/*
 * Hedgewars, a free turn based strategy game
 * Copyright (c) 2006-2011 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 <QGridLayout>
#include <QHBoxLayout>
#include <QPushButton>
#include <QGroupBox>
#include <QComboBox>
#include <QCheckBox>
#include <QLabel>
#include <QLineEdit>
#include <QSpinBox>
#include <QTextBrowser>
#include <QTableWidget>
#include <QSlider>

#include "pageoptions.h"
#include "hwconsts.h"
#include "fpsedit.h"
#include "igbox.h"

// TODO cleanup
QLayout * PageOptions::bodyLayoutDefinition()
{
    QGridLayout * pageLayout = new QGridLayout();
    pageLayout->setColumnStretch(0, 100);
    pageLayout->setColumnStretch(1, 100);
    pageLayout->setColumnStretch(2, 100);
    pageLayout->setRowStretch(0, 0);
    //pageLayout->setRowStretch(1, 100);
    pageLayout->setRowStretch(2, 0);
    pageLayout->setContentsMargins(7, 7, 7, 0);
    pageLayout->setSpacing(0);


    QGroupBox * gbTwoBoxes = new QGroupBox(this);
    pageLayout->addWidget(gbTwoBoxes, 0, 0, 1, 3);
    QGridLayout * gbTBLayout = new QGridLayout(gbTwoBoxes);
    gbTBLayout->setMargin(0);
    gbTBLayout->setSpacing(0);
    gbTBLayout->setAlignment(Qt::AlignTop | Qt::AlignLeft);

    QPixmap pmNew(":/res/new.png");
    QPixmap pmEdit(":/res/edit.png");
    QPixmap pmDelete(":/res/delete.png");

        {
            teamsBox = new IconedGroupBox(this);
            //teamsBox->setContentTopPadding(0);
            //teamsBox->setAttribute(Qt::WA_PaintOnScreen, true);
            teamsBox->setIcon(QIcon(":/res/teamicon.png"));
            teamsBox->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
            teamsBox->setTitle(QGroupBox::tr("Teams"));

            QGridLayout * GBTlayout = new QGridLayout(teamsBox);

            CBTeamName = new QComboBox(teamsBox);
            GBTlayout->addWidget(CBTeamName, 0, 0);

            BtnNewTeam = new QPushButton(teamsBox);
            BtnNewTeam->setToolTip(tr("New team"));
            BtnNewTeam->setIconSize(pmNew.size());
            BtnNewTeam->setIcon(pmNew);
            BtnNewTeam->setMaximumWidth(pmNew.width() + 6);
            connect(BtnNewTeam, SIGNAL(clicked()), this, SIGNAL(newTeamRequested()));
            GBTlayout->addWidget(BtnNewTeam, 0, 1);

            BtnEditTeam = new QPushButton(teamsBox);
            BtnEditTeam->setToolTip(tr("Edit team"));
            BtnEditTeam->setIconSize(pmEdit.size());
            BtnEditTeam->setIcon(pmEdit);
            BtnEditTeam->setMaximumWidth(pmEdit.width() + 6);
            connect(BtnEditTeam, SIGNAL(clicked()), this, SLOT(requestEditSelectedTeam()));
            GBTlayout->addWidget(BtnEditTeam, 0, 2);

            BtnDeleteTeam = new QPushButton(teamsBox);
            BtnDeleteTeam->setToolTip(tr("Delete team"));
            BtnDeleteTeam->setIconSize(pmDelete.size());
            BtnDeleteTeam->setIcon(pmDelete);
            BtnDeleteTeam->setMaximumWidth(pmDelete.width() + 6);
            connect(BtnDeleteTeam, SIGNAL(clicked()), this, SLOT(requestDeleteSelectedTeam()));
            GBTlayout->addWidget(BtnDeleteTeam, 0, 3);

            LblNoEditTeam = new QLabel(teamsBox);
            LblNoEditTeam->setText(tr("You can't edit teams from team selection. Go back to main menu to add, edit or delete teams."));
            LblNoEditTeam->setWordWrap(true);
            LblNoEditTeam->setVisible(false);
            GBTlayout->addWidget(LblNoEditTeam, 0, 0);

            gbTBLayout->addWidget(teamsBox, 0, 0);
        }

        {
            IconedGroupBox* groupWeapons = new IconedGroupBox(this);
            
            //groupWeapons->setContentTopPadding(0);
            //groupWeapons->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
            groupWeapons->setIcon(QIcon(":/res/weaponsicon.png"));
            groupWeapons->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
            groupWeapons->setTitle(QGroupBox::tr("Schemes and Weapons"));
            QGridLayout * WeaponsLayout = new QGridLayout(groupWeapons);

