/*
 * Bittorrent Client using Qt4 and libtorrent.
 * Copyright (C) 2006  Christophe Dumez
 * Copyright (C) 2014  sledgehammer999
 *
 * 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.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link this program with the OpenSSL project's "OpenSSL" library (or with
 * modified versions of it that use the same license as the "OpenSSL" library),
 * and distribute the linked executables. You must obey the GNU General Public
 * License in all respects for all of the code used other than "OpenSSL".  If you
 * modify file(s), you may extend this exception to your version of the file(s),
 * but you are not obligated to do so. If you do not wish to do so, delete this
 * exception statement from your version.
 *
 * Contact : chris@qbittorrent.org
 * Contact : hammered999@gmail.com
 */

#include "preferences.h"
#include "qinisettings.h"

#include <QCryptographicHash>
#include <QPair>
#include <QDir>
#include <QReadLocker>
#include <QWriteLocker>

#ifndef DISABLE_GUI
#include <QApplication>
#else
#include <QCoreApplication>
#endif

#ifdef Q_OS_WIN
#include <ShlObj.h>
#include <winreg.h>
#endif

#include "misc.h"
#include "fs_utils.h"


Preferences* Preferences::m_instance = 0;

Preferences::Preferences() : dirty(false), lock(QReadWriteLock::Recursive) {
  QIniSettings *settings = new QIniSettings;
#ifndef Q_OS_MAC
  QIniSettings *settings_new = new QIniSettings("qBittorrent", "qBittorrent_new");
  QStringList keys = settings_new->allKeys();
  bool use_new = false;


  // This means that the PC closed either due to power outage
  // or because the disk was full. In any case the settings weren't transfered
  // in their final position. So assume that qbittorrent_new.ini/qbittorrent_new.conf
  // contains the most recent settings.
  if (!keys.isEmpty()) {
    use_new = true;
    dirty = true;
  }
  else {
    keys = settings->allKeys();
  }
#else
  QStringList keys = settings->allKeys();
#endif

  // Copy everything into memory. This means even keys inserted in the file manually
  // or that we don't touch directly in this code(eg disabled by ifdef). This ensures
  // that they will be copied over when save our settings to disk.
  for (QStringList::const_iterator i = keys.begin(), e = keys.end(); i != e; ++i) {
#ifndef Q_OS_MAC
    if (!use_new)
      m_data[*i] = settings->value(*i);
    else
      m_data[*i] = settings_new->value(*i);
#else
    m_data[*i] = settings->value(*i);
#endif
  }

  //Ensures sync to disk before we attempt to manipulate the files from save().
  delete settings;
#ifndef Q_OS_MAC
  delete settings_new;

  if (use_new)
    save();
#endif

  timer.setSingleShot(true);
  timer.setInterval(15*60*1000);
  connect(&timer, SIGNAL(timeout()), SLOT(save()));
}

Preferences::~Preferences() {
  save();
}

Preferences * Preferences::instance() {
  if (!m_instance)
    m_instance = new Preferences;

  return m_instance;
}

void Preferences::drop()
{
  if (m_instance) {
    delete m_instance;
    m_instance = 0;
  }
}

void Preferences::save() {
  QReadLocker locker(&lock);

  if (!dirty)
    return;

#ifndef Q_OS_MAC
  // QSettings delete the file before writing it out. This can result in problems
  // if the disk is full or a power outage occurs. Those events might occur
  // between deleting the file and recreating it. This is a safety measure.
  // Write everything to qBittorrent_new.ini/qBittorrent_new.conf and if it succeeds
  // replace qBittorrent_new.ini/qBittorrent.conf with it.
  QIniSettings *settings = new QIniSettings("qBittorrent", "qBittorrent_new");
#else
  QIniSettings *settings = new QIniSettings;
#endif

  for (QHash<QString, QVariant>::const_iterator i = m_data.begin(), e = m_data.end(); i != e; ++i) {
    settings->setValue(i.key(), i.value());
  }

  dirty = false;

#ifndef Q_OS_MAC
  settings->sync(); // Important to get error status
  if (settings->status() == QSettings::AccessError) {
    delete settings;
    return;
  }
  QString new_path = settings->fileName();
  delete settings;
  QString final_path = new_path;
  int index = final_path.lastIndexOf("_new", -1, Qt::CaseInsensitive);
  final_path.remove(index, 4);
  fsutils::forceRemove(final_path);
  QFile::rename(new_path, final_path);
#else
  delete settings;
#endif
}

const QVariant Preferences::value(const QString &key, const QVariant &defaultValue) const {
  QReadLocker locker(&lock);
  return m_data.value(key, defaultValue);
}

void Preferences::setValue(const QString &key, const QVariant &value) {
  QWriteLocker locker(&lock);
  if (m_data.value(key) == value)
    return;
  dirty = true;
  if (!timer.isActive())
    timer.start();
  m_data.insert(key, value);
}

// General options
QString Preferences::getLocale() const {
  return value("Preferences/General/Locale").toString();
}

void Preferences::setLocale(const QString &locale) {
  setValue("Preferences/General/Locale", locale);
}

bool Preferences::useProgramNotification() const {
  return value("Preferences/General/ProgramNotification", true).toBool();
}

void Preferences::useProgramNotification(bool use) {
  setValue("Preferences/General/ProgramNotification", use);
}

bool Preferences::deleteTorrentFilesAsDefault() const {
  return value("Preferences/General/DeleteTorrentsFilesAsDefault", false).toBool();
}

void Preferences::setDeleteTorrentFilesAsDefault(bool del) {
  setValue("Preferences/General/DeleteTorrentsFilesAsDefault", del);
}

bool Preferences::confirmOnExit() const {
  return value("Preferences/General/ExitConfirm", true).toBool();
}

void Preferences::setConfirmOnExit(bool confirm) {
  setValue("Preferences/General/ExitConfirm", confirm);
}

bool Preferences::speedInTitleBar() const {
  return value("Preferences/General/SpeedInTitleBar", false).toBool();
}

void Preferences::showSpeedInTitleBar(bool show) {
  setValue("Preferences/General/SpeedInTitleBar", show);
}

bool Preferences::useAlternatingRowColors() const {
  return value("Preferences/General/AlternatingRowColors", true).toBool();
}

void Preferences::setAlternatingRowColors(bool b) {
  setValue("Preferences/General/AlternatingRowColors", b);
}

bool Preferences::useRandomPort() const {
  return value("Preferences/General/UseRandomPort", false).toBool();
}

void Preferences::setRandomPort(bool b) {
  setValue("Preferences/General/UseRandomPort", b);
}

bool Preferences::systrayIntegration() const {
  return value("Preferences/General/SystrayEnabled", true).toBool();
}

void Preferences::setSystrayIntegration(bool enabled) {
  setValue("Preferences/General/SystrayEnabled", enabled);
}

bool Preferences::isToolbarDisplayed() const {
  return value("Preferences/General/ToolbarDisplayed", true).toBool();
}

void Preferences::setToolbarDisplayed(bool displayed) {
  setValue("Preferences/General/ToolbarDisplayed", displayed);
}

bool Preferences::minimizeToTray() const {
  return value("Preferences/General/MinimizeToTray", false).toBool();
}

void Preferences::setMinimizeToTray(bool b) {
  setValue("Preferences/General/MinimizeToTray", b);
}

bool Preferences::closeToTray() const {
  return value("Preferences/General/CloseToTray", false).toBool();
}

void Preferences::setCloseToTray(bool b) {
  setValue("Preferences/General/CloseToTray", b);
}

bool Preferences::startMinimized() const {
  return value("Preferences/General/StartMinimized", false).toBool();
}

void Preferences::setStartMinimized(bool b) {
  setValue("Preferences/General/StartMinimized", b);
}

bool Preferences::isSlashScreenDisabled() const {
  return value("Preferences/General/NoSplashScreen", false).toBool();
}

void Preferences::setSplashScreenDisabled(bool b) {
  setValue("Preferences/General/NoSplashScreen", b);
}

