// ==UserScript==
// @name                正方教评填写（cqjzc.edu.cn）
// @version             1.0.0
// @description         正方教务，自己学校可在代码@match 自行更改。已移除多余按钮逻辑并修复获取元素错误。
// @author              原作者：JHPatchouli、鹏；改：毅然易报；
// @match               *://jxgl.cqjzc.edu.cn/jwglxt/xspjgl/*
// ==/UserScript==

(function () {
    const sleep = (delay) => new Promise((resolve) => setTimeout(resolve, delay));

    let divObj = document.createElement('div');
    
    divObj.innerHTML = `
        <button id="btna" class="custom-btn">优秀</button>
        <button id="btnb" class="custom-btn">良好</button>
        <button id="btnc" class="custom-btn">中</button>
        <button id="btnd" class="custom-btn">及格</button>
        <button id="btne" class="custom-btn">不及格</button>
        <button id="btnScrollToBottom" class="custom-btn special-btn">↓定位到提交↓</button>
    `;

    divObj.style = `
        position: fixed;
        z-index: 999;
        top: 10px;
        left: 50%;
        transform: translateX(-50%);
        margin: 0;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
        text-align: center;
        width: 100%;
    `;

    document.body.appendChild(divObj);

    const styles = `
        .custom-btn {
            width: 120px;
            height: 45px;
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 14px;
            cursor: pointer;
            transition: background-color 0.3s, transform 0.2s;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }

        .custom-btn:hover {
            background-color: #45a049;
            transform: translateY(-3px);
        }

        .custom-btn:active {
            background-color: #3e8e41;
            transform: translateY(1px);
        }

        .custom-btn:focus {
            outline: none;
        }

        .special-btn {
            background-color: #FF9800;
        }

        .special-btn:hover {
            background-color: #FB8C00;
        }

        .special-btn:active {
            background-color: #F57C00;
        }
    `;

    const styleTag = document.createElement('style');
    styleTag.innerHTML = styles;
    document.head.appendChild(styleTag);

    const btna = document.getElementById('btna');
    const btnb = document.getElementById('btnb');
    const btnc = document.getElementById('btnc');
    const btnd = document.getElementById('btnd');
    const btne = document.getElementById('btne');
    const btnScrollToBottom = document.getElementById('btnScrollToBottom');

    btna.addEventListener('click', async function () {
        var doc = document.getElementsByClassName("radio-pjf");
        var docle = doc.length;
        for (let i = 0; i < docle; i += 5) {
            const elemen = doc[i];
            elemen.checked = "true";
        }
        await sleep(4000);
    });

    btnb.addEventListener('click', async function () {
        var doc = document.getElementsByClassName("radio-pjf");
        var docle = doc.length;
        for (let i = 1; i < docle; i += 5) {
            const elemen = doc[i];
            elemen.checked = "true";
        }
        await sleep(4000);
    });

    btnc.addEventListener('click', async function () {
        var doc = document.getElementsByClassName("radio-pjf");
        var docle = doc.length;
        for (let i = 2; i < docle; i += 5) {
            const elemen = doc[i];
            elemen.checked = "true";
        }
        await sleep(4000);
    });

    btnd.addEventListener('click', async function () {
        var doc = document.getElementsByClassName("radio-pjf");
        var docle = doc.length;
        for (let i = 3; i < docle; i += 5) {
            const elemen = doc[i];
            elemen.checked = "true";
        }
        await sleep(4000);
    });

    btne.addEventListener('click', async function () {
        var doc = document.getElementsByClassName("radio-pjf");
        var docle = doc.length;
        for (let i = 4; i < docle; i += 5) {
            const elemen = doc[i];
            elemen.checked = "true";
        }
        await sleep(4000);
    });

    btnScrollToBottom.addEventListener('click', function () {
        window.scrollTo(0, document.body.scrollHeight);
    });

    window.addEventListener('load', function () {
        const selectElement = document.querySelector('.ui-pg-selbox');

        if (selectElement) {
            const options = selectElement.querySelectorAll('option');
            let maxOption = options[0];

            options.forEach(option => {
                if (parseInt(option.value) > parseInt(maxOption.value)) {
                    maxOption = option;
                }
            });

            selectElement.value = maxOption.value;

            const event = new Event('change', { bubbles: true });
            selectElement.dispatchEvent(event);
        }
    });
})();