/*
 * Copyright 2008-2009 Ben Boeckel <MathStuf@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, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * 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, see <http://www.gnu.org/licenses/>.
 */

// Header include
#include "NatureUI.h"

// Sigmodr core widget includes
#include <sigmodr/corewidgets/FractionWidget.h>

// Sigmod includes
#include <sigmod/Game.h>
#include <sigmod/Nature.h>
#include <sigmod/Rules.h>

// KDE includes
#include <KIntNumInput>
#include <KLineEdit>

// Qt includes
#include <QtCore/QFile>
#include <QtGui/QHeaderView>
#include <QtGui/QTableWidget>
#include <QtGui/QVBoxLayout>
#include <QtUiTools/QUiLoader>

using namespace Sigcore;
using namespace Sigmod;
using namespace Sigmodr::CoreWidgets;
using namespace Sigmodr::Widgets;

NatureUI::NatureUI(Nature* nature, QWidget* parent) :
        ObjectUI(parent)
{
    setObjects(nature, new Nature(*nature));
}

void NatureUI::initGui()
{
    QFile file(":/gui/nature.ui");
    file.open(QFile::ReadOnly);
    QWidget *formWidget = QUiLoader().load(&file, this);
    file.close();
    ui_name = formWidget->findChild<KLineEdit*>("varName");
    ui_stat = formWidget->findChild<QTableWidget*>("varStat");
    ui_statMultiplier = formWidget->findChild<FractionWidget*>("varStatMultiplier");
    ui_weight = formWidget->findChild<KIntNumInput*>("varWeight");
    connect(ui_name, SIGNAL(textChanged(QString)), this, SLOT(nameChanged(QString)));
    connect(ui_stat, SIGNAL(currentCellChanged(int,int,int,int)), this, SLOT(statChanged(int)));
    connect(ui_statMultiplier, SIGNAL(valueChanged(Sigcore::Fraction)), this, SLOT(statMultiplierChanged(Sigcore::Fraction)));
    connect(ui_weight, SIGNAL(valueChanged(int)), this, SLOT(weightChanged(int)));
    QVBoxLayout* layout = new QVBoxLayout;
    layout->addWidget(formWidget);
    setLayout(layout);
    ui_stat->horizontalHeader()->setResizeMode(QHeaderView::Stretch);
}

void NatureUI::refreshGui()
{
    const bool isSplit = game()->rules()->specialSplit();
    ui_stat->clear();
    ui_stat->setRowCount((isSplit ? ST_SpecialDefense : ST_Special) - ST_Attack + 1);
    ui_stat->setVerticalHeaderLabels((isSplit ? StatGSCStr : StatRBYStr).mid(ST_Attack, (isSplit ? ST_SpecialDefense : ST_Special) - ST_Attack + 1));
    ui_stat->setColumnCount(1);
    ui_stat->setHorizontalHeaderLabels(QStringList() << "Multiplier");
    ui_stat->verticalHeaderItem(ST_Attack - ST_Attack)->setData(Qt::UserRole, QVariant::fromValue(ST_Attack));
    ui_stat->verticalHeaderItem(ST_Defense - ST_Attack)->setData(Qt::UserRole, QVariant::fromValue(ST_Defense));
    ui_stat->verticalHeaderItem(ST_Speed - ST_Attack)->setData(Qt::UserRole, QVariant::fromValue(ST_Speed));
    if (isSplit)
    {
        ui_stat->verticalHeaderItem(ST_SpecialAttack - ST_Attack)->setData(Qt::UserRole, QVariant::fromValue(ST_SpecialAttack));
        ui_stat->verticalHeaderItem(ST_SpecialDefense - ST_Attack)->setData(Qt::UserRole, QVariant::fromValue(ST_SpecialDefense));
    }
    else
        ui_stat->verticalHeaderItem(ST_Special - ST_Attack)->setData(Qt::UserRole, QVariant::fromValue(ST_Special));
    ui_stat->setItem(ST_Attack - ST_Attack, 0, new QTableWidgetItem);
    ui_stat->setItem(ST_Defense- ST_Attack, 0, new QTableWidgetItem);
    ui_stat->setItem(ST_Speed - ST_Attack, 0, new QTableWidgetItem);
    if (isSplit)
    {
        ui_stat->setItem(ST_SpecialAttack - ST_Attack, 0, new QTableWidgetItem);
        ui_stat->setItem(ST_SpecialDefense - ST_Attack, 0, new QTableWidgetItem);
    }
    else
        ui_stat->setItem(ST_Special - ST_Attack, 0, new QTableWidgetItem);
    QTableWidgetItem* item = new QTableWidgetItem;
    item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
    ui_stat->setItem(ST_Attack - ST_Attack, 0, item);
    ui_stat->setCurrentItem(item);
    item = new QTableWidgetItem;
    item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
    ui_stat->setItem(ST_Defense- ST_Attack, 0, item);
    item = new QTableWidgetItem;
    item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
    ui_stat->setItem(ST_Speed - ST_Attack, 0, item);
    if (isSplit)
    {
        item = new QTableWidgetItem;
        item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
        ui_stat->setItem(ST_SpecialAttack - ST_Attack, 0, item);
        item = new QTableWidgetItem;
        item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
        ui_stat->setItem(ST_SpecialDefense - ST_Attack, 0, item);
    }
    else
    {
        item = new QTableWidgetItem;
        item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
        ui_stat->setItem(ST_Special - ST_Attack, 0, item);
    }
}

