// Copyright 2018 Hans Dembinski
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)

#ifndef BOOST_HISTOGRAM_TEST_UTILITY_HISTOGRAM_HPP
#define BOOST_HISTOGRAM_TEST_UTILITY_HISTOGRAM_HPP

#include <boost/histogram/axis/ostream.hpp>
#include <boost/histogram/axis/variant.hpp>
#include <boost/histogram/make_histogram.hpp>
#include <boost/histogram/ostream.hpp>
#include <type_traits>
#include <vector>

namespace boost {
namespace histogram {

template <typename... Ts>
auto make_axis_vector(Ts&&... ts) {
  using T = axis::variant<detail::naked<Ts>...>;
  return std::vector<T>({T(std::forward<Ts>(ts))...});
}

using static_tag = std::false_type;
using dynamic_tag = std::true_type;

template <typename... Axes>
auto make(static_tag, Axes&&... axes) {
  return make_histogram(std::forward<Axes>(axes)...);
}

template <typename S, typename... Axes>
auto make_s(static_tag, S&& s, Axes&&... axes) {
  return make_histogram_with(s, std::forward<Axes>(axes)...);
}

template <typename... Axes>
auto make(dynamic_tag, Axes&&... axes) {
  return make_histogram(make_axis_vector(std::forward<Axes>(axes)...));
}

template <typename S, typename... Axes>
auto make_s(dynamic_tag, S&& s, Axes&&... axes) {
  return make_histogram_with(s, make_axis_vector(std::forward<Axes>(axes)...));
}

} // namespace histogram
} // namespace boost

#endif