%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%%     http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.

-module(emqx_cli).

-export([ print/1
        , print/2
        , usage/1
        , usage/2
        ]).

print(Msg) ->
    io:format(Msg), lists:flatten(io_lib:format("~p", [Msg])).

print(Format, Args) ->
    io:format(Format, Args), lists:flatten(io_lib:format(Format, Args)).

usage(CmdList) ->
    lists:map(
      fun({Cmd, Descr}) ->
          io:format("~-48s# ~s~n", [Cmd, Descr]),
          lists:flatten(io_lib:format("~-48s# ~s~n", [Cmd, Descr]))
      end, CmdList).

usage(Format, Args) ->
    usage([{Format, Args}]).