'use strict';
let deviceGroups=['type','space'],deviceGroupScope='',deviceViewSignature='';
const deviceDimensions={type:'设备类型',space:'区域空间',manager:'负责人',owner:'所有人',tag:'自定义标签'};
function renderDeviceGrouping(){
  $('#device-group-order').innerHTML=deviceGroups.map((g,i)=>`<div class="group-step"><span>${i+1}</span><select data-group-index="${i}" aria-label="第 ${i+1} 分组">${Object.entries(deviceDimensions).map(([key,label])=>`<option value="${key}" ${key===g?'selected':''} ${deviceGroups.includes(key)&&key!==g?'disabled':''}>${label}</option>`).join('')}</select><button class="quiet" data-group-up="${i}" aria-label="第 ${i+1} 分组前移" ${i===0?'disabled':''}>↑</button><button class="quiet" data-group-remove="${i}" aria-label="移除第 ${i+1} 分组">×</button></div>`).join('');
  $$('[data-group-preset]').forEach(b=>b.setAttribute('aria-pressed',String(b.dataset.groupPreset===deviceGroups.join(','))));
  $('#device-group-add').disabled=deviceGroups.length>=Object.keys(deviceDimensions).length;
}
function videoDeviceActions(d){
  if(!['camera','recorder'].includes(d.source))return '';
  const channels=state.cameras.filter(c=>d.source==='camera'?c.assetId===d.id:c.recorderId===d.id||c.archiveRecorderId===d.id);
  const target=`data-view-device="${esc(d.id)}" data-device-source="${d.source}"`;
  return `<div class="camera-actions">${isAdmin()?`<button class="secondary" ${target} data-open-device-tab="cameras">配置镜头</button>`:''}${channels.length?`<button class="quiet" ${target} data-open-device-tab="live">查看画面</button><button class="quiet" ${target} data-open-device-tab="playback">录像回放</button>`:''}</div>${!channels.length?'<p class="description">尚未接入画面，请先配置镜头通道。</p>':''}`;
}
function deviceCard(d){
  const location=ZhaoDevices.path(state.sites,d.siteId).map(s=>s.name).join(' / ')||'未指定区域';
  const attr=d.source==='camera'?'edit-asset':d.source==='recorder'?'edit-recorder':'edit-device';
  const detail=d.source==='camera'?`<div><dt>镜头 / 通道</dt><dd>${d.lensCount} 个镜头 · ${state.cameras.filter(c=>c.assetId===d.id).length} 个已配置通道</dd></div>`:d.source==='recorder'?`<div><dt>关联镜头</dt><dd>${state.cameras.filter(c=>c.recorderId===d.id||c.archiveRecorderId===d.id).length} 个</dd></div>`:'<div><dt>接入状态</dt><dd>仅登记档案，尚未接入控制</dd></div>';
  return `<article class="site-card"><div class="site-heading"><span class="badge">${esc(d.deviceType)}</span>${isAdmin()?`<button class="quiet" data-${attr}="${esc(d.id)}">编辑</button>`:''}</div><h3><button class="device-title" data-view-device="${esc(d.id)}" data-device-source="${d.source}">${esc(d.name)} <span aria-hidden="true">›</span></button></h3><dl><div><dt>所在区域</dt><dd>${esc(location)}</dd></div><div><dt>所有人</dt><dd>${esc(d.ownerName||'待指定')}</dd></div><div><dt>负责人</dt><dd>${esc(d.managerName||'待指定')}</dd></div><div><dt>品牌型号</dt><dd>${esc([d.brand,d.model].filter(Boolean).join(' / ')||'待填写')}</dd></div>${detail}</dl>${videoDeviceActions(d)}${d.tags?.length?`<p class="device-tags">${d.tags.map(t=>`<span>${esc(t)}</span>`).join('')}</p>`:''}</article>`;
}
function renderDevices(){
  const home=(state.households||[]).find(h=>h.id===state.familyId),saved=home?.deviceGrouping||['type','space'];
  const signature=JSON.stringify(saved);
  if(deviceGroupScope!==state.familyId||deviceViewSignature!==signature){deviceGroupScope=state.familyId;deviceViewSignature=signature;deviceGroups=[...saved];renderDeviceGrouping();}
  $('#device-clear').hidden=!($('#site-filter').value||$('#device-type').value||$('#device-search').value);
  const search=$('#device-search').value.trim().toLowerCase();
  const all=ZhaoDevices.catalog(state),types=[...new Set(all.map(d=>d.deviceType))].sort();
