/**
  * @RDE_HEADER@
  * Config class to parse XML-Files for Axis Camera Configuration
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Terrell Scharfenberg, SLSE, 2016-05-27
  */
#include "config.h"
#include <QDebug>
#include <QFile>

using namespace VapixConfig;

Config::Config()
{

}
// init is needed to clear the DomDocument for saving purpose
void Config::init()
{
  m_domDocument.clear();
  m_root = m_domDocument.createElement(QLatin1String("Camera"));
  m_domDocument.appendChild(m_root);
}

// Reads XML and put created maps in maplists
bool Config::processConfig(const QString &xmlConfig)
{
  QFile f(xmlConfig);
  if (!f.open(QIODevice::ReadOnly | QIODevice::Text))
    return 0;
  m_domDocument.setContent(&f);
  m_root = m_domDocument.documentElement();
  if (m_root.tagName() != QLatin1String("Camera"))
    return false;

  const QDomNodeList image = m_root.elementsByTagName(QLatin1String("Image"));
  const QDomNodeList window = m_root.elementsByTagName(QLatin1String("Motion"));
  const QDomNodeList server = m_root.elementsByTagName(QLatin1String("EventServer"));
  const QDomNodeList event = m_root.elementsByTagName(QLatin1String("Event"));
  const QDomNodeList action = m_root.elementsByTagName(QLatin1String("Action"));
  for (int i = 0; i <= image.size(); ++i)
  {
    const QDomElement tempElement = image.at(i).toElement();
    QDomElement tempChild = tempElement.firstChild().toElement();
    QMap<QString, QString> imageMap;
    while (!tempChild.isNull())
    {
      imageMap[tempChild.tagName()] = tempChild.firstChild().toText().data();
      tempChild = tempChild.nextSibling().toElement();
    }
    if (!imageMap.isEmpty())
    {
      m_imageList.append(imageMap);
    }
  }
  for (int i = 0; i <= window.size(); ++i)
  {
    const QDomElement tempElement = window.at(i).toElement();
    QDomElement tempChild = tempElement.firstChild().toElement();
    QMap<QString, QString> windowMap;
    while (!tempChild.isNull())
    {
      windowMap[tempChild.tagName()] = tempChild.firstChild().toText().data();
      tempChild = tempChild.nextSibling().toElement();
    }
    if (!windowMap.isEmpty())
    {
      m_windowList.append(windowMap);
    }
  }
  for (int i = 0; i <= server.size(); ++i)
  {
    const QDomElement tempElement = server.at(i).toElement();
    QDomElement tempChild = tempElement.firstChild().toElement();
    QMap<QString, QString> serverMap;
    while (!tempChild.isNull())
    {
      serverMap[tempChild.tagName()] = tempChild.firstChild().toText().data();
      tempChild = tempChild.nextSibling().toElement();
    }
    if (!serverMap.isEmpty())
    {
      m_serverList.append(serverMap);
    }
  }
  for (int i = 0; i <= event.size(); ++i)
  {
    const QDomElement tempElement = event.at(i).toElement();
    QDomElement tempChild = tempElement.firstChild().toElement();
    QMap<QString, QString> eventMap;
    while (!tempChild.isNull())
    {
      eventMap[tempChild.tagName()] = tempChild.firstChild().toText().data();
      tempChild = tempChild.nextSibling().toElement();
    }
    if (!eventMap.isEmpty())
    {
      m_eventList.append(eventMap);
    }
  }
  for (int i = 0; i <= action.size(); ++i)
  {
    const QDomElement tempElement = action.at(i).toElement();
    QDomElement tempChild = tempElement.firstChild().toElement();
    QMap<QString, QString> actionMap;
    while (!tempChild.isNull())
    {
      actionMap[tempChild.tagName()] = tempChild.firstChild().toText().data();
      tempChild = tempChild.nextSibling().toElement();
    }
    if (!actionMap.isEmpty())
    {
      m_actionList.append(actionMap);
    }
  }
  f.close();
  return true;
}

//Saves configuration from camera to XML file
void Config::saveConfig(const QString &savePath)
{
  QFile saveFile;
  saveFile.setFileName(savePath);
  if (saveFile.open(QIODevice::WriteOnly))
  {
    QTextStream stream(&saveFile);
    stream << m_domDocument.toString();
    saveFile.close();
  }
  else
    qDebug("Failed to write data!");
}

// used to fill XML
void Config::addElementToXml(const QMap<QString, QString> &givenMap, const QString &groupName)
{
  QString tempName = groupName;
  if (!tempName.compare(QLatin1String("Event.*.Actions")))
    tempName = QLatin1String("Action");
  if (!tempName.compare(QLatin1String("EventServers")))
    tempName = QLatin1String("EventServer");

  QDomElement tempElem = m_domDocument.createElement(tempName);
  m_root.appendChild(tempElem);
  QDomElement tempChild;
  QDomText tempText;
  for (auto iterator = givenMap.begin(); iterator != givenMap.end(); ++iterator)
  {
    tempChild = m_domDocument.createElement(iterator.key());
    tempElem.appendChild(tempChild);
    tempText = m_domDocument.createTextNode(iterator.value());
    tempChild.appendChild(tempText);
  }
}