text: #include <utils/tolower.hpp>
  #include <config/config.hpp>
  #include <bridge/bridge.hpp>
  #include <irc/iid.hpp>
  
  #include <utils/encoding.hpp>
  
  constexpr char Iid::separator[];
  
  Iid::Iid(const std::string& local, const std::string& server, Iid::Type type):
          type(type),
          local(local),
          server(server)
  {
  }
  
  Iid::Iid(const std::string& iid, const std::set<char>& chantypes)
  {
    this->init(iid);
    this->set_type(std::set<char>(chantypes));
  }
  
  Iid::Iid(const std::string& iid, const std::initializer_list<char>& chantypes):
      Iid(iid, std::set<char>(chantypes))
  {
  }
  
  Iid::Iid(const std::string& iid, const Bridge *bridge)
  {
    this->init(iid);
    const auto chantypes = bridge->get_chantypes(this->server);
    this->set_type(chantypes);
  }
  
  void Iid::set_type(const std::set<char>& chantypes)
  {
    if (this->local.empty())
      return;
  
    if (chantypes.count(this->local[0]) == 1)
      this->type = Iid::Type::Channel;
    else
      this->type = Iid::Type::User;
  }
  
  void Iid::init(const std::string& iid)
  {
    const std::string fixed_irc_server = Config::get("fixed_irc_server", "");
  
    if (fixed_irc_server.empty())
    {
      const std::string::size_type sep = iid.find('%');
      if (sep != std::string::npos)
      {
        this->set_local(iid.substr(0, sep));
        this->set_server(iid.substr(sep + 1));
        this->type = Iid::Type::Channel;
      }
      else
      {
        this->set_server(iid);
        this->type = Iid::Type::Server;
      }
    }
    else
    {
      this->set_server(fixed_irc_server);
      this->set_local(iid);
    }
  }
  
  void Iid::set_local(const std::string& loc)
  {
    std::string local(utils::tolower(loc));
    xep0106::decode(local);
    this->local = local;
  }
  
  void Iid::set_server(const std::string& serv)
  {
    this->server = utils::tolower(serv);
  }
  
  const std::string& Iid::get_local() const
  {
    return this->local;
  }
  
  const std::string Iid::get_encoded_local() const
  {
    std::string local(this->local);
    xep0106::encode(local);
    return local;
  }
  
  const std::string& Iid::get_server() const
  {
    return this->server;
  }
  
  namespace std {
    const std::string to_string(const Iid& iid)
    {
      if (Config::get("fixed_irc_server", "").empty())
      {
        if (iid.type == Iid::Type::Server)
          return iid.get_server();
        else
          return iid.get_encoded_local() + iid.separator + iid.get_server();
      }
      else
        return iid.get_encoded_local();
    }
  }
  
  std::tuple<std::string, std::string> Iid::to_tuple() const
  {
    return std::make_tuple(this->get_local(), this->get_server());
  }
  