open! Import
include Router_types

type t = chan

let make ~name =
  {
    name;
    name_key = string_ci name;
    topic = None;
    members = Dllist.create ();
    chan_mode = Irc.Mode.Set.empty;
    chan_limit = None;
    chan_key = None;
  }

let name t = t.name
let topic t = t.topic
let mode t = t.chan_mode
let set_mode t new_mode = t.chan_mode <- new_mode
let limit t = t.chan_limit
let set_limit t n = t.chan_limit <- n
let key t = t.chan_key
let set_key t k = t.chan_key <- k

let register t ~router = Hashtbl.replace router.channels t.name_key t
let unregister t ~router = Hashtbl.remove router.channels t.name_key
let is_registered t ~router = Hashtbl.mem router.channels t.name_key

let members t =
  Dllist.fold_r (fun m xs -> m.mem_user :: xs) t.members []

let no_members t =
  Dllist.is_empty t.members