// Preventing from system suspend while active torrents are presented.
bool Preferences::preventFromSuspend() const {
  return value("Preferences/General/PreventFromSuspend", false).toBool();
}

void Preferences::setPreventFromSuspend(bool b) {
  setValue("Preferences/General/PreventFromSuspend", b);
}

#ifdef Q_OS_WIN
bool Preferences::WinStartup() const {
  QSettings settings("HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run", QSettings::NativeFormat);
  return settings.contains("qBittorrent");
}

void Preferences::setWinStartup(bool b) {
  QSettings settings("HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run", QSettings::NativeFormat);
  if (b) {
      const QString bin_path = "\"" + fsutils::toNativePath(qApp->applicationFilePath()) + "\"";
      settings.setValue("qBittorrent", bin_path);
  }
  else {
      settings.remove("qBittorrent");
  }
}
#endif

// Downloads
QString Preferences::getSavePath() const {
  QString save_path = value("Preferences/Downloads/SavePath").toString();
  if (!save_path.isEmpty())
    return fsutils::fromNativePath(save_path);
  return fsutils::QDesktopServicesDownloadLocation();
}

void Preferences::setSavePath(const QString &save_path) {
  setValue("Preferences/Downloads/SavePath", fsutils::fromNativePath(save_path));
}

bool Preferences::isTempPathEnabled() const {
  return value("Preferences/Downloads/TempPathEnabled", false).toBool();
}

void Preferences::setTempPathEnabled(bool enabled) {
  setValue("Preferences/Downloads/TempPathEnabled", enabled);
}

QString Preferences::getTempPath() const {
  const QString temp = QDir(getSavePath()).absoluteFilePath("temp");
  return fsutils::fromNativePath(value("Preferences/Downloads/TempPath", temp).toString());
}

void Preferences::setTempPath(const QString &path) {
  setValue("Preferences/Downloads/TempPath", fsutils::fromNativePath(path));
}

bool Preferences::useIncompleteFilesExtension() const {
  return value("Preferences/Downloads/UseIncompleteExtension", false).toBool();
}

void Preferences::useIncompleteFilesExtension(bool enabled) {
  setValue("Preferences/Downloads/UseIncompleteExtension", enabled);
}

bool Preferences::appendTorrentLabel() const {
  return value("Preferences/Downloads/AppendLabel", false).toBool();
}

void Preferences::setAppendTorrentLabel(bool b) {
  setValue("Preferences/Downloads/AppendLabel", b);
}

QString Preferences::lastLocationPath() const {
  return fsutils::fromNativePath(value("Preferences/Downloads/LastLocationPath").toString());
}

void Preferences::setLastLocationPath(const QString &path) {
  setValue("Preferences/Downloads/LastLocationPath", fsutils::fromNativePath(path));
}

bool Preferences::preAllocateAllFiles() const {
  return value("Preferences/Downloads/PreAllocation", false).toBool();
}

void Preferences::preAllocateAllFiles(bool enabled) {
  return setValue("Preferences/Downloads/PreAllocation", enabled);
}

bool Preferences::useAdditionDialog() const {
  return value("Preferences/Downloads/NewAdditionDialog", true).toBool();
}

void Preferences::useAdditionDialog(bool b) {
  setValue("Preferences/Downloads/NewAdditionDialog", b);
}

bool Preferences::additionDialogFront() const {
  return value("Preferences/Downloads/NewAdditionDialogFront", true).toBool();
}

void Preferences::additionDialogFront(bool b) {
  setValue("Preferences/Downloads/NewAdditionDialogFront", b);
}

bool Preferences::addTorrentsInPause() const {
  return value("Preferences/Downloads/StartInPause", false).toBool();
}

void Preferences::addTorrentsInPause(bool b) {
  setValue("Preferences/Downloads/StartInPause", b);
}

QStringList Preferences::getScanDirs() const {
  QStringList originalList = value("Preferences/Downloads/ScanDirs").toStringList();
  if (originalList.isEmpty())
    return originalList;

  QStringList newList;
  foreach (const QString& s, originalList) {
    newList << fsutils::fromNativePath(s);
  }
  return newList;
}

// This must be called somewhere with data from the model
void Preferences::setScanDirs(const QStringList &dirs) {
  QStringList newList;
  if (!dirs.isEmpty()) {
    foreach (const QString& s, dirs) {
      newList << fsutils::fromNativePath(s);
    }
  }
  setValue("Preferences/Downloads/ScanDirs", newList);
}

QList<bool> Preferences::getDownloadInScanDirs() const {
  return misc::boolListfromStringList(value("Preferences/Downloads/DownloadInScanDirs").toStringList());
}

void Preferences::setDownloadInScanDirs(const QList<bool> &list) {
  setValue("Preferences/Downloads/DownloadInScanDirs", misc::toStringList(list));
}

QString Preferences::getScanDirsLastPath() const {
  return fsutils::fromNativePath(value("Preferences/Downloads/ScanDirsLastPath").toString());
}

void Preferences::setScanDirsLastPath(const QString &path) {
  setValue("Preferences/Downloads/ScanDirsLastPath", fsutils::fromNativePath(path));
}

bool Preferences::isTorrentExportEnabled() const {
  return !value("Preferences/Downloads/TorrentExportDir").toString().isEmpty();
}

QString Preferences::getTorrentExportDir() const {
  return fsutils::fromNativePath(value("Preferences/Downloads/TorrentExportDir").toString());
}

void Preferences::setTorrentExportDir(QString path) {
  setValue("Preferences/Downloads/TorrentExportDir", fsutils::fromNativePath(path.trimmed()));
}

bool Preferences::isFinishedTorrentExportEnabled() const {
  return !value("Preferences/Downloads/FinishedTorrentExportDir").toString().isEmpty();
}

QString Preferences::getFinishedTorrentExportDir() const {
  return fsutils::fromNativePath(value("Preferences/Downloads/FinishedTorrentExportDir").toString());
}

void Preferences::setFinishedTorrentExportDir(QString path) {
  setValue("Preferences/Downloads/FinishedTorrentExportDir", fsutils::fromNativePath(path.trimmed()));
}

bool Preferences::isMailNotificationEnabled() const {
  return value("Preferences/MailNotification/enabled", false).toBool();
}

void Preferences::setMailNotificationEnabled(bool enabled) {
  setValue("Preferences/MailNotification/enabled", enabled);
}

QString Preferences::getMailNotificationEmail() const {
  return value("Preferences/MailNotification/email").toString();
}

void Preferences::setMailNotificationEmail(const QString &mail) {
  setValue("Preferences/MailNotification/email", mail);
}

QString Preferences::getMailNotificationSMTP() const {
  return value("Preferences/MailNotification/smtp_server", "smtp.changeme.com").toString();
}

void Preferences::setMailNotificationSMTP(const QString &smtp_server) {
  setValue("Preferences/MailNotification/smtp_server", smtp_server);
}

bool Preferences::getMailNotificationSMTPSSL() const {
  return value("Preferences/MailNotification/req_ssl", false).toBool();
}

void Preferences::setMailNotificationSMTPSSL(bool use) {
  setValue("Preferences/MailNotification/req_ssl", use);
}

bool Preferences::getMailNotificationSMTPAuth() const {
  return value("Preferences/MailNotification/req_auth", false).toBool();
}

void Preferences::setMailNotificationSMTPAuth(bool use) {
  setValue("Preferences/MailNotification/req_auth", use);
}

QString Preferences::getMailNotificationSMTPUsername() const {
  return value("Preferences/MailNotification/username").toString();
}

void Preferences::setMailNotificationSMTPUsername(const QString &username) {
  setValue("Preferences/MailNotification/username", username);
}

QString Preferences::getMailNotificationSMTPPassword() const {
  return value("Preferences/MailNotification/password").toString();
}

void Preferences::setMailNotificationSMTPPassword(const QString &password) {
  setValue("Preferences/MailNotification/password", password);
}

int Preferences::getActionOnDblClOnTorrentDl() const {
  return value("Preferences/Downloads/DblClOnTorDl", 0).toInt();
}

void Preferences::setActionOnDblClOnTorrentDl(int act) {
  setValue("Preferences/Downloads/DblClOnTorDl", act);
}

int Preferences::getActionOnDblClOnTorrentFn() const {
  return value("Preferences/Downloads/DblClOnTorFn", 1).toInt();
}

void Preferences::setActionOnDblClOnTorrentFn(int act) {
  setValue("Preferences/Downloads/DblClOnTorFn", act);
}

