-module(gs2).
-vsn(2).
-behaviour(gen_server).

-export([is_operation_ok/1]).
-export([init/1, handle_call/3, handle_cast/2, handle_info/2, 
	 terminate/2, code_change/3]).

is_operation_ok(Op) -> 
    gen_server:call(gs2, {is_operation_ok, Op}).

init([Data]) ->
    {ok, []}.

handle_call({is_operation_ok, Op}, _From, State) ->
    Data = gs1:get_data(),
    Time = gs1:get_time(),
    Reply = do_things(lists2:assoc(Op, Data), Time),
    {reply, Reply, State}.

handle_cast(_Request, State) ->
    {noreply, State}.

handle_info(_Info, State) ->
    {noreply, State}.

terminate(_Reason, _State) ->
    ok.

code_change(_OldVsn, State, _Extra) ->
    {ok, State}.

do_things({ok, Val}, Time) ->
    Val;
do_things(false, Time) ->
    {false, Time}.