/***************************************************************************
    This class carries custom options
                             -------------------
    begin                : Fr 29 Apr 2011
    copyright            : (C) 2011-2017 by Alexander Reinholdt
    email                : alexander.reinholdt@kdemail.net
 ***************************************************************************/

/***************************************************************************
 *   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, Suite 500, Boston,*
 *   MA 02110-1335, USA                                                    *
 ***************************************************************************/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

// application specific includes
#include "smb4kcustomoptions.h"

// Qt includes
#include <QDebug>
#include <QHostAddress>

// KDE includes
#include <KCoreAddons/KUser>


class Smb4KCustomOptionsPrivate
{
  public:
    QString workgroup;
    QUrl url;
    QHostAddress ip;
    NetworkItem type;
    Smb4KCustomOptions::Remount remount;
    QString profile;
    int smbPort;
#if defined(Q_OS_LINUX)
    int fileSystemPort;
    Smb4KCustomOptions::SecurityMode securityMode;
    Smb4KCustomOptions::WriteAccess writeAccess;
#endif
    Smb4KCustomOptions::Kerberos kerberos;
    KUser user;
    KUserGroup group;
    QString mac;
    bool wol_first_scan;
    bool wol_mount;
};


Smb4KCustomOptions::Smb4KCustomOptions(Smb4KHost *host)
: d(new Smb4KCustomOptionsPrivate)
{
  d->workgroup      = host->workgroupName();
  d->url            = host->url();
  d->type           = Host;
  d->remount        = UndefinedRemount;
  d->smbPort        = host->port() != -1 ? host->port() : 139;
#if defined(Q_OS_LINUX)
  d->fileSystemPort = 445;
  d->securityMode   = UndefinedSecurityMode;
  d->writeAccess    = UndefinedWriteAccess;
#endif
  d->kerberos       = UndefinedKerberos;
  d->user           = KUser(KUser::UseRealUserID);
  d->group          = KUserGroup(KUser::UseRealUserID);
  d->ip.setAddress(host->ip());
  d->wol_first_scan = false;
  d->wol_mount      = false;
}

Smb4KCustomOptions::Smb4KCustomOptions(Smb4KShare *share)
: d(new Smb4KCustomOptionsPrivate)
{
  d->url            = share->url();
  d->workgroup      = share->workgroupName();
  d->type           = Share;
  d->remount        = UndefinedRemount;
  d->smbPort        = 139;
#if defined(Q_OS_LINUX)
  d->fileSystemPort = share->port() != -1 ? share->port() : 445;
  d->securityMode   = UndefinedSecurityMode;
  d->writeAccess    = UndefinedWriteAccess;
#endif
  d->kerberos       = UndefinedKerberos;
  d->user           = share->user();
  d->group          = share->group();
  d->ip.setAddress(share->hostIP());
  d->wol_first_scan = false;
  d->wol_mount      = false;
}


Smb4KCustomOptions::Smb4KCustomOptions(const Smb4KCustomOptions &o)
: d(new Smb4KCustomOptionsPrivate)
{
  *d = *o.d;
}


Smb4KCustomOptions::Smb4KCustomOptions()
: d(new Smb4KCustomOptionsPrivate)
{
  d->type           = UnknownNetworkItem;
  d->remount        = UndefinedRemount;
  d->smbPort        = 139;
#if defined(Q_OS_LINUX)
  d->fileSystemPort = 445;
  d->securityMode   = UndefinedSecurityMode;
  d->writeAccess    = UndefinedWriteAccess;
#endif
  d->kerberos       = UndefinedKerberos;
  d->user           = KUser(KUser::UseRealUserID);
  d->group          = KUserGroup(KUser::UseRealUserID);
  d->wol_first_scan = false;
  d->wol_mount      = false;
}


Smb4KCustomOptions::~Smb4KCustomOptions()
{
}


void Smb4KCustomOptions::setHost(Smb4KHost *host)
{
  Q_ASSERT(host);
  
  switch (d->type)
  {
    case UnknownNetworkItem:
    {
      d->workgroup      = host->workgroupName();
      d->url            = host->url();
      d->type           = Host;
      d->smbPort        = host->port() != -1 ? host->port() : 139;
#if defined(Q_OS_LINUX)
      d->fileSystemPort = 445;
#endif
      d->ip.setAddress(host->ip());
      break;
    }
    default:
    {
      break;
    }
  }
}


void Smb4KCustomOptions::setShare(Smb4KShare *share)
{
  Q_ASSERT(share);
  
