#include "inputdatareader.hh"
#include "configuration.hh"
#include "posexcept.hh"
#include "topologyreadercsv.hh"

using namespace std ;



/* *** Constructors *** */


InputDataReader::InputDataReader()
{
  initialise_topology_media() ;
}



/* *** Operations *** */


void InputDataReader::initialise_topology_media()
{
  if (! Configuration::is_configured("data-input.topology-medium"))
    return ;

  const vector<string> &media_names =
    Configuration::string_vector_value("data-input.topology-medium") ;

  for (vector<string>::const_iterator i = media_names.begin() ;
       i != media_names.end() ; ++i)
    {
      if (*i == "CSV")
        initialise_topology_csv() ;

      else
        throw topology_input_medium_type_unknown(*i) ;
    }
}


void InputDataReader::initialise_topology_csv()
{
  if (! Configuration::is_configured("data-input.areas-csv-file"))
    throw no_topology_input_csv_file("areas") ;

  if (! Configuration::is_configured("data-input.waypoints-csv-file"))
    throw no_topology_input_csv_file("waypoints") ;

  TopologyReaderCSV(
    Configuration::string_value("data-input.areas-csv-file"),
    Configuration::string_value("data-input.waypoints-csv-file")) ;
}