void NatureUI::setGui()
{
    ui_name->setText(qobject_cast<Nature*>(modified())->name());
    ui_stat->item(ST_Attack - ST_Attack, 0)->setData(Qt::DisplayRole, QString::number(qobject_cast<Nature*>(modified())->stat(ST_Attack), 'g', 7));
    ui_stat->item(ST_Defense - ST_Attack, 0)->setData(Qt::DisplayRole, QString::number(qobject_cast<Nature*>(modified())->stat(ST_Defense), 'g', 7));
    ui_stat->item(ST_Speed - ST_Attack, 0)->setData(Qt::DisplayRole, QString::number(qobject_cast<Nature*>(modified())->stat(ST_Speed), 'g', 7));
    if (game()->rules()->specialSplit())
    {
        ui_stat->item(ST_SpecialAttack - ST_Attack, 0)->setData(Qt::DisplayRole, QString::number(qobject_cast<Nature*>(modified())->stat(ST_SpecialAttack), 'g', 7));
        ui_stat->item(ST_SpecialDefense - ST_Attack, 0)->setData(Qt::DisplayRole, QString::number(qobject_cast<Nature*>(modified())->stat(ST_SpecialDefense), 'g', 7));
    }
    else
        ui_stat->item(ST_Special - ST_Attack, 0)->setData(Qt::DisplayRole, QString::number(qobject_cast<Nature*>(modified())->stat(ST_Special), 'g', 7));
    ui_statMultiplier->setValue(qobject_cast<Nature*>(modified())->stat(ui_stat->verticalHeaderItem(ui_stat->currentRow())->data(Qt::UserRole).value<Stat>()));
    ui_weight->setValue(qobject_cast<Nature*>(modified())->weight());
}

void NatureUI::apply()
{
    *qobject_cast<Nature*>(original()) = *qobject_cast<Nature*>(modified());
    emit(changed(false));
}

void NatureUI::discard()
{
    *qobject_cast<Nature*>(modified()) = *qobject_cast<Nature*>(original());
    setGui();
    emit(changed(false));
}

void NatureUI::nameChanged(const QString& name)
{
    const int cursor = ui_name->cursorPosition();
    qobject_cast<Nature*>(modified())->setName(name);
    ui_name->setCursorPosition(cursor);
}

void NatureUI::statChanged(const int row)
{
    ui_statMultiplier->setValue(qobject_cast<Nature*>(modified())->stat(ui_stat->verticalHeaderItem(row)->data(Qt::UserRole).value<Stat>()));
}

void NatureUI::statMultiplierChanged(const Fraction& multiplier)
{
    qobject_cast<Nature*>(modified())->setStat(ui_stat->verticalHeaderItem(ui_stat->currentRow())->data(Qt::UserRole).value<Stat>(), multiplier);
}

void NatureUI::weightChanged(const int weight)
{
    qobject_cast<Nature*>(modified())->setWeight(weight);
}