/**
 * FormValidation (https://formvalidation.io)
 * The best validation library for JavaScript
 * (c) 2013 - 2020 Nguyen Huu Phuoc <me@phuoc.ng>
 */

import { Localization, ValidateInput, ValidateOptions, ValidateResult } from '../core/Core';
import call from '../utils/call';

export interface CallbackOptions extends ValidateOptions {
    callback: ((...arg: any[]) => any) | string;
}

export default function callback() {
    return {
        validate(input: ValidateInput<CallbackOptions, Localization>): ValidateResult {
            const response = call(input.options.callback, [input]);
            return ('boolean' === typeof response)
                    ? { valid: response } // Deprecated
                    : response;
        },
    };
}