#include "configsettings.h"

ConfigSettings::~ConfigSettings()
{
  delete m_settings;
}

void ConfigSettings::initFilename(const QString &fileName)
{
  delete m_settings;
  m_settings = new QSettings(fileName, QSettings::IniFormat);
}

int ConfigSettings::getInteger(const QString &a_group, const QString &a_key, const int &defaultValue)
{
  int result;
  if (!existsKey(a_group, a_key) )
    return defaultValue;
  QString keygrp = a_group + QLatin1Char('/') + a_key;
  result = m_settings->value(keygrp).toInt();
  return result;
}

QVector<int> ConfigSettings::getIntegerVector(const QString &a_group, const QString &a_key)
{
  QVector<int> result;
  if (!existsKey(a_group, a_key) )
    return result;
  const QString keygrp = a_group + QLatin1Char('/') + a_key;
  const QStringList list = m_settings->value(keygrp).toStringList();

  result.reserve(list.size());
  for (const QString &value : list)
    result.append(value.toInt());
  return result;
}

QMap<int, bool> ConfigSettings::getBoolMap(const QString &a_group, const QString &a_key)
{
  QMap<int, bool> result;
  QVector<int> intVector = getIntegerVector(a_group, a_key);
  for (int i = 0; i < intVector.size(); i++)
    result.insert(i, static_cast<bool>(intVector.at(i)));
  return result;
}

QString ConfigSettings::getString(const QString &a_group, const QString &a_key, const QString &defaultValue)
{
  QString result;
  if ( !existsKey(a_group, a_key) )
    return defaultValue;
  QString keygrp = a_group + QLatin1Char('/') + a_key;
  result = m_settings->value(keygrp).toString();
  return result;
}

double ConfigSettings::getFloat(const QString &a_group, const QString &a_key, const double &defaultValue)
{
  double result;
  if ( !existsKey(a_group, a_key) )
    return defaultValue;
  QString keygrp = a_group + QLatin1Char('/') + a_key;
  result = m_settings->value(keygrp).toDouble();
  return result;
}

QVector<double> ConfigSettings::getFloatVector(const QString &a_group, const QString &a_key)
{
  QVector<double> result;
  if (!existsKey(a_group, a_key) )
    return result;
  const QString keygrp = a_group + QLatin1Char('/') + a_key;
  const QStringList list = m_settings->value(keygrp).toStringList();

  result.reserve(list.size());
  for (const QString &value : list)
    result.append(value.toDouble());

  return result;
}

bool ConfigSettings::existsGroup(const QString &a_group)
{
  QStringList groups = m_settings->childGroups();

  return groups.contains(a_group);
}

QStringList ConfigSettings::getKeys(const QString &a_group)
{
  QStringList keys;
  m_settings->beginGroup(a_group);
  keys = m_settings->allKeys();
  m_settings->endGroup();
  return keys;
}

bool ConfigSettings::existsKey(const QString &a_group, const QString &a_key)
{
  QStringList keys = getKeys(a_group);
  return keys.contains(a_key);
}