module;

#include <boost/beast/core.hpp>
#include <boost/beast/http.hpp>

export module routemon:http.common;

namespace beast = boost::beast;
export namespace bhttp = beast::http;

namespace boost::beast {

namespace concepts {

template <class T>
concept buffers_generator = beast::is_buffers_generator<T>::value;

template <class T>
concept const_buffer_sequence = beast::is_const_buffer_sequence<T>::value;

} // namespace concepts

namespace http::concepts {

template <class T>
concept fields = is_fields<T>::value;

template <class T>
concept body = is_body<T>::value;

template <class T>
concept body_reader = is_body_reader<T>::value;

} // namespace http::concepts

} // namespace boost::beast

namespace routemon::http {

struct supported_verb
{
  enum supported_verb_t : std::uint8_t
  {
    options,
    delete_,
    get,
    head,
    post,
    put,
  };

  supported_verb_t value;

  supported_verb(supported_verb_t value);

  static auto from(bhttp::verb v) -> std::optional<supported_verb>;

  operator bhttp::verb() const;
};

export struct verb_set
{
  bool options : 1 = false;
  bool delete_ : 1 = false;
  bool get : 1 = false;
  bool head : 1 = false;
  bool post : 1 = false;
  bool put : 1 = false;

  [[nodiscard]] auto with(supported_verb v) const noexcept -> verb_set;
  [[nodiscard]] auto empty() const noexcept -> bool;
  [[nodiscard]] auto to_string() const -> std::string;

  auto operator==(verb_set const& rhs) const noexcept -> bool = default;
};
static_assert(sizeof(verb_set) == 1);
static_assert(alignof(verb_set) == 1);

} // namespace routemon::http