/*
 * Copyright (c) 2007 Henrique Pinto <henrique.pinto@kdemail.net>
 * Copyright (c) 2008-2009 Harald Hvaal <haraldhv@stud.ntnu.no>
 * Copyright (c) 2009-2012 Raphael Kubo da Costa <rakuco@FreeBSD.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES ( INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION ) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * ( INCLUDING NEGLIGENCE OR OTHERWISE ) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "archiveinterface.h"
#include <kdebug.h>
#include <kfileitem.h>

#include <QFileInfo>
#include <QDir>

namespace Kerfuffle
{
ReadOnlyArchiveInterface::ReadOnlyArchiveInterface(QObject *parent, const QVariantList &args)
    : QObject(parent), m_waitForFinishedSignal(false)
{
    m_filename = args.first().toString();
}

ReadOnlyArchiveInterface::~ReadOnlyArchiveInterface()
{
}

QString ReadOnlyArchiveInterface::filename() const
{
    return m_filename;
}

bool ReadOnlyArchiveInterface::isReadOnly() const
{
    return true;
}

bool ReadOnlyArchiveInterface::open()
{
    return true;
}

void ReadOnlyArchiveInterface::setPassword(const QString &password)
{
    m_password = password;
}

QString ReadOnlyArchiveInterface::password() const
{
    return m_password;
}

bool ReadOnlyArchiveInterface::doKill()
{
    //default implementation
    return false;
}

bool ReadOnlyArchiveInterface::doSuspend()
{
    //default implementation
    return false;
}

bool ReadOnlyArchiveInterface::doResume()
{
    //default implementation
    return false;
}

// Borrowed and adapted from KFileItem::permissionsString.
QString ReadOnlyArchiveInterface::permissionsString(mode_t perm)
{
    char buffer[ 11 ];

    char uxbit,gxbit,oxbit;

    if ( (perm & (S_IXUSR|S_ISUID)) == (S_IXUSR|S_ISUID) )
        uxbit = 's';
    else if ( (perm & (S_IXUSR|S_ISUID)) == S_ISUID )
        uxbit = 'S';
    else if ( (perm & (S_IXUSR|S_ISUID)) == S_IXUSR )
        uxbit = 'x';
    else
        uxbit = '-';

    if ( (perm & (S_IXGRP|S_ISGID)) == (S_IXGRP|S_ISGID) )
        gxbit = 's';
    else if ( (perm & (S_IXGRP|S_ISGID)) == S_ISGID )
        gxbit = 'S';
    else if ( (perm & (S_IXGRP|S_ISGID)) == S_IXGRP )
        gxbit = 'x';
    else
        gxbit = '-';

    if ( (perm & (S_IXOTH|S_ISVTX)) == (S_IXOTH|S_ISVTX) )
        oxbit = 't';
    else if ( (perm & (S_IXOTH|S_ISVTX)) == S_ISVTX )
        oxbit = 'T';
    else if ( (perm & (S_IXOTH|S_ISVTX)) == S_IXOTH )
        oxbit = 'x';
    else
        oxbit = '-';

    // Include the type in the first char like kde3 did; people are more used to seeing it,
    // even though it's not really part of the permissions per se.
    if (S_ISDIR(perm))
        buffer[0] = 'd';
    else if (S_ISLNK(perm))
        buffer[0] = 'l';
    else
        buffer[0] = '-';

    buffer[1] = ((( perm & S_IRUSR ) == S_IRUSR ) ? 'r' : '-' );
    buffer[2] = ((( perm & S_IWUSR ) == S_IWUSR ) ? 'w' : '-' );
    buffer[3] = uxbit;
    buffer[4] = ((( perm & S_IRGRP ) == S_IRGRP ) ? 'r' : '-' );
    buffer[5] = ((( perm & S_IWGRP ) == S_IWGRP ) ? 'w' : '-' );
    buffer[6] = gxbit;
    buffer[7] = ((( perm & S_IROTH ) == S_IROTH ) ? 'r' : '-' );
    buffer[8] = ((( perm & S_IWOTH ) == S_IWOTH ) ? 'w' : '-' );
    buffer[9] = oxbit;
    buffer[10] = 0;

    return QString::fromLatin1(buffer);
}

ReadWriteArchiveInterface::ReadWriteArchiveInterface(QObject *parent, const QVariantList &args)
    : ReadOnlyArchiveInterface(parent, args)
{
}

ReadWriteArchiveInterface::~ReadWriteArchiveInterface()
{
}

bool ReadOnlyArchiveInterface::waitForFinishedSignal()
{
    return m_waitForFinishedSignal;
}

void ReadOnlyArchiveInterface::setWaitForFinishedSignal(bool value)
{
    m_waitForFinishedSignal = value;
}

bool ReadWriteArchiveInterface::isReadOnly() const
{
    QFileInfo fileInfo(filename());
    if (fileInfo.exists()) {
        return !fileInfo.isWritable();
    }
    // TODO: Should also check if we can create a file in that directory
    return !fileInfo.dir().exists();
}

} // namespace Kerfuffle

#include "moc_archiveinterface.cpp"