/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>

 *

 * 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; version 2 of the License

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

 */

#include <QCheckBox>

#include <QLineEdit>

#include <QDesktopWidget>

#include <QInputDialog>

#include <QCryptographicHash>

#include <QStandardItemModel>

#include <QNetworkProxy>

#include <QNetworkProxyFactory>

#include "gameuiconfig.h"

#include "hwform.h"

#include "pageoptions.h"

#include "pagevideos.h"

#include "pagenetserver.h"

#include "hwconsts.h"

#include "fpsedit.h"

#include "HWApplication.h"

#include "DataManager.h"

const QNetworkProxy::ProxyType proxyTypesMap[] = {

    QNetworkProxy::NoProxy

    , QNetworkProxy::NoProxy // dummy value

    , QNetworkProxy::Socks5Proxy

    , QNetworkProxy::HttpProxy};

GameUIConfig::GameUIConfig(HWForm * FormWidgets, const QString & fileName)

    : QSettings(fileName, QSettings::IniFormat, FormWidgets)

{

    Form = FormWidgets;

    setIniCodec("UTF-8");

    connect(Form->ui.pageOptions->CBEnableFrontendMusic, SIGNAL(toggled(bool)), Form, SLOT(Music(bool)));

    //Form->resize(value("frontend/width", 640).toUInt(), value("frontend/height", 450).toUInt());

    resizeToConfigValues();

    reloadValues();

    reloadVideosValues();

}

void GameUIConfig::reloadValues(void)

{

    Form->ui.pageOptions->WeaponTooltip->setChecked(value("misc/weaponTooltips", true).toBool());

    int t = Form->ui.pageOptions->CBResolution->findText(value("video/resolution").toString());

    if (t < 0)

    {

        if (Form->ui.pageOptions->CBResolution->count() > 1)

            Form->ui.pageOptions->CBResolution->setCurrentIndex(1);

        else

            Form->ui.pageOptions->CBResolution->setCurrentIndex(0);

    }

    else Form->ui.pageOptions->CBResolution->setCurrentIndex(t);

    Form->ui.pageOptions->CBResolution->setCurrentIndex((t < 0) ? 1 : t);

    Form->ui.pageOptions->CBFullscreen->setChecked(value("video/fullscreen", false).toBool());

    bool ffscr=value("frontend/fullscreen", false).toBool();

    Form->ui.pageOptions->CBFrontendFullscreen->setChecked(ffscr);

    Form->ui.pageOptions->SLQuality->setValue(value("video/quality", 5).toUInt());

    Form->ui.pageOptions->CBStereoMode->setCurrentIndex(value("video/stereo", 0).toUInt());

    Form->ui.pageOptions->CBFrontendEffects->setChecked(value("frontend/effects", true).toBool());

    Form->ui.pageOptions->CBEnableSound->setChecked(value("audio/sound", true).toBool());

    Form->ui.pageOptions->CBEnableFrontendSound->setChecked(value("frontend/sound", true).toBool());

    Form->ui.pageOptions->CBEnableMusic->setChecked(value("audio/music", true).toBool());

    Form->ui.pageOptions->CBEnableFrontendMusic->setChecked(value("frontend/music", true).toBool());

    Form->ui.pageOptions->volumeBox->setValue(value("audio/volume", 100).toUInt());

    QString netNick = value("net/nick", "").toString();

    Form->ui.pageOptions->editNetNick->setText(netNick);

    bool savePwd = value("net/savepassword",true).toBool();

    Form->ui.pageOptions->CBSavePassword->setChecked(savePwd);

    Form->ui.pageOptions->editNetPassword->installEventFilter(this);

    int passLength = value("net/passwordlength", 0).toInt();

    if (!savePwd) {

        Form->ui.pageOptions->editNetPassword->setEnabled(false);

        Form->ui.pageOptions->editNetPassword->setText("");

        setNetPasswordLength(0);

    } else

    {

        setNetPasswordLength(passLength);

    }

    delete netHost;

    netHost = new QString(value("net/ip", "").toString());

    netPort = value("net/port", 46631).toUInt();

    Form->ui.pageNetServer->leServerDescr->setText(value("net/servername", "hedgewars server").toString());

    Form->ui.pageNetServer->sbPort->setValue(value("net/serverport", 46631).toUInt());

    Form->ui.pageOptions->CBShowFPS->setChecked(value("fps/show", false).toBool());

    Form->ui.pageOptions->fpsedit->setValue(value("fps/limit", 27).toUInt());

