/* SPDX-License-Identifier: CC0-1.0
 *
 * Part of Hacktcha, a free/libre front-end for reCAPTCHA for use with Haketilo.
 *
 * Copyright (C) 2022 Wojtek Kosior
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the CC0 1.0 Universal License as published by
 * the Creative Commons Corporation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * CC0 1.0 Universal License for more details.
 */

/* Use with https://google.com/recaptcha/api2/demo */

/* Load captcha-parent.js first. */

(async () => {
    if (document.getElementsByClassName("recaptcha-success").length > 0)
	return;

    const demo_submit   = document.getElementById("recaptcha-demo-submit");
    const demo_div      = document.getElementById("recaptcha-demo");
    const token_field   = document.createElement("textarea");
    const demo_site_key = demo_div.getAttribute("data-sitekey");

    token_field.name = "g-recaptcha-response";
    token_field.style.display = "none";

    while (demo_div.nextElementSibling !== null)
	demo_div.nextElementSibling.remove();

    demo_div.after(token_field);

    demo_submit.setAttribute("disabled", "");

    for await (const token of HCHA.run(demo_div, demo_site_key)) {
	if (token === null) {
	    demo_submit.setAttribute("disabled", "");
	} else {
	    token_field.value = token;
	    demo_submit.removeAttribute("disabled");
	}
    }
})();