/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2006-2010 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 <QResizeEvent>

#include <QGroupBox>

#include <QCheckBox>

#include <QGridLayout>

#include <QSpinBox>

#include <QLabel>

#include <QMessageBox>

#include <QTableView>

#include <QPushButton>

#include "gamecfgwidget.h"

#include "igbox.h"

#include "hwconsts.h"

#include "ammoSchemeModel.h"

#include "proto.h"

GameCFGWidget::GameCFGWidget(QWidget* parent, bool externalControl) :

  QGroupBox(parent), mainLayout(this)

{

    mainLayout.setMargin(0);

//  mainLayout.setSizeConstraint(QLayout::SetMinimumSize);

    pMapContainer = new HWMapContainer(this);

    mainLayout.addWidget(pMapContainer, 0, 0);

    IconedGroupBox *GBoxOptions = new IconedGroupBox(this);

    GBoxOptions->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);

    mainLayout.addWidget(GBoxOptions);

    QGridLayout *GBoxOptionsLayout = new QGridLayout(GBoxOptions);

    GBoxOptionsLayout->addWidget(new QLabel(QLabel::tr("Gameplay"), GBoxOptions), 0, 0);

    Scripts = new QComboBox(GBoxOptions);

    GBoxOptionsLayout->addWidget(Scripts, 0, 1);

    Scripts->addItem(QComboBox::tr("Normal"));

    Scripts->insertSeparator(1);

    for (int i = 0; i < scriptList->size(); ++i) {

        QString script = (*scriptList)[i].remove(".lua", Qt::CaseInsensitive);

        QList<QVariant> scriptInfo;

        QFile scriptCfgFile(QString("%1/Scripts/Multiplayer/%2.cfg").arg(datadir->absolutePath()).arg(script));

        if (scriptCfgFile.exists() && scriptCfgFile.open(QFile::ReadOnly)) {

            QString scheme;

            QString weapons;

            QTextStream input(&scriptCfgFile);

            input >> scheme;

            input >> weapons;

            if (scheme.isEmpty())

                scheme = "locked";

            scheme.replace("_", " ");

            if (weapons.isEmpty())

                weapons = "locked";

            weapons.replace("_", " ");

            scriptInfo.push_back(scheme);

            scriptInfo.push_back(weapons);

            scriptCfgFile.close();

        }

        else

        {

            scriptInfo.push_back("locked");

            scriptInfo.push_back("locked");

        }

        Scripts->addItem(script, scriptInfo);

    }

    connect(Scripts, SIGNAL(currentIndexChanged(int)), this, SLOT(scriptChanged(int)));

    QWidget *SchemeWidget = new QWidget(GBoxOptions);

    GBoxOptionsLayout->addWidget(SchemeWidget, 1, 0, 1, 2);

    QGridLayout *SchemeWidgetLayout = new QGridLayout(SchemeWidget);

    SchemeWidgetLayout->setMargin(0);

    GameSchemes = new QComboBox(SchemeWidget);

    SchemeWidgetLayout->addWidget(GameSchemes, 0, 2);

    connect(GameSchemes, SIGNAL(currentIndexChanged(int)), this, SLOT(schemeChanged(int)));

    SchemeWidgetLayout->addWidget(new QLabel(QLabel::tr("Game scheme"), SchemeWidget), 0, 0);

    QPixmap pmEdit(":/res/edit.png");

    QPushButton * goToSchemePage = new QPushButton(SchemeWidget);

    goToSchemePage->setToolTip(tr("Edit schemes"));

    goToSchemePage->setIconSize(pmEdit.size());

    goToSchemePage->setIcon(pmEdit);

    goToSchemePage->setMaximumWidth(pmEdit.width() + 6);

    SchemeWidgetLayout->addWidget(goToSchemePage, 0, 3);

    connect(goToSchemePage, SIGNAL(clicked()), this, SLOT(jumpToSchemes()));

    SchemeWidgetLayout->addWidget(new QLabel(QLabel::tr("Weapons"), SchemeWidget), 1, 0);

    WeaponsName = new QComboBox(SchemeWidget);

    SchemeWidgetLayout->addWidget(WeaponsName, 1, 2);

    connect(WeaponsName, SIGNAL(currentIndexChanged(int)), this, SLOT(ammoChanged(int)));

    QPushButton * goToWeaponPage = new QPushButton(SchemeWidget);

    goToWeaponPage->setToolTip(tr("Edit weapons"));

    goToWeaponPage->setIconSize(pmEdit.size());

    goToWeaponPage->setIcon(pmEdit);

    goToWeaponPage->setMaximumWidth(pmEdit.width() + 6);

