// ==UserScript==
// @name         鲸鱼自动评教
// @namespace    https://scriptcat.org/zh-CN/script-show-page/6663
// @version      9.3.1
// @description  教学质量管理平台自动化评教，半自动/全自动，自动识别弹窗按钮
// @author       nullnow
// @match        https://jxzlgl.hbpa.edu.cn/index.html*
// @grant        GM_addStyle
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    const C = {
        comment: "好",
        modalTimeout: 15000,
        loadDelay: 3000
    };

    let semiRunning = false, autoRunning = false;
    let semiBtn, autoBtn;

    window.alert = (msg) => (console.log("alert:", msg), true);
    window.confirm = (msg) => (console.log("confirm:", msg), true);

    function setTextarea(el, text) {
        if (!el) return;
        el.focus();
        el.value = '';
        el.dispatchEvent(new Event('focus', { bubbles: true }));
        if (document.execCommand) {
            el.select();
            document.execCommand('insertText', false, text);
            el.dispatchEvent(new Event('change', { bubbles: true }));
            el.dispatchEvent(new Event('blur', { bubbles: true }));
        } else {
            el.value = text;
            ['input', 'change', 'blur'].forEach(e => el.dispatchEvent(new Event(e, { bubbles: true })));
        }
    }

    function fillTextareas() {
        let count = 0;
        document.querySelectorAll('textarea.ant-input').forEach(ta => {
            if (ta.value !== C.comment) {
                setTextarea(ta, C.comment);
                count++;
            }
        });
        if (count) console.log(`filled ${count} textarea(s)`);
    }

    function selectRadios() {
        let radios = document.querySelectorAll('input[type="radio"]');
        radios.forEach(r => { if (!r.checked && !r.disabled) r.click(); });
        console.log(`selected ${radios.length} radio(s)`);
    }

    function waitConfirm() {
        return new Promise((resolve) => {
            const start = Date.now();
            const obs = new MutationObserver(() => {
                const btn = document.querySelector('.ant-modal-body .ant-btn-primary');
                if (btn && btn.offsetParent !== null && !btn.disabled) {
                    obs.disconnect();
                    btn.click();
                    resolve(true);
                } else if (btn && btn.disabled) {
                    console.log("confirm button disabled, waiting...");
                }
                if (Date.now() - start > C.modalTimeout) {
                    obs.disconnect();
                    resolve(false);
                }
            });
            obs.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['disabled', 'class'] });
            setTimeout(() => { obs.disconnect(); resolve(false); }, C.modalTimeout);
        });
    }

    function waitSuccessButton() {
        return new Promise((resolve) => {
            const start = Date.now();
            const obs = new MutationObserver(() => {
                const btns = Array.from(document.querySelectorAll('.ant-modal-body button, .ant-modal button'));
                const actionBtns = btns.filter(btn => !btn.querySelector('.anticon-close') && btn.innerText !== '取消');
                let target = actionBtns.find(btn => btn.innerText !== '确定' && btn.innerText !== '确 定');
                if (!target && actionBtns.length === 2) {
                    target = actionBtns.find(btn => btn.innerText.includes('确定'));
                }
                if (target && target.offsetParent !== null && !target.disabled) {
                    obs.disconnect();
                    resolve(target);
                    return;
                }
                if (Date.now() - start > C.modalTimeout) {
                    obs.disconnect();
                    resolve(null);
                }
            });
            obs.observe(document.body, { childList: true, subtree: true });
            setTimeout(() => { obs.disconnect(); resolve(null); }, C.modalTimeout);
        });
    }

    async function evaluateOnce() {
        selectRadios();
        await new Promise(r => setTimeout(r, 1000));
        fillTextareas();
        await new Promise(r => setTimeout(r, 500));
        fillTextareas();

        let submit = document.querySelector('.ant-btn-primary, .index__submit--jiKIA');
        if (!submit) {
            console.error("submit button not found");
            return null;
        }
        fillTextareas();
        await new Promise(r => setTimeout(r, 200));
        submit.click();

        if (!(await waitConfirm())) return null;
        return await waitSuccessButton();
    }

    async function waitForQuestions(timeout = 15000) {
        const start = Date.now();
        while (Date.now() - start < timeout) {
            if (document.querySelector('textarea.ant-input, input[type="radio"]')) {
                await new Promise(r => setTimeout(r, 500));
                return true;
            }
            await new Promise(r => setTimeout(r, 300));
        }
        return false;
    }

    async function semiAuto() {
        if (semiRunning) return;
        semiRunning = true;
        if (semiBtn) {
            semiBtn.classList.add('disabled');
            semiBtn.textContent = '⏳ 运行中...';
        }
        try {
            const next = await evaluateOnce();
            if (next) console.log(`next button found: ${next.innerText}`);
            else console.log("evaluation finished");
        } catch(e) { console.error(e); }
        finally {
            if (semiBtn) {
                semiBtn.classList.remove('disabled');
                semiBtn.textContent = '📋 一键评教';
            }
            semiRunning = false;
        }
    }

    async function fullAuto() {
        if (autoRunning) return;
        autoRunning = true;
        if (autoBtn) {
            autoBtn.classList.add('disabled');
            autoBtn.textContent = '⏳ 全自动中...';
        }
        if (semiBtn) semiBtn.disabled = true;
        let count = 0;
        try {
            while (true) {
                count++;
                const next = await evaluateOnce();
                if (!next) break;
                next.click();
                await new Promise(r => setTimeout(r, C.loadDelay));
                if (!(await waitForQuestions())) break;
            }
        } catch(e) { console.error(e); }
        finally {
            autoRunning = false;
            if (autoBtn) {
                autoBtn.classList.remove('disabled');
                autoBtn.textContent = '🔄 全自动评教';
            }
            if (semiBtn) semiBtn.disabled = false;
        }
    }

    function createUI() {
        const container = document.createElement('div');
        Object.assign(container.style, {
            position: 'fixed', bottom: '30px', right: '30px', zIndex: '9999',
            display: 'flex', flexDirection: 'column', gap: '10px', alignItems: 'flex-end'
        });
        semiBtn = document.createElement('button');
        semiBtn.textContent = '📋 一键评教';
        Object.assign(semiBtn.style, {
            background: '#4CAF50', color: 'white', border: 'none', borderRadius: '40px',
            padding: '10px 20px', fontSize: '14px', fontWeight: 'bold', cursor: 'pointer',
            width: '140px', boxShadow: '0 2px 8px rgba(0,0,0,0.2)'
        });
        semiBtn.onclick = semiAuto;
        autoBtn = document.createElement('button');
        autoBtn.textContent = '🔄 全自动评教';
        Object.assign(autoBtn.style, {
            background: '#2196F3', color: 'white', border: 'none', borderRadius: '40px',
            padding: '10px 20px', fontSize: '14px', fontWeight: 'bold', cursor: 'pointer',
            width: '140px', boxShadow: '0 2px 8px rgba(0,0,0,0.2)'
        });
        autoBtn.onclick = fullAuto;
        container.appendChild(semiBtn);
        container.appendChild(autoBtn);
        document.body.appendChild(container);
    }

    GM_addStyle(`.disabled { opacity: 0.6; cursor: not-allowed !important; }`);
    window.addEventListener('load', createUI);
})();