// ==UserScript==
// @name                贵师大正方教务教学评价勾选
// @namespace           https://bbs.tampermonkey.net.cn/
// @version             1.1.0
// @description         贵州师范大学评教勾选
// @author              LongAnKang
// @match               https://jwgl.gznu.edu.cn/jwglxt/xspjgl/xspj_cxXspjIndex.html*
// ==/UserScript==

(function () {
    const sleep = (delay) => new Promise((resolve) => setTimeout(resolve, delay));
    
    const createButton = (id, text) => {
        const button = document.createElement('button');
        button.id = id;
        button.style.width = '80px';
        button.style.height = '40px';
        button.innerText = text;
        return button;
    };

    const addButton = (parent, button) => {
        parent.appendChild(button);
    };

    const selectItems = (doc, start, end, step) => {
        for (let i = start; i <= end; i += step) {
            doc[i].checked = true;
        }
    };

    const btnContainer = document.createElement('div');
    btnContainer.style.position = 'fixed';
    btnContainer.style.marginLeft = '40%';
    btnContainer.style.zIndex = '999';
    btnContainer.style.top = '0';
    btnContainer.style.width = '1900px';

    const btna = createButton('btna', '从未出现(优秀)');
    const btnb = createButton('btnb', '无法判断(良好)');
    const btnc = createButton('btnc', '极少出现(中等)');
    const btnd = createButton('btnd', '有时出现(及格)');
    const btne = createButton('btne', '经常出现(不及格)');

    addButton(btnContainer, btna);
    addButton(btnContainer, btnb);
    addButton(btnContainer, btnc);
    addButton(btnContainer, btnd);
    addButton(btnContainer, btne);

    document.body.appendChild(btnContainer);

    btna.addEventListener('click', async function () {
        const doc = document.getElementsByClassName("radio-pjf");
        const docLength = doc.length;
        const act = docLength - 30;

        selectItems(doc, 0, 25, 5);
        doc[26].checked = true;
        selectItems(doc, 31, 74, 5);
        selectItems(doc, 67, 97, 5);

        await sleep(4000);
    });

    btnb.addEventListener('click', async function () {
        const doc = document.getElementsByClassName("radio-pjf");
        const docLength = doc.length;
        const act = docLength - 30;

        selectItems(doc, 1, 25, 5);
        doc[26].checked = true;
        selectItems(doc, 30, 74, 5);
        selectItems(doc, 68, 97, 5);

        await sleep(4000);
    });

    btnc.addEventListener('click', async function () {
        const doc = document.getElementsByClassName("radio-pjf");
        const docLength = doc.length;
        const act = docLength - 30;

        selectItems(doc, 2, 25, 5);
        doc[26].checked = true;
        selectItems(doc, 29, 74, 5);
        selectItems(doc, 69, 97, 5);

        await sleep(4000);
    });

    btnd.addEventListener('click', async function () {
        const doc = document.getElementsByClassName("radio-pjf");
        const docLength = doc.length;
        const act = docLength - 30;

        selectItems(doc, 3, 25, 5);
        doc[26].checked = true;
        selectItems(doc, 28, 74, 5);
        selectItems(doc, 70, 97, 5);

        await sleep(4000);
    });

    btne.addEventListener('click', async function () {
        const doc = document.getElementsByClassName("radio-pjf");
        const docLength = doc.length;
        const act = docLength - 30;
        selectItems(doc, 4, 24, 5);
        doc[26].checked = true;
        selectItems(doc, 27, 74, 5);
        selectItems(doc, 71, 97, 5);

        await sleep(4000);
    });
})();