/*

Copyright (C) 2005-2006 Oswald Buddenhagen <ossi@kde.org>

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.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

*/

#include "utils.h"
#include "kdm_greet.h"

#include <klocale.h>

#include <stdlib.h>

QString qString(char *str)
{
    if (!str)
        return QString();
    QString qs = QString::fromUtf8(str);
    free(str);
    return qs;
}

QStringList qStringList(char **strList)
{
    QStringList qsl;
    for (int i = 0; strList[i]; i++) {
        qsl.append(QString::fromUtf8(strList[i]));
        free(strList[i]);
    }
    free(strList);
    return qsl;
}

QList<DpySpec>
fetchSessions(int flags)
{
    QList<DpySpec> sessions;
    DpySpec tsess;

    gSet(1);
    gSendInt(G_List);
    gSendInt(flags);
  next:
    while (!(tsess.display = qString(gRecvStr())).isEmpty()) {
        tsess.from = qString(gRecvStr());
#ifdef HAVE_VTS
        tsess.vt = gRecvInt();
#endif
        tsess.user = qString(gRecvStr());
        tsess.session = qString(gRecvStr());
        tsess.flags = gRecvInt();
        if ((tsess.flags & isTTY) && !tsess.from.isEmpty())
            for (int i = 0; i < sessions.size(); i++)
                if (!sessions[i].user.isEmpty() &&
                    sessions[i].user == tsess.user &&
                    sessions[i].from == tsess.from)
                {
                    sessions[i].count++;
                    goto next;
                }
        tsess.count = 1;
        sessions.append(tsess);
    }
    gSet(0);
    return sessions;
}

void
decodeSession(const DpySpec &sess, QString &user, QString &loc)
{
    if (sess.flags & isTTY) {
        user =
            i18ncp("user: ...", "%2: TTY login", "%2: %1 TTY logins",
                   sess.count, sess.user);
        loc =
#ifdef HAVE_VTS
            sess.vt ?
                QString("vt%1").arg(sess.vt) :
#endif
                !sess.from.isEmpty() ?
                    sess.from : sess.display;
    } else {
        user =
            sess.session.isEmpty() ?
                i18nc("... session", "Unused") :
                !sess.user.isEmpty() ?
                    i18nc("user: session type", "%1: %2",
                          sess.user, sess.session) :
                    i18nc("... host", "X login on %1", sess.session);
        loc =
#ifdef HAVE_VTS
            sess.vt ?
                QString("%1, vt%2").arg(sess.display).arg(sess.vt) :
#endif
                sess.display;
    }
}