// Connection options
int Preferences::getSessionPort() const {
  return value("Preferences/Connection/PortRangeMin", 6881).toInt();
}

void Preferences::setSessionPort(int port) {
  setValue("Preferences/Connection/PortRangeMin", port);
}

bool Preferences::isUPnPEnabled() const {
  return value("Preferences/Connection/UPnP", true).toBool();
}

void Preferences::setUPnPEnabled(bool enabled) {
  setValue("Preferences/Connection/UPnP", enabled);
}

int Preferences::getGlobalDownloadLimit() const {
  return value("Preferences/Connection/GlobalDLLimit", -1).toInt();
}

void Preferences::setGlobalDownloadLimit(int limit) {
  if (limit <= 0)
    limit = -1;
  setValue("Preferences/Connection/GlobalDLLimit", limit);
}

int Preferences::getGlobalUploadLimit() const {
  return value("Preferences/Connection/GlobalUPLimit", 50).toInt();
}

void Preferences::setGlobalUploadLimit(int limit) {
  if (limit <= 0)
    limit = -1;
  setValue("Preferences/Connection/GlobalUPLimit", limit);
}

int Preferences::getAltGlobalDownloadLimit() const {
  int ret = value("Preferences/Connection/GlobalDLLimitAlt", 10).toInt();
  if (ret <= 0)
    ret = 10;
  return ret;
}

void Preferences::setAltGlobalDownloadLimit(int limit) {
  if (limit <= 0)
    limit = -1;
  setValue("Preferences/Connection/GlobalDLLimitAlt", limit);
}

int Preferences::getAltGlobalUploadLimit() const {
  int ret = value("Preferences/Connection/GlobalUPLimitAlt", 10).toInt();
  if (ret <= 0)
    ret = 10;
  return ret;
}

void Preferences::setAltGlobalUploadLimit(int limit) {
  if (limit <= 0)
    limit = -1;
  setValue("Preferences/Connection/GlobalUPLimitAlt", limit);
}

bool Preferences::isAltBandwidthEnabled() const {
  return value("Preferences/Connection/alt_speeds_on", false).toBool();
}

void Preferences::setAltBandwidthEnabled(bool enabled) {
  setValue("Preferences/Connection/alt_speeds_on", enabled);
}

bool Preferences::isSchedulerEnabled() const {
  return value("Preferences/Scheduler/Enabled", false).toBool();
}

void Preferences::setSchedulerEnabled(bool enabled) {
  setValue("Preferences/Scheduler/Enabled", enabled);
}

QTime Preferences::getSchedulerStartTime() const {
  return value("Preferences/Scheduler/start_time", QTime(8,0)).toTime();
}

void Preferences::setSchedulerStartTime(const QTime &time) {
  setValue("Preferences/Scheduler/start_time", time);
}

QTime Preferences::getSchedulerEndTime() const {
  return value("Preferences/Scheduler/end_time", QTime(20,0)).toTime();
}

void Preferences::setSchedulerEndTime(const QTime &time) {
  setValue("Preferences/Scheduler/end_time", time);
}

scheduler_days Preferences::getSchedulerDays() const {
  return (scheduler_days)value("Preferences/Scheduler/days", EVERY_DAY).toInt();
}

void Preferences::setSchedulerDays(scheduler_days days) {
  setValue("Preferences/Scheduler/days", (int)days);
}

// Proxy options
bool Preferences::isProxyEnabled() const {
  return getProxyType() > 0;
}

bool Preferences::isProxyAuthEnabled() const {
  return value("Preferences/Connection/Proxy/Authentication", false).toBool();
}

void Preferences::setProxyAuthEnabled(bool enabled) {
  setValue("Preferences/Connection/Proxy/Authentication", enabled);
}

QString Preferences::getProxyIp() const {
  return value("Preferences/Connection/Proxy/IP", "0.0.0.0").toString();
}

void Preferences::setProxyIp(const QString &ip) {
  setValue("Preferences/Connection/Proxy/IP", ip);
}

unsigned short Preferences::getProxyPort() const {
  return value("Preferences/Connection/Proxy/Port", 8080).toInt();
}

void Preferences::setProxyPort(unsigned short port) {
  setValue("Preferences/Connection/Proxy/Port", port);
}

QString Preferences::getProxyUsername() const {
  return value("Preferences/Connection/Proxy/Username").toString();
}

void Preferences::setProxyUsername(const QString &username) {
  setValue("Preferences/Connection/Proxy/Username", username);
}

QString Preferences::getProxyPassword() const {
  return value("Preferences/Connection/Proxy/Password").toString();
}

void Preferences::setProxyPassword(const QString &password) {
  setValue("Preferences/Connection/Proxy/Password", password);
}

int Preferences::getProxyType() const {
  return value("Preferences/Connection/ProxyType", 0).toInt();
}

void Preferences::setProxyType(int type) {
  setValue("Preferences/Connection/ProxyType", type);
}

bool Preferences::proxyPeerConnections() const {
  return value("Preferences/Connection/ProxyPeerConnections", false).toBool();
}

void Preferences::setProxyPeerConnections(bool enabled) {
  setValue("Preferences/Connection/ProxyPeerConnections", enabled);
}

#if LIBTORRENT_VERSION_NUM >= 10000
bool Preferences::getForceProxy() const {
  return value("Preferences/Connection/ProxyForce", true).toBool();
}

void Preferences::setForceProxy(bool enabled) {
  setValue("Preferences/Connection/ProxyForce", enabled);
}
#endif

// Bittorrent options
int Preferences::getMaxConnecs() const {
  return value("Preferences/Bittorrent/MaxConnecs", 500).toInt();
}

void Preferences::setMaxConnecs(int val) {
  if (val <= 0)
    val = -1;
  setValue("Preferences/Bittorrent/MaxConnecs", val);
}

int Preferences::getMaxConnecsPerTorrent() const {
  return value("Preferences/Bittorrent/MaxConnecsPerTorrent", 100).toInt();
}

void Preferences::setMaxConnecsPerTorrent(int val) {
  if (val <= 0)
    val = -1;
  setValue("Preferences/Bittorrent/MaxConnecsPerTorrent", val);
}

int Preferences::getMaxUploads() const {
  return value("Preferences/Bittorrent/MaxUploads", 8).toInt();
}

void Preferences::setMaxUploads(int val) {
  if (val <= 0)
    val = -1;
  setValue("Preferences/Bittorrent/MaxUploads", val);
}

int Preferences::getMaxUploadsPerTorrent() const {
  return value("Preferences/Bittorrent/MaxUploadsPerTorrent", 4).toInt();
}

void Preferences::setMaxUploadsPerTorrent(int val) {
  if (val <= 0)
    val = -1;
  setValue("Preferences/Bittorrent/MaxUploadsPerTorrent", val);
}

bool Preferences::isuTPEnabled() const {
  return value("Preferences/Bittorrent/uTP", true).toBool();
}

void Preferences::setuTPEnabled(bool enabled) {
  setValue("Preferences/Bittorrent/uTP", enabled);
}

bool Preferences::isuTPRateLimited() const {
  return value("Preferences/Bittorrent/uTP_rate_limited", true).toBool();
}

void Preferences::setuTPRateLimited(bool enabled) {
  setValue("Preferences/Bittorrent/uTP_rate_limited", enabled);
}

bool Preferences::isDHTEnabled() const {
  return value("Preferences/Bittorrent/DHT", true).toBool();
}

void Preferences::setDHTEnabled(bool enabled) {
  setValue("Preferences/Bittorrent/DHT", enabled);
}

bool Preferences::isPeXEnabled() const {
  return value("Preferences/Bittorrent/PeX", true).toBool();
}

void Preferences::setPeXEnabled(bool enabled) {
  setValue("Preferences/Bittorrent/PeX", enabled);
}

bool Preferences::isLSDEnabled() const {
  return value("Preferences/Bittorrent/LSD", true).toBool();
}

void Preferences::setLSDEnabled(bool enabled) {
  setValue("Preferences/Bittorrent/LSD", enabled);
}

int Preferences::getEncryptionSetting() const {
  return value("Preferences/Bittorrent/Encryption", 0).toInt();
}

void Preferences::setEncryptionSetting(int val) {
  setValue("Preferences/Bittorrent/Encryption", val);
}

qreal Preferences::getGlobalMaxRatio() const {
  return value("Preferences/Bittorrent/MaxRatio", -1).toDouble();
}

void Preferences::setGlobalMaxRatio(qreal ratio) {
  setValue("Preferences/Bittorrent/MaxRatio", ratio);
}

int Preferences::getMaxRatioAction() const {
  return value("Preferences/Bittorrent/MaxRatioAction", PAUSE_ACTION).toInt();
}

void Preferences::setMaxRatioAction(int act) {
  setValue("Preferences/Bittorrent/MaxRatioAction", act);
}

