/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2004-2015 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include <QGridLayout>

#include <QHBoxLayout>

#include <QPushButton>

#include <QLabel>

#include <QTime>

#include <QSettings>

#include "pagemain.h"

#include "hwconsts.h"

#include "hwform.h"

#include "DataManager.h"

QLayout * PageMain::bodyLayoutDefinition()

{

    QGridLayout * pageLayout = new QGridLayout();

    //pageLayout->setColumnStretch(0, 1);

    //pageLayout->setColumnStretch(1, 2);

    //pageLayout->setColumnStretch(2, 1);

    //QPushButton* btnLogo = addButton(":/res/HedgewarsTitle.png", pageLayout, 0, 0, 1, 4, true);

    //pageLayout->setAlignment(btnLogo, Qt::AlignHCenter);

    pageLayout->setRowStretch(0, 1);

    pageLayout->setRowStretch(1, 1);

    pageLayout->setRowStretch(2, 0);

    pageLayout->setRowStretch(3, 1);

    pageLayout->setRowStretch(4, 1);

    BtnSinglePlayer = addButton(":/res/LocalPlay.png", pageLayout, 2, 0, 1, 2, true);

    BtnSinglePlayer->setWhatsThis(tr("Play a game on a single computer"));

    pageLayout->setAlignment(BtnSinglePlayer, Qt::AlignHCenter);

    //BtnNet = addButton(":/res/NetworkPlay.png", (QBoxLayout*)netLayout, 1, true);

    BtnNet = addButton(":/res/NetworkPlay.png", pageLayout, 2, 2, 1, 2, true);

    BtnNet->setWhatsThis(tr("Play a game across a network"));

    pageLayout->setAlignment(BtnNet, Qt::AlignHCenter);

    originalNetworkIcon = BtnNet->icon();

    disabledNetworkIcon = QIcon(":/res/NetworkPlayDisabled.png");

    //QWidget *netLayoutWidget = new QWidget();

    QVBoxLayout *netLayout = new QVBoxLayout(BtnNet);

    //pageLayout->addWidget(netLayoutWidget, 2, 2, 1, 2);

    //netLayoutWidget->setStyleSheet("background: green;");

    //netLayoutWidget->setFixedSize(314, 260);

    netLayout->setSpacing(20);

    netLayout->setAlignment(Qt::AlignHCenter);

    BtnNetLocal = addButton(tr("Play local network game"), (QBoxLayout*)netLayout, 0, false);

    BtnNetLocal->setWhatsThis(tr("Play a game across a local area network"));

    BtnNetLocal->setFixedSize(BtnNet->width() - 50, 60);

    BtnNetLocal->setVisible(false);

    BtnNetOfficial = addButton(tr("Play official network game"), (QBoxLayout*)netLayout, 0, false);

    BtnNetOfficial->setWhatsThis(tr("Play a game on an official server"));

    BtnNetOfficial->setFixedSize(BtnNet->width() - 50, 60);

    BtnNetOfficial->setVisible(false);

    // button order matters for overlapping (what's on top and what isn't)

    BtnTitle = addButton(":/res/HedgewarsTitle.png", pageLayout, 0, 0, 1, 4, true);

    BtnTitle ->setObjectName("infoButton");

    BtnTitle->setWhatsThis(tr("Read about who is behind the Hedgewars Project"));

    pageLayout->setAlignment(BtnTitle, Qt::AlignHCenter);

    BtnInfo = addButton(":/res/AboutIcon.png", pageLayout, 0, 0, 1, 1, true);

    BtnInfo->setWhatsThis(tr("Read about who is behind the Hedgewars Project"));

    pageLayout->setAlignment(BtnInfo, Qt::AlignLeft | Qt::AlignTop);

    BtnFeedback = addButton(tr("Feedback"), pageLayout, 4, 0, 1, 4, false);

    BtnFeedback->setStyleSheet("padding: 5px 10px");

    BtnFeedback->setWhatsThis(tr("Leave a feedback here reporting issues, suggesting features or just saying how you like Hedgewars"));

    pageLayout->setAlignment(BtnFeedback, Qt::AlignHCenter);

    BtnDataDownload = addButton(tr("Downloadable Content"), pageLayout, 5, 0, 1, 4, false);

    BtnDataDownload->setStyleSheet("padding: 5px 10px");

    BtnDataDownload->setWhatsThis(tr("Access the user created content downloadable from our website"));

    pageLayout->setAlignment(BtnDataDownload, Qt::AlignHCenter);

    // disable exit button sound

    btnBack->isSoundEnabled = false;

    return pageLayout;

}

QLayout * PageMain::footerLayoutDefinition()

{

    QHBoxLayout * bottomLayout = new QHBoxLayout();

    mainNote = new QLabel(this);

    mainNote->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);

    mainNote->setWordWrap(true);

    bottomLayout->addWidget(mainNote, 0);

    bottomLayout->setStretch(0,1);

    btnBack->setWhatsThis(tr("Exit game"));

