/*
 * LCD Image Converter. Converts images and fonts for embedded applications.
 * Copyright (C) 2015 riuson
 * mailto: riuson@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/
 */

#include "toolzoom.h"

#include <QAction>
#include <QColor>
#include <QList>
#include <QMouseEvent>
#include <QPainter>
#include <QSpinBox>
#include <QWidget>

#include "appsettings.h"
#include "bitmaphelper.h"

namespace ImageEditor
{
namespace Tools
{

ToolZoom::ToolZoom(IImageEditorParams* parameters, QObject* parent) : QObject(parent)
{
  this->mParameters = parameters;
  this->mIcon = new QIcon(
      QPixmap::fromImage(Parsing::Conversion::BitmapHelper::fromSvg(QString(":/images/icons/tools/tool_zoom"), 24)));

  this->mActions = new QList<QAction*>();
  this->mWidgets = new QList<QWidget*>();

  this->mScale = 1;

  this->loadSettings();
  this->initializeWidgets();
}

ToolZoom::~ToolZoom()
{
  this->saveSettings();
  delete this->mIcon;
  qDeleteAll(*this->mActions);
  qDeleteAll(*this->mWidgets);
  delete this->mActions;
  delete this->mWidgets;
}

const QString ToolZoom::title() const { return tr("Zoom"); }

const QString ToolZoom::tooltip() const { return tr("Zoom image"); }

const QIcon* ToolZoom::icon() const { return this->mIcon; }

const QList<QAction*>* ToolZoom::actions() const { return this->mActions; }

const QList<QWidget*>* ToolZoom::widgets() const { return this->mWidgets; }

int ToolZoom::scale() const { return this->mScale; }

bool ToolZoom::processMouse(QMouseEvent* event, const QImage* imageOriginal, bool inRect)
{
  Q_UNUSED(event)
  Q_UNUSED(imageOriginal)
  Q_UNUSED(inRect)
  return false;
}

void ToolZoom::setScale(int value)
{
  if (this->mScale != value && value >= this->mSpinBoxScale->minimum() && value <= this->mSpinBoxScale->maximum()) {
    this->mSpinBoxScale->setValue(value);
  }
}

void ToolZoom::initializeWidgets()
{
  {
    this->mSpinBoxScale = new QSpinBox();
    this->mSpinBoxScale->setMinimum(1);
    this->mSpinBoxScale->setMaximum(50);
    this->mSpinBoxScale->setSuffix(QString("x"));
    this->mSpinBoxScale->setValue(this->mScale);
    this->mSpinBoxScale->setToolTip(tr("Scale value"));
    this->connect(this->mSpinBoxScale, SIGNAL(valueChanged(int)), SLOT(on_spinBoxScale_valueChanged(int)));

    this->mWidgets->append(this->mSpinBoxScale);
  }
}

void ToolZoom::loadSettings()
{
  Settings::AppSettings appsett;
  QSettings& sett = appsett.get();
  sett.beginGroup("window-image-editor");
  sett.beginGroup("tools");
  sett.beginGroup("zoom");

  bool ok;
  int value = sett.value("scale", QVariant(1)).toInt(&ok);

  if (ok) {
    this->mScale = value;
  }

  sett.endGroup();
  sett.endGroup();
  sett.endGroup();
}

void ToolZoom::saveSettings() const
{
  Settings::AppSettings appsett;
  QSettings& sett = appsett.get();
  sett.beginGroup("window-image-editor");
  sett.beginGroup("tools");
  sett.beginGroup("zoom");

  sett.setValue("scale", this->mScale);

  sett.endGroup();
  sett.endGroup();
  sett.endGroup();
}

void ToolZoom::on_spinBoxScale_valueChanged(int value)
{
  if (value != this->mScale) {
    this->mScale = value;
    emit this->scaleChanged(value);
  }
}

} // namespace Tools
} // namespace ImageEditor