#include "timeline_view_resize_handler.h"
#include "timeline_view.h"
#include "timeline_header_view.h"
#include "item.h"
#include "track.h"

#include <LtsWidgets/lts_message_dialog.h>

#include <QApplication>
#include <QMouseEvent>
#include <QDebug>


namespace LtsTimeline
{

TimelineViewTrackHandler::TimelineViewTrackHandler(TimelineView *view)
  : m_view(view)
{
}

TimelineViewTrackHandler::~TimelineViewTrackHandler()
{
  m_view = nullptr;
}




void TimelineViewTrackHandler::mouseDoubleClickEvent(QMouseEvent *e)
{
  if (e->button() != Qt::LeftButton)
    return;


  const QModelIndex index = m_view->indexAt(e->pos());
  if (!index.isValid() || index.column() != Section::eActuator)
    return;

  emit m_view->trackActivated(index.data().toInt());
}

void TimelineViewTrackHandler::mousePressEvent(QMouseEvent *e)
{
  if (e->button() != Qt::LeftButton)
  {
    if (e->button() == Qt::RightButton)
      emit m_view->customContextMenuRequested(e->pos());
    return;
  }


  const QModelIndex index = m_view->indexAt(e->pos());
  if (!index.isValid() || index.column() != Section::eActuator)
    return;

  try
  {
    if(!m_view->timelineModel()->isEditable())
      return;

    const Track &track = m_view->timelineModel()->track(index.data(Qt::UserRole).toInt());
    QRect visRect = m_view->visualRect(index);
    int buttonLength = visRect.height() / 2;
    if (track.hasInsertButton())
    {
      QRect rect = QRect(visRect.right() - buttonLength, visRect.top(), buttonLength, buttonLength);
      if (rect.contains(e->pos()))
      {
        m_pressedInsertButtonIndex = index;

        m_view->timelineModel()->onInsertTrack(index);
        return;
      }
    }
    if (track.hasRemoveButton())
    {
      QRect rect = QRect(visRect.right() - buttonLength, visRect.center().y(), buttonLength, buttonLength);
      if (rect.contains(e->pos()))
      {
        m_pressedRemoveButtonIndex = index;

        auto msg = new LtsWidgets::LtsMessageDialogNew(m_view, {}, QApplication::translate("LtsTimeline", "Do you really want to remove this filter track and all of its contents?"),
                                                       LtsWidgets::Behaviour::Modal, LtsWidgets::Button::Yes | LtsWidgets::Button::Cancel);

        QObject::connect(msg, &LtsWidgets::LtsMessageDialogNew::yes,
                m_view, [this, index]()
        {

          m_view->timelineModel()->onRemoveTrack(index);
        });

        return;
      }
    }
  }
  catch (...) {}
}

void TimelineViewTrackHandler::mouseReleaseEvent(QMouseEvent *e)
{
  Q_UNUSED(e);
  m_pressedInsertButtonIndex = {};
  m_pressedRemoveButtonIndex = {};
}

}