'use strict';
const $ = (s) => document.querySelector(s);
const $$ = (s) => [...document.querySelectorAll(s)];
const esc = (s) => String(s ?? '').replace(/[&<>"']/g, c => ({'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;',"'":'&#39;'}[c]));
const kind = (v) => ({home:'家庭',company:'公司',other:'其他'}[v] || '其他');
let state = {cameras:[], assets:[], recorders:[], sites:[], storage:{}, scan:{}}, activePage = 'live', loggedIn = false, setup = false;
let players = [], liveKey = '', spans = [], queryStart = null, queryEnd = null, queryCamera = '', toastTimer;
const pageInfo = {live:['实时画面','从一个空间，看到每一个位置。'],playback:['录像回放','沿着时间，找回需要的画面。'],cameras:['镜头通道','为摄像头的每个镜头配置独立通道。'],objects:['摄像头对象','实体设备、镜头通道与空间，明确关联。'],recorders:['录像机','连接现有录像与各个现场通道。'],sites:['空间档案','地区、场所、楼栋与门牌，清楚关联每一个镜头。'],storage:['录像与存储','让记录持续，也让磁盘留有余地。']};
async function api(path, data) {
  const r = await fetch(path, {method:data === undefined ? 'GET' : 'POST', headers:data === undefined ? {} : {'Content-Type':'application/json'}, body:data === undefined ? undefined : JSON.stringify(data)});
  let result; try { result = await r.json(); } catch { throw Error('服务返回异常，请稍后重试'); }
  if (!r.ok) { if (r.status === 401 && loggedIn) { loggedIn = false; stopPlayers(); auth(); } throw Error(result.error || '操作未完成'); }
  return result;
}
function toast(text) { clearTimeout(toastTimer); $('#toast').textContent = text; $('#toast').hidden = false; toastTimer = setTimeout(() => $('#toast').hidden = true, 4000); }
function siteName(id) { return state.sites.find(s => s.id === id)?.name || '未关联空间'; }
function address(s) { return [s.province,s.city,s.district,s.street,s.community,s.building,s.unit,s.floor,s.door].filter(Boolean).join(' · ') || '地址待完善'; }
function filtered() { return state.cameras.filter(c => !$('#site-filter').value || c.siteId === $('#site-filter').value); }
function setOptions(select, html) { const old = select.value; select.innerHTML = html; if ([...select.options].some(o => o.value === old)) select.value = old; }
function stopPlayers() { players.forEach(p => p.destroy()); players = []; $$('#live-grid video').forEach(v => {v.pause();v.removeAttribute('src');v.load();}); liveKey = ''; }
function showPage(page) {
  if (activePage !== page) stopPlayers();
  activePage = page;
  $$('.page').forEach(el => el.hidden = el.id !== 'page-' + page);
  $$('nav button').forEach(b => b.classList.toggle('active', b.dataset.page === page));
  $('#page-title').textContent = pageInfo[page][0]; $('#page-note').textContent = pageInfo[page][1];
  if (page !== 'playback') resetPlayback();
  render();
  if (page === 'storage') loadAudit();
}
function render() {
  $('#metric-all').textContent = state.assets.length;
  $('#metric-ready').textContent = state.cameras.filter(c=>c.ready).length;
  $('#metric-sites').textContent = state.sites.length;
  $('#metric-used').textContent = state.storage.usedGB == null ? '—' : state.storage.usedGB + ' GB';
  $('#service-status').textContent = state.mediaOnline ? '视频服务已连接' : '视频服务未连接';
  $('#service-status').classList.toggle('off', !state.mediaOnline);
  $('#version').textContent = 'v' + state.version + ' / 数据存于本机';
  const warning = state.storage.paused ? state.storage.reason + '，已暂停录像。' : '';
  $('#banner').textContent = warning; $('#banner').hidden = !warning;
  setOptions($('#site-filter'), '<option value="">全部空间</option>' + state.sites.map(s=>`<option value="${s.id}">${esc(kind(s.kind) + ' · ' + s.name)}</option>`).join(''));