    Form->ui.pageOptions->CBAltDamage->setChecked(value("misc/altdamage", false).toBool());

    Form->ui.pageOptions->CBNameWithDate->setChecked(value("misc/appendTimeToRecords", false).toBool());

#ifdef SPARKLE_ENABLED

    Form->ui.pageOptions->CBAutoUpdate->setChecked(value("misc/autoUpdate", true).toBool());

#endif

    Form->ui.pageOptions->CBLanguage->setCurrentIndex(Form->ui.pageOptions->CBLanguage->findData(value("misc/locale", "").toString()));

    Form->ui.pageOptions->cbProxyType->setCurrentIndex(value("proxy/type", 0).toInt());

    Form->ui.pageOptions->leProxy->setText(value("proxy/host", "").toString());

    Form->ui.pageOptions->sbProxyPort->setValue(value("proxy/port", "8080").toInt());

    Form->ui.pageOptions->leProxyLogin->setText(value("proxy/login", "").toString());

    Form->ui.pageOptions->leProxyPassword->setText(value("proxy/password", "").toString());

    depth = HWApplication::desktop()->depth();

    if (depth < 16) depth = 16;

    else if (depth > 16) depth = 32;

    { // load colors

        QStandardItemModel * model = DataManager::instance().colorsModel();

        for(int i = model->rowCount() - 1; i >= 0; --i)

            model->item(i)->setData(QColor(value(QString("colors/color%1").arg(i), model->item(i)->data().value<QColor>()).value<QColor>()));

    }

}

void GameUIConfig::reloadVideosValues(void)

{

    if (useGameRes)

    {

        QRect res = vid_Resolution();

        Form->ui.pageVideos->widthEdit->setText(QString::number(res.width()));

        Form->ui.pageVideos->heightEdit->setText(QString::number(res.height()));

    }

    else

    {

        Form->ui.pageVideos->widthEdit->setText(value("videorec/width","800").toString());

        Form->ui.pageVideos->heightEdit->setText(value("videorec/height","600").toString());

    }

    Form->ui.pageVideos->checkUseGameRes->setChecked(useGameRes);

    if (!Form->ui.pageVideos->tryCodecs(value("videorec/format","no").toString(),

                                        value("videorec/videocodec","no").toString(),

                                        value("videorec/audiocodec","no").toString()))

        Form->ui.pageVideos->setDefaultCodecs();

}

QStringList GameUIConfig::GetTeamsList()

{

    QDir teamdir;

    teamdir.cd(cfgdir->absolutePath() + "/Teams");

    QStringList teamslist = teamdir.entryList(QStringList("*.hwt"),QDir::Files|QDir::Hidden);

    QStringList cleanedList;

    for (QStringList::Iterator it = teamslist.begin(); it != teamslist.end(); ++it )

    {

        QString tmpTeamStr=(*it).replace(QRegExp("^(.*)\\.hwt$"), "\\1");

        cleanedList.push_back(tmpTeamStr);

    }

    return cleanedList;

}

void GameUIConfig::resizeToConfigValues()

{

    // fill 2/3 of the screen desktop

    const QRect deskSize = QApplication::desktop()->screenGeometry(-1);

    Form->resize(value("frontend/width", deskSize.width()*2/3).toUInt(),

                 value("frontend/height", deskSize.height()*2/3).toUInt());

    // move the window to the center of the screen

    QPoint center = QApplication::desktop()->availableGeometry(-1).center();

    center.setX(center.x() - (Form->width()/2));

    center.setY(center.y() - (Form->height()/2));

    Form->move(center);

}

void GameUIConfig::SaveOptions()

{

    setValue("video/resolution", Form->ui.pageOptions->CBResolution->currentText());

    setValue("video/fullscreen", vid_Fullscreen());

    setValue("video/quality", Form->ui.pageOptions->SLQuality->value());

    setValue("video/stereo", stereoMode());

    setValue("frontend/effects", isFrontendEffects());

    setValue("misc/weaponTooltips", Form->ui.pageOptions->WeaponTooltip->isChecked());

    bool ffscr = isFrontendFullscreen();

    setValue("frontend/fullscreen", ffscr);

    emit frontendFullscreen(ffscr);

    if (!ffscr)

    {

        setValue("frontend/width", Form->width());

        setValue("frontend/height", Form->height());

    }

    else

    {

        //resizeToConfigValues(); // TODO: why this has been made?

