/**
  * @RDE_HEADER@
  * ABC widget for creating custom views of dds sequences
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Jens Heilmann, SLTE, 2021-05-17
  */
#include "abstractsequencewidget.h"

#include <QToolButton>

AbstractSequenceWidget::AbstractSequenceWidget(const RwMode &readOnly,
                                               const QString &name,
                                               const dds::core::xtypes::DynamicType &contentType,
                                               NGL::INGLLogger &logger,
                                               QWidget *parent)
  : QGroupBox(name,parent)
  , m_rwMode(readOnly)
  , m_pbAddMember(new QToolButton)
  , m_contentType(contentType)
  , m_name(name)
  , m_logger(logger)
{
  m_pbAddMember->setIcon(QIcon(QLatin1String(":/icons/png/add.png")));

  connect(m_pbAddMember, &QToolButton::clicked, [&] () {
    const uint32_t &index = m_memberList.size() + 1;
    QString findObjectName = getObjectName(index);

    if(findChild<QWidget *>(findObjectName))
      return;

    QWidget *child = DetailView::createWidget(m_rwMode, m_contentType, findObjectName, m_logger);
    addMemberWidget(child);
  });

  if(m_rwMode == RwMode::ReadOnly)
    m_pbAddMember->setDisabled(true);
}

AbstractSequenceWidget::~AbstractSequenceWidget()
{
  delete m_pbAddMember;
}

void AbstractSequenceWidget::setValue(const dds::core::xtypes::DynamicData &inner,
                              const uint32_t &index, const QWidget *useOn)
{
  QString findObjectName = getObjectName(index);
  QWidget *child = findChild<QWidget *>(findObjectName);

  if(!child)
  {
    child = DetailView::createWidget(m_rwMode,
                                     m_contentType,
                                     findObjectName,
                                     m_logger);

    addMemberWidget(child);
  }

  DetailView::setWidgetData(inner,
                            m_contentType.kind(),
                            index,
                            findObjectName,
                            useOn,
                            m_logger);

}

void AbstractSequenceWidget::getValue(const QString &name, dds::core::xtypes::DynamicData &data,
                              const uint32_t &index, const QWidget *useOn) const
{
  QString findObjectName = name + QLatin1Char('.') + QString::number(index);

  if(!findChild<QWidget *>(findObjectName))
    return;

  DetailView::getWidgetData(data,
                            m_contentType.kind(),
                            index,
                            findObjectName,
                            useOn,
                            m_logger);
}

void AbstractSequenceWidget::setMemberCount(int count)
{
  QWidget *child = nullptr;
  do
  {
    child = findChild<QWidget *>(getObjectName(++count));
    delete child;
  }
  while (child);
  m_memberList.removeAll(nullptr);
}

uint32_t AbstractSequenceWidget::getMemberCount() const
{
  int count = 0;
  QWidget *child = findChild<QWidget *>(getObjectName(count+1));
  while(child)
  {
    count++;
    child = findChild<QWidget *>(getObjectName(count+1));
  }
  return count;
}

NGL::INGLLogger &AbstractSequenceWidget::logger() const
{
  return m_logger;
}

QToolButton *AbstractSequenceWidget::pbAddMember() const
{
  return m_pbAddMember;
}

QString AbstractSequenceWidget::getObjectName(int index) const
{
  return m_name + QLatin1Char('.') + QString::number(index);
}

void AbstractSequenceWidget::addMemberWidget(QWidget *member)
{
  QToolButton *button = new QToolButton(member);
  button->setIcon(QIcon(QLatin1String(":/icons/png/remove.png")));

  connect(button, &QToolButton::clicked, member, &QWidget::deleteLater);
  connect(member, &QWidget::destroyed, this, &AbstractSequenceWidget::deleteMemberWidget);
  connect(member, &QWidget::destroyed, button, &QToolButton::deleteLater);

  if(m_rwMode == RwMode::ReadOnly)
     button->setDisabled(true);

  DEBUG_LOG(m_logger) << "new member widget: " << member->objectName();
  m_memberList.push_back(member);
  setupMemberWidget(member, button, member->objectName());
}

void AbstractSequenceWidget::deleteMemberWidget(QObject *member)
{
  QWidget *w = qobject_cast<QWidget*>(member);

  if(!w)
    return;

  for(auto child : w->children()) // necessary?
    child->deleteLater();

  m_memberList.removeAll(w);
  for(int i=0; i<m_memberList.size(); i++)
  {
    m_memberList[i]->setObjectName(getObjectName(i + 1));

    DEBUG_LOG(m_logger) << "new name: " << m_memberList[i]->objectName();
    for(auto child : m_memberList[i]->children())
    {
      if(child->objectName().isEmpty())
        continue;

      QString childName = child->objectName();
      QString newId = m_name + QLatin1Char('.') + QString::number(i + 1);
      child->setObjectName(childName.replace(QRegExp(m_name + QLatin1String(".([0-9]*)")), newId));
      DEBUG_LOG(m_logger) << "new child name: " << child->objectName();
    }
  }
}