defmodule Irc.Client.Command.Chghost do
  alias Irc.Parser.Line

  @type t :: {:chghost, old_mask :: Irc.Mask.t, new_mask :: Irc.Mask.t}

  def init() do
    {"CHGHOST", nil, "chghost"}
  end

  def handle_line(%Line{source: old_mask, args: [new_user, new_host]}, _) do
    new_mask = %Irc.Mask{old_mask | user: new_user, host: new_host}
    {:event, {:chghost, old_mask, new_mask}}
  end

end