\\\\\\\\u00fb" );    
                
		return output;                
        }                
        
	public static String textToHtml( String text )
        {
		String output = text;    
                
		output = output.replaceAll( "À", "&Agrave;" );
		output = output.replaceAll( "Á", "&Aacute;" );
		output = output.replaceAll( "Â", "&Acirc;" );
		output = output.replaceAll( "Ã", "&Atilde;" );
		output = output.replaceAll( "Ç", "&Ccedil;" );
		output = output.replaceAll( "È", "&Egrave;" );
		output = output.replaceAll( "É", "&Eacute;" );
		output = output.replaceAll( "Ó", "&Oacute;" );
		output = output.replaceAll( "Ò", "&Ograve;" );                
                
		output = output.replaceAll( "Ê", "&Ecirc;" );
		output = output.replaceAll( "Ì", "&Igrave;" );
		output = output.replaceAll( "Í", "&Iacute;" );
		output = output.replaceAll( "Î", "&Icirc;" );
		output = output.replaceAll( "ò", "&ograve;" );
		output = output.replaceAll( "ó", "&oacute;" );
		output = output.replaceAll( "ô", "&ocirc;" );
		output = output.replaceAll( "õ", "&otilde;" );
		output = output.replaceAll( "Ù", "&Ugrave;" );
		output = output.replaceAll( "Ú", "&Uacute;" );
		output = output.replaceAll( "Û", "&Ucirc;" );

		output = output.replaceAll( "à", "&agrave;" );
		output = output.replaceAll( "á", "&aacute;" );
		output = output.replaceAll( "â", "&acirc;" );
		output = output.replaceAll( "ã", "&atilde;" );
		output = output.replaceAll( "ç", "&ccedil;" );
		output = output.replaceAll( "è", "&egrave;" );
		output = output.replaceAll( "é", "&eacute;" );
		output = output.replaceAll( "ê", "&ecirc;" );
		output = output.replaceAll( "ì", "&igrave;" );
		output = output.replaceAll( "í", "&iacute;" );
		output = output.replaceAll( "î", "&icirc;" );
		output = output.replaceAll( "ò", "&ograve;" );
		output = output.replaceAll( "ó", "&oacute;" );
		output = output.replaceAll( "ô", "&ocirc;" );
		output = output.replaceAll( "õ", "&otilde;" );
		output = output.replaceAll( "ù", "&ugrave" );
		output = output.replaceAll( "ú", "&uacute;" );
		output = output.replaceAll( "û", "&ucirc;" );    
                
		return output;                
        }                        

    public static String htmlToText(String text)
    {
        String output = text;
        if (output != null)
        {
            output = output.replaceAll("&Agrave;", "À");
            output = output.replaceAll("&Aacute;", "Á");
            output = output.replaceAll("&Acirc;", "Â");
            output = output.replaceAll("&Atilde;", "Ã");
            output = output.replaceAll("&Ccedil;", "Ç");
            output = output.replaceAll("&Egrave;", "È");
            output = output.replaceAll("&Eacute;", "É");
            output = output.replaceAll("&Oacute;", "Ó");
            output = output.replaceAll("&Ograve;", "Ò");

            output = output.replaceAll("&Ecirc;", "Ê");
            output = output.replaceAll("&Igrave;", "Ì");
            output = output.replaceAll("&Iacute;", "Í");
            output = output.replaceAll("&Icirc;", "Î");
            output = output.replaceAll("&ograve;", "ò");
            output = output.replaceAll("&oacute;", "ó");
            output = output.replaceAll("&ocirc;", "ô");
            output = output.replaceAll("&otilde;", "õ");
            output = output.replaceAll("&Ugrave;", "Ù");
            output = output.replaceAll("&Uacute;", "Ú");
            output = output.replaceAll("&Ucirc;", "Û");