  if (activePage === 'live') renderLive();
  if (activePage === 'cameras') renderCameras();
  if (activePage === 'sites') renderSites();
  if (activePage === 'objects') renderAssets();
  if (activePage === 'recorders') renderRecorders();
  if (activePage === 'playback') {
    setOptions($('#play-camera'), filtered().map(c=>`<option value="${c.id}">${esc(siteName(c.siteId)+' / '+c.name)}</option>`).join(''));
    drawTimeline();
  }
  if (activePage === 'storage') renderStorage();
}
function empty(title, description, button) { return `<div class="empty"><h3>${esc(title)}</h3><p>${esc(description)}</p>${button || ''}</div>`; }
function renderLive() {
  const cameras = filtered(), quality = $('#quality').value;
  const key = JSON.stringify(cameras.map(c=>[c.id,c.name,c.siteId,c.point,c.ready,c.enabled,c.record,c.recordingActive])) + quality;
  if (key === liveKey) return;
  stopPlayers(); liveKey = key;
  $('#live-grid').innerHTML = cameras.length ? cameras.map(c=>`<article class="camera-card"><div class="video-panel"><video data-camera="${c.id}" muted playsinline controls></video><div class="video-empty"><span class="lens">◎</span><span>${c.enabled ? '正在等待画面' : '设备连接已停用'}</span></div><div class="video-error" hidden></div></div><div class="camera-meta"><div><strong>${esc(c.name)}</strong><p>${esc(siteName(c.siteId)+' · '+(c.point || '安装位置待填写'))}</p></div><span class="badge ${c.ready?'':'off'}">${c.recordingActive ? '● 正在录像' : c.ready ? '码流已接通' : c.enabled ? '等待接通' : '已停用'}</span></div><div class="camera-actions"><button class="quiet" data-edit-camera="${c.id}">设备配置</button><button class="quiet" data-play-camera="${c.id}">查看录像</button></div></article>`).join('') : empty('先接入一台摄像头','建立空间档案，再把设备添加到对应位置。','<button data-action="new-camera">＋ 添加摄像头</button>');
  for (const c of cameras.filter(c=>c.enabled)) {
    const video = $(`video[data-camera="${c.id}"]`), panel = video.parentElement;
    const src = `/media/live/cam_${c.id}_${quality}/index.m3u8`;
    const error = text => {const el=panel.querySelector('.video-error');el.textContent=text;el.hidden=false;};
    video.onplaying=()=>{panel.querySelector('.video-empty').hidden=true;panel.querySelector('.video-error').hidden=true;};
    video.onerror=()=>error('浏览器无法解码此码流，请在清晰度中选择“流畅 · 兼容画面”或“高清 · 主码流兼容”。');
    if (window.Hls?.isSupported()) {
      const hls = new Hls({maxBufferLength:10,backBufferLength:5,liveSyncDurationCount:3,manifestLoadingTimeOut:60000,levelLoadingTimeOut:60000,manifestLoadingMaxRetry:2,levelLoadingMaxRetry:2});
      hls.on(Hls.Events.ERROR,(_,data)=>{if(data.fatal){
        const codecError = /codec|bufferAddCodec|manifestIncompatible/i.test(data.details || '');
        error(codecError ? '浏览器不支持当前视频编码，请选择“流畅 · 兼容画面”或“高清 · 主码流兼容”。' : '画面加载失败（'+(data.details || data.type)+'）。点击刷新状态可重试。');
        console.warn('Video playback failed', c.id, data.type, data.details);
        hls.destroy();
      }});
      hls.on(Hls.Events.MANIFEST_PARSED,()=>video.play().catch(()=>{}));
      hls.loadSource(src);hls.attachMedia(video);players.push(hls);
    } else if (video.canPlayType('application/vnd.apple.mpegurl')) {video.src=src;video.play().catch(()=>{});}
    else error('当前浏览器不支持 HLS 播放，请使用较新的浏览器。');
  }
}
function renderCameras() {
  $('#scan-button').disabled=state.scan.running; $('#scan-button').textContent=state.scan.running?'正在探测…':'开始探测';
