#include "AccessibilityTabController.h"
#include <QQuickWindow>
#include "../overlaycontroller.h"

// application namespace
namespace advsettings {

void AccessibilityTabController::initStage1() {
  setTrackingUniverse(vr::VRCompositor()->GetTrackingSpace());
  auto settings = OverlayController::appSettings();
  settings->beginGroup(getSettingsName());
  auto value = settings->value("heightOffset", m_heightOffset);
  settings->endGroup();
  if (value.isValid() && !value.isNull()) {
    m_heightOffset = value.toFloat();
    emit heightOffsetChanged(m_heightOffset);
  }

  reloadPttConfig();
}

void AccessibilityTabController::initStage2(OverlayController * parent, QQuickWindow * widget) {
  this->parent = parent;
  this->widget = widget;
}

void AccessibilityTabController::setTrackingUniverse(int value) {
  if (m_trackingUniverse != value) {
    reset();
    m_trackingUniverse = value;
  }
}

float AccessibilityTabController::heightOffset() const {
  return m_heightOffset;
}

void AccessibilityTabController::setHeightOffset(float value, bool notify) {
  if (std::abs(m_heightOffset - value) > 0.001) {
    modHeightOffset(value - m_heightOffset, notify);
  }
}

void AccessibilityTabController::modHeightOffset(float value, bool notify) {
  parent->AddOffsetToUniverseCenter((vr::TrackingUniverseOrigin)m_trackingUniverse, 1, -value, false);
  m_heightOffset += value;
  auto settings = OverlayController::appSettings();
  settings->beginGroup(getSettingsName());
  settings->setValue("heightOffset", m_heightOffset);
  settings->endGroup();
  settings->sync();
  if (notify) {
    emit heightOffsetChanged(m_heightOffset);
  }
}


void AccessibilityTabController::onPttStart() {
  m_toggleHeightOffset = m_heightOffset;
  parent->AddOffsetToUniverseCenter((vr::TrackingUniverseOrigin)m_trackingUniverse, 1, m_toggleHeightOffset, false);
}

void AccessibilityTabController::onPttStop() {
  parent->AddOffsetToUniverseCenter((vr::TrackingUniverseOrigin)m_trackingUniverse, 1, -m_toggleHeightOffset, false);
}

void AccessibilityTabController::onPttDisabled() {
  if (pttActive()) {
    stopPtt();
  }
  m_toggleHeightOffset = 0;
}

void AccessibilityTabController::reset() {
  std::lock_guard<std::recursive_mutex> lock(eventLoopMutex);
  vr::VRChaperoneSetup()->RevertWorkingCopy();
  parent->AddOffsetToUniverseCenter((vr::TrackingUniverseOrigin)m_trackingUniverse, 1, m_heightOffset, false, false);
  vr::VRChaperoneSetup()->CommitWorkingCopy(vr::EChaperoneConfigFile_Live);
  m_heightOffset = 0.0f;
  emit heightOffsetChanged(m_heightOffset);
}

void AccessibilityTabController::eventLoopTick(vr::ETrackingUniverseOrigin universe) {
  if (!eventLoopMutex.try_lock()) {
    return;
  }
  if (settingsUpdateCounter >= 50) {
    setTrackingUniverse((int)universe);
    settingsUpdateCounter = 0;
  } else {
    settingsUpdateCounter++;
  }
  checkPttStatus();
  eventLoopMutex.unlock();
}

} // namespace advconfig