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/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * (Incomplete) Fix for Google Forms
 *
 * Copyright © 2021 jahoti <jahoti@tilde.team>
 * Copyright 2022 Wojtek Kosior <koszko@koszko.org>
 *
 * 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.
 *
 * I, Wojtek Kosior, thereby promise not to sue for violation of this file's
 * license. Although I request that you do not make use of this code in a way
 * incompliant with the license, I am not going to enforce this in court.
 */

var form = document.forms[0];
for (let div of form.querySelectorAll('div[data-params]')) {
    var data = JSON.parse('[' + div.dataset.params.substring(4));
    var name = 'entry.' + data[0][4][0][0];
    var input = div.querySelector('input');

    if (!input) {
	console.error(`cannot enable input ${name}`, div);
	continue;
    }

    if (input.name === name + '_sentinel') { // Radio
	for (const input_div of div.querySelectorAll('.appsMaterialWizToggleRadiogroupEl')) {
	    const new_radio = document.createElement('input');
	    new_radio.type = 'radio';
	    new_radio.name = name;
	    new_radio.value = input_div.getAttribute("data-value");
	    input_div.replaceWith(new_radio);
	}
    } else {
	input.removeAttribute('disabled');
	input.name = name;
    }
}

for (div of document.querySelectorAll('.quantumWizTextinputPaperinputPlaceholder'))
    div.remove();

function goToNext()
{
    var next = document.createElement('input');
    next.type = 'hidden';
    next.name = 'continue';
    next.value = '1';
    form.appendChild(next);
    form.submit();
}

const submit_selector = ".freebirdFormviewerViewNavigationSubmitButton";
const next_selector = ".freebirdFormviewerViewNavigationNoSubmitButton";
for (const but_div of document.querySelectorAll(submit_selector))
    but_div.addEventListener("click", () => form.submit());

for (const but_div of document.querySelectorAll(next_selector))
    but_div.addEventListener("click", goToNext);

// TODO: back, instate previous entries, fix form parts that still don't work