    SchemeWidgetLayout->addWidget(goToWeaponPage, 1, 3);

    connect(goToWeaponPage, SIGNAL(clicked()), this, SLOT(jumpToWeapons()));

    //GBoxOptionsLayout->addWidget(new QLabel(QLabel::tr("Bind schemes with weapons"), GBoxOptions), 2, 0);

    bindEntries = new QCheckBox(SchemeWidget);

    bindEntries->setToolTip(tr("When this option is enabled selecting a game scheme will auto-select a weapon"));

    bindEntries->setChecked(true);

    bindEntries->setMaximumWidth(42);

    bindEntries->setStyleSheet( "QCheckBox::indicator:checked   { image: url(\":/res/lock.png\"); }"

                                "QCheckBox::indicator:unchecked { image: url(\":/res/unlock.png\");   }" );

    SchemeWidgetLayout->addWidget(bindEntries, 0, 1, 0, 1, Qt::AlignVCenter);

    //GBoxOptionsLayout->addWidget(bindEntries, 2, 2);

    connect(pMapContainer, SIGNAL(seedChanged(const QString &)), this, SLOT(seedChanged(const QString &)));

    connect(pMapContainer, SIGNAL(mapChanged(const QString &)), this, SLOT(mapChanged(const QString &)));

    connect(pMapContainer, SIGNAL(mapgenChanged(MapGenerator)), this, SLOT(mapgenChanged(MapGenerator)));

    connect(pMapContainer, SIGNAL(maze_sizeChanged(int)), this, SLOT(maze_sizeChanged(int)));

    connect(pMapContainer, SIGNAL(themeChanged(const QString &)), this, SLOT(themeChanged(const QString &)));

    connect(pMapContainer, SIGNAL(newTemplateFilter(int)), this, SLOT(templateFilterChanged(int)));

    connect(pMapContainer, SIGNAL(drawMapRequested()), this, SIGNAL(goToDrawMap()));

    connect(pMapContainer, SIGNAL(drawnMapChanged(const QByteArray &)), this, SLOT(onDrawnMapChanged(const QByteArray &)));

}

void GameCFGWidget::jumpToSchemes()

{

    emit goToSchemes(GameSchemes->currentIndex());

}

void GameCFGWidget::jumpToWeapons()

{

    emit goToWeapons(WeaponsName->currentIndex());

}

QVariant GameCFGWidget::schemeData(int column) const

{

    return GameSchemes->model()->data(GameSchemes->model()->index(GameSchemes->currentIndex(), column));

}

quint32 GameCFGWidget::getGameFlags() const

{

    quint32 result = 0;

    if (schemeData(1).toBool())

        result |= 0x00001000;       // fort

    if (schemeData(2).toBool())

        result |= 0x00000010;       // divide teams

    if (schemeData(3).toBool())

        result |= 0x00000004;       // solid land

    if (schemeData(4).toBool())

        result |= 0x00000008;       // border

    if (schemeData(5).toBool())

        result |= 0x00000020;       // low gravity

    if (schemeData(6).toBool())

        result |= 0x00000040;       // laser sight

    if (schemeData(7).toBool())

        result |= 0x00000080;       // invulnerable

    if (schemeData(8).toBool())

        result |= 0x00000100;       // mines

    if (schemeData(9).toBool())

        result |= 0x00000200;       // vampirism

    if (schemeData(10).toBool())

        result |= 0x00000400;       // karma

    if (schemeData(11).toBool())

        result |= 0x00000800;       // artillery

    if (schemeData(12).toBool())

        result |= 0x00002000;       // random

    if (schemeData(13).toBool())

        result |= 0x00004000;       // king

    if (schemeData(14).toBool())

        result |= 0x00008000;       // place hogs

    if (schemeData(15).toBool())

        result |= 0x00010000;       // shared ammo

    if (schemeData(16).toBool())

        result |= 0x00020000;       // disable girders

    if (schemeData(17).toBool())

        result |= 0x00040000;       // disable land obj

    if (schemeData(18).toBool())

        result |= 0x00080000;       // ai survival

    if (schemeData(19).toBool())

        result |= 0x00100000;       // infinite attacks

    if (schemeData(20).toBool())

        result |= 0x00200000;       // reset weaps

    if (schemeData(21).toBool())

        result |= 0x00400000;       // per hog ammo

    if (schemeData(22).toBool())

        result |= 0x00800000;       // no wind

    if (schemeData(23).toBool())

        result |= 0x01000000;       // more wind

    return result;