#ifdef VIDEOREC

    BtnVideos = addButton(":/res/Videos.png", bottomLayout, 1, true, Qt::AlignBottom);

    BtnVideos->setWhatsThis(tr("Manage videos recorded from game"));

#endif

    BtnHelp = addButton(":/res/Help.png", bottomLayout, 2, true, Qt::AlignBottom);

    BtnHelp->setWhatsThis(tr("Open the Hedgewars online game manual in your web browser"));

    BtnSetup = addButton(":/res/Settings.png", bottomLayout, 3, true, Qt::AlignBottom);

    BtnSetup->setWhatsThis(tr("Edit game preferences"));

    return bottomLayout;

}

void PageMain::connectSignals()

{

#ifndef QT_DEBUG

    connect(this, SIGNAL(pageEnter()), this, SLOT(updateTip()));

#endif

    connect(BtnNet, SIGNAL(clicked()), this, SLOT(toggleNetworkChoice()));

    //connect(BtnNetLocal, SIGNAL(clicked()), this, SLOT(toggleNetworkChoice()));

    //connect(BtnNetOfficial, SIGNAL(clicked()), this, SLOT(toggleNetworkChoice()));

    // TODO: add signal-forwarding required by (currently missing) encapsulation

}

PageMain::PageMain(QWidget* parent) : AbstractPage(parent)

{

    initPage();

    if(frontendEffects)

        setAttribute(Qt::WA_NoSystemBackground, true);

    mainNote->setOpenExternalLinks(true);

#ifdef QT_DEBUG

    setDefaultDescription(QLabel::tr("This development build is 'work in progress' and may not be compatible with other versions of the game, while some features might be broken or incomplete!"));

#else

    setDefaultDescription(QLabel::tr("Tip: %1").arg(randomTip()));

#endif

}

void PageMain::updateTip()

{

    setDefaultDescription(QLabel::tr("Tip: %1").arg(randomTip()));

}

QString PageMain::randomTip()

{

#ifdef _WIN32

    int platform = 1;

#elif defined __APPLE__

    int platform = 2;

#else

    int platform = 3;

#endif

    if(!Tips.length())

    {

        DataManager & dataMgr = DataManager::instance();

        // get locale

        QSettings settings(dataMgr.settingsFileName(),

                           QSettings::IniFormat);

        QString loc = QLocale().name();

        QString tipFile = QString("physfs://Locale/tips_" + loc + ".xml");

        // if file is non-existant try with language only

        if (!QFile::exists(tipFile))

            tipFile = QString("physfs://Locale/tips_" + loc.remove(QRegExp("_.*$")) + ".xml");

        // fallback if file for current locale is non-existant

        if (!QFile::exists(tipFile))

            tipFile = QString("physfs://Locale/tips_en.xml");

        QFile file(tipFile);

        file.open(QIODevice::ReadOnly);

        QTextStream in(&file);

        in.setCodec("UTF-8");

        QString line = in.readLine();

        int tip_platform = 0;

        while (!line.isNull()) {

            if(line.contains("<windows-only>", Qt::CaseSensitive))

                tip_platform = 1;

            if(line.contains("<mac-only>", Qt::CaseSensitive))

                tip_platform = 2;

            if(line.contains("<linux-only>", Qt::CaseSensitive))

                tip_platform = 3;

            if(line.contains("</windows-only>", Qt::CaseSensitive) ||

                    line.contains("</mac-only>", Qt::CaseSensitive) ||

                    line.contains("</linux-only>", Qt::CaseSensitive)) {

                tip_platform = 0;

            }

            QStringList split_string = line.split(QRegExp("</?tip>"));

            if((tip_platform == platform || tip_platform == 0) && split_string.size() != 1)

                Tips << split_string[1];

            line = in.readLine();

        }

        // The following tip will require links to app store entries first.

        //Tips << tr("Want to play Hedgewars any time? Grab the Mobile version for %1 and %2.", "Tips").arg("").arg("");

        // the ios version is located here: http://itunes.apple.com/us/app/hedgewars/id391234866

        file.close();

    }

    if(Tips.length())

        return Tips[QTime(0, 0, 0).secsTo(QTime::currentTime()) % Tips.length()];

    else

        return QString();

}

void PageMain::toggleNetworkChoice()

{

    bool visible = BtnNetLocal->isVisible();

    BtnNetLocal->setVisible(!visible);

    BtnNetOfficial->setVisible(!visible);

    if (visible)    BtnNet->setIcon(originalNetworkIcon);

    else            BtnNet->setIcon(disabledNetworkIcon);

}

void PageMain::resetNetworkChoice()

{

    BtnNetLocal->setVisible(false);

    BtnNetOfficial->setVisible(false);

    BtnNet->setIcon(originalNetworkIcon);

}