#include "topic_preview_widget.h"
#include "ui_topic_preview_widget.h"
#include "topic_previewer.h"

#include <LtsSession/lts_session_data.h>
#include <LtsWidgets/lts_message_dialog.h>

#include <QContextMenuEvent>
#include <QJsonDocument>
#include <QMenu>
#include <QTextEdit>


namespace TopicEditorBase
{

TopicPreviewWidget::TopicPreviewWidget(QWidget *parent)
  : QWidget(parent)
  , m_ui(new Ui::TopicPreviewWidget)
{
  m_ui->setupUi(this);
#ifndef LTS_DEBUG
  m_ui->lbxTopicId->hide();
  m_ui->lblTopicId->hide();

  m_ui->lbxDuration->hide();
  m_ui->lblDuration->hide();
#endif
  connect(m_ui->widget, &TopicPreviewer::deleteMe,
          this, &TopicPreviewWidget::deleteMe);
//          parent, &QWidget::deleteLater); // auto-delete on set

  connect(m_ui->widget, &TopicPreviewer::startDragMe,
          this, &TopicPreviewWidget::startDragMe);
  connect(m_ui->widget, &TopicPreviewer::stopDragMe,
          this, &TopicPreviewWidget::stopDragMe);
}

TopicPreviewWidget::~TopicPreviewWidget()
{
  delete m_ui;
}

///////////////////////////////////////////////////////////////////////////////
// PUBLIC

void TopicPreviewWidget::setTopicEnabled(bool enabled)
{
  m_ui->widget->setEnabled(enabled);
}


void TopicPreviewWidget::setTopicData(const TopicData &data)
{
  m_ui->lbxDragAndDrop->setVisible(!data.state);
  m_ui->widget->setVisible(!data.state);

  m_ui->leDescription->setText(data.description);
  m_ui->lblTopicId->setText(QString::number(data.id));
  m_ui->lblDuration->setText(QString::number(data.duration));
  m_ui->widget->setTopicData(data);
}


QString TopicPreviewWidget::description() const
{
  return m_ui->leDescription->text();
}


void TopicPreviewWidget::setDescription(const QString &description)
{
  m_ui->leDescription->setText(description);
}


TopicPreviewer *TopicPreviewWidget::previewer()
{
  return m_ui->widget;
}

///////////////////////////////////////////////////////////////////////////////
// PRIVATE

void TopicPreviewWidget::contextMenuEvent(QContextMenuEvent *event)
{
#ifndef LTS_DEBUG
  if (LtsSessionData::LtsSessionData::getInstance()->debugFlagValue(QStringLiteral("TopicPreviewWidget.DebugMenu")) == QVariant(true))
#endif
  {
    QMenu *menu = new QMenu(this);
    menu->setAttribute(Qt::WA_DeleteOnClose);

    QPoint p = mapToGlobal(menu->pos());
    menu->setGeometry(QRect(p, QPoint(event->x(), event->y())));
    menu->addAction(QStringLiteral("enable"), this, [this]()
    {
      setTopicEnabled(true);
    });

    menu->addAction(QStringLiteral("disable"), this, [this]()
    {
      setTopicEnabled(false);
    });
    menu->addAction(QStringLiteral("show properties"), this, [this]()
    {
      TopicData data = m_ui->widget->topicData();
      if (data.properties.isEmpty())
      {
        LtsWidgets::LtsMessageDialog::showMessage(this, QStringLiteral("no properties available"));
        return;
      }

      QTextEdit *ted = new QTextEdit(nullptr);
      ted->setAttribute(Qt::WA_DeleteOnClose);
      ted->setWindowTitle(QStringLiteral("Track Entry #%1 - Detail Data string").arg(data.id));
      ted->setText(QString::fromUtf8(QJsonDocument(data.properties).toJson()));
      ted->setReadOnly(true);
      ted->show();
    });

    menu->show();
  }
}

} // namespace TopicEditorBase