// IP Filter
bool Preferences::isFilteringEnabled() const {
  return value("Preferences/IPFilter/Enabled", false).toBool();
}

void Preferences::setFilteringEnabled(bool enabled) {
  setValue("Preferences/IPFilter/Enabled", enabled);
}

QString Preferences::getFilter() const {
  return fsutils::fromNativePath(value("Preferences/IPFilter/File").toString());
}

void Preferences::setFilter(const QString &path) {
  setValue("Preferences/IPFilter/File", fsutils::fromNativePath(path));
}

QStringList Preferences::bannedIPs() const {
  return value("Preferences/IPFilter/BannedIPs").toStringList();
}

void Preferences::banIP(const QString &ip) {
  QStringList banned_ips = value("Preferences/IPFilter/BannedIPs").toStringList();
  if (!banned_ips.contains(ip)) {
    banned_ips << ip;
    setValue("Preferences/IPFilter/BannedIPs", banned_ips);
  }
}

// Search
bool Preferences::isSearchEnabled() const {
  return value("Preferences/Search/SearchEnabled", false).toBool();
}

void Preferences::setSearchEnabled(bool enabled) {
  setValue("Preferences/Search/SearchEnabled", enabled);
}

// Execution Log
bool Preferences::isExecutionLogEnabled() const {
  return value("Preferences/ExecutionLog/enabled", false).toBool();
}

void Preferences::setExecutionLogEnabled(bool b) {
  setValue("Preferences/ExecutionLog/enabled", b);
}

// Queueing system
bool Preferences::isQueueingSystemEnabled() const {
  return value("Preferences/Queueing/QueueingEnabled", false).toBool();
}

void Preferences::setQueueingSystemEnabled(bool enabled) {
  setValue("Preferences/Queueing/QueueingEnabled", enabled);
}

int Preferences::getMaxActiveDownloads() const {
  return value("Preferences/Queueing/MaxActiveDownloads", 3).toInt();
}

void Preferences::setMaxActiveDownloads(int val) {
  if (val < 0)
    val = -1;
  setValue("Preferences/Queueing/MaxActiveDownloads", val);
}

int Preferences::getMaxActiveUploads() const {
  return value("Preferences/Queueing/MaxActiveUploads", 3).toInt();
}

void Preferences::setMaxActiveUploads(int val) {
  if (val < 0)
    val = -1;
  setValue("Preferences/Queueing/MaxActiveUploads", val);
}

int Preferences::getMaxActiveTorrents() const {
  return value("Preferences/Queueing/MaxActiveTorrents", 5).toInt();
}

void Preferences::setMaxActiveTorrents(int val) {
  if (val < 0)
    val = -1;
  setValue("Preferences/Queueing/MaxActiveTorrents", val);
}

bool Preferences::ignoreSlowTorrentsForQueueing() const {
  return value("Preferences/Queueing/IgnoreSlowTorrents", false).toBool();
}

void Preferences::setIgnoreSlowTorrentsForQueueing(bool ignore) {
  setValue("Preferences/Queueing/IgnoreSlowTorrents", ignore);
}

bool Preferences::isWebUiEnabled() const {
  return value("Preferences/WebUI/Enabled", false).toBool();
}

void Preferences::setWebUiEnabled(bool enabled) {
  setValue("Preferences/WebUI/Enabled", enabled);
}

bool Preferences::isWebUiLocalAuthEnabled() const {
  return value("Preferences/WebUI/LocalHostAuth", true).toBool();
}

void Preferences::setWebUiLocalAuthEnabled(bool enabled) {
  setValue("Preferences/WebUI/LocalHostAuth", enabled);
}

quint16 Preferences::getWebUiPort() const {
  return value("Preferences/WebUI/Port", 8080).toInt();
}

void Preferences::setWebUiPort(quint16 port) {
  setValue("Preferences/WebUI/Port", port);
}

bool Preferences::useUPnPForWebUIPort() const {
  return value("Preferences/WebUI/UseUPnP", true).toBool();
}

void Preferences::setUPnPForWebUIPort(bool enabled) {
  setValue("Preferences/WebUI/UseUPnP", enabled);
}

QString Preferences::getWebUiUsername() const {
  return value("Preferences/WebUI/Username", "admin").toString();
}

void Preferences::setWebUiUsername(const QString &username) {
  setValue("Preferences/WebUI/Username", username);
}

QString Preferences::getWebUiPassword() const {
  QString pass_ha1 = value("Preferences/WebUI/Password_ha1").toString();
  if (pass_ha1.isEmpty()) {
    QCryptographicHash md5(QCryptographicHash::Md5);
    md5.addData("adminadmin");
    pass_ha1 = md5.result().toHex();
  }
  return pass_ha1;
}

void Preferences::setWebUiPassword(const QString &new_password) {
  // Do not overwrite current password with its hash
  if (new_password == getWebUiPassword())
      return;

  // Encode to md5 and save
  QCryptographicHash md5(QCryptographicHash::Md5);
  md5.addData(new_password.toLocal8Bit());

  setValue("Preferences/WebUI/Password_ha1", md5.result().toHex());
}

bool Preferences::isWebUiHttpsEnabled() const {
  return value("Preferences/WebUI/HTTPS/Enabled", false).toBool();
}

void Preferences::setWebUiHttpsEnabled(bool enabled) {
  setValue("Preferences/WebUI/HTTPS/Enabled", enabled);
}

QByteArray Preferences::getWebUiHttpsCertificate() const {
  return value("Preferences/WebUI/HTTPS/Certificate").toByteArray();
}

void Preferences::setWebUiHttpsCertificate(const QByteArray &data) {
  setValue("Preferences/WebUI/HTTPS/Certificate", data);
}

QByteArray Preferences::getWebUiHttpsKey() const {
  return value("Preferences/WebUI/HTTPS/Key").toByteArray();
}

void Preferences::setWebUiHttpsKey(const QByteArray &data) {
  setValue("Preferences/WebUI/HTTPS/Key", data);
}

bool Preferences::isDynDNSEnabled() const {
  return value("Preferences/DynDNS/Enabled", false).toBool();
}

void Preferences::setDynDNSEnabled(bool enabled) {
  setValue("Preferences/DynDNS/Enabled", enabled);
}

DNS::Service Preferences::getDynDNSService() const {
  return DNS::Service(value("Preferences/DynDNS/Service", DNS::DYNDNS).toInt());
}

void Preferences::setDynDNSService(int service) {
  setValue("Preferences/DynDNS/Service", service);
}

QString Preferences::getDynDomainName() const {
  return value("Preferences/DynDNS/DomainName", "changeme.dyndns.org").toString();
}

void Preferences::setDynDomainName(const QString &name) {
  setValue("Preferences/DynDNS/DomainName", name);
}

QString Preferences::getDynDNSUsername() const {
  return value("Preferences/DynDNS/Username").toString();
}

void Preferences::setDynDNSUsername(const QString &username) {
  setValue("Preferences/DynDNS/Username", username);
}

QString Preferences::getDynDNSPassword() const {
  return value("Preferences/DynDNS/Password").toString();
}

void Preferences::setDynDNSPassword(const QString &password) {
  setValue("Preferences/DynDNS/Password", password);
}

