struct Configuration { //program configuration
  //GENERAL-Section:
  int BallCount;

  //BALL-Section:
  vector<int> BallColorRGB;
};

class ConfigFileHandler : public RawConfigFileHandler {
public:
  Configuration ProgramConfiguration;

  //empty constructor:
  ConfigFileHandler() {}

  //create a method that assigns the RawConfigData (from base class) to the Configuration-struct:
  void getConfig() {
    if (readFile()) //reading raw file and check if successful
    {
      //looping through the RawConfigData vector array:
      for (size_t i = 0; i < RawConfigData.size(); i++) 
      {
        if (RawConfigData[i].Section == "GENERAL")
        {
          if (RawConfigData[i].Key == "BALL_COUNT")
          {
            //assigning the value to the program configuration parameter:
            ProgramConfiguration.BallCount = stoi(RawConfigData[i].Value[0]); 
          }
        }
        else if (RawConfigData[i].Section == "BALL")
        {
          if (RawConfigData[i].Key == "BALL_RGB_COLOR")
          {
            for (size_t j = 0; j < RawConfigData[i].Value.size(); j++)
            {
              ProgramConfiguration.BallColorRGB.push_back(stoi(RawConfigData[i].Value[j]));
            }
          }
        }
      }
    }
  }

  //create a method that assigns the Configuration-struct to the RawConfigData (in base class):
  void setConfig() {
    int i = 0;
    RawConfigData.clear();

    RawConfigData.push_back(ConfigDataStruct());
    RawConfigData[i].Section = "GENERAL";
    RawConfigData[i].Key = "BALL_COUNT";
    RawConfigData[i].Value.push_back(std::to_string((ProgramConfiguration.BallCount)));
    i++; //increment the vector array iterator of RawConfigData 

    RawConfigData.push_back(ConfigDataStruct());
    RawConfigData[i].Section = "BALL";
    RawConfigData[i].Key = "COLOR_RGB";
    for (size_t j = 0; j < ProgramConfiguration.BallColorRGB.size(); j++)
    {
      RawConfigData[i].Value.push_back(std::to_string(ProgramConfiguration.BallColorRGB[j]));
    }

    writeFile();
  }
};