}

quint32 GameCFGWidget::getInitHealth() const

{

    return schemeData(26).toInt();

}

QByteArray GameCFGWidget::getFullConfig() const

{

    QList<QByteArray> bcfg;

    int mapgen = pMapContainer->get_mapgen();

    bcfg << QString("eseed " + pMapContainer->getCurrentSeed()).toUtf8();

    bcfg << QString("e$gmflags %1").arg(getGameFlags()).toUtf8();

    bcfg << QString("e$damagepct %1").arg(schemeData(24).toInt()).toUtf8();

    bcfg << QString("e$turntime %1").arg(schemeData(25).toInt() * 1000).toUtf8();

    bcfg << QString("e$sd_turns %1").arg(schemeData(27).toInt()).toUtf8();

    bcfg << QString("e$casefreq %1").arg(schemeData(28).toInt()).toUtf8();

    bcfg << QString("e$minestime %1").arg(schemeData(29).toInt() * 1000).toUtf8();

    bcfg << QString("e$minesnum %1").arg(schemeData(30).toInt()).toUtf8();

    bcfg << QString("e$minedudpct %1").arg(schemeData(31).toInt()).toUtf8();

    bcfg << QString("e$explosives %1").arg(schemeData(32).toInt()).toUtf8();

    bcfg << QString("e$healthprob %1").arg(schemeData(33).toInt()).toUtf8();

    bcfg << QString("e$hcaseamount %1").arg(schemeData(34).toInt()).toUtf8();

    bcfg << QString("e$waterrise %1").arg(schemeData(35).toInt()).toUtf8();

    bcfg << QString("e$healthdec %1").arg(schemeData(36).toInt()).toUtf8();

    bcfg << QString("e$ropepct %1").arg(schemeData(37).toInt()).toUtf8();

    bcfg << QString("e$template_filter %1").arg(pMapContainer->getTemplateFilter()).toUtf8();

    bcfg << QString("e$mapgen %1").arg(mapgen).toUtf8();

    switch (mapgen)

    {

        case MAPGEN_MAZE:

            bcfg << QString("e$maze_size %1").arg(pMapContainer->get_maze_size()).toUtf8();

        case MAPGEN_DRAWN:

        {

            QByteArray data = pMapContainer->getDrawnMapData();

            while(data.size() > 0)

            {

                QByteArray tmp = data;

                tmp.truncate(200);

                tmp.prepend("edraw ");

                bcfg << tmp;

                data.remove(0, 200);

            }

        }

        default: ;

    }

    QString currentMap = pMapContainer->getCurrentMap();

    if (currentMap.size() > 0)

    {

        bcfg << QString("emap " + currentMap).toUtf8();

        if(pMapContainer->getCurrentIsMission())

            bcfg << QString("escript Maps/%1/map.lua").arg(currentMap).toUtf8();

    }

    bcfg << QString("etheme " + pMapContainer->getCurrentTheme()).toUtf8();

    if (Scripts->currentIndex() > 0)

    {

        bcfg << QString("escript Scripts/Multiplayer/%1.lua").arg(Scripts->currentText()).toUtf8();

    }

    QByteArray result;

    foreach(QByteArray ba, bcfg)

        HWProto::addByteArrayToBuffer(result, ba);

    return result;

}

void GameCFGWidget::setNetAmmo(const QString& name, const QString& ammo)

{

    bool illegal = ammo.size() != cDefaultAmmoStore->size();

    if (illegal)

        QMessageBox::critical(this, tr("Error"), tr("Illegal ammo scheme"));

    int pos = WeaponsName->findText(name);

    if ((pos == -1) || illegal) { // prevent from overriding schemes with bad ones

        WeaponsName->addItem(name, ammo);

        WeaponsName->setCurrentIndex(WeaponsName->count() - 1);

    } else {

        WeaponsName->setItemData(pos, ammo);

        WeaponsName->setCurrentIndex(pos);

    }

}

void GameCFGWidget::fullNetConfig()

{

    ammoChanged(WeaponsName->currentIndex());

    seedChanged(pMapContainer->getCurrentSeed());

    templateFilterChanged(pMapContainer->getTemplateFilter());

    themeChanged(pMapContainer->getCurrentTheme());

    schemeChanged(GameSchemes->currentIndex());

    scriptChanged(Scripts->currentIndex());

    mapgenChanged(pMapContainer->get_mapgen());

    maze_sizeChanged(pMapContainer->get_maze_size());

    // map must be the last

    QString map = pMapContainer->getCurrentMap();

    if (map.size())

        mapChanged(map);

}

void GameCFGWidget::setParam(const QString & param, const QStringList & slValue)

