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-module(ephraim).
-compile([debug_info, export_all]).

-record(state, {
	  conn  :: pid(),
	  convs :: dict:dictionary()
	 }).

start() ->
    Pid = spawn(?MODULE, init, []),
    register(ephraim, Pid).

stop() ->
    ephraim ! stop.

init() ->
    Conn = spawn(ephraim_conn, init, []),
    loop(#state{conn=Conn,convs=dict:new()}).

get_conv(State, JID) ->
    case dict:find(JID, State#state.convs) of
	{ok, Conv} ->
	    {State, Conv};
	error ->
	    Conv = spawn(ephraim_conv, init, [JID]),
	    Dict = dict:store(JID, Conv, State#state.convs),
	    {State#state{convs=Dict}, Conv}
    end.

loop(State) ->
    receive
	stop ->
	    dict:fold(fun(_,Conv,Msg) -> Conv ! Msg end, stop, State#state.convs),
	    State#state.conn ! stop;
	{receive_message, From, Packet} ->
	    {State2, Conv} = get_conv(State, From),
	    Conv ! {receive_message, Packet},
	    loop(State2);
	Msg ->
	    io:format("ephraim: ~p~n", [Msg]),
	    loop(State)
    end.