/*
    SPDX-FileCopyrightText: 1999 Matthias Elter <me@kde.org>

    SPDX-License-Identifier: GPL-2.0-or-later
*/

#include "plugintraverser.h"
#include "docmetainfo.h"
#include "navigator.h"
#include "navigatorappitem.h"
#include "navigatorappgroupitem.h"
#include "navigatoritem.h"
#include "khc_debug.h"


#include <QIcon>

#include <prefs.h>

using namespace KHC;

PluginTraverser::PluginTraverser( Navigator *navigator, QTreeWidget *parent )
  : DocEntryTraverser(),
  mListView( parent ),
  mParentItem( nullptr ),
  mCurrentItem( nullptr ),
  mNavigator( navigator )
{
}

PluginTraverser::PluginTraverser( Navigator *navigator, NavigatorItem *parent )
  : DocEntryTraverser(),
  mListView( nullptr ),
  mParentItem( parent ),
  mCurrentItem( nullptr ),
  mNavigator( navigator )
{
}

void PluginTraverser::process( DocEntry *entry )
{
  if ( !mListView && !mParentItem ) {
    qCWarning(KHC_LOG) << "ERROR! Neither mListView nor mParentItem is set.";
    return;
  }

  if ( !entry->docExists() && !Prefs::showMissingDocs() )
    return;

  if ( entry->khelpcenterSpecial().isEmpty() ) {
    if ( mListView )
      mCurrentItem = new NavigatorAppItem( entry, mListView, mCurrentItem );
    else
      mCurrentItem = new NavigatorAppItem( entry, mParentItem, mCurrentItem );
  } else if ( entry->khelpcenterSpecial() == QLatin1String("apps") ) {
    NavigatorAppGroupItem *appItem;
    entry->setIcon( QStringLiteral("kde") );
    if ( mListView )
      appItem = new NavigatorAppGroupItem( entry, mListView, mCurrentItem );
    else
      appItem = new NavigatorAppGroupItem( entry, mParentItem, mCurrentItem );
    appItem->setRelpath( Prefs::appsRoot() );
    mCurrentItem = appItem;
  } else {
    if ( mListView )
      mCurrentItem = new NavigatorItem( entry, mListView, mCurrentItem );
    else
      mCurrentItem = new NavigatorItem( entry, mParentItem, mCurrentItem );

    if ( entry->khelpcenterSpecial() == QLatin1String("konqueror") ) {
      mNavigator->insertParentAppDocs( entry->khelpcenterSpecial(), mCurrentItem );
    } else if ( entry->khelpcenterSpecial() == QLatin1String("kcontrol") ) {
      mNavigator->insertSystemSettingsDocs( entry->khelpcenterSpecial(), mCurrentItem, Navigator::SystemSettings );
    } else if ( entry->khelpcenterSpecial() == QLatin1String("kinfocenter") ) {
      mNavigator->insertSystemSettingsDocs( entry->khelpcenterSpecial(), mCurrentItem, Navigator::KInfoCenter);
    } else if ( entry->khelpcenterSpecial() == QLatin1String("kioworker") ) {
      mNavigator->insertIOWorkerDocs( entry->khelpcenterSpecial(), mCurrentItem );
    } else if ( entry->khelpcenterSpecial() == QLatin1String("info") ) {
      mNavigator->insertInfoDocs( mCurrentItem );
    } else if ( entry->khelpcenterSpecial() == QLatin1String("scrollkeeper") ) {
      mNavigator->insertScrollKeeperDocs( mCurrentItem );
    } else {
      return;
    }
// TODO: was contents2 -> needs to be changed to help-contents-alternate or similar
    mCurrentItem->setIcon( 0, QIcon::fromTheme( QStringLiteral("help-contents") ) );
  }
}

DocEntryTraverser *PluginTraverser::createChild( DocEntry * /*entry*/ )
{
  if ( mCurrentItem ) {
    return new PluginTraverser( mNavigator, mCurrentItem );
  }
  qCWarning(KHC_LOG) << "ERROR! mCurrentItem is not set.";
  return nullptr;
}

// vim:ts=2:sw=2:et