    }

    setValue("audio/sound", isSoundEnabled());

    setValue("frontend/sound", isFrontendSoundEnabled());

    setValue("audio/music", isMusicEnabled());

    setValue("frontend/music", isFrontendMusicEnabled());

    setValue("audio/volume", Form->ui.pageOptions->volumeBox->value());

    setValue("net/nick", netNick());

    if (netPasswordIsValid() && Form->ui.pageOptions->CBSavePassword->isChecked())

    {

        setValue("net/passwordhash", netPasswordHash());

        setValue("net/passwordlength", netPasswordLength());

    }

    setValue("net/savepassword", Form->ui.pageOptions->CBSavePassword->isChecked());

    setValue("net/ip", *netHost);

    setValue("net/port", netPort);

    setValue("net/servername", Form->ui.pageNetServer->leServerDescr->text());

    setValue("net/serverport", Form->ui.pageNetServer->sbPort->value());

    setValue("fps/show", isShowFPSEnabled());

    setValue("fps/limit", Form->ui.pageOptions->fpsedit->value());

    setValue("misc/altdamage", isAltDamageEnabled());

    setValue("misc/appendTimeToRecords", appendDateTimeToRecordName());

    setValue("misc/locale", language());

#ifdef SPARKLE_ENABLED

    setValue("misc/autoUpdate", isAutoUpdateEnabled());

#endif

    { // setup proxy

        int proxyType = Form->ui.pageOptions->cbProxyType->currentIndex();

        setValue("proxy/type", proxyType);

        if(proxyType == PageOptions::Socks5Proxy || proxyType == PageOptions::HTTPProxy)

        {

            setValue("proxy/host", Form->ui.pageOptions->leProxy->text());

            setValue("proxy/port", Form->ui.pageOptions->sbProxyPort->value());

            setValue("proxy/login", Form->ui.pageOptions->leProxyLogin->text());

            setValue("proxy/password", Form->ui.pageOptions->leProxyPassword->text());

        }

        QNetworkProxy proxy;

        if(proxyType == PageOptions::SystemProxy)

        {

            // use system proxy settings

            proxy = QNetworkProxyFactory::systemProxyForQuery().at(0);

        } else

        {

            proxy.setType(proxyTypesMap[proxyType]);

            proxy.setHostName(Form->ui.pageOptions->leProxy->text());

            proxy.setPort(Form->ui.pageOptions->sbProxyPort->value());

            proxy.setUser(Form->ui.pageOptions->leProxyLogin->text());

            proxy.setPassword(Form->ui.pageOptions->leProxyPassword->text());

        }

        QNetworkProxy::setApplicationProxy(proxy);

    }

    { // save colors

        QStandardItemModel * model = DataManager::instance().colorsModel();

        for(int i = model->rowCount() - 1; i >= 0; --i)

            setValue(QString("colors/color%1").arg(i), model->item(i)->data());

    }

    sync();

}

void GameUIConfig::SaveVideosOptions()

{

    QRect res = rec_Resolution();

    setValue("videorec/format", AVFormat());

    setValue("videorec/videocodec", videoCodec());

    setValue("videorec/audiocodec", audioCodec());

    setValue("videorec/bitrate", rec_Bitrate());

    setValue("videorec/width", res.width());

    setValue("videorec/height", res.height());

    setValue("videorec/usegameres", Form->ui.pageVideos->checkUseGameRes->isChecked());

    setValue("videorec/audio", recordAudio());

    sync();

}

void GameUIConfig::setValue(const QString &key, const QVariant &value)

{

    qDebug() << "[settings]" << key << value;

    QSettings::setValue(key, value);

}

QString GameUIConfig::language()

{

    return Form->ui.pageOptions->CBLanguage->itemData(Form->ui.pageOptions->CBLanguage->currentIndex()).toString();

}

QRect GameUIConfig::vid_Resolution()

{

    QRect result(0, 0, 640, 480);

    QStringList wh = Form->ui.pageOptions->CBResolution->currentText().split('x');

    if (wh.size() == 2)

    {

        result.setWidth(wh[0].toInt());

        result.setHeight(wh[1].toInt());

    }

    return result;

}

bool GameUIConfig::vid_Fullscreen()

{

    return Form->ui.pageOptions->CBFullscreen->isChecked();

}

quint32 GameUIConfig::translateQuality()

