// AtlasClidMap.cxx

#include "dataset_atlaspool/AtlasClidMap.h"
#include <sstream>
#include <iostream>
#include "dataset_id/ContentId.h"

using std::string;
using std::istringstream;
using dset::AtlasClidMap;

typedef AtlasClidMap::Name Name;
typedef AtlasClidMap::Id Id;
typedef std::map<Id, Name> NameMap;
typedef std::map<Name, Id> IdMap;

//**********************************************************************
// Local definitions.
//**********************************************************************

namespace {

NameMap NAMES;
IdMap IDS;

int init() {
  static int stat = 1;
  if ( stat == 0 ) return stat;
  stat = 0;
  // Read file into string.
  string all;
#include "dataset_atlaspool/clid.h"
  // Loop over entries in the string.
  istringstream sall(all);
  while ( sall ) {
    Id id = 0;
    Name name = "";
    sall >> id;
    if ( ! sall ) break;
    sall >> name;
    assert( id > 0 );
    assert( name.size() > 0 );
    //std::cout << name << " " << id << std::endl;
    NAMES[id] = name;
    IDS[name] = id;
    ContentId cid = ContentId::private_register_id(id, name.c_str());
    //std::cout << cid << std::endl;
    if ( ! cid.is_valid() ) {
      std::cerr << "AtlasClidMap::init(): Error registering class "
                << name << " with ID " << id << std::endl;
    } else {
      assert( cid.is_valid() );
      assert( cid.index() == id );
      assert( cid.name() == name );
      assert( cid.key() == "" );
    }
  }
  return stat;
}

// Initialize map.
// So library load will make map available.
int STAT = init();

}

//**********************************************************************
// Member functions.
//**********************************************************************

// Return name.

AtlasClidMap::Name AtlasClidMap::name(Id id) {
  init();
  NameMap::const_iterator iname = NAMES.find(id);
  if ( iname == NAMES.end() ) return "";
  return iname->second;
}

//**********************************************************************

// Return ID.

AtlasClidMap::Id AtlasClidMap::id(Name name) {
  init();
  IdMap::const_iterator iid = IDS.find(name);
  if ( iid == IDS.end() ) return 0;
  return iid->second;
}

//**********************************************************************