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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>Terminal Tab</title>
<link rel="icon" href="favicon.ico" type="image/x-icon">
<style>
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;background:#0a0a0a;color:#00ff41;font-family:'Cascadia Code','JetBrains Mono','Fira Code','Consolas',monospace;font-size:14px;line-height:1.5;overflow:hidden}
html:hover,body:hover{cursor:default}
body{--cursor: none}
body.show-cursor{--cursor: default}
body{caret-color:#0f0}
*{cursor:var(--cursor)}
#term{display:flex;flex-direction:column;height:100vh}
#status{display:flex;justify-content:space-between;padding:4px 12px;background:#111;border-bottom:1px solid #1a3a1a;font-size:12px;color:#0a0;user-select:none;flex-shrink:0}
#status .right{display:flex;gap:16px}
#output{flex:1;overflow-y:auto;padding:12px 16px 4px;white-space:pre-wrap;word-break:break-all;scroll-behavior:smooth}
#output::-webkit-scrollbar{width:6px}
#output::-webkit-scrollbar-track{background:transparent}
#output::-webkit-scrollbar-thumb{background:#1a3a1a;border-radius:3px}
#input-line{display:flex;align-items:center;padding:6px 16px 12px;flex-shrink:0;background:#0a0a0a}
#prompt{color:#0f0;user-select:none;white-space:pre;flex-shrink:0}
#cmd{flex:1;background:transparent;border:none;outline:none;color:#0f0;font:inherit;caret-color:#0f0;margin-left:4px}
#cmd::selection{background:#1a5a1a}
.line{min-height:1.5em;color:#0a0}
.line.cmd{color:#0f0}
.line.error{color:#f44}
.line.info{color:#0aa}
.line.warn{color:#aa0}
.line.output{color:#0a0}
.app-window{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);width:80vw;height:80vh;background:#0d0d0d;border:1px solid #1a4a1a;z-index:100;display:flex;flex-direction:column;resize:both;overflow:auto;min-width:400px;min-height:300px;box-shadow:0 0 40px rgba(0,255,65,.1)}
.app-window .app-bar{display:flex;justify-content:space-between;align-items:center;padding:6px 12px;background:#111;border-bottom:1px solid #1a3a1a;user-select:none;cursor:move}
.app-window .app-bar .app-title{color:#0a0;font-size:13px}
.app-window .app-bar .app-close{color:#0a0;cursor:pointer;font-size:16px;line-height:1}
.app-window .app-bar .app-close:hover{color:#f44}
.app-window .app-content{flex:1;overflow:auto;padding:0}
.app-window .app-content iframe{width:100%;height:100%;border:none}
.app-window .app-content textarea{width:100%;height:100%;background:#0a0a0a;color:#0f0;border:none;outline:none;font:inherit;padding:12px;resize:none;tab-size:2}
.editor-wrapper{position:relative;width:100%;height:100%}
.editor-wrapper textarea,.editor-wrapper pre{position:absolute;top:0;left:0;width:100%;height:100%;padding:12px;margin:0;font:inherit;line-height:1.5;white-space:pre-wrap;word-wrap:break-word;overflow:auto;tab-size:2}
.editor-wrapper textarea{z-index:2;color:transparent;background:transparent;caret-color:#0f0;border:none;outline:none;resize:none}
.editor-wrapper pre{z-index:1;pointer-events:none;color:#0a0;border:none;background:#0a0a0a}
.editor-wrapper .hl-k{color:#f0f}
.editor-wrapper .hl-s{color:#fa0}
.editor-wrapper .hl-c{color:#555}
.editor-wrapper .hl-n{color:#0af}
.editor-wrapper .hl-f{color:#0ff}
.editor-wrapper .hl-t{color:#f44}
</style>
</head>
<body>
<div id="term">
<div id="status">
<span id="status-user">visitor@terminal ~</span>
<span class="right">
<span id="status-net">● 在线</span>
<span id="status-time"></span>
</span>
</div>
<div id="output"></div>
<div id="input-line">
<span id="prompt">$ </span>
<input type="text" id="cmd" autofocus spellcheck="false" autocomplete="off">
</div>
</div>
<script>
'use strict';
/* DB */
const DB_NAME='TermTabDB',DB_V=2;
function openDB(){return new Promise(function(res,rej){var r=indexedDB.open(DB_NAME,DB_V);r.onupgradeneeded=function(e){var d=r.result;if(e.oldVersion<1){if(!d.objectStoreNames.contains('files'))d.createObjectStore('files',{keyPath:'path'});if(!d.objectStoreNames.contains('apps'))d.createObjectStore('apps',{keyPath:'name'});if(!d.objectStoreNames.contains('config'))d.createObjectStore('config',{keyPath:'key'})}if(e.oldVersion<2){if(d.objectStoreNames.contains('files'))d.deleteObjectStore('files');d.createObjectStore('files',{keyPath:'path'})}};r.onsuccess=function(){res(r.result)};r.onerror=function(){rej(r.error)}})}
var _dbc;
async function _db(){if(!_dbc)_dbc=await openDB();return _dbc}
function dbGet(st,k){return _db().then(function(d){return new Promise(function(res,rej){var r=d.transaction(st,'readonly').objectStore(st).get(k);r.onsuccess=function(){res(r.result)};r.onerror=function(){rej(r.error)}})})}
function dbPut(st,v){return _db().then(function(d){return new Promise(function(res,rej){var r=d.transaction(st,'readwrite').objectStore(st).put(v);r.onsuccess=function(){res()};r.onerror=function(){rej(r.error)}})})}
function dbDel(st,k){return _db().then(function(d){return new Promise(function(res,rej){var r=d.transaction(st,'readwrite').objectStore(st).delete(k);r.onsuccess=function(){res()};r.onerror=function(){rej(r.error)}})})}
function dbAll(st){return _db().then(function(d){return new Promise(function(res,rej){var r=d.transaction(st,'readonly').objectStore(st).getAll();r.onsuccess=function(){res(r.result)};r.onerror=function(){rej(r.error)}})})}
/* FS */
var FS={};
FS.init=async function(){
var r=await dbGet('files','/');
if(!r){var root={path:'/',type:'dir',children:{},content:''};
var dirs=['/bookmarks','/notes'];
for(var i=0;i<dirs.length;i++){var d=dirs[i];root.children[d.replace(/^\/+/,'')]=1;await dbPut('files',{path:d,type:'dir',children:{},content:''})}
await dbPut('files',root);
}else{
var need=['/bookmarks','/notes'];
for(var i=0;i<need.length;i++){var st=await dbGet('files',need[i]);if(!st){await dbPut('files',{path:need[i],type:'dir',children:{},content:''})}r.children[need[i].split('/').pop()]=1}
delete r.children.config;delete r.children.scripts;delete r.children.apps;
await dbPut('files',r);
}
};
FS.stat=async function(p){if(p==='/')return{type:'dir',path:'/'};var r=await dbGet('files',p);return r||null};
FS.read=async function(p){var r=await dbGet('files',p);if(!r)throw new Error('cat: '+p+': 没有这个文件');if(r.type==='dir')throw new Error('cat: '+p+': 是一个目录');return r.content};
FS.write=async function(p,c){var e=await dbGet('files',p);if(e&&e.type==='dir')throw new Error('write: '+p+': 是一个目录');var pp=p.substring(0,p.lastIndexOf('/'))||'/';var name=p.split('/').filter(Boolean).pop();var parent=await dbGet('files',pp);if(!parent)throw new Error('write: '+pp+': 不存在');await dbPut('files',{path:p,type:'file',content:c});parent.children[name]=1;await dbPut('files',parent)};
