/**
 * This file is part of GpgFrontend.
 *
 * GpgFrontend 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.
 *
 * Foobar 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 Foobar.  If not, see <https://www.gnu.org/licenses/>.
 *
 * The initial version of the source code is inherited from gpg4usb-team.
 * Their source code version also complies with GNU General Public License.
 *
 * The source code version of this software was modified and released
 * by Saturneric<eric@bktus.com> starting on May 12, 2021.
 *
 */

#include "SettingsAppearance.h"

namespace GpgFrontend::UI {

AppearanceTab::AppearanceTab(QWidget* parent)
    : QWidget(parent),
      appPath(qApp->applicationDirPath()),
      settings(RESOURCE_DIR(appPath) + "/conf/gpgfrontend.ini",
               QSettings::IniFormat) {
  /*****************************************
   * Icon-Size-Box
   *****************************************/
  auto* iconSizeBox = new QGroupBox(_("Icon Size"));
  iconSizeGroup = new QButtonGroup();
  iconSizeSmall = new QRadioButton(_("small"));
  iconSizeMedium = new QRadioButton(_("medium"));
  iconSizeLarge = new QRadioButton(_("large"));

  iconSizeGroup->addButton(iconSizeSmall, 1);
  iconSizeGroup->addButton(iconSizeMedium, 2);
  iconSizeGroup->addButton(iconSizeLarge, 3);

  auto* iconSizeBoxLayout = new QHBoxLayout();
  iconSizeBoxLayout->addWidget(iconSizeSmall);
  iconSizeBoxLayout->addWidget(iconSizeMedium);
  iconSizeBoxLayout->addWidget(iconSizeLarge);

  iconSizeBox->setLayout(iconSizeBoxLayout);

  /*****************************************
   * Icon-Style-Box
   *****************************************/
  auto* iconStyleBox = new QGroupBox(_("Icon Style"));
  iconStyleGroup = new QButtonGroup();
  iconTextButton = new QRadioButton(_("just text"));
  iconIconsButton = new QRadioButton(_("just icons"));
  iconAllButton = new QRadioButton(_("text and icons"));

  iconStyleGroup->addButton(iconTextButton, 1);
  iconStyleGroup->addButton(iconIconsButton, 2);
  iconStyleGroup->addButton(iconAllButton, 3);

  auto* iconStyleBoxLayout = new QHBoxLayout();
  iconStyleBoxLayout->addWidget(iconTextButton);
  iconStyleBoxLayout->addWidget(iconIconsButton);
  iconStyleBoxLayout->addWidget(iconAllButton);

  iconStyleBox->setLayout(iconStyleBoxLayout);

  /*****************************************
   * Window-Size-Box
   *****************************************/
  auto* windowSizeBox = new QGroupBox(_("Window State"));
  auto* windowSizeBoxLayout = new QHBoxLayout();
  windowSizeCheckBox =
      new QCheckBox(_("Save window size and position on exit."), this);
  windowSizeBoxLayout->addWidget(windowSizeCheckBox);
  windowSizeBox->setLayout(windowSizeBoxLayout);

  /*****************************************
   * Info-Board-Font-Size-Box
   *****************************************/

  auto* infoBoardBox = new QGroupBox(_("Information Board"));
  auto* infoBoardLayout = new QHBoxLayout();
  infoBoardFontSizeSpin = new QSpinBox();
  infoBoardFontSizeSpin->setRange(9, 18);
  infoBoardFontSizeSpin->setValue(10);
  infoBoardFontSizeSpin->setSingleStep(1);
  infoBoardLayout->addWidget(new QLabel(_("Front Size")));
  infoBoardLayout->addWidget(infoBoardFontSizeSpin);
  infoBoardBox->setLayout(infoBoardLayout);

  auto* mainLayout = new QVBoxLayout;
  mainLayout->addWidget(iconSizeBox);
  mainLayout->addWidget(iconStyleBox);
  mainLayout->addWidget(windowSizeBox);
  mainLayout->addWidget(infoBoardBox);
  mainLayout->addStretch(1);
  setSettings();
  setLayout(mainLayout);
}

/**********************************
 * Read the settings from config
 * and set the buttons and checkboxes
 * appropriately
 **********************************/
void AppearanceTab::setSettings() {
  // Iconsize
  QSize iconSize = settings.value("toolbar/iconsize", QSize(24, 24)).toSize();
  switch (iconSize.height()) {
    case 12:
      iconSizeSmall->setChecked(true);
      break;
    case 24:
      iconSizeMedium->setChecked(true);
      break;
    case 32:
      iconSizeLarge->setChecked(true);
      break;
  }
  // Iconstyle
  Qt::ToolButtonStyle iconStyle = static_cast<Qt::ToolButtonStyle>(
      settings.value("toolbar/iconstyle", Qt::ToolButtonTextUnderIcon)
          .toUInt());
  switch (iconStyle) {
    case Qt::ToolButtonTextOnly:
      iconTextButton->setChecked(true);
      break;
    case Qt::ToolButtonIconOnly:
      iconIconsButton->setChecked(true);
      break;
    case Qt::ToolButtonTextUnderIcon:
      iconAllButton->setChecked(true);
      break;
    default:
      break;
  }

  // Window Save and Position
  if (settings.value("window/windowSave").toBool())
    windowSizeCheckBox->setCheckState(Qt::Checked);

  // infoBoardFontSize
  auto infoBoardFontSize =
      settings.value("informationBoard/fontSize", 10).toInt();
  if (infoBoardFontSize < 9 || infoBoardFontSize > 18) infoBoardFontSize = 10;
  infoBoardFontSizeSpin->setValue(infoBoardFontSize);
}

/***********************************
 * get the values of the buttons and
 * write them to settings-file
 *************************************/
void AppearanceTab::applySettings() {
  switch (iconSizeGroup->checkedId()) {
    case 1:
      settings.setValue("toolbar/iconsize", QSize(12, 12));
      break;
    case 2:
      settings.setValue("toolbar/iconsize", QSize(24, 24));
      break;
    case 3:
      settings.setValue("toolbar/iconsize", QSize(32, 32));
      break;
  }

  switch (iconStyleGroup->checkedId()) {
    case 1:
      settings.setValue("toolbar/iconstyle", Qt::ToolButtonTextOnly);
      break;
    case 2:
      settings.setValue("toolbar/iconstyle", Qt::ToolButtonIconOnly);
      break;
    case 3:
      settings.setValue("toolbar/iconstyle", Qt::ToolButtonTextUnderIcon);
      break;
  }

  settings.setValue("window/windowSave", windowSizeCheckBox->isChecked());

  settings.setValue("informationBoard/fontSize",
                    infoBoardFontSizeSpin->value());
}

}  // namespace GpgFrontend::UI