  $('#scan-result').innerHTML=(state.scan.items||[]).map(s=>`<div class="scan-chip"><span>${esc(s.host)}<small> · RTSP 服务响应</small></span><button data-found="${esc(s.host)}">添加</button></div>`).join('') || (state.scan.at ? '<p class="description">本次没有发现响应 RTSP 554 端口的设备。</p>' : '');
  const cameras=filtered();
  $('#camera-list').innerHTML=cameras.length?`<div class="table-wrap"><table class="device-table"><thead><tr><th>设备 / 位置</th><th>所属空间</th><th>地址</th><th>码流状态</th><th>录像</th><th></th></tr></thead><tbody>${cameras.map(c=>`<tr><td>${esc(c.name)}<small>${esc(c.point||'位置待完善')}</small></td><td>${esc(siteName(c.siteId))}</td><td>${esc(c.host)}:${c.port}</td><td><span class="badge ${c.ready?'':'off'}">${c.ready?'已接通':c.enabled?'未接通':'停用'}</span></td><td>${c.recordingActive?'正在录像':c.record?'已配置，等待写入':'未开启'}</td><td><button class="quiet" data-edit-camera="${c.id}">配置</button></td></tr>`).join('')}</tbody></table></div>`:empty('尚无摄像头','可以先扫描当前局域网，或手动填写设备地址。');
}
function renderSites() {
  const sites=state.sites.filter(s=>!$('#site-filter').value||s.id===$('#site-filter').value);
  $('#site-list').innerHTML=sites.length?sites.map(s=>`<article class="site-card"><div class="site-heading"><span class="badge">${kind(s.kind)}</span><button class="quiet" data-edit-site="${s.id}">编辑档案</button></div><h3>${esc(s.name)}</h3><dl><div><dt>所属</dt><dd>${esc(s.owner||'待填写')}</dd></div><div><dt>地区</dt><dd>${esc([s.province,s.city,s.district,s.street].filter(Boolean).join(' / ')||'待填写')}</dd></div><div><dt>小区 / 园区</dt><dd>${esc(s.community||'待填写')}</dd></div><div><dt>楼栋门牌</dt><dd>${esc([s.building,s.unit,s.floor,s.door].filter(Boolean).join(' / ')||'待填写')}</dd></div><div><dt>摄像头</dt><dd>${state.assets.filter(a=>a.siteId===s.id).length} 台 / ${state.cameras.filter(c=>c.siteId===s.id).length} 个镜头</dd></div><div><dt>详细地址</dt><dd>${esc(s.address||'待填写')}</dd></div></dl></article>`).join(''):empty('建立第一个空间','填写地区、小区、用途、楼栋和门牌，让摄像头有明确的归属。','<button data-action="new-site">＋ 新建空间</button>');
}
function renderStorage() {
  const s=state.storage;
  if (!$('#storage-form').contains(document.activeElement)) for(const k of ['retentionDays','maxGB','reserveGB']) $('#storage-form').elements[k].value=s[k]??'';
  $('#storage-status').innerHTML=[['录像占用',(s.usedGB??'—')+' GB'],['磁盘可用',(s.freeGB??'—')+' GB'],['视频服务',state.mediaOnline?'运行中':'未连接'],['空间保护',s.paused?s.reason:'未触发'],['录像方式','主码流持续录像 / 分段保存'],['系统运行',Math.floor(state.uptime/3600)+' 小时 '+Math.floor(state.uptime%3600/60)+' 分钟']].map(([k,v])=>`<div><dt>${esc(k)}</dt><dd>${esc(v)}</dd></div>`).join('');
}
async function loadAudit() { try {const rows=await api('/api/audit');$('#audit-list').innerHTML=rows.slice(0,8).map(r=>`<div class="audit-item"><small>${new Date(r.at).toLocaleString()}</small>${esc(r.action)} ${esc(r.name)}</div>`).join('')||'<p class="description">尚无操作记录</p>';}catch(e){toast(e.message);} }
async function refresh() {if(!loggedIn)return;try{state=await api('/api/state');render();}catch(e){$('#banner').textContent=e.message;$('#banner').hidden=false;}}
async function auth() {try{const s=await api('/api/session');loggedIn=s.authenticated;setup=s.setupRequired;$('#setup-code-label').hidden=!setup;$('#auth-title').textContent=setup?'建立你的视觉空间':'欢迎回来';$('#auth-note').textContent=setup?'使用部署时生成的初始化码，设置你自己的管理密码。':'输入管理密码，进入视觉工作空间。';if(!loggedIn&&!$('#auth-dialog').open)$('#auth-dialog').showModal();if(loggedIn){$('#auth-dialog').close();await refresh();}}catch(e){toast('无法连接管理服务：'+e.message);}}
