/*

 * 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 <QGridLayout>

#include <QPushButton>

#include <QGroupBox>

#include <QComboBox>

#include <QCheckBox>

#include <QLabel>

#include <QLineEdit>

#include <QSpinBox>

#include <QTableWidget>

#include "pagevideos.h"

#include "igbox.h"

#include "libav_iteraction.h"

#include "gameuiconfig.h"

QLayout * PageVideos::bodyLayoutDefinition()

{

    QGridLayout * pageLayout = new QGridLayout();

    pageLayout->setColumnStretch(0, 1);

    pageLayout->setColumnStretch(1, 1);

    {

        IconedGroupBox* groupRec = new IconedGroupBox(this);

        groupRec->setIcon(QIcon(":/res/graphicsicon.png"));

        groupRec->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);

        groupRec->setTitle(QGroupBox::tr("Video recording options"));

        QGridLayout * RecLayout = new QGridLayout(groupRec);

        // Label for format

        QLabel *labelFormat = new QLabel(groupRec);

        labelFormat->setText(QLabel::tr("Format"));

        RecLayout->addWidget(labelFormat, 0, 0);

        // List of supported formats

        CBAVFormats = new QComboBox(groupRec);

        RecLayout->addWidget(CBAVFormats, 0, 1, 1, 4);

        LibavIteraction::instance().FillFormats(CBAVFormats);

        QFrame * hr = new QFrame(groupRec);

        hr->setFrameStyle(QFrame::HLine);

        hr->setLineWidth(3);

        hr->setFixedHeight(10);

        RecLayout->addWidget(hr, 1, 0, 1, 5);

        // Label for audio codec

        QLabel *labelACodec = new QLabel(groupRec);

        labelACodec->setText(QLabel::tr("Audio codec"));

        RecLayout->addWidget(labelACodec, 2, 0);

        // List of supported audio codecs

        CBAudioCodecs = new QComboBox(groupRec);

        RecLayout->addWidget(CBAudioCodecs, 2, 1, 1, 3);

        // record audio

        CBRecordAudio = new QCheckBox(groupRec);

        CBRecordAudio->setText(QCheckBox::tr("Record audio"));

        RecLayout->addWidget(CBRecordAudio, 2, 4);

        hr = new QFrame(groupRec);

        hr->setFrameStyle(QFrame::HLine);

        hr->setLineWidth(3);

        hr->setFixedHeight(10);

        RecLayout->addWidget(hr, 3, 0, 1, 5);

        // Label for video codec

        QLabel *labelVCodec = new QLabel(groupRec);

        labelVCodec->setText(QLabel::tr("Video codec"));

        RecLayout->addWidget(labelVCodec, 4, 0);

        // List of supported video codecs

        CBVideoCodecs = new QComboBox(groupRec);

        RecLayout->addWidget(CBVideoCodecs, 4, 1, 1, 4);

        // Label for resolution

        QLabel *labelRes = new QLabel(groupRec);

        labelRes->setText(QLabel::tr("Resolution"));

        RecLayout->addWidget(labelRes, 5, 0);

        // width

        widthEdit = new QLineEdit(groupRec);

        widthEdit->setValidator(new QIntValidator(this));

        RecLayout->addWidget(widthEdit, 5, 1);

        // x

        QLabel *labelX = new QLabel(groupRec);

        labelX->setText("X");

        RecLayout->addWidget(labelX, 5, 2);

        // height

        heightEdit = new QLineEdit(groupRec);

        heightEdit->setValidator(new QIntValidator(groupRec));

        RecLayout->addWidget(heightEdit, 5, 3);

        // use game res

        CBUseGameRes = new QCheckBox(groupRec);

        CBUseGameRes->setText(QCheckBox::tr("Use game resolution"));

        RecLayout->addWidget(CBUseGameRes, 5, 4);

        // Label for framerate

        QLabel *labelFramerate = new QLabel(groupRec);

        labelFramerate->setText(QLabel::tr("Framerate"));

        RecLayout->addWidget(labelFramerate, 6, 0);

        // framerate

        framerateBox = new QSpinBox(groupRec);

        framerateBox->setRange(1, 200);

        framerateBox->setSingleStep(1);

        RecLayout->addWidget(framerateBox, 6, 1);

        BtnDefaults = new QPushButton(groupRec);

        BtnDefaults->setText(QPushButton::tr("Set default options"));

        RecLayout->addWidget(BtnDefaults, 7, 0, 1, 5);

        pageLayout->addWidget(groupRec, 0, 0);