            output = output.replaceAll("&agrave;", "à");
            output = output.replaceAll("&aacute;", "á");
            output = output.replaceAll("&acirc;", "â");
            output = output.replaceAll("&atilde;", "ã");
            output = output.replaceAll("&ccedil;", "ç");
            output = output.replaceAll("&egrave;", "è");
            output = output.replaceAll("&eacute;", "é");
            output = output.replaceAll("&ecirc;", "ê");
            output = output.replaceAll("&igrave;", "ì");
            output = output.replaceAll("&iacute;", "í");
            output = output.replaceAll("&icirc;", "î");
            output = output.replaceAll("&ograve;", "ò");
            output = output.replaceAll("&oacute;", "ó");
            output = output.replaceAll("&ocirc;", "ô");
            output = output.replaceAll("&otilde;", "õ");
            output = output.replaceAll("&ugrave", "ù");
            output = output.replaceAll("&uacute;", "ú");
            output = output.replaceAll("&ucirc;", "û");
        }
        return output;
    }

    public static String getPageFrom(String referer)
    {
        String pageFrom = referer.substring(referer.lastIndexOf("/")+1);
        return pageFrom;
    } 
    
    public static boolean isValidEmail(String email){
        boolean res = true;
        System.out.println("IS VALID EMAIL");
        int indexOfAtChar=email.indexOf("@");
        
        if(!isValidEmailCharacters(email))
        {
            return false;
        }

        if(indexOfAtChar > 0)
        {
            int indexOfDotChar =
                email.indexOf(".",indexOfAtChar);
            if(indexOfDotChar > 0)
            {
              res = true;
            }
            else
            {
                res = false;
            }
        }
        else{
            res = false;
        }        
        return res;
    }   
    
    private static boolean isValidEmailCharacters(String email)
    {
        if(email.indexOf("à") != -1)
        {
            return false;
        }
        else if(email.indexOf("á") != -1)
        {
            return false;
        }
        else if(email.indexOf("ã") != -1)
        {
            return false;
        }        
        else if(email.indexOf("â") != -1)
        {
            return false;
        }                
        else if(email.indexOf("è") != -1)
        {
            return false;
        }                
        else if(email.indexOf("é") != -1)
        {
            return false;
        }                
        else if(email.indexOf("ê") != -1)
        {
            return false;
        }                
        else if(email.indexOf("ì") != -1)
        {
            return false;
        }                
        else if(email.indexOf("í") != -1)
        {
            return false;
        }                        
        else if(email.indexOf("ò") != -1)
        {
            return false;
        }                
        else if(email.indexOf("ó") != -1)
        {
            return false;
        }                
        else if(email.indexOf("ô") != -1)
        {
            return false;
        }                
        else if(email.indexOf("õ") != -1)
        {
            return false;
        }                        
        else if(email.indexOf("ù") != -1)
        {
            return false;
        }                        
        else if(email.indexOf("ú") != -1)
        {
            return false;
        }                       
        else if(email.indexOf("û") != -1)
        {
            return false;
        }                               
        else if(email.indexOf("ç") != -1)
        {
            return false;
        }                        
        else if(email.indexOf("À") != -1)
        {
            return false;
        }
        else if(email.indexOf("Á") != -1)
        {
            return false;
        }
        else if(email.indexOf("Ã") != -1)
        {
            return false;
        }        
        else if(email.indexOf("Â") != -1)
        {
            return false;
        }                
        else if(email.indexOf("È") != -1)
        {
            return false;
        }                
        else if(email.indexOf("É") != -1)
        {
            return false;
        }                
        else if(email.indexOf("Ê") != -1)
        {
            return false;
        }                
        else if(email.indexOf("Ì") != -1)
        {
            return false;
        }                
        else if(email.indexOf("Í") != -1)
        {
            return false;
        }                        
        else if(email.indexOf("Ò") != -1)
        {
            return false;
        }                
        else if(email.indexOf("Ó") != -1)
        {
            return false;
        }                
        else if(email.indexOf("Ô") != -1)
        {
            return false;
        }                
        else if(email.indexOf("Õ") != -1)
        {
            return false;
        }                        
        else if(email.indexOf("Ù") != -1)
        {
            return false;
        }                        
        else if(email.indexOf("Ú") != -1)
        {
            return false;
        }                       
        else if(email.indexOf("Û") != -1)
        {
            return false;
        }                               
        else if(email.indexOf("Ç") != -1)
        {
            return false;
        }                                
        return true;
    }
    
    public static String dateToYYYYMMDD(Date ddate)
    {
        Calendar cal = new GregorianCalendar();
        cal.setTime(ddate);  
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd");
        String date_str = dateFormat.format(cal.getTime());
        return date_str;
    }
    
    public static String timeToHHMM(String ttime) throws Exception
    {
        SimpleDateFormat formatter = new SimpleDateFormat("HH:mm");
        //String s = formatter.format(date);  
        Date date = (Date)formatter.parse(ttime);  
        return formatter.format(date);
    }


	public static void doLogin( ExternalContext ec, Utilizador u )
	{
		if ( u != null )
		{
			Singleton.setInstance( Singleton.USERNAME, u.getLogin() );