            QLabel* SchemeLabel = new QLabel(groupWeapons);
            SchemeLabel->setText(QLabel::tr("Game scheme"));
            WeaponsLayout->addWidget(SchemeLabel, 1, 0);

            SchemesName = new QComboBox(groupWeapons);
            WeaponsLayout->addWidget(SchemesName, 1, 1);

            SchemeNew = new QPushButton(groupWeapons);
            SchemeNew->setToolTip(tr("New scheme"));
            SchemeNew->setIconSize(pmNew.size());
            SchemeNew->setIcon(pmNew);
            SchemeNew->setMaximumWidth(pmNew.width() + 6);
            WeaponsLayout->addWidget(SchemeNew, 1, 2);

            SchemeEdit = new QPushButton(groupWeapons);
            SchemeEdit->setToolTip(tr("Edit scheme"));
            SchemeEdit->setIconSize(pmEdit.size());
            SchemeEdit->setIcon(pmEdit);
            SchemeEdit->setMaximumWidth(pmEdit.width() + 6);
            WeaponsLayout->addWidget(SchemeEdit, 1, 3);

            SchemeDelete = new QPushButton(groupWeapons);
            SchemeDelete->setToolTip(tr("Delete scheme"));
            SchemeDelete->setIconSize(pmDelete.size());
            SchemeDelete->setIcon(pmDelete);
            SchemeDelete->setMaximumWidth(pmDelete.width() + 6);
            WeaponsLayout->addWidget(SchemeDelete, 1, 4);

            QLabel* WeaponLabel = new QLabel(groupWeapons);
            WeaponLabel->setText(QLabel::tr("Weapons"));
            WeaponsLayout->addWidget(WeaponLabel, 2, 0);

            WeaponsName = new QComboBox(groupWeapons);
            WeaponsLayout->addWidget(WeaponsName, 2, 1);

            WeaponNew = new QPushButton(groupWeapons);
            WeaponNew->setToolTip(tr("New weapon set"));
            WeaponNew->setIconSize(pmNew.size());
            WeaponNew->setIcon(pmNew);
            WeaponNew->setMaximumWidth(pmNew.width() + 6);
            WeaponsLayout->addWidget(WeaponNew, 2, 2);

            WeaponEdit = new QPushButton(groupWeapons);
            WeaponEdit->setToolTip(tr("Edit weapon set"));
            WeaponEdit->setIconSize(pmEdit.size());
            WeaponEdit->setIcon(pmEdit);
            WeaponEdit->setMaximumWidth(pmEdit.width() + 6);
            WeaponsLayout->addWidget(WeaponEdit, 2, 3);

            WeaponDelete = new QPushButton(groupWeapons);
            WeaponDelete->setToolTip(tr("Delete weapon set"));
            WeaponDelete->setIconSize(pmDelete.size());
            WeaponDelete->setIcon(pmDelete);
            WeaponDelete->setMaximumWidth(pmDelete.width() + 6);
            WeaponsLayout->addWidget(WeaponDelete, 2, 4);

            WeaponTooltip = new QCheckBox(this);
            WeaponTooltip->setText(QCheckBox::tr("Show ammo menu tooltips"));
            WeaponsLayout->addWidget(WeaponTooltip, 3, 0, 1, 4);

            gbTBLayout->addWidget(groupWeapons, 1, 0);
        }

        {
            IconedGroupBox* groupMisc = new IconedGroupBox(this);
            //groupMisc->setContentTopPadding(0);
            groupMisc->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
            groupMisc->setIcon(QIcon(":/res/miscicon.png"));
            //groupMisc->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
            groupMisc->setTitle(QGroupBox::tr("Misc"));
            QGridLayout * MiscLayout = new QGridLayout(groupMisc);

            labelNN = new QLabel(groupMisc);
            labelNN->setText(QLabel::tr("Net nick"));
            MiscLayout->addWidget(labelNN, 0, 0);

            editNetNick = new QLineEdit(groupMisc);
            editNetNick->setMaxLength(20);
            editNetNick->setText(QLineEdit::tr("unnamed"));
            connect(editNetNick, SIGNAL(editingFinished()), this, SLOT(trimNetNick()));
            MiscLayout->addWidget(editNetNick, 0, 1);
            
            labelNetPassword = new QLabel(groupMisc);
            labelNetPassword->setText(QLabel::tr("Password"));
            MiscLayout->addWidget(labelNetPassword, 1, 0);
            
            editNetPassword = new QLineEdit(groupMisc);
            editNetPassword->setEchoMode(QLineEdit::Password);
            MiscLayout->addWidget(editNetPassword, 1, 1);