function openSite(id) {const f=$('#site-form');f.reset();f.querySelector('.form-error').textContent='';const item=state.sites.find(s=>s.id===id);if(item)for(const [k,v]of Object.entries(item))if(f.elements[k])f.elements[k].value=v;$('#site-dialog').showModal();}
function openCamera(id, host='') {if(!state.assets.length){toast('请先建立摄像头对象，再配置镜头通道');openAsset();return;}if(!state.sites.length){toast('请先建立空间档案，再添加摄像头');openSite();return;}const f=$('#camera-form');f.reset();f.querySelector('.form-error').textContent='';f.elements.assetId.innerHTML=state.assets.map(a=>`<option value="${a.id}">${esc(a.name)}</option>`).join('');f.elements.recorderId.innerHTML='<option value="">请选择录像机</option>'+state.recorders.map(r=>`<option value="${r.id}">${esc(r.name)}</option>`).join('');f.elements.archiveRecorderId.innerHTML='<option value="">尚未绑定</option>'+state.recorders.map(r=>`<option value="${r.id}">${esc(r.name)}</option>`).join('');$('#onvif-result').innerHTML='';f.elements.siteId.innerHTML=state.sites.map(s=>`<option value="${s.id}">${esc(kind(s.kind)+' · '+s.name)}</option>`).join('');const c=state.cameras.find(c=>c.id===id);if(c){for(const [k,v]of Object.entries(c)){const el=f.elements[k];if(!el)continue;if(el.type==='checkbox')el.checked=v;else el.value=v;}}else{f.elements.host.value=host;if($('#site-filter').value)f.elements.siteId.value=$('#site-filter').value;}$('#path-preset').value='custom';if(!c){if(state.recorders.length){f.elements.recorderId.value=state.recorders[0].id;}else{f.elements.sourceKind.value='direct';f.elements.archiveSource.value='local';}}syncEndpoint();$('#camera-dialog').showModal();}
function formValues(f) {return Object.fromEntries(new FormData(f).entries());}
function handleForm(id, endpoint, transform=x=>x, after=()=>{}) {$(`#${id}`).addEventListener('submit',async e=>{e.preventDefault();const f=e.currentTarget,b=f.querySelector('[type=submit]');b.disabled=true;f.querySelector('.form-error').textContent='';try{await api(endpoint,transform(formValues(f),f));f.closest('dialog')?.close();toast('已保存');await refresh();after();}catch(err){f.querySelector('.form-error').textContent=err.message;}finally{b.disabled=false;}});}
handleForm('site-form','/api/sites');
handleForm('camera-form','/api/cameras',(d,f)=>({...d,port:Number(d.port),enabled:f.elements.enabled.checked,record:f.elements.record.checked}));
handleForm('storage-form','/api/storage',d=>Object.fromEntries(Object.entries(d).map(([k,v])=>[k,Number(v)])),loadAudit);
$('#auth-form').addEventListener('submit',async e=>{e.preventDefault();const f=e.currentTarget,b=f.querySelector('button');b.disabled=true;try{await api(setup?'/api/setup':'/api/login',formValues(f));f.reset();f.querySelector('.form-error').textContent='';await auth();}catch(err){f.querySelector('.form-error').textContent=err.message;}finally{b.disabled=false;}});
$('#auth-dialog').addEventListener('cancel',e=>e.preventDefault());