// Advanced settings
void Preferences::clearUILockPassword() {
  setValue("Locking/password", QString());
}

QString Preferences::getUILockPasswordMD5() const {
  return value("Locking/password").toString();
}

void Preferences::setUILockPassword(const QString &clear_password) {
  QCryptographicHash md5(QCryptographicHash::Md5);
  md5.addData(clear_password.toLocal8Bit());
  QString md5_password = md5.result().toHex();
  setValue("Locking/password", md5_password);
}

bool Preferences::isUILocked() const {
  return value("Locking/locked", false).toBool();
}

void Preferences::setUILocked(bool locked) {
  return setValue("Locking/locked", locked);
}

bool Preferences::isAutoRunEnabled() const {
  return value("AutoRun/enabled", false).toBool();
}

void Preferences::setAutoRunEnabled(bool enabled) {
  return setValue("AutoRun/enabled", enabled);
}

QString Preferences::getAutoRunProgram() const {
  return fsutils::fromNativePath(value("AutoRun/program").toString());
}

void Preferences::setAutoRunProgram(const QString &program) {
  setValue("AutoRun/program", fsutils::fromNativePath(program));
}

bool Preferences::shutdownWhenDownloadsComplete() const {
  return value("Preferences/Downloads/AutoShutDownOnCompletion", false).toBool();
}

void Preferences::setShutdownWhenDownloadsComplete(bool shutdown) {
  setValue("Preferences/Downloads/AutoShutDownOnCompletion", shutdown);
}

bool Preferences::suspendWhenDownloadsComplete() const {
  return value("Preferences/Downloads/AutoSuspendOnCompletion", false).toBool();
}

void Preferences::setSuspendWhenDownloadsComplete(bool suspend) {
  setValue("Preferences/Downloads/AutoSuspendOnCompletion", suspend);
}

bool Preferences::hibernateWhenDownloadsComplete() const {
  return value("Preferences/Downloads/AutoHibernateOnCompletion", false).toBool();
}

void Preferences::setHibernateWhenDownloadsComplete(bool hibernate) {
  setValue("Preferences/Downloads/AutoHibernateOnCompletion", hibernate);
}

bool Preferences::shutdownqBTWhenDownloadsComplete() const {
  return value("Preferences/Downloads/AutoShutDownqBTOnCompletion", false).toBool();
}

void Preferences::setShutdownqBTWhenDownloadsComplete(bool shutdown) {
  setValue("Preferences/Downloads/AutoShutDownqBTOnCompletion", shutdown);
}

uint Preferences::diskCacheSize() const {
  uint size = value("Preferences/Downloads/DiskWriteCacheSize", 0).toUInt();

  // When build as 32bit binary, set the maximum at less than 2GB to prevent crashes.
  // These macros may not be available on compilers other than MSVC and GCC
#if !defined(_M_X64) && !defined(__amd64__)
  //1800MiB to leave 248MiB room to the rest of program data in RAM
  if (size > 1800)
    size = 1800;
#else
  // 4GiB
  if (size > 4*1024)
    size = 4*1024;
#endif

  return size;
}

void Preferences::setDiskCacheSize(uint size) {
  uint size0 = size;

#if !defined(_M_X64) && !defined(__amd64__)
  //1800MiB to leave 248MiB room to the rest of program data in RAM
  if (size0 > 1800)
    size0 = 1800;
#else
  // 4GiB
  if (size0 > 4*1024)
    size0 = 4*1024;
#endif

  setValue("Preferences/Downloads/DiskWriteCacheSize", size0);
}

uint Preferences::diskCacheTTL() const {
  return value("Preferences/Downloads/DiskWriteCacheTTL", 60).toUInt();
}

void Preferences::setDiskCacheTTL(uint ttl) {
  setValue("Preferences/Downloads/DiskWriteCacheTTL", ttl);
}

bool Preferences::osCache() const {
  return value("Preferences/Advanced/osCache", true).toBool();
}

void Preferences::setOsCache(bool enable) {
  setValue("Preferences/Advanced/osCache", enable);
}

uint Preferences::saveResumeDataInterval() const {
  return value("Preferences/Downloads/SaveResumeDataInterval", 3).toUInt();
}

void Preferences::setSaveResumeDataInterval(uint m) {
  setValue("Preferences/Downloads/SaveResumeDataInterval", m);
}

uint Preferences::outgoingPortsMin() const {
  return value("Preferences/Advanced/OutgoingPortsMin", 0).toUInt();
}

void Preferences::setOutgoingPortsMin(uint val) {
  setValue("Preferences/Advanced/OutgoingPortsMin", val);
}

uint Preferences::outgoingPortsMax() const {
  return value("Preferences/Advanced/OutgoingPortsMax", 0).toUInt();
}

void Preferences::setOutgoingPortsMax(uint val) {
  setValue("Preferences/Advanced/OutgoingPortsMax", val);
}

bool Preferences::ignoreLimitsOnLAN() const {
  return value("Preferences/Advanced/IgnoreLimitsLAN", true).toBool();
}

void Preferences::ignoreLimitsOnLAN(bool ignore) {
  setValue("Preferences/Advanced/IgnoreLimitsLAN", ignore);
}

bool Preferences::includeOverheadInLimits() const {
  return value("Preferences/Advanced/IncludeOverhead", false).toBool();
}

void Preferences::includeOverheadInLimits(bool include) {
  setValue("Preferences/Advanced/IncludeOverhead", include);
}

bool Preferences::trackerExchangeEnabled() const {
  return value("Preferences/Advanced/LtTrackerExchange", false).toBool();
}

void Preferences::setTrackerExchangeEnabled(bool enable) {
  setValue("Preferences/Advanced/LtTrackerExchange", enable);
}

bool Preferences::recheckTorrentsOnCompletion() const {
  return value("Preferences/Advanced/RecheckOnCompletion", false).toBool();
}

void Preferences::recheckTorrentsOnCompletion(bool recheck) {
  setValue("Preferences/Advanced/RecheckOnCompletion", recheck);
}

unsigned int Preferences::getRefreshInterval() const {
  return value("Preferences/General/RefreshInterval", 1500).toUInt();
}

void Preferences::setRefreshInterval(uint interval) {
  setValue("Preferences/General/RefreshInterval", interval);
}

bool Preferences::resolvePeerCountries() const {
  return value("Preferences/Connection/ResolvePeerCountries", true).toBool();
}

void Preferences::resolvePeerCountries(bool resolve) {
  setValue("Preferences/Connection/ResolvePeerCountries", resolve);
}

bool Preferences::resolvePeerHostNames() const {
  return value("Preferences/Connection/ResolvePeerHostNames", false).toBool();
}

void Preferences::resolvePeerHostNames(bool resolve) {
  setValue("Preferences/Connection/ResolvePeerHostNames", resolve);
}

int Preferences::getMaxHalfOpenConnections() const {
  const int val = value("Preferences/Connection/MaxHalfOpenConnec", 50).toInt();
  if (val <= 0)
    return -1;
  return val;
}

void Preferences::setMaxHalfOpenConnections(int value) {
  if (value <= 0)
    value = -1;
  setValue("Preferences/Connection/MaxHalfOpenConnec", value);
}

QString Preferences::getNetworkInterface() const {
  return value("Preferences/Connection/Interface").toString();
}

void Preferences::setNetworkInterface(const QString& iface) {
  setValue("Preferences/Connection/Interface", iface);
}

QString Preferences::getNetworkInterfaceName() const {
  return value("Preferences/Connection/InterfaceName").toString();
}

void Preferences::setNetworkInterfaceName(const QString& iface) {
  setValue("Preferences/Connection/InterfaceName", iface);
}

bool Preferences::getListenIPv6() const {
  return value("Preferences/Connection/InterfaceListenIPv6", false).toBool();
}

void Preferences::setListenIPv6(bool enable) {
  setValue("Preferences/Connection/InterfaceListenIPv6", enable);
}

