/*
 * (C) Copyright 1996- ECMWF.
 *
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 * In applying this licence, ECMWF does not waive the privileges and immunities
 * granted to it by virtue of its status as an intergovernmental organisation nor
 * does it submit to any jurisdiction.
 */

#include "eckit/utils/Translator.h"

#include "metkit/mars/MarsRequest.h"

#include "fdb5/types/TypesFactory.h"
#include "fdb5/types/TypeDouble.h"

namespace fdb5 {

//----------------------------------------------------------------------------------------------------------------------

TypeDouble::TypeDouble(const std::string &name, const std::string &type) :
  Type(name, type) {
}

TypeDouble::~TypeDouble() {
}

std::string TypeDouble::toKey(const std::string&,
                              const std::string& value) const {
  double v = eckit::Translator<std::string, double>()(value);
  long long ll = static_cast<long long>(v);

  if (ll == v) {
    return eckit::Translator<long long, std::string>()(ll);
  } else {
    return eckit::Translator<double, std::string>()(v);
  }
}

void TypeDouble::getValues(const metkit::mars::MarsRequest& request,
                           const std::string& keyword,
                           eckit::StringList& values,
                           const Notifier&,
                           const CatalogueReader*) const {
  std::vector<double> dblValues;

  request.getValues(keyword, dblValues, true);

  eckit::Translator<double, std::string> t;

  values.reserve(dblValues.size());

  for (std::vector<double>::const_iterator i = dblValues.begin(); i != dblValues.end(); ++i) {
    values.push_back(t(*i));
  }
}

void TypeDouble::print(std::ostream &out) const {
  out << "TypeDouble[name=" << name_ << "]";
}

static TypeBuilder<TypeDouble> type("Double");

//----------------------------------------------------------------------------------------------------------------------

} // namespace fdb5
