// ==UserScript==
// @name         TEMU自动滚动核价
// @namespace    http://tampermonkey.net/
// @version      4.0
// @description  自动查找带固定高度+滚动的div，自动滚动+自动操作
// @author       助手
// @match        https://agentseller.temu.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // 配置
    let SCROLL_SPEED = 30;
    let CHECK_VALUE = 80;
    let isRunning = false;
    let loopId = null;
    let scrollInterval = null;

    // 【核心修复】通过样式查找滚动容器：max-height:940px + height:940px + overflow-y:scroll
    function getScrollEl() {
        const allDivs = document.querySelectorAll('div');
        for (const div of allDivs) {
            const style = window.getComputedStyle(div);
            const maxH = style.maxHeight;
            const h = style.height;
            const overflowY = style.overflowY;
            
            if (maxH === '940px' && h === '940px' && overflowY === 'scroll') {
                return div;
            }
        }
        return null;
    }

    // 延时工具
    function delay(ms) {
        return new Promise(r => setTimeout(r, ms));
    }

    // 滚动控制
    function startScroll() {
        const el = getScrollEl();
        if (!el) {
            console.log('未找到滚动区域');
            return;
        }

        scrollInterval = setInterval(() => {
            el.scrollTop += SCROLL_SPEED;
            // 滚到底自动停止
            if (el.scrollTop + el.clientHeight >= el.scrollHeight - 10) {
                stopAll();
                console.log('已到底部，自动停止');
            }
        }, 30);
    }

    function stopScroll() {
        clearInterval(scrollInterval);
        scrollInterval = null;
    }

    // 自动检测操作逻辑
    async function checkAndProcess() {
        if (!isRunning) return;

        const drawer = document.querySelector('.Drawer_content_5-120-1.Drawer_right_5-120-1.Drawer_visible_5-120-1');
        if (!drawer) return;

        const tbody = drawer.querySelector('tbody');
        if (!tbody) return;

        const trs = tbody.querySelectorAll('tr');
        for (const tr of trs) {
            if (!isRunning) return;

            const prependCell = tr.querySelector('.IPT_prependCell_5-120-1.IPT_prependAppendCell_5-120-1');
            if (!prependCell) continue;
            const inputWrapper = prependCell.nextElementSibling;
            if (!inputWrapper) continue;
            const input = inputWrapper.querySelector('input');
            if (!input) continue;

            const val = Number(input.value.trim());
            if (isNaN(val) || val >= CHECK_VALUE) continue;

            console.log(`检测到小于 ${CHECK_VALUE}：`, val);

            const cell = tr.querySelector('.IPT_inputBlockCell_5-120-1.ST_inputBlockCell_5-120-1');
            if (cell) {
                cell.click();
                await delay(200);
            }

            const panel = document.querySelector('.ST_dropdownPanel_5-120-1');
            if (panel) {
                const lis = panel.querySelectorAll('li');
                if (lis.length >= 3) lis[2].click();
            }
            await delay(300);
        }
    }

    // 统一启停
    function startAll() {
        if (isRunning) return;
        isRunning = true;
        startScroll();
        loopId = setInterval(checkAndProcess, 500);
    }

    function stopAll() {
        isRunning = false;
        stopScroll();
        clearInterval(loopId);
        loopId = null;
    }

    // 创建控制面板（同行布局）
    function createPanel() {
        if (document.querySelector('#autoPanel')) return;

        const panel = document.createElement('div');
        panel.id = 'autoPanel';
        panel.style.cssText = `
            position: fixed; top: 20px; right: 20px; z-index: 99999;
            background: #fff; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.15);
            padding: 10px 12px; font-size: 14px; color: #333;
            display: flex; align-items: center; gap: 8px;
        `;

        panel.innerHTML = `
            <div style="display:flex; align-items:center; gap:6px;">
                <label>速度</label>
                <input type="number" id="speedInput" value="${SCROLL_SPEED}" style="width:50px; padding:3px;">
            </div>
            <div style="display:flex; align-items:center; gap:6px;">
                <label>小于</label>
                <input type="number" id="valueInput" value="${CHECK_VALUE}" style="width:50px; padding:3px;">
            </div>
            <button id="toggleBtn" style="padding:6px 12px; background:#007bff; color:#fff; border:none; border-radius:4px; cursor:pointer;">
                开始
            </button>
        `;

        document.body.appendChild(panel);

        const toggleBtn = document.querySelector('#toggleBtn');
        const speedInput = document.querySelector('#speedInput');
        const valueInput = document.querySelector('#valueInput');

        toggleBtn.addEventListener('click', () => {
            if (!isRunning) {
                SCROLL_SPEED = Number(speedInput.value) || 30;
                CHECK_VALUE = Number(valueInput.value) || 80;
                toggleBtn.textContent = '暂停';
                toggleBtn.style.background = '#dc3545';
                startAll();
            } else {
                toggleBtn.textContent = '开始';
                toggleBtn.style.background = '#007bff';
                stopAll();
            }
        });
    }

    // 页面加载完成后显示面板
    setTimeout(() => {
        createPanel();
        console.log('✅ 自动滚动+检测脚本已加载（样式定位修复版）');
    }, 1000);
})();