    }

    {

        IconedGroupBox* groupTable = new IconedGroupBox(this);

        //groupRec->setContentTopPadding(0);

        groupTable->setIcon(QIcon(":/res/graphicsicon.png"));

        groupTable->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);

        groupTable->setTitle(QGroupBox::tr("Videos"));

        QStringList columns;

        columns << tr("Name") << tr("Lenght") << tr("...");

        filesTable = new QTableWidget(groupTable);

        filesTable->setColumnCount(3);

        filesTable->setHorizontalHeaderLabels(columns);

        QVBoxLayout *box = new QVBoxLayout(groupTable);

        box->addWidget(filesTable);

        pageLayout->addWidget(groupTable, 0, 1, 2, 1);

    }

    return pageLayout;

}

QLayout * PageVideos::footerLayoutDefinition()

{

    return NULL;

}

void PageVideos::connectSignals()

{

    connect(CBUseGameRes, SIGNAL(stateChanged(int)), this, SLOT(changeUseGameRes(int)));

    connect(CBRecordAudio, SIGNAL(stateChanged(int)), this, SLOT(changeRecordAudio(int)));

    connect(CBAVFormats, SIGNAL(currentIndexChanged(int)), this, SLOT(changeAVFormat(int)));

    connect(BtnDefaults, SIGNAL(clicked()), this, SLOT(setDefaultOptions()));

}

PageVideos::PageVideos(QWidget* parent) : AbstractPage(parent)

{

    initPage();

}

void PageVideos::changeAVFormat(int index)

{

    QString prevVCodec = getVideoCodec();

    QString prevACodec = getAudioCodec();

    CBVideoCodecs->clear();

    CBAudioCodecs->clear();

    LibavIteraction::instance().FillCodecs(CBAVFormats->itemData(index), CBVideoCodecs, CBAudioCodecs);

    if (CBAudioCodecs->count() == 0)

    {

        CBRecordAudio->setChecked(false);

        CBRecordAudio->setEnabled(false);

    }

    else

        CBRecordAudio->setEnabled(true);

    int iVCodec = CBVideoCodecs->findData(prevVCodec);

    if (iVCodec != -1)

        CBVideoCodecs->setCurrentIndex(iVCodec);

    int iACodec = CBAudioCodecs->findData(prevACodec);

    if (iACodec != -1)

        CBAudioCodecs->setCurrentIndex(iACodec);

}

void PageVideos::changeUseGameRes(int state)

{

    if (state && config)

    {

        QRect resolution = config->vid_Resolution();

        widthEdit->setText(QString::number(resolution.width()));

        heightEdit->setText(QString::number(resolution.height()));

    }

    widthEdit->setEnabled(!state);

    heightEdit->setEnabled(!state);

}

void PageVideos::changeRecordAudio(int state)

{

    CBAudioCodecs->setEnabled(!!state);

}

void PageVideos::setDefaultCodecs()

{

    if (tryCodecs("mp4", "libx264", "libmp3lame"))

        return;

    if (tryCodecs("mp4", "libx264", "ac3_fixed"))

        return;

    if (tryCodecs("avi", "libxvid", "libmp3lame"))

        return;

    if (tryCodecs("avi", "libxvid", "ac3_fixed"))

        return;

    if (tryCodecs("avi", "mpeg4", "libmp3lame"))

        return;

    if (tryCodecs("avi", "mpeg4", "ac3_fixed"))

        return;

    // this shouldn't happen, just in case

    if (tryCodecs("ogg", "libtheora", "libvorbis"))

        return;

    tryCodecs("ogg", "libtheora", "flac");

}

void PageVideos::setDefaultOptions()

{

    framerateBox->setValue(25);

    CBRecordAudio->setChecked(true);

    CBUseGameRes->setChecked(true);

    setDefaultCodecs();

}

bool PageVideos::tryCodecs(const QString & format, const QString & vcodec, const QString & acodec)

{

    int iFormat = CBAVFormats->findData(format);

    if (iFormat == -1)

        return false;

    CBAVFormats->setCurrentIndex(iFormat);

    int iVCodec = CBVideoCodecs->findData(vcodec);

    if (iVCodec == -1)

        return false;

    CBVideoCodecs->setCurrentIndex(iVCodec);

    int iACodec = CBAudioCodecs->findData(acodec);

    if (iACodec == -1 && CBRecordAudio->isChecked())

        return false;

    if (iACodec != -1)

        CBAudioCodecs->setCurrentIndex(iACodec);

    return true;

}