FS.mkdir=async function(p){var e=await dbGet('files',p);if(e)throw new Error('mkdir: '+p+': 文件已存在');var pp=p.substring(0,p.lastIndexOf('/'))||'/';var name=p.split('/').filter(Boolean).pop();var parent=await dbGet('files',pp);if(!parent)throw new Error('mkdir: '+pp+': 目录不存在');await dbPut('files',{path:p,type:'dir',children:{},content:''});parent.children[name]=1;await dbPut('files',parent)};
FS.rm=async function(p){var e=await dbGet('files',p);if(!e)throw new Error('rm: '+p+': 不存在');if(e.type==='dir'&&Object.keys(e.children).length>0)throw new Error('rm: '+p+': 目录非空');await dbDel('files',p);var pp=p.substring(0,p.lastIndexOf('/'))||'/';var name=p.split('/').filter(Boolean).pop();var parent=await dbGet('files',pp);if(parent){delete parent.children[name];await dbPut('files',parent)}};
FS.ls=async function(p){var e=await dbGet('files',p||'/');if(!e)throw new Error('ls: '+p+': 不存在');if(e.type!=='dir')return[e.path.split('/').pop()];return Object.keys(e.children||{})};
FS.rmtree=async function(p,vis){var e=await dbGet('files',p);if(!e)throw new Error('rm: '+p+': 不存在');if(e.type==='dir'){var kids=Object.keys(e.children||{});for(var i=0;i<kids.length;i++)await FS.rmtree(p+'/'+kids[i],vis)}await dbDel('files',p);var pp=p.substring(0,p.lastIndexOf('/'))||'/';var name=p.split('/').filter(Boolean).pop();var parent=await dbGet('files',pp);if(parent){delete parent.children[name];await dbPut('files',parent)}};
FS.unlink=async function(p){var pp=p.substring(0,p.lastIndexOf('/'))||'/';var name=p.split('/').filter(Boolean).pop();var parent=await dbGet('files',pp);if(parent){delete parent.children[name];await dbPut('files',parent)}};
FS.move=async function(src,dst){
var se=await dbGet('files',src);if(!se)throw new Error('mv: '+src+': 不存在');
var srcN=src.replace(/\/+$/,'').split('/').filter(Boolean).pop();
var de=await dbGet('files',dst);
var target=dst.replace(/\/+$/,'');
if(de&&de.type==='dir')target+='/'+srcN; // 目标是已存在目录 → 移入
if(target===src)throw new Error('mv: 源和目标相同');
var te=await dbGet('files',target);
if(te)throw new Error('mv: '+target+': 目标已存在');
var tpp=target.substring(0,target.lastIndexOf('/'))||'/';
var tpar=await dbGet('files',tpp);
if(!tpar)throw new Error('mv: '+tpp+': 目标目录不存在');
var tname=target.split('/').filter(Boolean).pop();
if(se.type==='dir'){
await dbPut('files',{path:target,type:'dir',children:{},content:''});
tpar.children[tname]=1;await dbPut('files',tpar);
var kids=Object.keys(se.children||{});
for(var i=0;i<kids.length;i++)await FS.move(src+'/'+kids[i],target+'/'+kids[i]);
}else{
await dbPut('files',{path:target,type:'file',content:se.content});
tpar.children[tname]=1;await dbPut('files',tpar);
}
await dbDel('files',src);
await FS.unlink(src);
return target;
};
FS.replace=async function(p,c){var pp=p.substring(0,p.lastIndexOf('/'))||'/';var name=p.split('/').filter(Boolean).pop();var parent=await dbGet('files',pp);if(!parent)throw new Error('write: '+pp+': 不存在');await dbPut('files',{path:p,type:'file',content:c});parent.children[name]=1;await dbPut('files',parent)};
/* Config */
var searchEngines={bing:'https://www.bing.com/search?q=',google:'https://www.google.com/search?q=',duckduckgo:'https://duckduckgo.com/?q=',baidu:'https://www.baidu.com/s?wd='};
var config={theme:'default',fontsize:14,opacity:1,searchEngine:searchEngines.bing};
async function loadConfig(){var r=await dbGet('config','settings');if(r){for(var k in r)config[k]=r[k];applyConfig()}}
async function saveConfig(){await dbPut('config',{key:'settings',theme:config.theme,fontsize:config.fontsize,opacity:config.opacity,searchEngine:config.searchEngine})}
function applyConfig(){document.body.style.fontSize=config.fontsize+'px';document.getElementById('term').style.opacity=config.opacity;var t=themes[config.theme]||themes.default;for(var k in t)document.getElementById('term').style[k]=t[k]}
var themes={default:{background:'#0a0a0a',color:'#00ff41'},amber:{background:'#0a0800',color:'#ffb000'},green:{background:'#000',color:'#0f0'},dracula:{background:'#1e1e2e',color:'#f8f8f2'}};
/* Bookmarks */
async function getBookmarks(){var r=await dbGet('config','bookmarks');return r&&r.value?r.value:[]}
async function saveBookmarks(b){await dbPut('config',{key:'bookmarks',value:b})}
async function migrateBookmarks(){ // 兼容旧版: 书签数组曾在 files store 的 /bookmarks 文件里
var old=await dbGet('files','/bookmarks');
if(old&&old.type==='file'&&old.content){
try{var arr=JSON.parse(old.content);await saveBookmarks(arr)}catch(e){}
await dbDel('files','/bookmarks');
}
// 迁移中间版本: 书签数组在 files store 的 /config/bookmarks.json 文件里
var cf=await dbGet('files','/config/bookmarks.json');
if(cf&&cf.content){
try{var arr2=JSON.parse(cf.content);await saveBookmarks(arr2)}catch(e){}
await dbDel('files','/config/bookmarks.json');
}
// 清理已移除的隐藏目录
await dbDel('files','/config/theme.conf');
var stale=['/config','/scripts','/apps'];
for(var i=0;i<stale.length;i++){
var s=await dbGet('files',stale[i]);
if(s&&s.type==='dir'){var kids=Object.keys(s.children||{});for(var j=0;j<kids.length;j++)await dbDel('files',stale[i]+'/'+kids[j])}
await dbDel('files',stale[i]);
}
}
function bmPathOf(b){return '/bookmarks'+(b.cat?'/'+b.cat:'')+'/'+b.name}
function isProtectedName(n){for(var i=0;i<builtinLinks.length;i++)if(builtinLinks[i].protected&&builtinLinks[i].name===n)return true;return false}
async function bmMaterialize(b){ // 在镜像树中创建/更新书签文件
var base='/bookmarks';
if(b.cat){base+='/'+b.cat;var pe=await FS.stat(base);if(!pe)await FS.mkdir(base)}
await FS.write(base+'/'+b.name,b.url||'');
}
async function bmUnmaterialize(b){ // 删除镜像树中的书签文件
var p=bmPathOf(b),st=await FS.stat(p);
if(st)await FS.rm(p);
}
async function materializeMissing(){ // 启动时幂等同步：确保每个用户书签都有镜像文件
var arr=await getBookmarks();
for(var i=0;i<arr.length;i++){var ex=await FS.stat(bmPathOf(arr[i]));if(!ex){try{await bmMaterialize(arr[i])}catch(e){}}}
}
var builtinLinks=[
{name:'源代码',url:'https://github.com/CodingNovice1024/Terminal-Tab',abbr:'code',protected:true},
{name:'GitHub',url:'https://github.com',abbr:'gh'},
{name:'哔哩哔哩',url:'https://www.bilibili.com',abbr:'bl'},
{name:'百度',url:'https://www.baidu.com',abbr:'bd'},
{name:'YouTube',url:'https://www.youtube.com',abbr:'yt'},
{name:'Google',url:'https://www.google.com',abbr:'gg'}
];
async function getDeletedLinks(){var r=await dbGet('config','deletedLinks');return r&&r.value?r.value:[]}
async function saveDeletedLinks(v){await dbPut('config',{key:'deletedLinks',value:v})}
async function mergedBookmarks(){
