-module(enet_sup).
-behaviour(supervisor).

%% API
-export([
    start_link/0,
    start_host_supervisor/3,
    stop_host_supervisor/1
]).

%% Supervisor callbacks
-export([init/1]).

-define(SERVER, ?MODULE).

%%%===================================================================
%%% API functions
%%%===================================================================

start_link() ->
    supervisor:start_link({local, ?SERVER}, ?MODULE, []).

start_host_supervisor(Port, ConnectFun, Options) ->
    Child = #{
        id => Port,
        start => {enet_host_sup, start_link, [Port, ConnectFun, Options]},
        restart => temporary,
        shutdown => infinity,
        type => supervisor,
        modules => [enet_host_sup]
    },
    supervisor:start_child(?MODULE, Child).

stop_host_supervisor(HostSup) ->
    supervisor:terminate_child(?MODULE, HostSup).

%%%===================================================================
%%% Supervisor callbacks
%%%===================================================================

init([]) ->
    SupFlags = #{
        strategy => one_for_one,
        intensity => 1,
        period => 5
    },
    {ok, {SupFlags, []}}.

%%%===================================================================
%%% Internal functions
%%%===================================================================