/**********************************************************************************************
    Copyright (C) 2014 Oliver Eichler <oliver.eichler@gmx.de>

    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 "gis/trk/filter/CFilterSpeed.h"

#include "canvas/CCanvas.h"
#include "gis/trk/CGisItemTrk.h"
#include "gis/trk/filter/CFilterSpeedConst.h"
#include "gis/trk/filter/CFilterSpeedCycle.h"
#include "gis/trk/filter/CFilterSpeedHike.h"
#include "helpers/CSettings.h"
#include "svgticon/CSvgtIcon.h"
#include "theme/CUiTheme.h"

CFilterSpeed::CFilterSpeed(CGisItemTrk& trk, QWidget* parent) : QWidget(parent), trk(trk) {
  setupUi(this);
  CSvgtIcon::load(labelTimePix, "://icons/Time.svgt");

  filterConst = new CFilterSpeedConst(this);
  filterCycle = new CFilterSpeedCycle(this, trk);
  filterHike = new CFilterSpeedHike(this);

  stackedWidget->addWidget(filterConst);
  stackedWidget->addWidget(filterCycle);
  stackedWidget->addWidget(filterHike);

  labelWarning->setText("");

  SETTINGS;
  cfg.beginGroup("TrackDetails/Filter/Speed/");
  comboActivityType->setCurrentIndex(cfg.value("activityType", 0).toInt());
  slotSetActivityType(comboActivityType->currentIndex());

  connect(comboActivityType, static_cast<void (QComboBox::*)(int)>(&QComboBox::activated), this,
          &CFilterSpeed::slotSetActivityType);
  connect(toolApply, &QToolButton::clicked, this, &CFilterSpeed::slotApply);

  cfg.beginGroup("Const");
  filterConst->loadSettings(cfg);
  cfg.endGroup();  // Const

  cfg.beginGroup("Cycle");
  filterCycle->loadSettings(cfg);
  cfg.endGroup();  // Cycle

  cfg.beginGroup("Hike");
  filterHike->loadSettings(cfg);
  cfg.endGroup();  // Hike

  cfg.endGroup();  // TrackDetails/Filter/Speed
}

void CFilterSpeed::changeEvent(QEvent* e) {
  QWidget::changeEvent(e);

  // labelWarning carries a themed colour in its markup
  if (CUiTheme::isPaletteChange(e)) {
    updateUi();
  }
}

CFilterSpeed::~CFilterSpeed() {
  SETTINGS;
  cfg.remove("TrackDetails/Filter/Speed/");
  cfg.beginGroup("TrackDetails/Filter/Speed/");
  cfg.setValue("activityType", comboActivityType->currentIndex());

  cfg.beginGroup("Const");
  filterConst->saveSettings(cfg);
  cfg.endGroup();  // Const

  cfg.beginGroup("Cycle");
  filterCycle->saveSettings(cfg);
  cfg.endGroup();  // Cycle

  cfg.beginGroup("Hike");
  filterHike->saveSettings(cfg);
  cfg.endGroup();  // Hike

  cfg.endGroup();  // TrackDetails/Filter/Speed
}

void CFilterSpeed::slotApply() {
  CCanvasCursorLock cursorLock(Qt::WaitCursor, __func__);

  switch (comboActivityType->currentIndex()) {
    case 0:
      filterConst->apply(trk);
      break;

    case 1: {
      filterCycle->apply(trk);
      break;
    }

    case 2: {
      filterHike->apply(trk);
      break;
    }

    default:
      break;
  }
}

void CFilterSpeed::slotSetActivityType(int type) {
  stackedWidget->setCurrentIndex(type);
  updateUi();
}

void CFilterSpeed::updateUi() {
  if (trk.isTrkElevationInvalid() && comboActivityType->currentIndex() > 0) {
    const QString str =
        CUiTheme::spanBold(CUiTheme::Role::eError,
                           tr("Track has no or invalid elevation data. Please correct or set constant speed!")) +
        "<br/>";
    labelWarning->setText(str);
    filterCycle->setEnabled(false);
    filterHike->setEnabled(false);
    toolApply->setEnabled(false);
    return;
  } else {
    labelWarning->setText("");
    filterCycle->setEnabled(true);
    filterHike->setEnabled(true);
    toolApply->setEnabled(true);
  }
}