  setOptions($('#device-type'),'<option value="">所有类型</option>'+types.map(type=>`<option value="${esc(type)}">${esc(type)}</option>`).join(''));
  const category=$('#device-type').value;
  const range=$('#site-filter').value?ZhaoDevices.descendants(state.sites,$('#site-filter').value):null;
  const devices=all.filter(d=>(!range||range.has(d.siteId))&&(!category||d.deviceType===category)&&ZhaoDevices.matches(d,search,state.sites));
  $('#device-count').textContent=`${devices.length} 台设备 · 按 ${deviceGroups.map(g=>deviceDimensions[g]).join(' → ')||'全部平铺'} 查看`;
  $('#asset-list').innerHTML=devices.length?ZhaoDevices.groups(devices,deviceGroups,state.sites).map(group=>`<section class="device-group"><h3>${group.labels.map(esc).join(' <span aria-hidden="true">›</span> ')||'全部设备'} <small>${group.items.length} 台</small></h3><div class="site-grid">${group.items.map(deviceCard).join('')}</div></section>`).join(''):empty('当前条件下没有设备','可以清除筛选，或添加摄像机、录像机、灯、手机等设备档案。');
}
function resetDeviceView(){deviceGroupScope='';deviceViewSignature='';deviceGroups=['type','space'];$('#device-search').value='';$('#device-type').innerHTML='<option value="">所有类型</option>';$('#device-group-order').replaceChildren();}
function responsibilityFields(form,item){for(const key of ['ownerName','managerName'])form.elements[key].value=item?.[key]||'';form.elements.tags.value=(item?.tags||[]).join('、');}
function deviceValues(data){return {...data,tags:(data.tags||'').split(/[,，、\n]+/).map(t=>t.trim()).filter(Boolean)};}
function openDevice(id){
  const item=(state.devices||[]).find(d=>d.id===id)||{},f=$('#device-form');
  f.elements.siteId.innerHTML='<option value="">未指定区域</option>'+spaceOptions();fillForm(f,item);if(!item.id)f.elements.siteId.value=$('#site-filter').value||'';responsibilityFields(f,item);$('#device-dialog').showModal();
}
function spaceOptions(exclude=''){
  const omitted=exclude?ZhaoDevices.descendants(state.sites,exclude):new Set();
  return state.sites.filter(s=>!omitted.has(s.id)).map(s=>`<option value="${esc(s.id)}">${esc(siteName(s.id))}</option>`).join('');
}
function clearDeviceFilters(){$('#site-filter').value='';$('#device-type').value='';$('#device-search').value='';renderDevices();}
$('#device-clear').onclick=clearDeviceFilters;
$('#device-search').oninput=renderDevices;$('#device-type').onchange=renderDevices;
$('#device-group-order').addEventListener('change',e=>{if(e.target.dataset.groupIndex!==undefined){deviceGroups[Number(e.target.dataset.groupIndex)]=e.target.value;renderDeviceGrouping();renderDevices();}});
$('#device-group-add').onclick=()=>{const next=Object.keys(deviceDimensions).find(k=>!deviceGroups.includes(k));if(next){deviceGroups.push(next);renderDeviceGrouping();renderDevices();}};
$('#device-view-save').onclick=async()=>{try{await api('/api/device-view',{groups:deviceGroups});await refresh();toast('已保存为本家庭或场所的默认分组');}catch(e){if(!e.stale)toast(e.message);}};
$('#new-device').onclick=()=>openDevice();
handleForm('device-form','/api/devices',deviceValues);
document.addEventListener('click',e=>{
  const b=e.target.closest('button');if(!b)return;
  if(b.dataset.groupPreset){deviceGroups=b.dataset.groupPreset.split(',');renderDeviceGrouping();renderDevices();}
  if(b.dataset.editDevice)openDevice(b.dataset.editDevice);
  if(b.dataset.groupRemove!==undefined){deviceGroups.splice(Number(b.dataset.groupRemove),1);renderDeviceGrouping();renderDevices();}
  if(b.dataset.groupUp!==undefined){const i=Number(b.dataset.groupUp);if(i>0){[deviceGroups[i-1],deviceGroups[i]]=[deviceGroups[i],deviceGroups[i-1]];renderDeviceGrouping();renderDevices();}}
});