            QLabel *labelLanguage = new QLabel(groupMisc);
            labelLanguage->setText(QLabel::tr("Locale") + " *");
            MiscLayout->addWidget(labelLanguage, 2, 0);

            CBLanguage = new QComboBox(groupMisc);
            QDir tmpdir;
            tmpdir.cd(cfgdir->absolutePath());
            tmpdir.cd("Data/Locale");
            tmpdir.setFilter(QDir::Files);
            QStringList locs = tmpdir.entryList(QStringList("hedgewars_*.qm"));
            CBLanguage->addItem(QComboBox::tr("(System default)"), QString(""));
            for(int i = 0; i < locs.count(); i++)
            {
                QLocale loc(locs[i].replace(QRegExp("hedgewars_(.*)\\.qm"), "\\1"));
                CBLanguage->addItem(QLocale::languageToString(loc.language()) + " (" + QLocale::countryToString(loc.country()) + ")", loc.name());
            }

            tmpdir.cd(datadir->absolutePath());
            tmpdir.cd("Locale");
            tmpdir.setFilter(QDir::Files);
            QStringList tmplist = tmpdir.entryList(QStringList("hedgewars_*.qm"));
            for(int i = 0; i < tmplist.count(); i++)
            {
                if (locs.contains(tmplist[i])) continue;
                QLocale loc(tmplist[i].replace(QRegExp("hedgewars_(.*)\\.qm"), "\\1"));
                CBLanguage->addItem(QLocale::languageToString(loc.language()) + " (" + QLocale::countryToString(loc.country()) + ")", loc.name());
            }

            MiscLayout->addWidget(CBLanguage, 2, 1);

            CBAltDamage = new QCheckBox(groupMisc);
            CBAltDamage->setText(QCheckBox::tr("Alternative damage show"));
            MiscLayout->addWidget(CBAltDamage, 3, 0, 1, 2);

            CBNameWithDate = new QCheckBox(groupMisc);
            CBNameWithDate->setText(QCheckBox::tr("Append date and time to record file name"));
            MiscLayout->addWidget(CBNameWithDate, 4, 0, 1, 2);

            BtnAssociateFiles = new QPushButton(groupMisc);
            BtnAssociateFiles->setText(QPushButton::tr("Associate file extensions"));
            BtnAssociateFiles->setEnabled(!custom_data && !custom_config);
            MiscLayout->addWidget(BtnAssociateFiles, 5, 0, 1, 2);

#ifdef __APPLE__
#ifdef SPARKLE_ENABLED
            CBAutoUpdate = new QCheckBox(groupMisc);
            CBAutoUpdate->setText(QCheckBox::tr("Check for updates at startup"));
            MiscLayout->addWidget(CBAutoUpdate, 6, 0, 1, 3);
#endif
#endif
            gbTBLayout->addWidget(groupMisc, 2, 0);
        }

        {
            AGGroupBox = new IconedGroupBox(this);
            //AGGroupBox->setContentTopPadding(0);
            AGGroupBox->setIcon(QIcon(":/res/graphicsicon.png"));
            //AGGroupBox->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
            AGGroupBox->setTitle(QGroupBox::tr("Audio/Graphic options"));

            QVBoxLayout * GBAlayout = new QVBoxLayout(AGGroupBox);
            QHBoxLayout * GBAreslayout = new QHBoxLayout(0);
            QHBoxLayout * GBAstereolayout = new QHBoxLayout(0);
            QHBoxLayout * GBAqualayout = new QHBoxLayout(0);

            CBFrontendFullscreen = new QCheckBox(AGGroupBox);
            CBFrontendFullscreen->setText(QCheckBox::tr("Frontend fullscreen"));
            GBAlayout->addWidget(CBFrontendFullscreen);

            CBFrontendEffects = new QCheckBox(AGGroupBox);
            CBFrontendEffects->setText(QCheckBox::tr("Frontend effects") + " *");
            GBAlayout->addWidget(CBFrontendEffects);

            CBEnableFrontendSound = new QCheckBox(AGGroupBox);
            CBEnableFrontendSound->setText(QCheckBox::tr("Enable frontend sounds"));
            GBAlayout->addWidget(CBEnableFrontendSound);

