/***************************************************************************
                          FilterPlain.cxx  -  Plain mail import
                             -------------------
    begin                : Fri Jun 14 2002
    copyright            : (C) 2002 by Laurence Anderson
    email                : l.d.anderson@warwick.ac.uk
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include <klocale.h>
#include <kfiledialog.h>

#include "filter_plain.hxx"


FilterPlain::FilterPlain() :
        Filter(i18n("Import Plain Text Emails"),
               "Laurence Anderson <p>( Filter accelerated by Danny Kukawka )</p>",
               i18n("<p>Select the directory containing the emails on your system. "
                    "The emails are placed in a folder with the same name as the "
                    "directory they were in, prefixed by PLAIN-</p>"
                    "<p>This filter will import all .msg, .eml and .txt emails.</p>"))
{}

FilterPlain::~FilterPlain()
{
}

void FilterPlain::import(FilterInfo *info)
{
    // Select directory containing plain text emails
    const QString mailDir = KFileDialog::getExistingDirectory(QDir::homePath(),info->parent());
    if (mailDir.isEmpty()) { // No directory selected
        info->alert(i18n("No directory selected."));
        return;
    }
    QDir dir (mailDir);
    const QStringList files = dir.entryList(QStringList("*.[eE][mM][lL]")<<"*.[tT][xX][tT]"<<"*.[mM][sS][gG]", QDir::Files, QDir::Name);

    // Count total number of files to be processed
    info->addLog(i18n("Counting files..."));
    int totalFiles = files.count();
    int currentFile = 0;

    info->addLog(i18n("Importing new mail files..."));
    for ( QStringList::ConstIterator mailFile = files.constBegin(); mailFile != files.constEnd(); ++mailFile ) {
        info->setFrom(*mailFile);
        info->setTo(dir.dirName());
        info->setCurrent(0);

        /* comment by Danny Kukawka:
         * addMessage() == old function, need more time and check for duplicates
         * addMessage_fastImport == new function, faster and no check for duplicates
         */
        if(info->removeDupMsg) {
            if(! addMessage( info, "PLAIN-" + dir.dirName(), dir.filePath(*mailFile) )) {
                info->addLog( i18n("Could not import %1", *mailFile ) );
            }
        } else {
            if( ! addMessage_fastImport( info, "PLAIN-" + dir.dirName(), dir.filePath(*mailFile) )) {
                info->addLog( i18n("Could not import %1", *mailFile ) );
            }
        }

        info->setCurrent(100);
        info->setOverall(100 * ++currentFile/ totalFiles);
        if ( info->shouldTerminate() ) break;
    }

    info->addLog( i18n("Finished importing emails from %1", mailDir ));
    if (count_duplicates > 0) {
        info->addLog( i18np("1 duplicate message not imported", "%1 duplicate messages not imported", count_duplicates));
    }
    if (info->shouldTerminate()) info->addLog( i18n("Finished import, canceled by user."));
    
    count_duplicates = 0;
}

