%%% @copyright Erlware, LLC. All Rights Reserved.
%%%
%%% This file is provided to you under the BSD License; you may not use
%%% this file except in compliance with the License.
%%%----------------------------------------------------------------
%%% @doc
%%%  erlcron app system
-module(ecrn_app).

-behaviour(application).

%% API
-export([manual_start/0, manual_stop/0]).

%% Application callbacks
-export([start/2, stop/1]).

%%%===================================================================
%%% API
%%%===================================================================

%% @doc
%%  start up the app and all the dependent apps.
manual_start() ->
    application:start(crypto),
    application:start(eunit),
    application:start(sasl),
    application:start(erlcron).

%% @doc
%%  stop the app manually
manual_stop() ->
    application:stop(erlcron).

%%%===================================================================
%%% Application callbacks
%%%===================================================================

%% @private
start(_StartType, _StartArgs) ->
    case ecrn_sup:start_link() of
        {ok, Pid} ->
            setup(),
            {ok, Pid};
        Error ->
            Error
    end.

%% @private
stop(_State) ->
    ok.

setup() ->
    case application:get_env(erlcron, crontab) of 
        {ok, Crontab} ->
            lists:foreach(fun(CronJob) ->
                erlcron:cron(CronJob) 
            end, Crontab);
        undefined ->
            ok
    end.