%%--------------------------------------------------------------------
%% Copyright (c) 2020-2021 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_auto_subscribe_schema).

-behaviour(hocon_schema).

-include_lib("typerefl/include/types.hrl").

-export([ namespace/0
        , roots/0
        , fields/1]).

namespace() -> "auto_subscribe".

roots() ->
    ["auto_subscribe"].

fields("auto_subscribe") ->
    [ {topics, hoconsc:array(hoconsc:ref(?MODULE, "topic"))}
    ];

fields("topic") ->
    [ {topic, sc(binary(), #{})}
    , {qos, sc(hoconsc:union([typerefl:integer(0), typerefl:integer(1), typerefl:integer(2)]),
        #{default => 0})}
    , {rh,  sc(hoconsc:union([typerefl:integer(0), typerefl:integer(1), typerefl:integer(2)]),
        #{default => 0})}
    , {rap, sc(hoconsc:union([typerefl:integer(0), typerefl:integer(1)]), #{default => 0})}
    , {nl,  sc(hoconsc:union([typerefl:integer(0), typerefl:integer(1)]), #{default => 0})}
    ].

%%--------------------------------------------------------------------
%% Internal functions
%%--------------------------------------------------------------------

sc(Type, Meta) ->
    hoconsc:mk(Type, Meta).