{

    quint32 rqNone = 0x00000000;  // don't reduce quality

    //quint32 rqLowRes = 0x00000001;  // use half land array

    quint32 rqBlurryLand = 0x00000002;  // downscaled terrain

    quint32 rqNoBackground = 0x00000004;  // don't draw background

    quint32 rqSimpleRope = 0x00000008;  // avoid drawing rope

    quint32 rq2DWater = 0x00000010;  // disabe 3D water effect

    quint32 rqAntiBoom = 0x00000020;  // no fancy explosion effects

    quint32 rqKillFlakes = 0x00000040;  // no flakes

    quint32 rqSlowMenu = 0x00000080;  // ammomenu appears with no animation

    quint32 rqPlainSplash = 0x00000100;  // no droplets

    quint32 rqClampLess = 0x00000200;  // don't clamp textures

    quint32 rqTooltipsOff = 0x00000400;  // tooltips are not drawn

    quint32 rqDesyncVBlank = 0x00000800;  // don't sync on vblank

    quint32 result = (Form->ui.pageOptions->WeaponTooltip->isChecked()) ? rqNone : rqTooltipsOff;

    switch (Form->ui.pageOptions->SLQuality->value())

    {

        case 5:

            break;

        case 4:

            result |= rqBlurryLand;

            break;

        case 3:

            result |= rqBlurryLand | rqKillFlakes | rqPlainSplash;

            break;

        case 2:

            result |= rqBlurryLand | rqKillFlakes | rqPlainSplash | rq2DWater |

                      rqAntiBoom | rqSlowMenu;

            break;

        case 1:

            result |= rqBlurryLand | rqKillFlakes | rqPlainSplash | rq2DWater |

                      rqAntiBoom | rqSlowMenu | rqSimpleRope | rqDesyncVBlank;

            break;

        case 0:

            result |= rqBlurryLand | rqKillFlakes | rqPlainSplash | rq2DWater |

                      rqAntiBoom | rqSlowMenu | rqSimpleRope | rqDesyncVBlank |

                      rqNoBackground | rqClampLess;

            break;

        default:

            fprintf(stderr,"unset value from slider");

            break;

    }

    return result;

}

bool GameUIConfig::isFrontendEffects() const

{

    return Form->ui.pageOptions->CBFrontendEffects->isChecked();

}

bool GameUIConfig::isFrontendFullscreen() const

{

    return Form->ui.pageOptions->CBFrontendFullscreen->isChecked();

}

bool GameUIConfig::isSoundEnabled()

{

    return Form->ui.pageOptions->CBEnableSound->isChecked();

}

bool GameUIConfig::isFrontendSoundEnabled()

{

    return Form->ui.pageOptions->CBEnableFrontendSound->isChecked();

}

bool GameUIConfig::isMusicEnabled()

{

    return Form->ui.pageOptions->CBEnableMusic->isChecked();

}

bool GameUIConfig::isFrontendMusicEnabled()

{

    return Form->ui.pageOptions->CBEnableFrontendMusic->isChecked();

}

bool GameUIConfig::isShowFPSEnabled()

{

    return Form->ui.pageOptions->CBShowFPS->isChecked();

}

bool GameUIConfig::isAltDamageEnabled()

{

    return Form->ui.pageOptions->CBAltDamage->isChecked();

}

quint32 GameUIConfig::stereoMode() const

{

    return Form->ui.pageOptions->CBStereoMode->currentIndex();

}

bool GameUIConfig::appendDateTimeToRecordName()

{

    return Form->ui.pageOptions->CBNameWithDate->isChecked();

}

#ifdef SPARKLE_ENABLED

bool GameUIConfig::isAutoUpdateEnabled()

{

    return Form->ui.pageOptions->CBAutoUpdate->isChecked();

}

#endif

quint8 GameUIConfig::timerInterval()

{

    return 35 - Form->ui.pageOptions->fpsedit->value();

}

quint8 GameUIConfig::bitDepth()

{

    return depth;

}

QString GameUIConfig::netNick()

{

    return Form->ui.pageOptions->editNetNick->text();

}

void GameUIConfig::updNetNick()

{

    Form->ui.pageOptions->editNetNick->setText(value("net/nick", "").toString());

}

QByteArray GameUIConfig::netPasswordHash()

{

    return QCryptographicHash::hash(Form->ui.pageOptions->editNetPassword->text().toUtf8(), QCryptographicHash::Md5).toHex();

}

int GameUIConfig::netPasswordLength()

{

    return Form->ui.pageOptions->editNetPassword->text().size();

}

bool GameUIConfig::netPasswordIsValid()

{

    return (netPasswordLength() == 0 || Form->ui.pageOptions->editNetPassword->text() != QString(netPasswordLength(), '*'));

}

// When hedgewars launches, the password field is set with null characters. If the user tries to edit the field and there are such characters, then clear the field

bool GameUIConfig::eventFilter(QObject *object, QEvent *event)

{