{

    if (slValue.size() == 1)

    {

        QString value = slValue[0];

        if (param == "MAP") {

            pMapContainer->setMap(value);

            return;

        }

        if (param == "SEED") {

            pMapContainer->setSeed(value);

            return;

        }

        if (param == "THEME") {

            pMapContainer->setTheme(value);

            return;

        }

        if (param == "TEMPLATE") {

            pMapContainer->setTemplateFilter(value.toUInt());

            return;

        }

        if (param == "MAPGEN") {

            pMapContainer->setMapgen((MapGenerator)value.toUInt());

            return;

        }

        if (param == "MAZE_SIZE") {

            pMapContainer->setMaze_size(value.toUInt());

            return;

        }

        if (param == "SCRIPT") {

            Scripts->setCurrentIndex(Scripts->findText(value));

            return;

        }

    }

    if (slValue.size() == 2)

    {

        if (param == "AMMO") {

            setNetAmmo(slValue[0], slValue[1]);

            return;

        }

    }

    qWarning("Got bad config param from net");

}

void GameCFGWidget::ammoChanged(int index)

{

    if (index >= 0) {

        emit paramChanged(

            "AMMO",

            QStringList() << WeaponsName->itemText(index) << WeaponsName->itemData(index).toString()

        );

    }

}

void GameCFGWidget::mapChanged(const QString & value)

{

    if(pMapContainer->getCurrentIsMission())

    {

        Scripts->setEnabled(false);

        Scripts->setCurrentIndex(0);

        if (pMapContainer->getCurrentScheme() == "locked")

        {

            GameSchemes->setEnabled(false);

            GameSchemes->setCurrentIndex(GameSchemes->findText("Default"));

        }

        else

        {

            GameSchemes->setEnabled(true);

            int num = GameSchemes->findText(pMapContainer->getCurrentScheme());

            if (num != -1)

                GameSchemes->setCurrentIndex(num);

            else

                GameSchemes->setCurrentIndex(GameSchemes->findText("Default"));

        }

        if (pMapContainer->getCurrentWeapons() == "locked")

        {

            WeaponsName->setEnabled(false);

            WeaponsName->setCurrentIndex(WeaponsName->findText("Default"));

        }

        else

        {

            WeaponsName->setEnabled(true);

            int num = WeaponsName->findText(pMapContainer->getCurrentWeapons());

            if (num != -1)

                WeaponsName->setCurrentIndex(num);

            else

                WeaponsName->setCurrentIndex(WeaponsName->findText("Default"));

        }

        if (pMapContainer->getCurrentScheme() != "locked" && pMapContainer->getCurrentWeapons() != "locked")

            bindEntries->setEnabled(true);

        else

            bindEntries->setEnabled(false);

    }

    else

    {

        Scripts->setEnabled(true);

        GameSchemes->setEnabled(true);

        WeaponsName->setEnabled(true);

        bindEntries->setEnabled(true);

    }

    emit paramChanged("MAP", QStringList(value));

}

void GameCFGWidget::templateFilterChanged(int value)

{

    emit paramChanged("TEMPLATE", QStringList(QString::number(value)));

}

void GameCFGWidget::seedChanged(const QString & value)

{

    emit paramChanged("SEED", QStringList(value));

}

void GameCFGWidget::themeChanged(const QString & value)

{

    emit paramChanged("THEME", QStringList(value));

}

void GameCFGWidget::schemeChanged(int index)

{

    QStringList sl;

    int size = GameSchemes->model()->columnCount();

    for(int i = 0; i < size; ++i)

        sl << schemeData(i).toString();

    emit paramChanged("SCHEME", sl);

    if (bindEntries->isEnabled() && bindEntries->isChecked()) {

        QString schemeName = GameSchemes->itemText(index);

        for (int i = 0; i < WeaponsName->count(); i++) {

             QString weapName = WeaponsName->itemText(i);

             int res = QString::compare(weapName, schemeName, Qt::CaseSensitive);

             if (0 == res) {

                 WeaponsName->setCurrentIndex(i);

                 emit ammoChanged(i);

                 break;

             }

        }

    }

}

void GameCFGWidget::scriptChanged(int index)

{

    if(index > 0)

    {

        QString scheme = Scripts->itemData(Scripts->currentIndex()).toList()[0].toString();

        QString weapons = Scripts->itemData(Scripts->currentIndex()).toList()[1].toString();

        if (scheme == "locked")

        {

            GameSchemes->setEnabled(false);

            GameSchemes->setCurrentIndex(GameSchemes->findText("Default"));