var d=await getDeletedLinks(),user=await getBookmarks(),out=[];
for(var i=0;i<builtinLinks.length;i++){var b=builtinLinks[i];
if(d.indexOf(b.name)>=0)continue;
var un=null;for(var j=0;j<user.length;j++)if(user[j].name===b.name){un=user[j];break}
if(b.protected)out.push(b);
else if(un)out.push(un);
else out.push(b);
}
return out.concat(user.filter(function(u){var f=false;for(var k=0;k<builtinLinks.length;k++)if(builtinLinks[k].name===u.name){f=true;break}return !f}));
}
async function bookmarkFind(q){
var q2=q.toLowerCase(),bm=await mergedBookmarks(),r=null;
for(var i=0;i<bm.length;i++){if(bm[i].name.toLowerCase()===q2||(bm[i].abbr&&bm[i].abbr.toLowerCase()===q2)){r=bm[i];break}}
return r;
}
async function bookmarkAdd(name,url,abbr,cat){
var bm=await mergedBookmarks();
for(var i=0;i<builtinLinks.length;i++){if(builtinLinks[i].protected&&builtinLinks[i].name===name){print('内置书签 "'+name+'" 受保护，不能添加同名','error');return false}}
if(isProtectedName(name)){print('内置书签名称受保护，不能用作分类名','error');return false}
for(var i=0;i<bm.length;i++){if(bm[i].name===name){if(bm[i].url===url){print('书签 "'+name+'" 已存在','error');return false}print('已有同名书签，已用新地址替换','info');var u=(await getBookmarks()).filter(function(b){return b.name!==name});if(cat)u.push({name:name,url:url,abbr:abbr,cat:cat});else u.push({name:name,url:url,abbr:abbr});await saveBookmarks(u);try{await bmMaterialize({name:name,url:url,cat:cat||''})}catch(e){}return true}}
if(abbr){for(var i=0;i<bm.length;i++){if(bm[i].abbr&&bm[i].abbr.toLowerCase()===abbr.toLowerCase()){print('缩写 "'+abbr+'" 已被 "'+bm[i].name+'" 占用','error');return false}}}
var nb=abbr?{name:name,url:url,abbr:abbr}:{name:name,url:url};
if(cat)nb.cat=cat;
await saveBookmarks((await getBookmarks()).concat([nb]));
try{await bmMaterialize(nb)}catch(e){}
return true;
}
async function bookmarkRestore(name){
var d=await getDeletedLinks();if(d.indexOf(name)<0)return false;
await saveDeletedLinks(d.filter(function(x){return x!==name}));return true;
}
async function syncBmFromTree(preserve,movedFrom){ // movedFrom: 被改名书签的 {oldName,oldCat}
var list=[],seen={};
async function walk(dir,cat){
var ns=await FS.ls(dir).catch(function(){return[]});
for(var i=0;i<ns.length;i++){
var p=dir+(dir==='/'?'':'/')+ns[i];var st=await FS.stat(p);
if(st&&st.type==='dir')await walk(p,cat?cat+'/'+ns[i]:ns[i]);
else if(st){
var key=(cat?cat+'/':'')+ns[i];
if(seen[key])continue;seen[key]=1;
list.push({name:ns[i],cat:cat||'',url:st.content||''});
}
}
}
await walk('/bookmarks','');
var old=await getBookmarks();
for(var j=0;j<list.length;j++){var b=list[j];var pk=b.cat+'/'+b.name;
var o=null,pr=null;
for(var k=0;k<old.length;k++)if(old[k].name===b.name&&(old[k].cat||'')===b.cat){o=old[k];break}
if(preserve)for(var e=0;e<preserve.length;e++)if((preserve[e].cat||'')+'/'+preserve[e].name===pk){pr=preserve[e];break}
var src=pr||o;
if(movedFrom&&b.name===movedFrom.newName&&(b.cat||'')===(movedFrom.newCat||'')){
for(var g=0;g<old.length;g++)if(old[g].name===movedFrom.oldName&&(old[g].cat||'')===(movedFrom.oldCat||'')){src=old[g];break}
}
if(src&&src.abbr)b.abbr=src.abbr;
if(!b.url&&src&&src.url)b.url=src.url;
}
// 内置书签不落盘，始终由 mergedBookmarks 通过 deletedLinks 参与显示，这里只存用户书签
await saveBookmarks(list);
}
/* Fuzzy matcher */
function isCmdName(s){return /^[A-Za-z0-9][A-Za-z0-9-]*$/.test(s)}
function matchField(name,q,field){
var p=0;for(var i=0;i<q.length;i++){var j=name.indexOf(q[i],p);if(j<0)return null;p=j+1}
var sc=(q.length/name.length);
for(var i=0;i<q.length;i++){if(i===0&&(name[0]===q[0]))sc+=0.2;
var pos=name.indexOf(q[i]);if(pos>0&&(name[pos-1]==='-'||name[pos-1]==='_'||name[pos-1]==='/'||name[pos-1]==='.'||name[pos-1]===':'))sc+=0.15;
if(i>0&&name.indexOf(q[i],name.indexOf(q[i-1])+1)===name.indexOf(q[i-1])+1)sc+=0.05;}
return {score:sc,field:field};
}
function matchName(name,q){
var r=matchField(name,q,'name');if(r&&!isCmdName(name))r.score*=0.8;
if(!r||r.score<=0)return null;return r;
}
function matchScore(c,q){var s=matchName(c.name,q),a=c.abbr?matchField(c.abbr,q,'abbr'):null;if(a)a.score*=0.7;
if(s&&a)return a.score>s.score?a:s;return s||a||null}
function fuzzyMatch(pool,q){
if(!q)return{type:'none'};
var hits=[];for(var i=0;i<pool.length;i++){var m=matchScore(pool[i],q);if(m)hits.push({c:pool[i],m:m})}
if(!hits.length)return{type:'none'};
hits.sort(function(a,b){return b.m.score-a.m.score});
var best=hits[0];
if(best.m.score<0.25)return{type:'none'};
if(hits.length>1&&hits[1].m.score>best.m.score*0.8)return{type:'amb',items:hits.slice(0,4)};
return{type:'hit',c:best.c,m:best.m};
}
function looksLikeUrl(s){
if(/^(https?:\/\/|ftp:\/\/|www\.)/i.test(s))return true;
if(/^[\w-]+(\.[\w-]+)+/.test(s)&&/\.(com|org|net|io|cn|gov|edu|me|tv|xyz|app|dev|co)$/i.test(s))return true;
if(/^\d{1,3}(\.\d{1,3}){3}(:\d+)?$/.test(s))return true;
return /^localhost(:\d+)?(\/.*)?$/.test(s);
}
function normUrl(u){return /^(https?:\/\/|ftp:\/\/|file:\/\/|data:|about:|javascript:)/i.test(u)?u:'https://'+u}
var sel=null;
function closeSel(){if(sel){var p=sel.parentNode;if(p)p.removeChild(sel);sel=null}}
function openSel(items,onpick){
closeSel();sel=document.createElement('div');
sel.style.cssText='position:fixed;bottom:52px;left:16px;right:16px;background:#111;border:1px solid #1a4a1a;z-index:200;font-size:13px;max-height:60%;overflow:auto;box-shadow:0 -4px 20px rgba(0,0,0,.6)';
sel._items=items;sel._idx=-1;sel._onpick=onpick;sel._mode='sel';
items.forEach(function(it){
var el=document.createElement('div');el.style.padding='3px 12px';el.style.color='#0a0';el.textContent=it.name;
if(it.field==='name')el.textContent+=' ('+(it.c.abbr?'缩写 '+it.c.abbr:'')+')';
else if(it.field==='abbr')el.textContent+=' ('+it.c.name+' 缩写)';
if(it.c.url)el.textContent+=' -> '+it.c.url;
el.dataset.idx=String(el._i=items.indexOf(it));
el.addEventListener('click',function(){var i=parseInt(this.dataset.idx,10);closeSel();sel=null;onpick(i)});
sel.appendChild(el);
});
document.body.appendChild(sel);
document.addEventListener('keydown',selKey,true);
selNav(0);
var inp=document.getElementById('cmd');if(inp&&document.activeElement!==inp)inp.focus();
}
function selNav(d){
var n=sel._items.length;
sel._idx=Math.max(0,Math.min(n-1,sel._idx+d));
var els=sel.children;
for(var i=0;i<n;i++)els[i].style.background=sel._idx===i?'#0d2a0d':'transparent';
if(sel._idx>=0&&els[sel._idx])els[sel._idx].scrollIntoView({block:'nearest'});
}
function selKey(e){
if(!sel)return;
if(e.key==='ArrowUp'){e.preventDefault();e.stopPropagation();selNav(-1)}
else if(e.key==='ArrowDown'){e.preventDefault();e.stopPropagation();selNav(1)}
else if(e.key==='Enter'){