QString Preferences::getNetworkAddress() const {
  return value("Preferences/Connection/InetAddress").toString();
}

void Preferences::setNetworkAddress(const QString& addr) {
  setValue("Preferences/Connection/InetAddress", addr);
}

bool Preferences::isAnonymousModeEnabled() const {
  return value("Preferences/Advanced/AnonymousMode", false).toBool();
}

void Preferences::enableAnonymousMode(bool enabled) {
  setValue("Preferences/Advanced/AnonymousMode", enabled);
}

bool Preferences::isSuperSeedingEnabled() const {
  return value("Preferences/Advanced/SuperSeeding", false).toBool();
}

void Preferences::enableSuperSeeding(bool enabled) {
  setValue("Preferences/Advanced/SuperSeeding", enabled);
}

bool Preferences::announceToAllTrackers() const {
  return value("Preferences/Advanced/AnnounceToAllTrackers", false).toBool();
}

void Preferences::setAnnounceToAllTrackers(bool enabled) {
  setValue("Preferences/Advanced/AnnounceToAllTrackers", enabled);
}

#if (defined(Q_OS_UNIX) && !defined(Q_OS_MAC))
bool Preferences::useSystemIconTheme() const {
  return value("Preferences/Advanced/useSystemIconTheme", true).toBool();
}

void Preferences::useSystemIconTheme(bool enabled) {
  setValue("Preferences/Advanced/useSystemIconTheme", enabled);
}
#endif

QStringList Preferences::getTorrentLabels() const {
  return value("TransferListFilters/customLabels").toStringList();
}

void Preferences::setTorrentLabels(const QStringList& labels) {
  setValue("TransferListFilters/customLabels", labels);
}

void Preferences::addTorrentLabel(const QString& label) {
  QStringList labels = value("TransferListFilters/customLabels").toStringList();
  if (!labels.contains(label))
    labels << label;
  setValue("TransferListFilters/customLabels", labels);
}

void Preferences::removeTorrentLabel(const QString& label) {
  QStringList labels = value("TransferListFilters/customLabels").toStringList();
  if (labels.contains(label))
    labels.removeOne(label);
  setValue("TransferListFilters/customLabels", labels);
}

bool Preferences::recursiveDownloadDisabled() const {
  return value("Preferences/Advanced/DisableRecursiveDownload", false).toBool();
}

void Preferences::disableRecursiveDownload(bool disable) {
  setValue("Preferences/Advanced/DisableRecursiveDownload", disable);
}

#ifdef Q_OS_WIN
namespace {
enum REG_SEARCH_TYPE {USER, SYSTEM_32BIT, SYSTEM_64BIT};

QStringList getRegSubkeys(const HKEY &handle) {
  QStringList keys;
  DWORD subkeys_count = 0;
  DWORD max_subkey_len = 0;
  long res = ::RegQueryInfoKey(handle, NULL, NULL, NULL, &subkeys_count, &max_subkey_len, NULL, NULL, NULL, NULL, NULL, NULL);
  if (res == ERROR_SUCCESS) {
    max_subkey_len++; //For null character
    LPTSTR key_name = new TCHAR[max_subkey_len];

    for (uint i=0; i<subkeys_count; i++) {
      res = ::RegEnumKeyEx(handle, 0, key_name, &max_subkey_len, NULL, NULL, NULL, NULL);
      if (res == ERROR_SUCCESS)
        keys.push_back(QString::fromWCharArray(key_name));
    }
    delete[] key_name;
  }

  return keys;
}

QString getRegValue(const HKEY &handle, const QString &name = QString()) {
  QString end_result;
  DWORD type = 0;
  DWORD size = 0;
  DWORD array_size = 0;

  LPTSTR value_name = NULL;
  if (!name.isEmpty()) {
    value_name = new TCHAR[name.size()+1];
    name.toWCharArray(value_name);
    value_name[name.size()] = '\0';
  }

  // Discover the size of the value
  ::RegQueryValueEx(handle, value_name, NULL, &type, NULL, &size);
  array_size = size / sizeof(TCHAR);
  if (size % sizeof(TCHAR))
    array_size++;
  array_size++; //For null character
  LPTSTR value = new TCHAR[array_size];

  long res = ::RegQueryValueEx(handle, value_name, NULL, &type, (LPBYTE)value, &size);
  if (res == ERROR_SUCCESS) {
    value[array_size] = '\0';
    end_result = QString::fromWCharArray(value);
  }

  if (value_name)
    delete[] value_name;
  if (value)
    delete[] value;

  return end_result;
}

QString pythonSearchReg(const REG_SEARCH_TYPE type) {
  HKEY key_handle1;
  long res = 0;

  switch (type) {
  case USER:
    res = ::RegOpenKeyEx(HKEY_CURRENT_USER, TEXT("SOFTWARE\\Python\\PythonCore"), 0, KEY_READ, &key_handle1);
    break;
  case SYSTEM_32BIT:
    res = ::RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("SOFTWARE\\Python\\PythonCore"), 0, KEY_READ|KEY_WOW64_32KEY, &key_handle1);
    break;
  case SYSTEM_64BIT:
    res = ::RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("SOFTWARE\\Python\\PythonCore"), 0, KEY_READ|KEY_WOW64_64KEY, &key_handle1);
    break;
  }

  if (res == ERROR_SUCCESS) {
    QStringList versions = getRegSubkeys(key_handle1);
    qDebug("Python versions nb: %d", versions.size());
    versions.sort();

    while(!versions.empty()) {
      const QString version = versions.takeLast()+"\\InstallPath";
      HKEY key_handle2;
      LPTSTR subkey = new TCHAR[version.size()+1];
      version.toWCharArray(subkey);
      subkey[version.size()] = '\0';

      switch (type) {
      case USER:
        res = ::RegOpenKeyEx(key_handle1, subkey, 0, KEY_READ, &key_handle2);
        break;
      case SYSTEM_32BIT:
        res = ::RegOpenKeyEx(key_handle1, subkey, 0, KEY_READ|KEY_WOW64_32KEY, &key_handle2);
        break;
      case SYSTEM_64BIT:
        res = ::RegOpenKeyEx(key_handle1, subkey, 0, KEY_READ|KEY_WOW64_64KEY, &key_handle2);
        break;
      }

      delete[] subkey;
      if (res == ERROR_SUCCESS) {
        qDebug("Detected possible Python v%s location", qPrintable(version));
        QString path = getRegValue(key_handle2);
        ::RegCloseKey(key_handle2);
        if (!path.isEmpty() && QDir(path).exists("python.exe")) {
          qDebug("Found python.exe at %s", qPrintable(path));
          ::RegCloseKey(key_handle1);
          return path;
        }
      }
      else
        ::RegCloseKey(key_handle2);
    }
  }
  ::RegCloseKey(key_handle1);
  return QString::null;
}

}

QString Preferences::getPythonPath() {
  QString path = pythonSearchReg(USER);
  if (path.isEmpty())
    path = pythonSearchReg(SYSTEM_32BIT);
  else return path;

  if (path.isEmpty())
    path = pythonSearchReg(SYSTEM_64BIT);
  else return path;

  if (!path.isEmpty())
    return path;

  // Fallback: Detect python from default locations
  QStringList supported_versions;
  supported_versions << "32" << "31" << "30" << "27" << "26" << "25";
  foreach (const QString &v, supported_versions) {
    if (QFile::exists("C:/Python"+v+"/python.exe"))
      return "C:/Python"+v;
  }
  return QString::null;
}

bool Preferences::neverCheckFileAssoc() const {
  return value("Preferences/Win32/NeverCheckFileAssocation", false).toBool();
}

void Preferences::setNeverCheckFileAssoc(bool check) {
  setValue("Preferences/Win32/NeverCheckFileAssocation", check);
}

bool Preferences::isTorrentFileAssocSet() {
  QSettings settings("HKEY_CURRENT_USER\\Software\\Classes", QSettings::NativeFormat);
  if (settings.value(".torrent/Default").toString() != "qBittorrent") {
    qDebug(".torrent != qBittorrent");
    return false;
  }

  return true;
}

bool Preferences::isMagnetLinkAssocSet() {
  QSettings settings("HKEY_CURRENT_USER\\Software\\Classes", QSettings::NativeFormat);