            CBEnableFrontendMusic = new QCheckBox(AGGroupBox);
            CBEnableFrontendMusic->setText(QCheckBox::tr("Enable frontend music"));
            GBAlayout->addWidget(CBEnableFrontendMusic);

            QFrame * hr = new QFrame(AGGroupBox);
            hr->setFrameStyle(QFrame::HLine);
            hr->setLineWidth(3);
            hr->setFixedHeight(10);
            GBAlayout->addWidget(hr);

            QLabel * resolution = new QLabel(AGGroupBox);
            resolution->setText(QLabel::tr("Resolution"));
            GBAreslayout->addWidget(resolution);

            CBResolution = new QComboBox(AGGroupBox);
            GBAreslayout->addWidget(CBResolution);
            GBAlayout->addLayout(GBAreslayout);

            CBFullscreen = new QCheckBox(AGGroupBox);
            CBFullscreen->setText(QCheckBox::tr("Fullscreen"));
            GBAlayout->addWidget(CBFullscreen);

            QLabel * quality = new QLabel(AGGroupBox);
            quality->setText(QLabel::tr("Quality"));
            quality->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
            GBAqualayout->addWidget(quality);
            
            SLQuality = new QSlider(Qt::Horizontal, AGGroupBox);
            SLQuality->setTickPosition(QSlider::TicksBelow);
            SLQuality->setMaximum(5);
            SLQuality->setMinimum(0);
            SLQuality->setFixedWidth(150);
            GBAqualayout->addWidget(SLQuality);
            GBAlayout->addLayout(GBAqualayout);

            QLabel * stereo = new QLabel(AGGroupBox);
            stereo->setText(QLabel::tr("Stereo rendering"));
            GBAstereolayout->addWidget(stereo);

            CBStereoMode = new QComboBox(AGGroupBox);
            CBStereoMode->addItem(QComboBox::tr("Disabled"));
            CBStereoMode->addItem(QComboBox::tr("Red/Cyan"));
            CBStereoMode->addItem(QComboBox::tr("Cyan/Red"));
            CBStereoMode->addItem(QComboBox::tr("Red/Blue"));
            CBStereoMode->addItem(QComboBox::tr("Blue/Red"));
            CBStereoMode->addItem(QComboBox::tr("Red/Green"));
            CBStereoMode->addItem(QComboBox::tr("Green/Red"));
            CBStereoMode->addItem(QComboBox::tr("Side-by-side"));
            CBStereoMode->addItem(QComboBox::tr("Top-Bottom"));
            CBStereoMode->addItem(QComboBox::tr("Wiggle"));
            CBStereoMode->addItem(QComboBox::tr("Red/Cyan grayscale"));
            CBStereoMode->addItem(QComboBox::tr("Cyan/Red grayscale"));
            CBStereoMode->addItem(QComboBox::tr("Red/Blue grayscale"));
            CBStereoMode->addItem(QComboBox::tr("Blue/Red grayscale"));
            CBStereoMode->addItem(QComboBox::tr("Red/Green grayscale"));
            CBStereoMode->addItem(QComboBox::tr("Green/Red grayscale"));
            connect(CBStereoMode, SIGNAL(currentIndexChanged(int)), this, SLOT(forceFullscreen(int)));

            GBAstereolayout->addWidget(CBStereoMode);
            GBAlayout->addLayout(GBAstereolayout);

            hr = new QFrame(AGGroupBox);
            hr->setFrameStyle(QFrame::HLine);
            hr->setLineWidth(3);
            hr->setFixedHeight(10);
            GBAlayout->addWidget(hr);

            QHBoxLayout * GBAvollayout = new QHBoxLayout(0);
            QLabel * vol = new QLabel(AGGroupBox);
            vol->setText(QLabel::tr("Initial sound volume"));
            GBAvollayout->addWidget(vol);
            GBAlayout->addLayout(GBAvollayout);
            volumeBox = new QSpinBox(AGGroupBox);
            volumeBox->setRange(0, 100);
            volumeBox->setSingleStep(5);
            GBAvollayout->addWidget(volumeBox);

            CBEnableSound = new QCheckBox(AGGroupBox);
            CBEnableSound->setText(QCheckBox::tr("Enable sound"));
            GBAlayout->addWidget(CBEnableSound);

            CBEnableMusic = new QCheckBox(AGGroupBox);
            CBEnableMusic->setText(QCheckBox::tr("Enable music"));
            GBAlayout->addWidget(CBEnableMusic);

            hr = new QFrame(AGGroupBox);
            hr->setFrameStyle(QFrame::HLine);
            hr->setLineWidth(3);
            hr->setFixedHeight(10);
            GBAlayout->addWidget(hr);