if(sel._mode!=='prompt'){
e.preventDefault();e.stopPropagation();
var fn=sel._onpick,idx=sel._idx>=0?sel._idx:0;
closeSel();fn(idx);
}
}else if(e.key==='Escape'){
e.preventDefault();e.stopPropagation();closeSel();sel=null;
var inp=document.getElementById('cmd');if(inp)inp.focus();
}else if(sel._mode==='sel'&&e.key>='1'&&e.key<='9'){
var idx=parseInt(e.key,10)-1;
if(idx<sel._items.length){e.preventDefault();e.stopPropagation();var fn=sel._onpick;closeSel();fn(idx)}
}
}
function fuzzyOpen(query){
return mergedBookmarks().then(function(bm){
return bm.map(function(x){return{name:x.name,url:x.url,abbr:x.abbr}});
}).then(function(pool){
return fuzzyMatch(pool,query);
});
}
function fuzzyDefault(query){
var pool=[];var cmds=['help','clear','history','open','search','find','search-engine','links','calc','calendar','ls','cd','cat','pwd','echo','write','mkdir','rm','mv','rename','time','date','datetime','ver','terminal','ipconfig','tasklist','sysmon','sw-update','reset','theme','fontsize','opacity','sysinfo','neofetch','bookmark','alias','createapp','run','edit','delapp','apps','export','import','exit'];
for(var i=0;i<cmds.length;i++)pool.push({name:cmds[i]});
return mergedBookmarks().then(function(bm){for(var i=0;i<bm.length;i++)pool.push({name:bm[i].name,url:bm[i].url,abbr:bm[i].abbr});
return dbAll('apps').then(function(ap){for(var i=0;i<ap.length;i++)pool.push({name:ap[i].name,isapp:true});return fuzzyMatch(pool,query)});
});
}
function fuzzyDispatch(mode,query,rest,allowExec){
var p=mode==='open'?fuzzyOpen(query):fuzzyDefault(query);
return p.then(function(res){
function complete(it){
var inp=document.getElementById('cmd');
if(mode==='open')inp.value='open '+it.name+' ';
else inp.value=it.name+(it.url||it.isapp?'':' ');
inp.focus();
}
function act(it){
var h=(it.field==='abbr')?'匹配缩写「'+(it.abbr||'')+'」':'';
if(it.url){print('打开 '+it.name+(h?' '+h:''),'info');window.open(normUrl(it.url),'_blank')}
else if(it.isapp)dbGet('apps',it.name).then(function(a){if(a)runApp(it.name,'html',a.content)});
else if(mode!=='open'){print('执行: '+it.name,'info');executeCommand(it.name)}
else print('无匹配: '+query,'warn');
}
if(res.type==='none'){
if(mode==='open'&&looksLikeUrl(query)){window.open(normUrl(query),'_blank');return}
print('无匹配: '+query,'warn');return;
}
if(res.type==='hit'){
var it={name:res.c.name,url:res.c.url,abbr:res.c.abbr,isapp:res.c.isapp,field:res.m.field};
if(!allowExec){complete(it);return}
act(it);return;
}
var items=res.items.map(function(h){return{name:h.c.name,url:h.c.url,abbr:h.c.abbr,isapp:h.c.isapp,field:h.m.field,c:h.c}});
print('存在多个可能的匹配，请选择:','info');
openSel(items,function(i){
var it=items[i];
if(!allowExec){complete(it);return}
act(it);
});
});
}
/* Prompt mode */
var _prompt=false,_promptResolve=null,_promptHint='';
function enterPrompt(hint){
_prompt=true;_promptHint=hint||'';
document.getElementById('prompt').textContent=(hint||'> ')+' ';
var inp=document.getElementById('cmd');inp.value='';inp.focus();
}
function exitPrompt(v){
_prompt=false;document.getElementById('prompt').textContent=(cwd==='/'?'~':cwd)+' $ ';
if(_promptResolve){var r=_promptResolve;_promptResolve=null;r(v)}
}
/* 可扩展搜索:find 来源注册表 */
function fillCmd(s){var el=document.getElementById('cmd');el.value=s==null?'':s;el.focus()}
var findSources=[
{
key:'fs',label:'文件系统',
search:async function(term){
var t=term.toLowerCase(),list=await dbAll('files'),out=[];
for(var i=0;i<list.length;i++){
var f=list[i];
(function(f){
var base=f.path.split('/').filter(Boolean).pop()||f.path;
if((base+' '+f.path).toLowerCase().indexOf(t)>=0){
out.push({name:'[文件系统] '+f.path+(f.type==='dir'?' (目录)':''),action:function(){
if(f.type==='dir'){cwd=f.path;updatePrompt()}
else{FS.read(f.path).then(function(c){print(c)}).catch(function(e){print(e.message,'error')})}
}});
}
})(f);
}
return out;
}
},
{
key:'bookmarks',label:'书签',
search:async function(term){
var t=term.toLowerCase(),bm=await mergedBookmarks(),out=[];
for(var i=0;i<bm.length;i++){
var b=bm[i];
(function(b){
if((b.name.toLowerCase()+' '+(b.url||'').toLowerCase()+' '+(b.abbr||'').toLowerCase()).indexOf(t)>=0){
out.push({name:'[书签] '+b.name+(b.abbr?' (缩写 '+b.abbr+')':'')+' -> '+b.url,action:function(){window.open(normUrl(b.url),'_blank')}});
}
})(b);
}
return out;
}
},
{
key:'apps',label:'应用',
search:async function(term){
var t=term.toLowerCase(),ap=await dbAll('apps'),out=[];
for(var i=0;i<ap.length;i++){
(function(apn,apc){
if(apn.toLowerCase().indexOf(t)>=0){
out.push({name:'[应用] '+apn+' (运行)',action:function(){runApp(apn,'html',apc)}});
}
})(ap[i].name,ap[i].content);
}
return out;
}
},
{
key:'history',label:'命令历史',
search:async function(term){
var t=term.toLowerCase(),out=[];
for(var i=0;i<hist.length;i++){
(function(h){
if(h.toLowerCase().indexOf(t)>=0){
out.push({name:'[历史] $ '+h,action:function(){fillCmd(h)}});
}
})(hist[i]);
}
return out;
}
},
{
key:'alias',label:'别名',
search:async function(term){
var t=term.toLowerCase(),out=[];
for(var k in alias){
(function(k,v){
if((k+' '+v).toLowerCase().indexOf(t)>=0){
out.push({name:'[别名] '+k+" = '"+v+"'",action:function(){fillCmd(v)}});
}
})(k,alias[k]);
}
return out;
}
}
];
/* Command engine */
var cwd='/',hist=[],hi=0,alias={};
function print(t,c){var o=document.getElementById('output'),d=document.createElement('div');d.className='line '+(c||'output');d.textContent=t;o.appendChild(d);o.scrollTop=o.scrollHeight}
function showAppWindow(title,content){
var w=document.createElement('div');w.className='app-window';
w.innerHTML='<div class="app-bar"><span class="app-title">'+title+'</span><span class="app-close">×</span></div><div class="app-content">'+content+'</div>';
document.body.appendChild(w);
var bar=w.querySelector('.app-bar'),close=w.querySelector('.app-close');
close.onclick=function(){w.remove()};
var ox,oy,drg=false;
bar.addEventListener('mousedown',function(e){drg=true;ox=e.clientX-w.offsetLeft;oy=e.clientY-w.offsetTop});
document.addEventListener('mousemove',function(e){if(drg){w.style.left=(e.clientX-ox)+'px';w.style.top=(e.clientY-oy)+'px';w.style.transform='none'}});
document.addEventListener('mouseup',function(){drg=false});
document.addEventListener('keydown',function f(e){if(e.key==='Escape'&&document.body.contains(w)){w.remove();document.removeEventListener('keydown',f)}});
}
async function runCodeEditor(name,code){
var w=document.createElement('div');w.className='app-window';w.style.width='600px';w.style.height='400px';
w.innerHTML='<div class="app-bar"><span class="app-title">'+name+'</span><span class="app-close">×</span></div><div class="app-content"><div class="editor-wrapper"><textarea spellcheck="false"></textarea><pre></pre></div></div>';
