// ==UserScript==
// @name         小红书批量取消点赞&收藏
// @namespace    http://tampermonkey.net/
// @version      1.0
// @icon         https://fe-video-qc.xhscdn.com/fe-platform/ed8fe781ce9e16c1bfac2cd962f0721edabe2e49.ico
// @author       yangshengzhou
// @description  进入个人点赞/收藏页面，一键批量取消所有笔记点赞、收藏，自动滚动加载全部内容，内置间隔防限流，支持手动停止批量操作
// @match        https://www.xiaohongshu.com/user/profile/*?tab=liked*
// @match        https://www.xiaohongshu.com/user/profile/*?tab=fav*
// @grant        GM_addStyle
// ==/UserScript==

(function(){
'use strict';
GM_addStyle(`
#batchToolPanel{position:fixed;top:100px;right:20px;z-index:99999;background:#fff;border-radius:12px;padding:16px;box-shadow:0 4px 20px rgba(255,36,66,0.15);width:280px;border:1px solid #f5f5f5;font-family:system-ui,-apple-system,sans-serif;user-select:none}
#panelDragHead{width:100%;padding:4px 0 8px;margin:-4px 0 10px;cursor:move;font-size:15px;font-weight:600;color:#222;display:flex;align-items:center;gap:6px}
#toggleRunBtn{width:100%;padding:10px 0;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all 0.2s ease;margin-top:12px}
#toggleRunBtn.start-state{background:linear-gradient(135deg,#ff4757,#ff2442);color:#fff}
#toggleRunBtn.start-state:hover{background:linear-gradient(135deg,#ff384a,#e61e3b)}
#toggleRunBtn.stop-state{background:#444;color:#fff}
#toggleRunBtn.stop-state:hover{background:#2a2a2a}
#toggleRunBtn:disabled{opacity:0.6;cursor:not-allowed}
#logBox{margin-top:12px;width:100%;height:180px;overflow-y:auto;font-size:12px;border:1px solid #eee;padding:8px;border-radius:6px;background:#fafafa;white-space:pre-wrap;color:#333;line-height:1.5}
#logBox::-webkit-scrollbar{width:4px}
#logBox::-webkit-scrollbar-thumb{background:#ddd;border-radius:2px}
`);

// 创建面板容器
const panel=document.createElement('div');
panel.id='batchToolPanel';
panel.innerHTML=`
<div id="panelDragHead"></div>
<button id="toggleRunBtn" class="start-state">开始批量取消</button>
<div id="logBox"></div>
`;
document.body.appendChild(panel);

const logBox=document.getElementById('logBox');
const toggleBtn=document.getElementById('toggleRunBtn');
const dragHead=document.getElementById('panelDragHead');

// 全局状态
let running=false;
let stopFlag=false;
let dragStartX,dragStartY,panelStartX,panelStartY;
// 通用延时常量
const CLICK_DELAY = 1300;
const SCROLL_WAIT = 1800;
const POPUP_WAIT = 900;
const ACTION_WAIT = 600;

// 判断当前页面类型
const url = location.href;
const isLikePage = url.includes('tab=liked');
const isFavPage = url.includes('tab=fav');

// 设置面板标题与图标
if(isLikePage){
    dragHead.innerHTML = `<span style="color:#ff2442;">♥</span> 批量取消点赞工具`;
}else if(isFavPage){
    dragHead.innerHTML = `<span style="color:#ff2442;">★</span> 批量取消收藏工具`;
}

// 日志输出
function log(text){
    const time=new Date().toLocaleTimeString();
    logBox.innerHTML+=`[${time}] ${text}\n`;
    logBox.scrollTop=logBox.scrollHeight;
}

// 重置按钮状态
function resetButtonState(){
    toggleBtn.disabled=false;
    toggleBtn.textContent="开始批量取消";
    toggleBtn.classList.remove("stop-state");
    toggleBtn.classList.add("start-state");
}

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

// ---------------------- 点赞页面逻辑 ----------------------
async function unlikeAllTask(){
    running=true;
    stopFlag=false;
    toggleBtn.textContent="终止操作";
    toggleBtn.classList.remove("start-state");
    toggleBtn.classList.add("stop-state");

