import Base

type Config is Data:
  Host{host: String, port: U32, user: String, pass: String, vhost: String, prefetch: U32}

type Subscription is Data:
  Sub{queue: String, dlq_exchange: String, dlq_routing_key: String}

type Delivery is Data:
  Msg{body: String, tag: Nat, queue: String}

def Config.host(+cfg: Config) -> String:
  match cfg:
    case Host{host, port, user, pass, vhost, prefetch}:
      host

def Config.port(+cfg: Config) -> U32:
  match cfg:
    case Host{host, port, user, pass, vhost, prefetch}:
      port

def Config.user(+cfg: Config) -> String:
  match cfg:
    case Host{host, port, user, pass, vhost, prefetch}:
      user

def Config.pass(+cfg: Config) -> String:
  match cfg:
    case Host{host, port, user, pass, vhost, prefetch}:
      pass

def Config.vhost(+cfg: Config) -> String:
  match cfg:
    case Host{host, port, user, pass, vhost, prefetch}:
      vhost

def Config.prefetch(+cfg: Config) -> U32:
  match cfg:
    case Host{host, port, user, pass, vhost, prefetch}:
      prefetch