document.body.appendChild(w);
var bar=w.querySelector('.app-bar'),close=w.querySelector('.app-close'),ta=w.querySelector('textarea'),pre=w.querySelector('pre');
ta.value=code||'';
var sync=function(){var h=ta.value;h=h.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');h=h.replace(/\/\/.*/g,function(m){return'<span class="hl-c">'+m+'</span>'});h=h.replace(/"([^"\\]|\\.)*"|'([^'\\]|\\.)*'/g,function(m){return'<span class="hl-s">'+m+'</span>'});h=h.replace(/\b(const|let|var|function|if|else|for|while|return|import|export|class|new|async|await|try|catch|throw)\b/g,function(m){return'<span class="hl-k">'+m+'</span>'});h=h.replace(/\b(\d+\.?\d*)\b/g,function(m){return'<span class="hl-n">'+m+'</span>'});h=h.replace(/\b(document|console|window|Math|JSON|fetch|localStorage|setTimeout|setInterval)\b/g,function(m){return'<span class="hl-f">'+m+'</span>'});pre.innerHTML=h+'\n'};
ta.addEventListener('input',sync);sync();
close.onclick=function(){w.remove()};
var sv=document.createElement('span');sv.textContent='[保存]';sv.style.cssText='color:#0f0;cursor:pointer;font-size:13px;margin-right:12px';
sv.onclick=async function(){await dbPut('apps',{name:name,content:ta.value});print('应用 "'+name+'" 已保存');w.remove();document.getElementById('cmd').focus()};
bar.querySelector('.app-title').after(sv);
ta.focus();
var ox,oy,drg=false;
bar.addEventListener('mousedown',function(e){drg=true;ox=e.clientX-w.offsetLeft;oy=e.clientY-w.offsetTop});
document.addEventListener('mousemove',function(e){if(drg){w.style.left=(e.clientX-ox)+'px';w.style.top=(e.clientY-oy)+'px';w.style.transform='none'}});
document.addEventListener('mouseup',function(){drg=false});
document.addEventListener('keydown',function f(e){if(e.key==='Escape'&&document.body.contains(w)){w.remove();document.removeEventListener('keydown',f)}});
}
async function runApp(name,type,content){
var w=document.createElement('div');w.className='app-window';
if(type==='url')w.innerHTML='<div class="app-bar"><span class="app-title">'+name+'</span><span class="app-close">×</span></div><div class="app-content"><iframe src="'+content+'"></iframe></div>';
else w.innerHTML='<div class="app-bar"><span class="app-title">'+name+'</span><span class="app-close">×</span></div><div class="app-content"><iframe srcdoc="'+content.replace(/"/g,'"')+'"></iframe></div>';
document.body.appendChild(w);
var bar=w.querySelector('.app-bar'),close=w.querySelector('.app-close');
close.onclick=function(){w.remove()};
var ox,oy,drg=false;
bar.addEventListener('mousedown',function(e){drg=true;ox=e.clientX-w.offsetLeft;oy=e.clientY-w.offsetTop});
document.addEventListener('mousemove',function(e){if(drg){w.style.left=(e.clientX-ox)+'px';w.style.top=(e.clientY-oy)+'px';w.style.transform='none'}});
document.addEventListener('mouseup',function(){drg=false});
document.addEventListener('keydown',function f(e){if(e.key==='Escape'&&document.body.contains(w)){w.remove();document.removeEventListener('keydown',f)}});
}
var termAPI={
print:function(t){print(t)},
open:function(u){window.open(u,'_blank')},
search:function(q){window.open(config.searchEngine+encodeURIComponent(q),'_blank')},
getConfig:function(){return config},
getCWD:function(){return cwd},
getTime:function(){return new Date().toLocaleTimeString()},
runCommand:async function(cmd){return await executeCommand(cmd)}
};
async function executeCommand(input){
if(!input.trim())return;
hist.push(input);hi=hist.length;
var args=input.trim().split(/\s+/);
if(!args.length)return;
var cmd=args[0],rest=args.slice(1);
if(alias[cmd])return executeCommand(alias[cmd]+(rest.length?' '+rest.join(' '):''));
switch(cmd){
case 'help':
print('可用命令：');
print(' help - 显示此帮助');
print(' clear - 清屏');
print(' history - 命令历史');
print(' ls - 列出文件');
print(' cd <dir> - 切换目录');
print(' cat <file> - 查看文件');
print(' pwd - 当前路径');
print(' echo <text> - 输出文字');
print(' write <f> <c> - 写入文件');
print(' mkdir <dir> - 创建目录');
print(' rm [-r] <p> - 删除文件/目录(-r 递归)');
print(' mv <src> <dst> - 移动/重命名（书签区自动整理）');
print(' rename <p> <new> - 重命名（同一目录）');
print(' time - 当前时间');
print(' theme <name> - 切换主题');
print(' fontsize <n> - 设置字号');
print(' opacity <n> - 设置透明度');
print(' sysinfo - 系统信息');
print(' neofetch - ASCII 系统信息');
print(' date - 当前日期');
print(' datetime - 日期和时间');
print(' ver - 系统版本');
print(' ipconfig - 网络信息');
print(' tasklist - 任务列表');
print(' sysmon - 性能监控仪表盘');
print(' search <q> - 搜索');
print(' find <关键词> - 搜索文件/书签/应用/历史/别名');
print(' search-engine - 切换搜索引擎');
print(' open <名称/URL> - 打开链接(支持模糊匹配)');
print(' links - 快捷链接');
print(' bookmark - 书签管理 add/list/del/restore');
print(' terminal - 打开新终端');
print(' sw-update - 更新缓存');
print(' reset - 重置')
print(' calc - 计算器');
print(' calendar - 日历');
print(' alias - 命令别名');
print(' createapp - 创建应用');
print(' run <app> - 运行应用');
print(' edit <app> - 编辑应用');
print(' delapp <app> - 删除应用');
print(' apps - 列出应用');
print(' export - 导出备份');
print(' import - 导入备份');
print(' exit - 关闭');
break;
case 'clear':document.getElementById('output').innerHTML='';break;
case 'history':for(var i=0;i<hist.length;i++)print((i+1)+' '+hist[i]);break;
case 'ls':
try{var f=await FS.ls(rest[0]||cwd);print(f.join(' ')||'(空)')}catch(e){print(e.message,'error')}
break;
case 'cd':
if(!rest[0]){cwd='/';break}
if(rest[0]==='..'){var a=cwd.replace(/\/$/,'').split('/').filter(Boolean);a.pop();cwd='/'+a.join('/');break}
if(rest[0]==='~'){cwd='/';break}
var np=rest[0].startsWith('/')?rest[0]:cwd.replace(/\/$/,'')+'/'+rest[0];
np=np.replace(/\/+/g,'/').replace(/\/$/,'')||'/';
var e=await FS.stat(np);
if(!e||e.type!=='dir'){print('cd: '+rest[0]+': 不是目录','error');break}
cwd=np;
break;
case 'cat':
try{print(await FS.read((rest[0].startsWith('/')?rest[0]:cwd.replace(/\/$/,'')+'/'+rest[0]).replace(/\/+/g,'/').replace(/\/$/,'')))}catch(e){print(e.message,'error')}
break;
case 'pwd':print(cwd);break;
case 'echo':print(rest.join(' '));break;
case 'write':
if(rest.length<2){print('用法: write <file> <content>','error');break}
try{await FS.write((rest[0].startsWith('/')?rest[0]:cwd.replace(/\/$/,'')+'/'+rest[0]).replace(/\/+/g,'/').replace(/\/$/,''),rest.slice(1).join(' '));print('已写入')}catch(e){print(e.message,'error')}
break;
case 'mkdir':
try{await FS.mkdir((rest[0].startsWith('/')?rest[0]:cwd.replace(/\/$/,'')+'/'+rest[0]).replace(/\/+/g,'/').replace(/\/$/,''));print('已创建')}catch(e){print(e.message,'error')}
break;
case 'mv':{
if(rest.length<2){print('用法: mv <源> <目标>','error');break}