  switch (d->type)
  {
    case UnknownNetworkItem:
    {
      d->url = share->url();
      d->workgroup = share->workgroupName();
      d->type = Share;
      d->smbPort = 139;
#if defined(Q_OS_LINUX)
      d->fileSystemPort = share->port() != -1 ? share->port() : 445;
#endif
      d->user = share->user();
      d->group = share->group();
      d->ip.setAddress(share->hostIP());
      break;
    }
    case Host:
    {
      if (QString::compare(unc(), share->hostUNC(), Qt::CaseInsensitive) == 0)
      {
        d->url = share->url();
        d->type = Share;
#if defined(Q_OS_LINUX)
        d->fileSystemPort = share->port() != -1 ? share->port() : d->fileSystemPort;
#endif
        d->user = share->user();
        d->group = share->group();
        d->ip.setAddress(share->hostIP());
      }
      else
      {
        // Do nothing
      }
      break;
    }
    default:
    {
      break;
    }
  }
}


Smb4KGlobal::NetworkItem Smb4KCustomOptions::type() const
{
  return d->type;
}


void Smb4KCustomOptions::setRemount(Smb4KCustomOptions::Remount remount)
{
  switch (d->type)
  {
    case Share:
    {
      d->remount = remount;
      break;
    }
    default:
    {
      d->remount = UndefinedRemount;
      break;
    }
  }
}


Smb4KCustomOptions::Remount Smb4KCustomOptions::remount() const
{
  return d->remount;
}


void Smb4KCustomOptions::setProfile(const QString &profile)
{
  d->profile = profile;
}


QString Smb4KCustomOptions::profile() const
{
  return d->profile;
}


void Smb4KCustomOptions::setWorkgroupName(const QString &workgroup)
{
  d->workgroup = workgroup;
}

QString Smb4KCustomOptions::workgroupName() const
{
  return d->workgroup;
}


void Smb4KCustomOptions::setURL(const QUrl &url)
{
  d->url = url;
}


void Smb4KCustomOptions::setURL(const QString &url)
{
  d->url.setUrl(url, QUrl::TolerantMode);
  d->url.setScheme("smb");
}


QUrl Smb4KCustomOptions::url() const
{
  return d->url;
}


QString Smb4KCustomOptions::unc() const
{
  QString unc;
  
  switch (d->type)
  {
    case Host:
    {
      if (!hostName().isEmpty())
      {
        unc = QString("//%1").arg(hostName());
      }
      else
      {
        // Do nothing
      }
      break;
    }
    case Share:
    {
      if (!hostName().isEmpty() && !shareName().isEmpty())
      {
        unc = QString("//%1/%2").arg(hostName()).arg(shareName());
      }
      else
      {
        // Do nothing
      }
      break;
    }
    default:
    {
      break;
    }
  }

  return unc;
}


QString Smb4KCustomOptions::hostName() const
{
  return d->url.host().toUpper();
}


QString Smb4KCustomOptions::shareName() const
{
  if (d->url.path().startsWith('/'))
  {
    return d->url.path().remove(0, 1);
  }
  else
  {
    // Do nothing
  }

  return d->url.path();
}


void Smb4KCustomOptions::setIP(const QString &ip)
{
  d->ip.setAddress(ip);
}


QString Smb4KCustomOptions::ip() const
{
  return d->ip.toString();
}


void Smb4KCustomOptions::setSMBPort(int port)
{
  d->smbPort = port;

  switch (d->type)
  {
    case Host:
    {
      d->url.setPort(port);
      break;
    }
    default:
    {
      break;
    }
  }
}


int Smb4KCustomOptions::smbPort() const
{
  return d->smbPort;
}


#if defined(Q_OS_LINUX)
void Smb4KCustomOptions::setFileSystemPort(int port)
{
  d->fileSystemPort = port;
  
  switch (d->type)
  {
    case Share:
    {
      d->url.setPort(port);
      break;
    }
    default:
    {
      break;
    }
  }
}


int Smb4KCustomOptions::fileSystemPort() const
{
  return d->fileSystemPort;
}


void Smb4KCustomOptions::setSecurityMode(Smb4KCustomOptions::SecurityMode mode)
{
  d->securityMode = mode;
}


Smb4KCustomOptions::SecurityMode Smb4KCustomOptions::securityMode() const
{
  return d->securityMode;
}


void Smb4KCustomOptions::setWriteAccess(Smb4KCustomOptions::WriteAccess access)
{
  d->writeAccess = access;
}


Smb4KCustomOptions::WriteAccess Smb4KCustomOptions::writeAccess() const
{
  return d->writeAccess;
}
#endif


void Smb4KCustomOptions::setUseKerberos(Smb4KCustomOptions::Kerberos kerberos)
{
  d->kerberos = kerberos;
}