  // Check magnet link assoc
  QRegExp exe_reg("\"([^\"]+)\".*");
  QString shell_command = fsutils::toNativePath(settings.value("magnet/shell/open/command/Default", "").toString());
  if (exe_reg.indexIn(shell_command) < 0)
    return false;
  QString assoc_exe = exe_reg.cap(1);
  qDebug("exe: %s", qPrintable(assoc_exe));
  if (assoc_exe.compare(fsutils::toNativePath(qApp->applicationFilePath()), Qt::CaseInsensitive) != 0)
    return false;

  return true;
}

void Preferences::setTorrentFileAssoc(bool set) {
  QSettings settings("HKEY_CURRENT_USER\\Software\\Classes", QSettings::NativeFormat);

  // .Torrent association
  if (set) {
    QString old_progid = settings.value(".torrent/Default").toString();
    if (!old_progid.isEmpty() && (old_progid != "qBittorrent"))
      settings.setValue(".torrent/OpenWithProgids/" + old_progid, "");
    settings.setValue(".torrent/Default", "qBittorrent");
  }
  else if (isTorrentFileAssocSet()) {
    settings.setValue(".torrent/Default", "");
  }

  SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, 0, 0);
}

void Preferences::setMagnetLinkAssoc(bool set) {
  QSettings settings("HKEY_CURRENT_USER\\Software\\Classes", QSettings::NativeFormat);

  // Magnet association
  if (set) {
    const QString command_str = "\""+qApp->applicationFilePath()+"\" \"%1\"";
    const QString icon_str = "\""+qApp->applicationFilePath()+"\",1";

    settings.setValue("magnet/Default", "URL:Magnet link");
    settings.setValue("magnet/Content Type", "application/x-magnet");
    settings.setValue("magnet/URL Protocol", "");
    settings.setValue("magnet/DefaultIcon/Default", fsutils::toNativePath(icon_str));
    settings.setValue("magnet/shell/Default", "open");
    settings.setValue("magnet/shell/open/command/Default", fsutils::toNativePath(command_str));
  }
  else if (isMagnetLinkAssocSet()) {
    settings.remove("magnet");
  }

  SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, 0, 0);
}
#endif

bool Preferences::isTrackerEnabled() const {
  return value("Preferences/Advanced/trackerEnabled", false).toBool();
}

void Preferences::setTrackerEnabled(bool enabled) {
  setValue("Preferences/Advanced/trackerEnabled", enabled);
}

int Preferences::getTrackerPort() const {
  return value("Preferences/Advanced/trackerPort", 9000).toInt();
}

void Preferences::setTrackerPort(int port) {
  setValue("Preferences/Advanced/trackerPort", port);
}

#if defined(Q_OS_WIN) || defined(Q_OS_MAC)
bool Preferences::isUpdateCheckEnabled() const {
  return value("Preferences/Advanced/updateCheck", true).toBool();
}

void Preferences::setUpdateCheckEnabled(bool enabled) {
  setValue("Preferences/Advanced/updateCheck", enabled);
}
#endif

bool Preferences::confirmTorrentDeletion() const {
  return value("Preferences/Advanced/confirmTorrentDeletion", true).toBool();
}

void Preferences::setConfirmTorrentDeletion(bool enabled) {
  setValue("Preferences/Advanced/confirmTorrentDeletion", enabled);
}

TrayIcon::Style Preferences::trayIconStyle() const {
  return TrayIcon::Style(value("Preferences/Advanced/TrayIconStyle", TrayIcon::NORMAL).toInt());
}

void Preferences::setTrayIconStyle(TrayIcon::Style style) {
  setValue("Preferences/Advanced/TrayIconStyle", style);
}

// Stuff that don't appear in the Options GUI but are saved
// in the same file.
QByteArray Preferences::getAddNewTorrentDialogState() const {
  return value("AddNewTorrentDialog/treeHeaderState").toByteArray();
}

void Preferences::setAddNewTorrentDialogState(const QByteArray &state) {
  setValue("AddNewTorrentDialog/treeHeaderState", state);
}

int Preferences::getAddNewTorrentDialogPos() const {
  return value("AddNewTorrentDialog/y", -1).toInt();
}

void Preferences::setAddNewTorrentDialogPos(const int &pos) {
  setValue("AddNewTorrentDialog/y", pos);
}

int Preferences::getAddNewTorrentDialogWidth() const {
  return value("AddNewTorrentDialog/width", -1).toInt();
}

void Preferences::setAddNewTorrentDialogWidth(const int &width) {
  setValue("AddNewTorrentDialog/width", width);
}

bool Preferences::getAddNewTorrentDialogExpanded() const {
  return value("AddNewTorrentDialog/expanded", false).toBool();
}

void Preferences::setAddNewTorrentDialogExpanded(const bool expanded) {
  setValue("AddNewTorrentDialog/expanded", expanded);
}

QStringList Preferences::getAddNewTorrentDialogPathHistory() const {
  return value("TorrentAdditionDlg/save_path_history").toStringList();
}

void Preferences::setAddNewTorrentDialogPathHistory(const QStringList &history) {
  setValue("TorrentAdditionDlg/save_path_history", history);
}

QDateTime Preferences::getDNSLastUpd() const {
  return value("DNSUpdater/lastUpdateTime").toDateTime();
}

void Preferences::setDNSLastUpd(const QDateTime &date) {
  setValue("DNSUpdater/lastUpdateTime", date);
}

QString Preferences::getDNSLastIP() const {
  return value("DNSUpdater/lastIP").toString();
}

void Preferences::setDNSLastIP(const QString &ip) {
  setValue("DNSUpdater/lastIP", ip);
}

bool Preferences::getAcceptedLegal() const {
  return value("LegalNotice/Accepted", false).toBool();
}

void Preferences::setAcceptedLegal(const bool accepted) {
  setValue("LegalNotice/Accepted", accepted);
}

QByteArray Preferences::getMainGeometry() const {
  return value("MainWindow/geometry").toByteArray();
}

void Preferences::setMainGeometry(const QByteArray &geometry) {
  setValue("MainWindow/geometry", geometry);
}

QByteArray Preferences::getMainVSplitterState() const {
  return value("MainWindow/vsplitterState").toByteArray();
}

void Preferences::setMainVSplitterState(const QByteArray &state) {
  setValue("MainWindow/vsplitterState", state);
}

QString Preferences::getMainLastDir() const {
  return value("MainWindowLastDir", QDir::homePath()).toString();
}

void Preferences::setMainLastDir(const QString &path) {
  setValue("MainWindowLastDir", path);
}

#ifndef DISABLE_GUI
QSize Preferences::getPrefSize(const QSize& defaultSize) const {
  return value("Preferences/State/size", defaultSize).toSize();
}

void Preferences::setPrefSize(const QSize &size) {
  setValue("Preferences/State/size", size);
}
#endif

QPoint Preferences::getPrefPos() const {
  return value("Preferences/State/pos").toPoint();
}

void Preferences::setPrefPos(const QPoint &pos) {
  setValue("Preferences/State/pos", pos);
}

QStringList Preferences::getPrefHSplitterSizes() const {
  return value("Preferences/State/hSplitterSizes").toStringList();
}

void Preferences::setPrefHSplitterSizes(const QStringList &sizes) {
  setValue("Preferences/State/hSplitterSizes", sizes);
}

QByteArray Preferences::getPeerListState() const {
  return value("TorrentProperties/Peers/PeerListState").toByteArray();
}

void Preferences::setPeerListState(const QByteArray &state) {
  setValue("TorrentProperties/Peers/PeerListState", state);
}

QString Preferences::getPropSplitterSizes() const {
  return value("TorrentProperties/SplitterSizes").toString();
}

void Preferences::setPropSplitterSizes(const QString &sizes) {
  setValue("TorrentProperties/SplitterSizes", sizes);
}

QByteArray Preferences::getPropFileListState() const {
  return value("TorrentProperties/FilesListState").toByteArray();
}

void Preferences::setPropFileListState(const QByteArray &state) {
  setValue("TorrentProperties/FilesListState", state);
}

int Preferences::getPropCurTab() const {
  return value("TorrentProperties/CurrentTab", -1).toInt();
}

void Preferences::setPropCurTab(const int &tab) {
  setValue("TorrentProperties/CurrentTab", tab);
}

bool Preferences::getPropVisible() const {
  return value("TorrentProperties/Visible", false).toBool();
}

void Preferences::setPropVisible(const bool visible) {
  setValue("TorrentProperties/Visible", visible);
}