var mvSrc=(rest[0].startsWith('/')?rest[0]:cwd.replace(/\/$/,'')+'/'+rest[0]).replace(/\/+/g,'/').replace(/\/$/,'');
var mvDst=(rest[1].startsWith('/')?rest[1]:cwd.replace(/\/$/,'')+'/'+rest[1]).replace(/\/+/g,'/').replace(/\/$/,'');
try{
var mvIsBmSrc=mvSrc.indexOf('/bookmarks/')===0||mvSrc==='/bookmarks';
var mvIsBmDst=mvDst.indexOf('/bookmarks/')===0||mvDst==='/bookmarks';
if(mvSrc==='/bookmarks'||mvDst==='/bookmarks'){print('书籍签根目录 /bookmarks 不可移动','error');break}
var mvName=mvSrc.split('/').filter(Boolean).pop();
if(mvName&&builtinLinks.some(function(b){return b.protected&&b.name===mvName})){print('内置书签受保护，不能移动','error');break}
var mvp=mvIsBmSrc?await getBookmarks():[];var preserved=[];
for(var mp=0;mp<mvp.length;mp++)preserved.push(Object.assign({},mvp[mp]));
var mvOldName=mvIsBmSrc?mvSrc.split('/').filter(Boolean).pop():null;
var mvOldCat=mvIsBmSrc?mvSrc.replace(/^\/bookmarks\/?/,'').split('/').filter(Boolean).slice(0,-1).join('/'):'';
var mvFinal=await FS.move(mvSrc,mvDst);
var mvIsBmFinal=mvFinal.indexOf('/bookmarks/')===0;
var movedFrom=null;
if(mvIsBmSrc&&mvIsBmFinal){
var fName=mvFinal.split('/').filter(Boolean).pop();
var fCat=mvFinal.replace(/^\/bookmarks\/?/,'').split('/').filter(Boolean).slice(0,-1).join('/');
if(fName!==mvOldName||fCat!==mvOldCat)movedFrom={oldName:mvOldName,oldCat:mvOldCat,newName:fName,newCat:fCat};
}else if(!mvIsBmSrc&&mvIsBmFinal){
movedFrom=null;
}
if(mvIsBmSrc||mvIsBmFinal){
if(mvIsBmSrc&&!mvIsBmFinal)print('已移出书签区','info');
else if(!mvIsBmSrc&&mvIsBmFinal)print('已加入书签区','info');
await syncBmFromTree(preserved,movedFrom);
}
print('已移动');
}catch(e){print(e.message,'error')}
break;
}
case 'rename':{
if(rest.length<2||rest[1].indexOf('/')>=0){print('用法: rename <路径> <新名>','error');break}
var rnSrc=(rest[0].startsWith('/')?rest[0]:cwd.replace(/\/$/,'')+'/'+rest[0]).replace(/\/+/g,'/').replace(/\/$/,'');
var rnDst=rnSrc.substring(0,rnSrc.lastIndexOf('/'))+'/'+rest[1];
try{
var rnIsBm=rnSrc.indexOf('/bookmarks/')===0||rnSrc==='/bookmarks';
if(rnSrc==='/bookmarks'){print('书籍签根目录 /bookmarks 不可重命名','error');break}
if(rnIsBm){if(builtinLinks.some(function(b){return b.protected&&b.name===rest[1]})){print('内置书签名受保护','error');break}}
var rnp=rnIsBm?await getBookmarks():[];var preserved=[];for(var rn=0;rn<rnp.length;rn++)preserved.push(Object.assign({},rnp[rn]));
var movedFrom=null;
if(rnIsBm){var oldN=rnSrc.split('/').filter(Boolean).pop();movedFrom={oldName:oldN,oldCat:rnSrc.indexOf('/bookmarks/')===0?rnSrc.replace('/bookmarks','').split('/').filter(Boolean).slice(0,-1).join('/'):'',newName:rest[1],newCat:rnDst.indexOf('/bookmarks/')===0?rnDst.replace('/bookmarks','').split('/').filter(Boolean).slice(0,-1).join('/'):''}}
await FS.move(rnSrc,rnDst);
if(rnIsBm||rnDst.indexOf('/bookmarks/')===0){
if(rnIsBm&&rnDst.indexOf('/bookmarks/')!==0)print('已移出书签区','info');
else if(!rnIsBm&&rnDst.indexOf('/bookmarks/')===0)print('已加入书签区','info');
await syncBmFromTree(preserved,movedFrom);
}
print('已重命名');
}catch(e){print(e.message,'error')}
break;
}
case 'rm':
var rmRec=rest[0]==='-r'||rest[0]==='--recursive';
var rmT=rmRec?rest[1]:rest[0];
if(!rmT){print('用法: rm [-r] <路径>','error');break}
var rmP=(rmT.startsWith('/')?rmT:cwd.replace(/\/$/,'')+'/'+rmT).replace(/\/+/g,'/').replace(/\/$/,'');
try{
if(rmRec)await FS.rmtree(rmP);
else await FS.rm(rmP);
if(rmP.indexOf('/bookmarks/')===0)await syncBmFromTree();
print('已删除')
}catch(e){print(e.message,'error')}
break;
case 'time':print(new Date().toLocaleString());break;
case 'theme':
if(!rest[0]||!themes[rest[0]]){print('主题: '+Object.keys(themes).join(', '));break}
config.theme=rest[0];applyConfig();await saveConfig();print('主题已切换');
break;
case 'fontsize':
var s=parseInt(rest[0]);if(!s||s<6||s>48){print('字号: 6-48');break}
config.fontsize=s;applyConfig();await saveConfig();print('字号已设置');
break;
case 'opacity':
var o=parseFloat(rest[0]);if(isNaN(o)||o<0.1||o>1){print('透明度: 0.1-1.0');break}
config.opacity=o;applyConfig();await saveConfig();print('透明度已设置');
break;
case 'sysinfo':
var u2=navigator.userAgent.toLowerCase();
var os2='未知';
if(/iphone|ipad|ipod/.test(u2))os2='iOS';
else if(u2.includes('android'))os2='Android';
else if(u2.includes('mac os')||u2.includes('macintosh'))os2='macOS';
else if(u2.includes('windows'))os2='Windows';
else if(u2.includes('cros'))os2='ChromeOS';
else if(u2.includes('linux'))os2='Linux';
var tp=navigator.maxTouchPoints||0;
var dev=tp>0?(screen.width<768?'手机':(screen.width<1200?'平板':'桌面')):'桌面';
var g2='?';try{var gc=document.createElement('canvas');var gg=gc.getContext('webgl')||gc.getContext('experimental-webgl');if(gg){var gd=gg.getExtension('WEBGL_debug_renderer_info');if(gd)g2=gg.getParameter(gd.UNMASKED_RENDERER_WEBGL)}}catch(e){}
var tz2='';try{tz2=Intl.DateTimeFormat().resolvedOptions().timeZone}catch(e){}
var net2=navigator.connection?navigator.connection.effectiveType:'?';
var mem2=navigator.deviceMemory||'?';
var cpu2=navigator.hardwareConcurrency||'?';
var dm2=window.matchMedia('(prefers-color-scheme:dark)').matches?'是':'否';
var cd2=screen.colorDepth;
var dnt2=navigator.doNotTrack==='1'||navigator.doNotTrack==='yes'?'是':'否';
var ck2=navigator.cookieEnabled?'是':'否';
var bat2='?';try{if('getBattery'in navigator){var _b=await navigator.getBattery();bat2=(_b.level*100).toFixed(0)+'%'+(_b.charging?' 充电中':'')}}catch(e){}
var ref2=document.referrer||'直接打开';
var t2='';try{t2=navigator.languages?Array.from(navigator.languages).join(', '):navigator.language}catch(e){}
print('┌─ 系统信息 ─────────────────────────────┐');
print('│ 浏览器: '+(navigator.userAgent.match(/(Chrome|Firefox|Safari|Edge)\/\d+/)?.[0]||'未知'));
print('│ 操作系统: '+os2);
print('│ 设备类型: '+dev+' · 触控: '+tp+'点');
print('│ 时区: '+(tz2||'未知'));
print('│ 语言: '+t2);
print('│ 分辨率: '+screen.width+'x'+screen.height+' @'+(window.devicePixelRatio||1)+'x');
print('│ 色深: '+cd2+'bit');
print('│ 深色模式: '+dm2+' · Cookie: '+ck2+' · DNT: '+dnt2);
print('│ 网络: '+net2+' · 内存: '+mem2+'GB · 核心: '+cpu2);
print('│ GPU: '+g2);
print('│ 电池: '+bat2);
print('│ 来源: '+ref2);
print('└────────────────────────────────────────┘');
break;
case 'neofetch':
var _u=navigator.userAgent.toLowerCase();
var _os='未知';
if(/iphone|ipad|ipod/.test(_u))_os='iOS';
else if(_u.includes('android'))_os='Android';
else if(_u.includes('mac os')||_u.includes('macintosh'))_os='macOS';
else if(_u.includes('windows'))_os='Windows';
else if(_u.includes('cros'))_os='ChromeOS';
else if(_u.includes('linux'))_os='Linux';
var _tp=navigator.maxTouchPoints||0;
var _dev=_tp>0?(screen.width<768?'Phone':(screen.width<1200?'Tablet':'Desktop')):'Desktop';