    // 预加载滚动
    window.scrollTo(0,document.body.scrollHeight);
    await sleep(SCROLL_WAIT);
    window.scrollTo(0,0);
    await sleep(SCROLL_WAIT);

    if(stopFlag){
        log('任务手动终止');
        resetButtonState();
        running=false;
        return;
    }

    const btns=Array.from(document.querySelectorAll('.note-item .like-wrapper.like-active'));
    if(btns.length===0){
        log('未检测到可取消点赞笔记，任务结束');
        resetButtonState();
        running=false;
        return;
    }
    log(`预加载完成，共检测到${btns.length}条点赞笔记，开始批量取消`);

    for(let i=0;i<btns.length;i++){
        if(stopFlag){
            log('任务手动终止');
            break;
        }
        const btn=btns[i];
        try{
            btn.click();
            log(`已取消 ${i+1}/${btns.length}`);
        }catch(err){
            log(`第${i+1}条取消失败: ${err.message}`);
        }
        await sleep(CLICK_DELAY);
    }

    if(!stopFlag){
        log('全部点赞取消完成');
    }
    resetButtonState();
    running=false;
}

// ---------------------- 收藏页面逻辑 ----------------------
function closePopup(){
    const closeBtn = document.querySelector('.close-circle .close.close-mask-dark');
    closeBtn && closeBtn.click();
}

async function handleSingleCard(cardEl, index, total){
    log(`正在处理 ${index}/${total}`);
    const cover = cardEl.querySelector('a.cover.mask');
    if (!cover) {
        log(`第${index}条无封面链接，跳过`);
        return;
    }
    cover.click();
    await sleep(POPUP_WAIT);

    const collectBtn = document.querySelector('#noteContainer .collect-wrapper');
    if (!collectBtn) {
        log(`第${index}条未找到收藏按钮，关闭弹窗`);
        closePopup();
        await sleep(ACTION_WAIT);
        return;
    }
    collectBtn.click();
    log(`第${index}条取消收藏完成`);
    await sleep(ACTION_WAIT);
    closePopup();
}

async function cancelFavAllTask(){
    running=true;
    stopFlag=false;
    toggleBtn.textContent="终止操作";
    toggleBtn.classList.remove("start-state");
    toggleBtn.classList.add("stop-state");

    const allCards = Array.from(document.querySelectorAll('section.note-item'));
    if(allCards.length===0){
        log('未检测到收藏笔记，请滚动页面加载内容');
        resetButtonState();
        running=false;
        return;
    }
    log(`共检测到${allCards.length}条收藏笔记，开始批量处理`);

    for(let i=0;i<allCards.length;i++){
        if(stopFlag){
            log('任务手动终止');
            break;
        }
        await handleSingleCard(allCards[i], i+1, allCards.length);
        await sleep(CLICK_DELAY);
    }

    if(!stopFlag){
        log('当前页面全部收藏处理完成，刷新页面查看结果');
    }
    resetButtonState();
    running=false;
}

// 按钮点击分发任务
toggleBtn.addEventListener('click',async ()=>{
    if(running){
        stopFlag=true;
        return;
    }
    toggleBtn.disabled=true;
    if(isLikePage){
        await unlikeAllTask();
    }else if(isFavPage){
        await cancelFavAllTask();
    }
});

// 拖拽功能
dragHead.addEventListener('mousedown',e=>{
    dragStartX=e.clientX;
    dragStartY=e.clientY;
    const rect=panel.getBoundingClientRect();
    panelStartX=rect.left;
    panelStartY=rect.top;
    document.addEventListener('mousemove',dragMove);
    document.addEventListener('mouseup',dragEnd);
});
function dragMove(e){
    const dx=e.clientX-dragStartX;
    const dy=e.clientY-dragStartY;
    panel.style.left=(panelStartX+dx)+'px';
    panel.style.top=(panelStartY+dy)+'px';
    panel.style.right='auto';
}
function dragEnd(){
    document.removeEventListener('mousemove',dragMove);
    document.removeEventListener('mouseup',dragEnd);
}
})();