%% @author Marc Worrell <marc@worrell.nl>
%% @copyright 2009 Marc Worrell
%% @doc Validator for checking if an input value evaluates to "true"

%% Copyright 2009 Marc Worrell
%%
%% 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(validator_base_acceptance).
-include_lib("zotonic_core/include/zotonic.hrl").
-export([render_validator/5, validate/5]).

render_validator(acceptance, TriggerId, _TargetId, Args, _Context)  ->
	JsObject   = z_utils:js_object(z_validation:rename_args(Args)),
	Script     = [<<"z_add_validator(\"">>,TriggerId,<<"\", \"acceptance\", ">>, JsObject, <<");\n">>],
	{[], Script}.

%% @spec validate(Type, Name, Values, Args, Context) -> {ok, AcceptedValue} | {error,Id,Error}
%%          Error = invalid | novalue
validate(acceptance, Id, Value, _Args, Context) ->
    case z_utils:is_true(Value) of
        true  -> {{ok, <<"1">>}, Context};
        false -> {{error, Id, invalid}, Context}
    end.