var _br=(navigator.userAgent.match(/(Chrome|Firefox|Safari|Edge)\/\d+/)?.[0]||'?');
var _tz='';try{_tz=Intl.DateTimeFormat().resolvedOptions().timeZone}catch(e){}
var _mem=navigator.deviceMemory||'?';
var _cpu=navigator.hardwareConcurrency||'?';
var _dm=window.matchMedia('(prefers-color-scheme:dark)').matches?'Dark':'Light';
var _net=navigator.connection?navigator.connection.effectiveType:'?';
print(' .--. '+_br);
print(' |o_o | OS: '+_os);
print(' |:_/ | Device: '+_dev+' ('+_tp+' touch)');
print(' // \\ \\ Host: '+(navigator.platform||'?'));
print(' (| | ) Kernel: '+(navigator.userAgent.match(/\(([^)]+)\)/)?.[1]||'?'));
print(" /'\\_ _/`\\ Uptime: "+Math.floor(performance.now()/60000)+'min');
print(' \\___)=(___/ Shell: cmd');
print(' Resolution: '+screen.width+'x'+screen.height+' @'+(window.devicePixelRatio||1)+'x');
print(' DE: '+_dm+' | TZ: '+(_tz||'?'));
print(' CPU: '+_cpu+' cores | MEM: '+_mem+'GB');
print(' Net: '+_net);
print(' Lang: '+(navigator.language||'?'));
break;
case 'bookmark':
if(!rest[0]){print('用法: bookmark add|list|del|restore','info');break}
if(rest[0]==='list'){
var bms=await mergedBookmarks();
if(bms.length===0){print('暂无书签','info');break}
print('书签:');
var tree={}; // cat(空=根) -> 项目列表
for(var ti=0;ti<bms.length;ti++){var it={ord:ti+1,b:bms[ti]};var c=it.b.cat||'';(tree[c]=tree[c]||[]).push(it)}
var cats=Object.keys(tree).sort(function(a,b){if(a===b)return 0;if(!a)return 1;if(!b)return-1;return a<b?-1:1});
for(var ci=0;ci<cats.length;ci++){
var c=cats[ci],items=tree[c];
if(c)print(c+'/:');
for(var k=0;k<items.length;k++){
var m=items[k];
print(' '+m.ord+'. '+m.b.name+(m.b.abbr?' (缩写 '+m.b.abbr+')':'')+' -> '+m.b.url);
}
}
break;
}
if(rest[0]==='add'){
if(rest.length<3){print('用法: bookmark add <name> <url> [缩写]','error');break}
var ab_in=rest.length>=4?rest[3]:null;
if(ab_in){if(await bookmarkAdd(rest[1],rest[2],ab_in))print('已添加');break}
var pv=new Promise(function(res){_promptResolve=res});
enterPrompt('拼音缩写: ');
var _pv=pv;
_pv.then(function(v){
if(v===null)return;
bookmarkAdd(rest[1],rest[2],v).then(function(ok){if(ok)print('已添加')});
});
break;
}
if(rest[0]==='del'){
var bms=await mergedBookmarks();
var idx=parseInt(rest[1])-1;if(isNaN(idx)||idx<0||idx>=bms.length){print('无效序号','error');break}
var t=bms[idx],reject=false;
for(var i=0;i<builtinLinks.length;i++){if(builtinLinks[i].protected&&builtinLinks[i].name===t.name){print('内置书签 "'+t.name+'" 受保护，不能删除','error');reject=true;break}}
if(reject)break;
var isbuilt=false;
for(var i=0;i<builtinLinks.length;i++){if(builtinLinks[i].name===t.name){isbuilt=true;break}}
if(isbuilt){
var d=await getDeletedLinks();if(d.indexOf(t.name)<0)d.push(t.name);await saveDeletedLinks(d);
await saveBookmarks((await getBookmarks()).filter(function(b){return b.name!==t.name}));
print('已删除内置书签（可用 bookmark restore 恢复）');
}else{
await bmUnmaterialize(t);
await saveBookmarks((await getBookmarks()).filter(function(b){return b.name!==t.name}));print('已删除');
}
break;
}
if(rest[0]==='restore'){
var d=await getDeletedLinks();
if(!d.length){print('没有可恢复的内置书签','info');break}
var dels=d.filter(function(n){var b=false;for(var i=0;i<builtinLinks.length;i++)if(builtinLinks[i].name===n){b=true;break}return b});
if(!dels.length){print('没有可恢复的内置书签','info');break}
var items=dels.map(function(n){var l=null;for(var i=0;i<builtinLinks.length;i++)if(builtinLinks[i].name===n)l=builtinLinks[i];return{name:n,url:l?l.url:'',field:'name',c:{name:n,url:l?l.url:'',abbr:l?l.abbr:''}}});
print('可恢复的内置书签:','info');
openSel(items,function(i){
var it=items[i];
bookmarkRestore(it.name).then(function(ok){if(ok){print('已恢复: '+it.name,'info');print('提示: 内置书签始终保留在最前','info')}});
});
break;
}
break;
case 'open':
if(!rest[0]){print('用法: open <名称/缩写/URL>','error');break}
var bm2=await bookmarkFind(rest[0]);
if(bm2){print('打开 '+bm2.name,'info');window.open(normUrl(bm2.url),'_blank');break}
if(looksLikeUrl(rest[0])){window.open(normUrl(rest[0]),'_blank');break}
await fuzzyDispatch('open',rest[0],rest,true);
break;
case 'search':window.open(config.searchEngine+encodeURIComponent(rest.join(' ')),'_blank');break;
case 'find':{
if(!rest[0]){print('用法: find <关键词>','error');break}
var term=rest[0].toLowerCase(),all=[];
srcloop:for(var s=0;s<findSources.length;s++){
var src=findSources[s];if(src.enabled===false)continue;
var res=await src.search(term);
var n=Math.min(res.length,20);
for(var r=0;r<n;r++){all.push(res[r]);if(all.length>=60)break srcloop}
}
if(!all.length){print('未在 文件/书签/应用/历史/别名 中找到: '+rest[0],'warn');break}
var fitems=all.map(function(it){return{name:it.name,c:{}}});
print('找到 '+all.length+' 项,按数字/Enter 选择:','info');
openSel(fitems,function(i){all[i].action()});
break;
}
case 'search-engine':
if(!rest[0]){print('当前: '+config.searchEngine+'\n预设: '+Object.keys(searchEngines).join(', '));break}
var se=searchEngines[rest[0]];
if(se)config.searchEngine=se;else config.searchEngine=rest[0];
await saveConfig();print('搜索引擎已切换');
break;
case 'links':
var bm3=await mergedBookmarks();
print('快捷链接:');
for(var i=0;i<bm3.length;i++)print((i+1)+'. '+bm3[i].name+' -> '+bm3[i].url+(bm3[i].abbr?' (缩写 '+bm3[i].abbr+')':''));
break;
case 'calc':
var cw=document.createElement('div');cw.className='app-window';cw.tabIndex=-1;cw.style.outline='none';cw.style.width='360px';cw.style.height='auto';cw.style.minHeight='250px';
cw.innerHTML='<div class="app-bar" style="cursor:default"><span class="app-title">计算器</span><span class="app-close">×</span></div><div class="app-content" style="display:flex;align-items:center;justify-content:center;padding:20px"><input readonly style="width:100%;padding:15px;background:#0a0a0a;color:#0f0;border:1px solid #1a3a1a;text-align:right;font-size:28px;font-family:inherit;outline:none" id="calc_d" value="0"></div>';
document.body.appendChild(cw);
var cd=document.getElementById('calc_d');
var ck=function(e){
var k=e.key;
if(k>='0'&&k<='9'||k==='+'||k==='-'||k==='*'||k==='/'||k==='.'){if(cd.value==='0'&&k!=='.')cd.value='';cd.value+=k;e.preventDefault()}
else if(k==='Enter'||k==='='){try{cd.value=String(eval(cd.value))}catch(ex){cd.value='Error'};e.preventDefault()}
else if(k==='Backspace'){cd.value=cd.value.slice(0,-1)||'0';e.preventDefault()}
else if(k==='Escape'){cw.remove();document.getElementById('cmd').focus();e.preventDefault()}
else if(k==='c'||k==='C'){cd.value='0';e.preventDefault()}
};
cw.addEventListener('keydown',ck);
setTimeout(function(){cw.focus()},100);
var bar=cw.querySelector('.app-bar'),close=cw.querySelector('.app-close');
close.onclick=function(){cw.remove();document.getElementById('cmd').focus()};
