// **************************************************************************
// 
//  (C) Copyright 2009   Swiss SIMTEC AG
// 
// **************************************************************************
// 
//  $HeadURL$
//  $LastChangedBy$
//  $LastChangedDate$
//  $LastChangedRevision$
//   
// **************************************************************************

#include "LogViewTabWidget.hpp"
#include <QFrame>
#include <QGridLayout>
#include "LogViewField.hpp"
#include "LogViewTelegram.hpp"
#include "LogViewTelegramDialog.hpp"
#include "LogViewSpinBox.hpp"
#include "LogViewTelegram.hpp"
#include "LogViewTetraTelegramsParser.hpp"

namespace N_LogView
{

// ---------------------------------------------------------------
LogViewTabWidget::LogViewTabWidget(LogViewField* a_field, LogViewTelegramDialog* a_parent, LogViewSpinBox* a_spinBox)
  : QTabWidget(a_parent)
  , LogViewWidget(a_field, this, a_parent, false)
  , m_TelegramDialog(a_parent)
  , m_SpinBox(a_spinBox)
{
  setVisible(false);
}


// ---------------------------------------------------------------
void LogViewTabWidget::changeSize(const int a_newSize)
{
  // add new tabs
  for (int i = count(); i < a_newSize; i++)
    addTab(m_Field, true, i);

  // remove old tabs
  while (count() > a_newSize)
  {
    QStringList path = m_Field->jsonPath();
    path += QStringLiteral("index: %1").arg(count() - 1);
    m_TelegramDialog->removeItemsFromEditInfoList(path);
    removeTab(count() - 1);
  }
  while (m_Field->childCount() > a_newSize)
    m_Field->removeLastChild();


  setVisible(a_newSize > 0);
  m_TelegramDialog->makePretty(); // fixme: funktioniert so nicht, muss als signal realisiert werden
}


// ---------------------------------------------------------------
// Writes the content into telegram.
// Returns true if successful.
// ---------------------------------------------------------------
bool LogViewTabWidget::saveContent(LogViewTelegram* a_telegram)
{
  if (a_telegram->isJsonTelegram())
    return true;
  // if m_SpinBox is NULL, we have a static array => no size has to be stored
  if (m_SpinBox)
  {
    if (!isValid())
      return false;
    a_telegram->setUIntX(LogViewTelegram::SIZE_CENTRAL_DYN_ARRAY_SIZE, count());
  }
  return true;
}


// ---------------------------------------------------------------
void LogViewTabWidget::addTab(LogViewField* a_field, const bool a_isEmpty, int arrayIdx)
{
  if (arrayIdx < 0)
  {
    WARNING_LOG(m_logger) << "Invalid array index given: " << arrayIdx;
    return;
  }

  QFrame *frame = new QFrame;
  QGridLayout *box = new QGridLayout(frame);
  QTabWidget::addTab(frame, QStringLiteral("%1 %2").arg(a_field->cleanName()).arg(count()+1));
  if (a_isEmpty)
    a_field->setHasContent(false);
  auto *childTree = a_field->child(arrayIdx);
  while (!childTree)
  {
    const auto *first = a_field->child(0);
    if (first)
    {
      LogViewField *fNew = first->clone(arrayIdx);
      a_field->addChild(fNew);
      childTree = a_field->child(arrayIdx);
    }
    else
    {
      LogViewTetraTelegramsParser *p = LogViewTelegram::jsonParser();
      const StructInformation si = p->structFromType(a_field->type());
      if (si.type != a_field->type())
      {
        WARNING_LOG(m_logger) << "Could not find type '" << a_field->type() << "' - can not add substructure";
        return;
      }
      LogViewField *tc = new LogViewField(a_field->name() + QStringLiteral("TabChild"), LogViewField::e_FieldKindTabChild, a_field->xdrElement());
      tc->setJsonPath(a_field->jsonPath());
      a_field->addChild(tc);
      const QString path(QStringLiteral("index: %1"));
      LogViewTelegram::addFieldTreeStruct(QJsonObject(), tc, si, path.arg(arrayIdx), m_logger);
      childTree = a_field->child(arrayIdx);
    }
  }
  m_TelegramDialog->showTree(childTree, box);

  // todo: sind nach dem dyn. array noch weitere Felder, so wird addTab nicht richtig funktionieren, weil die
  // neuen Felder des Tabs am Ende von m_EditInfoList hinzugefügt werden => diese müssen mittendrin (an der richtigen
  // position) eingefügt werden.

  // update spinbox
  if (m_SpinBox)
  {
    int spinValue = m_SpinBox->value();
    if (spinValue < count())
      m_SpinBox->setValue(count());
  }

  setVisible(true);
}

} // namespace N_LogView