document.addEventListener('click',e=>{const b=e.target.closest('button');if(!b)return;if(b.dataset.page)showPage(b.dataset.page);if(b.dataset.close)$(`#${b.dataset.close}`).close();if(b.dataset.action==='new-camera')openCamera();if(b.dataset.action==='new-asset')openAsset();if(b.dataset.action==='new-recorder')openRecorder();if(b.dataset.editAsset)openAsset(b.dataset.editAsset);if(b.dataset.editRecorder)openRecorder(b.dataset.editRecorder);if(b.dataset.action==='new-site')openSite();if(b.dataset.editSite)openSite(b.dataset.editSite);if(b.dataset.editCamera)openCamera(b.dataset.editCamera);if(b.dataset.found)openCamera(null,b.dataset.found);if(b.dataset.playCamera){showPage('playback');$('#play-camera').value=b.dataset.playCamera;$('#archive-source').value=state.cameras.find(c=>c.id===b.dataset.playCamera)?.archiveSource||'local';queryRecordings();}if(b.dataset.span)playAt(new Date(b.dataset.span));});
$('#logout').onclick=async()=>{await api('/api/logout',{});loggedIn=false;stopPlayers();resetPlayback();await auth();};
$('#refresh').onclick=()=>{liveKey='';refresh();};$('#site-filter').onchange=()=>{stopPlayers();resetPlayback();render();};$('#quality').onchange=()=>{stopPlayers();renderLive();};
$('#scan-button').onclick=async()=>{try{await api('/api/discover',{network:$('#scan-network').value});await refresh();}catch(e){toast(e.message);}};
$('#path-preset').onchange=e=>{const presets={tplink:['/stream1','/stream2'],hikvision:['/Streaming/Channels/101','/Streaming/Channels/102'],dahua:['/cam/realmonitor?channel=1&subtype=0','/cam/realmonitor?channel=1&subtype=1']};const v=presets[e.target.value];if(v){$('#camera-form').elements.mainPath.value=v[0];$('#camera-form').elements.subPath.value=v[1];}};
function resetPlayback() {const v=$('#play-video');v.pause();v.removeAttribute('src');v.load();$('#play-empty').hidden=false;$('#download').hidden=true;spans=[];queryCamera='';queryStart=null;queryEnd=null;$('#play-info').textContent='选择日期，查看实际录像时段';drawTimeline();$('#recording-list').innerHTML='';}
async function queryRecordings() {
  resetPlayback();const id=$('#play-camera').value,date=$('#play-date').value;if(!id||!date){toast('请选择摄像头和日期');return;}
  const channel=state.cameras.find(c=>c.id===id);if($('#archive-source').value==='recorder'){$('#play-info').textContent='录像机历史回放接口待接入。请先提供录像机型号，在录像机或原厂 App 中可继续查看已有录像。';return;}
  queryStart=new Date(date+'T00:00:00');queryEnd=new Date(queryStart);queryEnd.setDate(queryEnd.getDate()+1);queryCamera=id;
  $('#play-info').textContent='正在查找录像…';
  try{const d=await api('/api/recordings?'+new URLSearchParams({camera:id,start:queryStart.toISOString(),end:queryEnd.toISOString()}));spans=d.items.map(s=>({...s,date:new Date(s.start)}));$('#play-info').textContent=spans.length?`找到 ${spans.length} 段连续录像`:'该日期暂无可回放录像';drawTimeline();$('#recording-list').innerHTML=spans.map(s=>`<button class="recording-item" data-span="${esc(s.start)}">${s.date.toLocaleTimeString()} — ${new Date(+s.date+s.duration*1000).toLocaleTimeString()}<small>${(s.duration/60).toFixed(1)} 分钟 · 点击播放</small></button>`).join('');if(spans.length)playAt(new Date(Math.max(+spans[0].date,+queryStart)));}catch(e){$('#play-info').textContent=e.message;}
}
function drawTimeline() {const c=$('#timeline'),w=c.clientWidth;if(!w)return;const scale=window.devicePixelRatio||1;c.width=w*scale;c.height=76*scale;const ctx=c.getContext('2d');ctx.scale(scale,scale);ctx.fillStyle='#101f25';ctx.fillRect(0,0,w,76);ctx.strokeStyle='#2b454e';for(let i=0;i<=24;i++){const x=w*i/24;ctx.beginPath();ctx.moveTo(x,0);ctx.lineTo(x,i%6===0?76:12);ctx.stroke();}if(!queryStart||!queryEnd)return;ctx.fillStyle='#72cdb5';const total=queryEnd-queryStart;for(const s of spans){const a=Math.max(0,(s.date-queryStart)/total),b=Math.min(1,(+s.date+s.duration*1000-queryStart)/total);if(b>a)ctx.fillRect(a*w,25,Math.max(2,(b-a)*w),25);}}