			HttpSession session = ( HttpSession ) ec.getSession( true );
			ServletContext thisContext = session.getServletContext().getContext( "/AnaliseAcidentesTrabalho" );

			Map< String, Object > mapData = new HashMap< String, Object >();
			mapData.put( "sessionID", session.getId() );
			mapData.put( "userID", u.getId() );
			mapData.put( "session", session );

			thisContext.setAttribute( session.getId(), mapData );
		}
		else
		{
			ErrorLogger.logException( new Exception( "Utils.doLogin() : Utilizador is null !" ) );
		}
	}

	public static void doLogout( ExternalContext ec, boolean redirect )
	{
		Singleton.setInstance( Singleton.USERNAME, null );

		HttpSession session = ( HttpSession ) ec.getSession( true );
		String sessionID = session.getId();
		
		ServletContext aatContext = session.getServletContext().getContext( "/AnaliseAcidentesTrabalho" );
		ServletContext paContext = aatContext.getContext( "/PlanosActuacao" );
		
		aatContext.removeAttribute( sessionID );

		if ( paContext != null )
		{
			Map< String, Object > mapData = ( Map< String, Object > ) paContext.getAttribute( sessionID );
			if ( mapData != null )
			{
				HttpSession paSession = ( HttpSession ) mapData.get( "session" );
				paSession.invalidate();
			}
			paContext.removeAttribute( sessionID );
		}
		
		try
		{
			session.invalidate();
		}
		catch ( IllegalStateException e )
		{
//			ErrorLogger.logException( e );
			System.out.println( "Session already invalidated." );
		}

		if ( redirect )
		{
			try
			{
				ec.redirect( "Login.jsp" );
			}
			catch ( IOException ex )
			{
				ErrorLogger.logException( ex );
			}
		}
	}

	public static Integer getDefaultSelectedYear()
	{
		Integer result = null;

		java.util.Calendar calendar = java.util.Calendar.getInstance();
		calendar.setTime( new Date() );
		result = calendar.get( java.util.Calendar.YEAR );

		return result;
	}

	public static Option[] getYearDropValues()
	{
		Calendar calendar = Calendar.getInstance();
		calendar.setTime( new Date() );
		Integer currentYear = calendar.get( Calendar.YEAR );

		Option[] opts = null;
		try
		{
			int start = 0;
			List< Integer > anosList = AnalisesDataProvider.getInstance().getDistinctYears( null );
			if ( anosList.contains( currentYear ) )
			{
				opts = new Option[ anosList.size() ];
			}
			else
			{
				opts = new Option[ anosList.size() + 1 ];
				opts[ start++ ] = new Option( currentYear, currentYear.toString() );
			}
			Iterator< Integer > it = anosList.iterator();
			for ( ; it.hasNext(); start++ )
			{
				Integer ano = it.next();
				opts[ start ] = new Option( ano, ano.toString() );
			}
		}
		catch ( Exception e )
		{
			ErrorLogger.logException( e );
		}
		return opts;
	}

	public static void fillEstabelecimentos( DropDown ... drops )
	{
		try
		{
			Option[] estabelecimentos = EstatisticasDataProvider.getInstance().getEstabelecimentos();
			if ( estabelecimentos != null )
			{
				for ( DropDown drop : drops )
				{
					drop.setItems( estabelecimentos );
				}
			}
		}
		catch ( Exception e )
		{
			ErrorLogger.logException( e );
		}
	}

	public static Integer getSelectedID( DropDown drop )
	{
		Integer selectedID = null;
		if ( drop.getSelected() != null )
		{
			String value = ( String ) drop.getSelected();
			if ( value != null )
			{
				try { selectedID = Integer.parseInt( value ); }
				catch ( Exception e ) { }
			}
		}
		return selectedID;
	}
}