Smb4KCustomOptions::Kerberos Smb4KCustomOptions::useKerberos() const
{
  return d->kerberos;
}


void Smb4KCustomOptions::setUser(const KUser &user)
{
  d->user = user;
}


KUser Smb4KCustomOptions::user() const
{
  return d->user;
}


void Smb4KCustomOptions::setGroup(const KUserGroup& group)
{
  d->group = group;
}


KUserGroup Smb4KCustomOptions::group() const
{
  return d->group;
}


void Smb4KCustomOptions::setMACAddress(const QString &macAddress)
{
  d->mac = macAddress;
}


QString Smb4KCustomOptions::macAddress() const
{
  return d->mac;
}


void Smb4KCustomOptions::setWOLSendBeforeNetworkScan(bool send)
{
  d->wol_first_scan = send;
}


bool Smb4KCustomOptions::wolSendBeforeNetworkScan() const
{
  return d->wol_first_scan;
}


void Smb4KCustomOptions::setWOLSendBeforeMount(bool send)
{
  d->wol_mount = send;
}


bool Smb4KCustomOptions::wolSendBeforeMount() const
{
  return d->wol_mount;
}


QMap<QString, QString> Smb4KCustomOptions::customOptions() const
{
  QMap<QString,QString> entries;

  switch (d->remount)
  {
    case RemountOnce:
    {
      entries.insert("remount", "once");
      break;
    }
    case RemountAlways:
    {
      entries.insert("remount", "always");
      break;
    }
    case RemountNever:
    {
      entries.insert("remount", "never");
      break;      
    }
    case UndefinedRemount:
    {
      entries.insert("remount", QString());
      break;
    }
    default:
    {
      break;
    }
  }

  entries.insert("smb_port", QString("%1").arg(smbPort()));
#if defined(Q_OS_LINUX)
  entries.insert("filesystem_port", QString("%1").arg(fileSystemPort()));
  
  switch (d->securityMode)
  {
    case NoSecurityMode:
    {
      entries.insert("security_mode", "none");
      break;
    }
    case Krb5:
    {
      entries.insert("security_mode", "krb5");
      break;
    }
    case Krb5i:
    {
      entries.insert("security_mode", "krb5i");
      break;
    }
    case Ntlm:
    {
      entries.insert("security_mode", "ntlm");
      break;
    }
    case Ntlmi:
    {
      entries.insert("security_mode", "ntlmi");
      break;
    }
    case Ntlmv2:
    {
      entries.insert("security_mode", "ntlmv2");
      break;
    }
    case Ntlmv2i:
    {
      entries.insert("security_mode", "ntlmv2i");
      break;
    }
    case Ntlmssp:
    {
      entries.insert("security_mode", "ntlmssp");
      break;
    }
    case Ntlmsspi:
    {
      entries.insert("security_mode", "ntlmsspi");
      break;
    }
    case UndefinedSecurityMode:
    {
      entries.insert("security_mode", QString());
      break;
    }
    default:
    {
      break;
    }
  }

  switch (d->writeAccess)
  {
    case ReadWrite:
    {
      entries.insert("write_access", "true");
      break;
    }
    case ReadOnly:
    {
      entries.insert("write_access", "false");
      break;
    }
    case UndefinedWriteAccess:
    {
      entries.insert("write_access", QString());
      break;
    }
    default:
    {
      break;
    }
  }
#endif

  switch (d->kerberos)
  {
    case UseKerberos:
    {
      entries.insert("kerberos", "true");
      break;
    }
    case NoKerberos:
    {
      entries.insert("kerberos", "false");
      break;
    }
    case UndefinedKerberos:
    {
      entries.insert("kerberos", QString());
      break;
    }
    default:
    {
      break;
    }
  }
  
  entries.insert("uid", QString("%1").arg(d->user.userId().toString()));
  entries.insert("owner", d->user.loginName());
  entries.insert("gid", QString("%1").arg(d->group.groupId().toString()));
  entries.insert("group", d->group.name());
  entries.insert("mac_address", d->mac);
  entries.insert("wol_send_before_first_scan", d->wol_first_scan ? "true" : "false");
  entries.insert("wol_send_before_mount", d->wol_mount ? "true" : "false");
  
  return entries;
}


bool Smb4KCustomOptions::equals(Smb4KCustomOptions *options, bool fullCheck) const
{
  // Type
  if (d->type != options->type())
  {
    return false;
  }
  else
  {
    // Do nothing
  }