function playAt(date) {const s=spans.find(s=>+date>=+s.date&&+date<+s.date+s.duration*1000);if(!s){toast('这个时间没有录像，请选择绿色时段');return;}const duration=Math.min(3600,(+s.date+s.duration*1000-date)/1000);const params=new URLSearchParams({camera:queryCamera,start:date.toISOString(),duration:String(duration)});$('#play-video').src='/media/playback?'+params;$('#play-video').play().catch(()=>{});$('#play-info').textContent='回放起点 '+date.toLocaleString()+' · 兼容回放，最多一小时；使用下方时间轴定位';$('#play-empty').hidden=true;$('#download').href='/media/playback?'+params+'&download=1';$('#download').setAttribute('download','recording.mp4');$('#download').hidden=false;}
$('#query-recordings').onclick=queryRecordings;$('#play-camera').onchange=()=>{resetPlayback();const c=state.cameras.find(c=>c.id===$('#play-camera').value);$('#archive-source').value=c?.archiveSource||'local';};$('#archive-source').onchange=resetPlayback;$('#play-date').onchange=resetPlayback;
$('#seek-button').onclick=()=>{if(!queryCamera){toast('请先查询录像');return;}playAt(new Date($('#play-date').value+'T'+$('#seek-time').value));};
$('#timeline').onclick=e=>{if(!queryStart)return;const rect=e.currentTarget.getBoundingClientRect();playAt(new Date(+queryStart+(queryEnd-queryStart)*(e.clientX-rect.left)/rect.width));};
$('#play-video').onerror=()=>{if($('#play-video').getAttribute('src'))$('#play-info').textContent='回放失败：请稍后重试，或下载原始片段；服务器最多同时转换两个回放。';};
$('#play-video').onplaying=()=>{$('#play-empty').hidden=true;};
const today=new Date();$('#play-date').value=[today.getFullYear(),String(today.getMonth()+1).padStart(2,'0'),String(today.getDate()).padStart(2,'0')].join('-');
window.addEventListener('resize',drawTimeline);window.addEventListener('beforeunload',stopPlayers);
setInterval(()=>{$('#clock').textContent=new Date().toLocaleString('zh-CN',{hour12:false});},1000);
setInterval(refresh,12000);auth();

function renderAssets(){
 const assets=state.assets.filter(a=>!$('#site-filter').value||a.siteId===$('#site-filter').value);
 $('#asset-list').innerHTML=assets.length?assets.map(a=>`<article class="site-card"><div class="site-heading"><span class="badge">摄像头对象</span><button class="quiet" data-edit-asset="${a.id}">编辑</button></div><h3>${esc(a.name)}</h3><dl><div><dt>所属空间</dt><dd>${esc(siteName(a.siteId))}</dd></div><div><dt>品牌型号</dt><dd>${esc([a.brand,a.model].filter(Boolean).join(' / ')||'待填写')}</dd></div><div><dt>物理镜头</dt><dd>${a.lensCount} 个</dd></div><div><dt>已配置通道</dt><dd>${state.cameras.filter(c=>c.assetId===a.id).length} 个</dd></div><div><dt>安装位置</dt><dd>${esc(a.point||'待填写')}</dd></div></dl></article>`).join(''):empty('先建立实体摄像头对象','三台双镜头摄像头，建立三个对象；每个对象下分别配置镜头通道。','<button data-action="new-asset">＋ 新建摄像头对象</button>');
}
function renderRecorders(){
 const recorders=state.recorders.filter(r=>!$('#site-filter').value||r.siteId===$('#site-filter').value);
 $('#recorder-list').innerHTML=recorders.length?recorders.map(r=>`<article class="site-card"><div class="site-heading"><span class="badge">录像机</span><button class="quiet" data-edit-recorder="${r.id}">配置</button></div><h3>${esc(r.name)}</h3><dl><div><dt>所属空间</dt><dd>${esc(siteName(r.siteId))}</dd></div><div><dt>品牌型号</dt><dd>${esc([r.brand,r.model].filter(Boolean).join(' / ')||'待确认')}</dd></div><div><dt>设备地址</dt><dd>${esc(r.host)}:${r.port}</dd></div><div><dt>凭据</dt><dd>${r.passwordConfigured?'已配置':'尚未填写'}</dd></div><div><dt>关联镜头</dt><dd>${state.cameras.filter(c=>c.recorderId===r.id).length} 个</dd></div><div><dt>原有录像回放</dt><dd>待型号适配</dd></div></dl></article>`).join(''):empty('连接现有录像机','填写录像机账号后，在各镜头通道选择这台录像机。','<button data-action="new-recorder">＋ 添加录像机</button>');
