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module;

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

module routemon:http.common$impl;

import :http.common;

namespace routemon::http {

supported_verb::supported_verb(supported_verb_t value) : value{value} {}

auto supported_verb::from(bhttp::verb v) -> std::optional<supported_verb>
{
  switch (v)
  {
  case bhttp::verb::options:
    return supported_verb::options;
  case bhttp::verb::delete_:
    return supported_verb::delete_;
  case bhttp::verb::get:
    return supported_verb::get;
  case bhttp::verb::head:
    return supported_verb::head;
  case bhttp::verb::post:
    return supported_verb::post;
  case bhttp::verb::put:
    return supported_verb::put;
  default:
    return std::nullopt;
  }
}

supported_verb::operator bhttp::verb() const
{
  switch (value)
  {
  case supported_verb::options:
    return bhttp::verb::options;
  case supported_verb::delete_:
    return bhttp::verb::delete_;
  case supported_verb::get:
    return bhttp::verb::get;
  case supported_verb::head:
    return bhttp::verb::head;
  case supported_verb::post:
    return bhttp::verb::post;
  case supported_verb::put:
    return bhttp::verb::put;
  }
}

auto verb_set::with(supported_verb v) const noexcept -> verb_set
{
  auto set = verb_set{*this};
  switch (v.value)
  {
  case supported_verb::delete_:
    set.delete_ = true;
    return set;
  case supported_verb::get:
    set.get = true;
    return set;
  case supported_verb::head:
    set.head = true;
    return set;
  case supported_verb::post:
    set.post = true;
    return set;
  case supported_verb::put:
    set.put = true;
    return set;
  case supported_verb::options:
    set.options = true;
    return set;
  }
}

auto verb_set::empty() const noexcept -> bool { return *this == verb_set{}; }

auto verb_set::to_string() const -> std::string
{
  std::ostringstream ss;
  bool wrote = false;
  auto write = [&](bhttp::verb v)
  {
    if (wrote)
      ss << ", ";
    ss << v;
    wrote = true;
  };
  if (delete_)
    write(bhttp::verb::delete_);
  if (get)
    write(bhttp::verb::get);
  if (head)
    write(bhttp::verb::head);
  if (post)
    write(bhttp::verb::post);
  if (put)
    write(bhttp::verb::put);
  if (options)
    write(bhttp::verb::options);
  return ss.str();
}

} // namespace routemon::http