  // Profile
  if (QString::compare(d->profile, options->profile()) != 0)
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
  // Workgroup
  if (QString::compare(d->workgroup, options->workgroupName(), Qt::CaseInsensitive) != 0)
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
  // UNC
  if (QString::compare(unc(), options->unc(), Qt::CaseInsensitive) != 0)
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
  // Full check
  if (fullCheck)
  {
    // IP address
    if (QString::compare(d->ip.toString(), options->ip()) != 0)
    {
      return false;
    }
    else
    {
      // Do nothing
    }
    
    // Remounting
    if (d->remount != options->remount())
    {
      return false;
    }
    else
    {
      // Do nothing
    }
    
    // SMB port
    if (d->smbPort != options->smbPort())
    {
      return false;
    }
    else
    {
      // Do nothing
    }
    
#if defined(Q_OS_LINUX)
    // File system port (used for mounting)
    if (d->fileSystemPort != options->fileSystemPort())
    {
      return false;
    }
    else
    {
      // Do nothing
    }
    
    // Security mode
    if (d->securityMode != options->securityMode())
    {
      return false;
    }
    else
    {
      // Do nothing
    }

    // Write access
    if (d->writeAccess != options->writeAccess())
    {
      return false;
    }
    else
    {
      // Do nothing
    }
#endif

    // Kerberos
    if (d->kerberos != options->useKerberos())
    {
      return false;
    }
    else
    {
      // Do nothing
    }
    
    // UID
    if (d->user.userId() != options->user().userId())
    {
      return false;
    }
    else
    {
      // Do nothing
    }
    
    // GID
    if (d->group.groupId() != options->group().groupId())
    {
      return false;
    }
    else
    {
      // Do nothing
    }
    
    // MAC address
    if (QString::compare(d->mac, options->macAddress()) != 0)
    {
      return false;
    }
    else
    {
      // Do nothing
    }
    
    // Send WOL packages before first scan
    if (d->wol_first_scan != options->wolSendBeforeNetworkScan())
    {
      return false;
    }
    else
    {
      // Do nothing
    }
    
    // Send WOL packages before mount
    if (d->wol_mount != options->wolSendBeforeMount())
    {
      return false;
    }
    else
    {
      // Do nothing
    }
  }
  else
  {
    // Do nothing
  }
  
  return true;
}


bool Smb4KCustomOptions::isEmpty()
{
  // Type
  if (d->type != UnknownNetworkItem)
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
  // Profile
  if (!d->profile.isEmpty())
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
  // Workgroup
  if (!d->workgroup.isEmpty())
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
  // URL
  if (!d->url.isEmpty())
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
  // IP address
  if (!d->ip.isNull())
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
  // Remounting
  if (d->remount != Smb4KCustomOptions::UndefinedRemount)
  {
    return false;
  }
  else
  {
    // Do nothing
  }

  // SMB port
  if (d->smbPort != 139)
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
#if defined(Q_OS_LINUX)
  // File system port (used for mounting)
  if (d->fileSystemPort != 445)
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
  // Security mode
  if (d->securityMode != Smb4KCustomOptions::UndefinedSecurityMode)
  {
    return false;
  }
  else
  {
    // Do nothing
  }

  // Write access
  if (d->writeAccess != UndefinedWriteAccess)
  {
    return false;
  }
  else
  {
    // Do nothing
  }
#endif

  // Kerberos
  if (d->kerberos != UndefinedKerberos)
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
  // UID
  if (d->user.userId() != KUser(KUser::UseRealUserID).userId())
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
  // GID
  if (d->group.groupId() != KUserGroup(KUser::UseRealUserID).groupId())
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
  // MAC address
  if (!d->mac.isNull())
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
  // Send WOL packages before first scan
  if (d->wol_first_scan)
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
  // Send WOL packages before mount
  if (d->wol_mount)
  {
    return false;
  }
  else
  {
    // Do nothing
  }
  
  return true;
}


void Smb4KCustomOptions::update(Smb4KCustomOptions *options)
{
    d->ip.setAddress(options->ip());
    d->remount = options->remount();
    d->profile = options->profile();
    d->smbPort = options->smbPort();
#if defined(Q_OS_LINUX)
    d->fileSystemPort = options->fileSystemPort();;
    d->securityMode = options->securityMode();
    d->writeAccess = options->writeAccess();
#endif
    d->kerberos = options->useKerberos();
    d->user = options->user();
    d->group = options->group();
    d->mac = options->macAddress();
    d->wol_first_scan = options->wolSendBeforeNetworkScan();
    d->wol_mount = options->wolSendBeforeMount();
}