}
function openAsset(id){if(!state.sites.length){toast('请先建立空间档案');openSite();return;}const f=$('#asset-form');f.reset();f.querySelector('.form-error').textContent='';f.elements.siteId.innerHTML=state.sites.map(s=>`<option value="${s.id}">${esc(s.name)}</option>`).join('');const a=state.assets.find(a=>a.id===id);if(a)for(const [k,v]of Object.entries(a))if(f.elements[k])f.elements[k].value=v;$('#asset-dialog').showModal();}
function openRecorder(id){if(!state.sites.length){toast('请先建立空间档案');openSite();return;}const f=$('#recorder-form');f.reset();f.querySelector('.form-error').textContent='';f.elements.siteId.innerHTML=state.sites.map(s=>`<option value="${s.id}">${esc(s.name)}</option>`).join('');const r=state.recorders.find(a=>a.id===id);if(r)for(const [k,v]of Object.entries(r))if(f.elements[k])f.elements[k].value=v;$('#recorder-dialog').showModal();}
function syncEndpoint(){const f=$('#camera-form'),isRecorder=f.elements.sourceKind.value==='recorder',r=state.recorders.find(r=>r.id===f.elements.recorderId.value);f.elements.recorderId.disabled=!isRecorder;for(const k of ['host','port','username','password'])f.elements[k].readOnly=isRecorder;if(isRecorder&&r){f.elements.host.value=r.host;f.elements.port.value=r.port;f.elements.username.value=r.username;f.elements.password.value='';}const a=state.assets.find(a=>a.id===f.elements.assetId.value);if(a){f.elements.siteId.value=a.siteId;f.elements.point.value=f.elements.point.value||a.point;}f.elements.siteId.disabled=true;}
$('#camera-form').elements.sourceKind.onchange=syncEndpoint;$('#camera-form').elements.recorderId.onchange=syncEndpoint;$('#camera-form').elements.assetId.onchange=syncEndpoint;
handleForm('asset-form','/api/assets',d=>({...d,lensCount:Number(d.lensCount)}));handleForm('recorder-form','/api/recorders',d=>({...d,port:Number(d.port)}));

$('#onvif-read').onclick=async()=>{const f=$('#camera-form'),b=$('#onvif-read');if(f.elements.sourceKind.value!=='direct'){toast('读取镜头配置时请使用直接连接摄像头');return;}b.disabled=true;$('#onvif-result').textContent='正在读取…';try{const d=await api('/api/onvif',{id:f.elements.id.value,host:f.elements.host.value,port:80,username:f.elements.username.value,password:f.elements.password.value});const groups=Map.groupBy?Map.groupBy(d.profiles,p=>p.sourceToken):d.profiles.reduce((m,p)=>{const k=p.sourceToken;m.set(k,[...(m.get(k)||[]),p]);return m;},new Map());$('#onvif-result').innerHTML='';const note=document.createElement('p');note.className='description';note.textContent=[d.device.Manufacturer,d.device.Model].join(' · ')+' / '+groups.size+' 个视频源';$('#onvif-result').append(note);for(const [source,profiles]of groups){profiles.sort((a,b)=>Number(b.width)*Number(b.height)-Number(a.width)*Number(a.height));const btn=document.createElement('button');btn.type='button';btn.className='quiet';btn.textContent=source+' · '+profiles[0].width+' × '+profiles[0].height;btn.onclick=()=>{f.elements.mainPath.value=profiles[0].path;f.elements.subPath.value=(profiles[1]||profiles[0]).path;f.elements.port.value=profiles[0].port;f.elements.model.value=d.device.Model;toast('已填入该视频源的主、子码流路径，请保存');};$('#onvif-result').append(btn);}}catch(e){$('#onvif-result').textContent=e.message;}finally{b.disabled=false;}};