QByteArray Preferences::getPropTrackerListState() const {
  return value("TorrentProperties/Trackers/TrackerListState").toByteArray();
}

void Preferences::setPropTrackerListState(const QByteArray &state) {
  setValue("TorrentProperties/Trackers/TrackerListState", state);
}

QByteArray Preferences::getRssGeometry() const {
  return value("RssFeedDownloader/geometry").toByteArray();
}

void Preferences::setRssGeometry(const QByteArray &geometry) {
  setValue("RssFeedDownloader/geometry", geometry);
}

QByteArray Preferences::getRssHSplitterSizes() const {
  return value("RssFeedDownloader/hsplitterSizes").toByteArray();
}

void Preferences::setRssHSplitterSizes(const QByteArray &sizes) {
  setValue("RssFeedDownloader/hsplitterSizes", sizes);
}

QStringList Preferences::getRssOpenFolders() const {
  return value("Rss/open_folders").toStringList();
}

void Preferences::setRssOpenFolders(const QStringList &folders) {
  setValue("Rss/open_folders", folders);
}

QByteArray Preferences::getRssHSplitterState() const {
  return value("rss/splitter_h").toByteArray();
}

void Preferences::setRssHSplitterState(const QByteArray &state) {
  setValue("rss/splitter_h", state);
}

QByteArray Preferences::getRssVSplitterState() const {
  return value("rss/splitter_v").toByteArray();
}

void Preferences::setRssVSplitterState(const QByteArray &state) {
  setValue("rss/splitter_v", state);
}

QString Preferences::getSearchColsWidth() const {
  return value("SearchResultsColsWidth").toString();
}

void Preferences::setSearchColsWidth(const QString &width) {
  setValue("SearchResultsColsWidth", width);
}

QStringList Preferences::getSearchEngDisabled() const {
  return value("SearchEngines/disabledEngines").toStringList();
}

void Preferences::setSearchEngDisabled(const QStringList &engines) {
  setValue("SearchEngines/disabledEngines", engines);
}

QString Preferences::getCreateTorLastAddPath() const {
  return value("CreateTorrent/last_add_path", QDir::homePath()).toString();
}

void Preferences::setCreateTorLastAddPath(const QString &path) {
  setValue("CreateTorrent/last_add_path", path);
}

QString Preferences::getCreateTorLastSavePath() const {
  return value("CreateTorrent/last_save_path", QDir::homePath()).toString();
}

void Preferences::setCreateTorLastSavePath(const QString &path) {
  setValue("CreateTorrent/last_save_path", path);
}

QString Preferences::getCreateTorTrackers() const {
  return value("CreateTorrent/TrackerList", QDir::homePath()).toString();
}

void Preferences::setCreateTorTrackers(const QString &path) {
  setValue("CreateTorrent/TrackerList", path);
}

QByteArray Preferences::getCreateTorGeometry() const {
  return value("CreateTorrent/dimensions").toByteArray();
}

void Preferences::setCreateTorGeometry(const QByteArray &geometry) {
  setValue("CreateTorrent/dimensions", geometry);
}

bool Preferences::getCreateTorIgnoreRatio() const {
  return value("CreateTorrent/IgnoreRatio").toBool();
}

void Preferences::setCreateTorIgnoreRatio(const bool ignore) {
  setValue("CreateTorrent/IgnoreRatio", ignore);
}

QString Preferences::getTorImportLastContentDir() const {
  return value("TorrentImport/LastContentDir", QDir::homePath()).toString();
}

void Preferences::setTorImportLastContentDir(const QString &path) {
  setValue("TorrentImport/LastContentDir", path);
}

QByteArray Preferences::getTorImportGeometry() const {
  return value("TorrentImportDlg/dimensions").toByteArray();
}

void Preferences::setTorImportGeometry(const QByteArray &geometry) {
  setValue("TorrentImportDlg/dimensions", geometry);
}

int Preferences::getTransSelFilter() const {
  return value("TransferListFilters/selectedFilterIndex", 0).toInt();
}

void Preferences::setTransSelFilter(const int &index) {
  setValue("TransferListFilters/selectedFilterIndex", index);
}

QByteArray Preferences::getTransHeaderState() const {
  return value("TransferList/HeaderState").toByteArray();
}

void Preferences::setTransHeaderState(const QByteArray &state) {
  setValue("TransferList/HeaderState", state);
}

// Temp code.
// See TorrentStatistics::loadStats() for details.
QVariantHash Preferences::getStats() const {
  return value("Stats/AllStats").toHash();
}

void Preferences::removeStats() {
  QWriteLocker locker(&lock);
  dirty = true;
  if (!timer.isActive())
    timer.start();
  m_data.remove("Stats/AllStats");
}

//From old RssSettings class
bool Preferences::isRSSEnabled() const {
  return value("Preferences/RSS/RSSEnabled", false).toBool();
}

void Preferences::setRSSEnabled(const bool enabled) {
  setValue("Preferences/RSS/RSSEnabled", enabled);
}

uint Preferences::getRSSRefreshInterval() const {
  return value("Preferences/RSS/RSSRefresh", 5).toUInt();
}

void Preferences::setRSSRefreshInterval(const uint &interval) {
  setValue("Preferences/RSS/RSSRefresh", interval);
}

int Preferences::getRSSMaxArticlesPerFeed() const {
  return value("Preferences/RSS/RSSMaxArticlesPerFeed", 50).toInt();
}

void Preferences::setRSSMaxArticlesPerFeed(const int &nb) {
  setValue("Preferences/RSS/RSSMaxArticlesPerFeed", nb);
}

bool Preferences::isRssDownloadingEnabled() const {
  return value("Preferences/RSS/RssDownloading", true).toBool();
}

void Preferences::setRssDownloadingEnabled(const bool b) {
  setValue("Preferences/RSS/RssDownloading", b);
}

QStringList Preferences::getRssFeedsUrls() const {
  return value("Rss/streamList").toStringList();
}

void Preferences::setRssFeedsUrls(const QStringList &rssFeeds) {
  setValue("Rss/streamList", rssFeeds);
}

QStringList Preferences::getRssFeedsAliases() const {
  return value("Rss/streamAlias").toStringList();
}

void Preferences::setRssFeedsAliases(const QStringList &rssAliases) {
  setValue("Rss/streamAlias", rssAliases);
}

QList<QByteArray> Preferences::getHostNameCookies(const QString &host_name) const {
  QMap<QString, QVariant> hosts_table = value("Rss/hosts_cookies").toMap();
  if (!hosts_table.contains(host_name)) return QList<QByteArray>();
  QByteArray raw_cookies = hosts_table.value(host_name).toByteArray();
  return raw_cookies.split(':');
}

QList<QNetworkCookie> Preferences::getHostNameQNetworkCookies(const QString& host_name) const {
  QList<QNetworkCookie> cookies;
  const QList<QByteArray> raw_cookies = getHostNameCookies(host_name);
  foreach (const QByteArray& raw_cookie, raw_cookies) {
    QList<QByteArray> cookie_parts = raw_cookie.split('=');
    if (cookie_parts.size() == 2) {
      qDebug("Loading cookie: %s = %s", cookie_parts.first().constData(), cookie_parts.last().constData());
      cookies << QNetworkCookie(cookie_parts.first(), cookie_parts.last());
    }
  }
  return cookies;
}

void Preferences::setHostNameCookies(const QString &host_name, const QList<QByteArray> &cookies) {
  QMap<QString, QVariant> hosts_table = value("Rss/hosts_cookies").toMap();
  QByteArray raw_cookies = "";
  foreach (const QByteArray& cookie, cookies) {
    raw_cookies += cookie + ":";
  }
  if (raw_cookies.endsWith(":"))
    raw_cookies.chop(1);
  hosts_table.insert(host_name, raw_cookies);
  setValue("Rss/hosts_cookies", hosts_table);
}