            QHBoxLayout * GBAfpslayout = new QHBoxLayout(0);
            QLabel * maxfps = new QLabel(AGGroupBox);
            maxfps->setText(QLabel::tr("FPS limit"));
            GBAfpslayout->addWidget(maxfps);
            GBAlayout->addLayout(GBAfpslayout);
            fpsedit = new FPSEdit(AGGroupBox);
            GBAfpslayout->addWidget(fpsedit);

            CBShowFPS = new QCheckBox(AGGroupBox);
            CBShowFPS->setText(QCheckBox::tr("Show FPS"));
            GBAlayout->addWidget(CBShowFPS);

            hr = new QFrame(AGGroupBox);
            hr->setFrameStyle(QFrame::HLine);
            hr->setLineWidth(3);
            hr->setFixedHeight(10);
            GBAlayout->addWidget(hr);

            QLabel *restartNote = new QLabel(this);
            restartNote->setText(QString("* ") + QLabel::tr("Restart game to apply"));
            restartNote->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
            GBAlayout->addWidget(restartNote);

            gbTBLayout->addWidget(AGGroupBox, 0, 1, 3, 1);
        }

    previousQuality = this->SLQuality->value();
    previousResolutionIndex = this->CBResolution->currentIndex();
    previousFullscreenValue = this->CBFullscreen->isChecked();

    return pageLayout;
}

QLayout * PageOptions::footerLayoutDefinition()
{
    QHBoxLayout * bottomLayout = new QHBoxLayout();
    btnSave = addButton(":/res/Save.png", bottomLayout, 0, true);
    btnSave->setStyleSheet("QPushButton{margin: 24px 0 0 0;}");
    bottomLayout->setAlignment(btnSave, Qt::AlignRight | Qt::AlignBottom);
    return bottomLayout;
}

void PageOptions::connectSignals()
{
    connect(CBResolution, SIGNAL(currentIndexChanged(int)), this, SLOT(setResolution(int)));
    connect(CBFullscreen, SIGNAL(stateChanged(int)), this, SLOT(setFullscreen(int)));
    connect(SLQuality, SIGNAL(valueChanged(int)), this, SLOT(setQuality(int)));
}

PageOptions::PageOptions(QWidget* parent) : AbstractPage(parent)
{
    initPage();
}

void PageOptions::forceFullscreen(int index)
{
    bool forced = (index == 7 || index == 8 || index == 9);

    if (index != 0) {
        this->SLQuality->setValue(this->SLQuality->maximum());
        this->SLQuality->setEnabled(false);
        this->CBFullscreen->setEnabled(!forced);
        this->CBFullscreen->setChecked(forced ? true : previousFullscreenValue);
        this->CBResolution->setCurrentIndex(forced ? 0 : previousResolutionIndex);
    } else {
        this->SLQuality->setEnabled(true);
        this->CBFullscreen->setEnabled(true);
        this->SLQuality->setValue(previousQuality);
        this->CBFullscreen->setChecked(previousFullscreenValue);
        this->CBResolution->setCurrentIndex(previousResolutionIndex);
    }
}

void PageOptions::setQuality(int value)
{
    Q_UNUSED(value);

    int index = this->CBStereoMode->currentIndex();
    if (index == 0)
        previousQuality = this->SLQuality->value();
}

void PageOptions::setFullscreen(int state)
{
    Q_UNUSED(state);

    int index = this->CBStereoMode->currentIndex();
    if (index != 7 && index != 8 && index != 9)
        previousFullscreenValue = this->CBFullscreen->isChecked();
}

void PageOptions::setResolution(int state)
{
    Q_UNUSED(state);

    int index = this->CBStereoMode->currentIndex();
    if (index != 7 && index != 8 && index != 9)
        previousResolutionIndex = this->CBResolution->currentIndex();
}

void PageOptions::trimNetNick()
{
    editNetNick->setText(editNetNick->text().trimmed());
}

void PageOptions::requestEditSelectedTeam()
{
    emit editTeamRequested(CBTeamName->currentText());
}

void PageOptions::requestDeleteSelectedTeam()
{
    emit deleteTeamRequested(CBTeamName->currentText());
}

void PageOptions::setTeamOptionsEnabled(bool enabled)
{
    BtnNewTeam->setVisible(enabled);
    BtnEditTeam->setVisible(enabled);
    BtnDeleteTeam->setVisible(enabled);
    CBTeamName->setVisible(enabled);
    LblNoEditTeam->setVisible(!enabled);
}