#include "config.h"

#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/xml_parser.hpp>

#include <iostream>

namespace pt = boost::property_tree;

namespace {
 const std::string default_datapath {"/var/lib/whiteboard"};
 const uint64_t default_maxage{0}; // timeout in seconds; 0 = no timeout
}

Config::Config(const std::string& config_filename): m_dataPath{default_datapath}, m_maxage{default_maxage}
{

 try {
  pt::ptree tree;

  pt::read_xml(config_filename, tree, pt::xml_parser::no_comments | pt::xml_parser::trim_whitespace);

  m_dataPath = tree.get<std::string>("config.datapath", default_datapath);
  m_maxage = tree.get<uint64_t>("config.maxage", default_maxage);
 } catch (const std::exception& ex) {
  std::cerr << "Error reading config file " << config_filename << ". Using defaults." << std::endl;
 }
}

std::string Config::getDataPath() const
{
 return m_dataPath;
}

uint64_t Config::getMaxage() const
{
 return m_maxage;
}