var ox,oy,drg=false;
bar.addEventListener('mousedown',function(e){drg=true;ox=e.clientX-cw.offsetLeft;oy=e.clientY-cw.offsetTop});
document.addEventListener('mousemove',function(e){if(drg){cw.style.left=(e.clientX-ox)+'px';cw.style.top=(e.clientY-oy)+'px';cw.style.transform='none'}});
document.addEventListener('mouseup',function(){drg=false});
document.addEventListener('keydown',function f(e){if(e.key==='Escape'&&document.body.contains(cw)){cw.remove();document.removeEventListener('keydown',f);document.getElementById('cmd').focus()}});
break;
case 'calendar':
var n=new Date(),y=n.getFullYear(),m=n.getMonth(),d1=new Date(y,m,1),sd=d1.getDay(),ld=new Date(y,m+1,0).getDate(),td=n.getDate();
var days=['日','一','二','三','四','五','六'];
var html='<div style="text-align:center;margin-bottom:12px;color:#0f0">'+y+'年'+(m+1)+'月</div><table style="width:100%;text-align:center;border-collapse:collapse"><tr>';
for(var i=0;i<7;i++)html+='<td style="padding:4px;color:#555">'+days[i]+'</td>';
html+='</tr><tr>';
for(var i=0;i<sd;i++)html+='<td></td>';
for(var i=1;i<=ld;i++){if((sd+i-1)%7===0)html+='</tr><tr>';html+='<td style="padding:4px'+(i===td?';color:#0f0;font-weight:bold;text-decoration:underline':'')+'">'+i+'</td>'}
html+='</tr></table>';
showAppWindow('日历',html);
break;
case 'sysmon':{
var wx=document.createElement('div');wx.className='app-window';wx.style.width='480px';wx.style.height='370px';wx.style.minWidth='360px';wx.style.minHeight='280px';
wx.innerHTML='<div class="app-bar"><span class="app-title">sysmon · 性能监控</span><span class="app-close">×</span></div><div class="app-content" style="padding:14px 18px;font-size:14px;line-height:1.9;overflow-y:auto"></div>';
document.body.appendChild(wx);
var bx=wx.querySelector('.app-content'),clx=wx.querySelector('.app-close'),barw=wx.querySelector('.app-bar');
var _t0=performance.now(),_prev=_t0,_fl=0,_fn=0,_fc=0,_cpus=[],_cpk=0,_mpk=0,_bt=null,_bh=!!(navigator.getBattery),_tg=0,_raf=0;
var _cores=navigator.hardwareConcurrency||'?';
function _loop(){var n=performance.now(),dt=n-_prev;_prev=n;var id=16.6667;if(dt>id)_fl+=(dt-id)/dt;_fn++;_fc++;_raf=requestAnimationFrame(_loop)}
function _kill(){clearInterval(_tg);cancelAnimationFrame(_raf)}
_raf=requestAnimationFrame(_loop);
if(_bh)navigator.getBattery().then(function(b){_bt=b})['catch'](function(){_bh=false});
function barstr(v){v=Math.max(0,Math.min(1,v));var k=Math.round(v*20);return'█'.repeat(k)+'░'.repeat(20-k)}
function fB(n){if(n>=1048576)return(n/1048576).toFixed(1)+'MB';if(n>=1024)return(n/1024).toFixed(0)+'KB';return n+'B'}
function sp(n){n=Math.max(0,Math.floor(n));return(n<10?'0':'')+n}
function up(){var s=Math.floor((performance.now()-_t0)/1000);return sp(Math.floor(s/3600))+':'+sp(Math.floor(s%3600/60))+':'+sp(s%60)}
function tick(){
var c=_fn?Math.round(_fl/_fn*100):0;_fl=0;_fn=0;
if(c>_cpk)_cpk=c;_cpus.push(c);if(_cpus.length>10)_cpus.shift();
var fps=Math.round(_fc);_fc=0;
var ln=_cpus.map(function(p){return'<span style="color:'+(p>=80?'#f44':p>=50?'#fa0':'#0a0')+'">█</span>'}).join('');
var dv=navigator.deviceMemory||0,hu=0;
if(performance.memory){hu=performance.memory.usedJSHeapSize;if(hu>_mpk)_mpk=hu}
var cn=navigator.connection||null;
var down=cn&&cn.downlink?cn.downlink.toFixed(1):'—',rtt=cn?cn.rtt+'ms':'—',et=cn?cn.effectiveType:'—';
var memSh=dv?hu/(dv*1048576*1024):0;
var bt=_bt?Math.round(_bt.level*100)+'%'+( _bt.charging?' 充电中':''):(_bh?'检测中…':'不支持');
var nbar=cn&&cn.downlink?barstr(cn.downlink/100):'—';
bx.innerHTML=
'<div style="color:#0aa;border-bottom:1px solid #144"><b>CPU 占用</b></div>'+
'<div>'+barstr(c/100)+' <span style="color:#0f0">'+c+'%</span> <span style="color:#fa0">峰值 '+_cpk+'%</span></div>'+
'<div>监听 '+(_cpus.length?ln:'—')+' · 逻辑核心 '+_cores+'</div>'+
'<div style="color:#0aa;border-bottom:1px solid #144;margin-top:8px"><b>内存</b></div>'+
'<div>'+barstr(memSh)+' <span style="color:#0f0">'+(performance.memory?fB(hu):'不支持')+'</span>'+(performance.memory?' <span style="color:#fa0">峰值 '+fB(_mpk)+'</span>':'')+(dv?' / 设备 '+dv+'GB':'')+'</div>'+
'<div style="color:#0aa;border-bottom:1px solid #144;margin-top:8px"><b>网络</b></div>'+
'<div>'+nbar+' <span style="color:#0f0">'+down+' Mbps</span> · 延迟 '+rtt+(cn?' · '+et:'')+'</div>'+
'<div style="color:#0aa;border-bottom:1px solid #144;margin-top:8px"><b>其他</b></div>'+
'<div>帧率 <span style="color:#0f0">'+fps+' fps</span> · 运行 <span style="color:#0f0">'+up()+'</span> · 电池 '+bt+'</div>'+
'<div style="color:#555;margin-top:8px">Esc 关闭 · 标题栏可拖拽</div>';
}
_tg=setInterval(tick,1000);tick();
function _esc(e){if(e.key==='Escape'&&document.body.contains(wx)){_kill();wx.remove();document.removeEventListener('keydown',_esc);document.getElementById('cmd').focus()}}
document.addEventListener('keydown',_esc);
clx.onclick=function(){_kill();wx.remove();document.getElementById('cmd').focus()};
var oxx,oyy,dd=false;
barw.addEventListener('mousedown',function(e){dd=true;oxx=e.clientX-wx.offsetLeft;oyy=e.clientY-wx.offsetTop});
document.addEventListener('mousemove',function(e){if(dd){wx.style.left=(e.clientX-oxx)+'px';wx.style.top=(e.clientY-oyy)+'px';wx.style.transform='none'}});
document.addEventListener('mouseup',function(){dd=false});
break;
}
case 'alias':
if(!rest[0]){for(var k in alias)print(k+"='"+alias[k]+"'");break}
var ma=rest[0].match(/^(\w+)=(.*)$/);if(!ma){print('用法: alias name=command','error');break}
alias[ma[1]]=ma[2];await dbPut('config',{key:'alias',value:alias});break;
case 'createapp':
if(!rest[0]){print('用法: createapp <appname>','error');break}
var an=rest[0],ae=await dbGet('apps',an);
if(ae){print('应用 "'+an+'" 已存在','info');break}
runCodeEditor(an,'<h1>'+an+'</h1>');
break;
case 'apps':
var ap=await dbAll('apps');if(!ap.length){print('暂无自定义应用','info');break}
for(var i=0;i<ap.length;i++)print(' '+ap[i].name);
break;
case 'run':
if(!rest[0]){print('用法: run <appname>','error');break}
var rap=await dbGet('apps',rest[0]);if(!rap){print('应用 "'+rest[0]+'" 不存在','error');break}
var c2=rap.content.replace(/<script>/g,'<script>var terminalAPI={print:function(t){parent.postMessage({type:"termapi",method:"print",data:[t]},"*")},open:function(u){parent.postMessage({type:"termapi",method:"open",data:[u]},"*")},search:function(q){parent.postMessage({type:"termapi",method:"search",data:[q]},"*")}};');
runApp(rest[0],'html',c2);break;
case 'edit':
if(!rest[0]){print('用法: edit <appname>','error');break}
var e2=await dbGet('apps',rest[0]);if(!e2){print('应用 "'+rest[0]+'" 不存在','error');break}
runCodeEditor(rest[0],e2.content);break;
case 'delapp':