package com.storedesk.jspwiki;

import org.apache.mailet.GenericMailet;
import org.apache.mailet.Mail;
import org.apache.mailet.MailetConfig;
import javax.mail.MessagingException;
import com.ecyrd.jspwiki.*;
import com.ecyrd.jspwiki.auth.UserProfile;

import java.io.*;
import java.util.Properties;
import java.util.Date;
import java.text.MessageFormat;

/**
 * Created by IntelliJ IDEA.
 * User: geert
 * Date: Jan 6, 2005
 * Time: 12:00:06 PM
 * To change this template use File | Settings | File Templates.
 */
public class WikiMailet extends GenericMailet {
    WikiEngine engine;
    MessageFormat format;

    public void init(MailetConfig mailetConfig) throws MessagingException {
        super.init(mailetConfig);
        String file = mailetConfig.getInitParameter("config");
        String formatPattern = mailetConfig.getInitParameter("format");
        if (formatPattern == null){
            formatPattern = "{4} / {2} \\\\{0}\r\n\r\n----\r\n\r\n{1}";
        }
        format = new MessageFormat(formatPattern);

        if (file == null) file = "jspwiki.properties";
        // Try to get engine
        try {
            // todo custom modification??
            //engine = WikiEngine.getInstance(file);
            InputStream propertyStream = null;
            propertyStream = new FileInputStream( new File(file) );
            Properties props = new Properties( ); //TextUtil.createProperties( DEFAULT_PROPERTIES ) );
            props.load( propertyStream );
            propertyStream.close();
            engine = new WikiEngine(props);

        } catch (WikiException e) {
            log("WikiEngine Not Initialized "+e);
            System.out.println("WikiEngine Not Initialized "+e);
        } catch (IOException e) {
            log("WikiEngine Not Initialized "+e);
            System.out.println("WikiEngine Not Initialized "+e);
        }
    }

    public void service(Mail mail) throws MessagingException {
        //To change body of implemented methods use File | Settings | File Templates.
        if (engine != null){
            try {
                String subject = mail.getMessage().getSubject();
                String user = mail.getSender().getUser();
                String content = getContent(mail);
                if (content != null){
                    savePage(subject,user,content);
                }

            } catch (MessagingException e) {
                log("bookmark error "+e);
            } catch (ClassCastException e){
                log("bookmark error "+e);
                System.out.println("error"+ e);
            } catch (IOException e) {
                log("bookmark error "+e);
            }
        }
    }

    private void savePage(String subject, String user, String content) {
        String pageName = subject;
        WikiPage page = engine.getPage(pageName);
        // System.out.println("found page "+pageName+ ": "+engine.getHTML(pageName));
        //content = translate(content);
        try {
            String original = engine.getPureText(page);
            // {4} / {2} \\{0}\r\n\r\n----\r\n\r\n{1}
            Object[] values = {
                content,
                original,
                user,
                subject,
                new Date()
            };

            String newText = format.format(values);
            WikiContext context = new WikiContext(engine,page);
            //context.setCurrentUser(new UserProfile()); //todo
            engine.saveText(context,newText);
            System.out.println("-----------------------------");

        } catch (Exception e) {
            System.out.println("Save page "+pageName+" failed "+e);
            log("Save page "+pageName+" failed "+e );
        }

    }

    private String translate(String content) {
        return content;
    }

    private String getContent(Mail mail) throws MessagingException, IOException {
        Object o = mail.getMessage().getContent();
        if (o instanceof String){
            System.out.println("Found text "+o);
            return (String)o;
        } else {
            System.out.println("Not found "+o);
        }
        // todo multipart & attachments


        return null;
    }


}