'use strict';
pageInfo.households=['我的家庭与场所','家庭、办公室或工厂，分别组织，各自授权。'];
const scopeKind=h=>({home:'家庭',office:'办公场所',factory:'工厂'}[h.kind||'home']||'家庭');
let coverSaving=false;
function renderHouseholds(){
  const homes=state.households||[];
  setOptions($('#household-filter'),homes.map(h=>`<option value="${esc(h.id)}">${esc(scopeKind(h)+' · '+h.name)}</option>`).join(''));
  $('#household-filter').value=state.familyId||'';
  if(activePage!=='households')return;
  const cards=h=>`<article class="site-card home-card"><div class="home-cover ${h.coverUrl?'has-photo':''}">${h.coverUrl?`<img src="${esc(h.coverUrl)}" alt="${esc(h.name)}封面照片" loading="lazy">`:'<div class="home-cover-placeholder" aria-hidden="true">山川有归处 · 灯火有人家</div>'}<div class="home-cover-content"><div class="site-heading"><span class="badge">${h.id===state.familyId?'当前归属 · ':''}${scopeKind(h)}</span>${isAdmin()?`<button class="quiet" data-edit-household="${esc(h.id)}">编辑档案</button>`:''}</div><h3>${esc(h.name)}</h3><p class="home-location">${esc(ZhaoGeography.describe(h)||'地区待填写')}</p></div></div><div class="home-card-body"><p class="description">${esc(h.note||'区域与设备归属独立管理')}</p><dl><div><dt>${!h.kind||h.kind==='home'?'一家之主':'主要负责人'}</dt><dd>${esc(h.ownerName||'待指定')}</dd></div><div><dt>备用负责人</dt><dd>${esc(h.successorName||'待指定')}</dd></div><div><dt>账号 / 空间</dt><dd>${h.members} 个 / ${h.sites} 处</dd></div></dl>${!h.successorId?'<p class="description">尚未指定备用负责人，建议提前安排可信人员接管。</p>':''}<div class="household-actions"><button class="secondary" data-enter-household="${esc(h.id)}">进入${esc(h.name)}</button>${h.canAssignOwner?`<button class="quiet" data-leadership="${esc(h.id)}">负责人安排与交接</button>`:''}</div>${h.leadershipHistory?.length?`<details><summary>交接记录</summary>${h.leadershipHistory.slice().reverse().map(r=>`<p class="description">${esc(new Date(r.at).toLocaleString())} · ${esc(r.actor)}<br>${esc(r.reason)}</p>`).join('')}</details>`:''}</div></article>`;
  const groups=new Map();for(const h of homes){const key=[h.geography?.body&&h.geography.body!=='地球'?h.geography.body:'',h.geography?.country||h.country||'',h.province,h.city||'未填写城市／区域'].filter(Boolean).join(' / ');if(!groups.has(key))groups.set(key,[]);groups.get(key).push(h);}
  $('#household-list').innerHTML=[...groups].sort(([a],[b])=>a.localeCompare(b,'zh-CN')).map(([city,rows])=>`<section class="home-city-group"><h3>${esc(city)} <small>${rows.length} 个家庭或场所</small></h3><div class="site-grid">${rows.map(cards).join('')}</div></section>`).join('');
}
async function switchHousehold(id){
  if(id===state.familyId)return true;
  if(!isPlatformAdmin()||!id)return false;
  if(typeof confirmJournalDiscard==='function'&&!confirmJournalDiscard())return false;
  const user=currentUser;
  // Invalidate outstanding API responses, video players and dialogs before changing scope.
  clearPrivateView();
  householdScope=id;currentUser=user;loggedIn=true;
  await auth();return loggedIn;
}
function openHousehold(id){
  if(coverSaving){toast('档案仍在保存，请稍候。');return;}
  if(!isAdmin())return;
  const item=(state.households||[]).find(h=>h.id===id);
  if(!item&&!isPlatformAdmin())return;
  nextImageJob('cover');$('#household-cover-status').dataset.error='false';fillForm($('#household-form'),{profileRevision:0,...(item||{})});coverDraft=undefined;ZhaoGeography.fill($('#household-form'),item||{});$('#household-cover-preview').hidden=!item?.coverUrl;if(item?.coverUrl)$('#household-cover-preview').src=item.coverUrl;else $('#household-cover-preview').removeAttribute('src');$('#household-cover-status').textContent='封面存入百度网盘，原图可选 30 MB 以内；浏览器会先压缩。仅向获授权账号开放。';$('#household-dialog').showModal();
}
async function openLeadership(id){
  try{
    if(id!==state.familyId&&!await switchHousehold(id))return;
    const home=(state.households||[]).find(h=>h.id===id);
    if(!home?.canAssignOwner)return;
    const result=await api('/api/users');
    const candidates=result.users.filter(u=>u.role==='family_admin'&&!u.disabled);
    const f=$('#leadership-form'),options=candidates.map(u=>`<option value="${esc(u.id)}">${esc(u.name+' / '+u.username)}</option>`).join('');
    f.elements.ownerId.innerHTML='<option value="">请选择主要负责人</option>'+options;
    f.elements.successorId.innerHTML='<option value="">暂未指定</option>'+options;
    fillForm(f,{id:home.id,revision:home.leadershipRevision||0,ownerId:home.ownerId||'',successorId:home.successorId||''});
    $('#leadership-dialog').showModal();
  }catch(error){if(!error.stale)toast(error.message);}
}
$('#leadership-form').addEventListener('submit',async e=>{
  e.preventDefault();const f=e.currentTarget,b=f.querySelector('[type=submit]');b.disabled=true;
  try{const d=formValues(f);d.revision=Number(d.revision);await api('/api/households/leadership',d);f.closest('dialog').close();await refresh();showPage('households');toast('负责人已更新，交接记录已保存');}
  catch(error){if(!error.stale)f.querySelector('.form-error').textContent=error.message;}finally{b.disabled=false;}
});
$('#household-filter').onchange=async e=>{const switched=await switchHousehold(e.target.value);if(switched&&loggedIn)showPage('overview');else e.target.value=state.familyId;};
$('#new-household').onclick=()=>openHousehold();
$('#household-form').addEventListener('submit',async e=>{
  e.preventDefault();const f=e.currentTarget;if(coverSaving)return;
  if(imageJobPending('cover')){f.querySelector('.form-error').textContent='照片仍在处理，请完成后保存。';return;}
  if(imageJobs.get('cover')?.error){f.querySelector('.form-error').textContent='封面未准备成功：请重新选择图片，或点击“取消本次图片选择”。';return;}
  const payload={...formValues(f),profileRevision:Number(f.elements.profileRevision.value||0),...(coverDraft!==undefined?{coverData:coverDraft}:{})};
  const controls=[...f.elements],disabled=controls.map(x=>x.disabled),generation=sessionGeneration;
  coverSaving=true;controls.forEach(x=>x.disabled=true);f.querySelector('.form-error').textContent=payload.coverData?'正在上传封面到百度网盘并校验，请稍候…':'正在保存档案…';
  try{
    const saved=await api('/api/households',payload);if(generation!==sessionGeneration)return;
    if(payload.coverData&&!saved.coverRef?.fsId)throw Error('服务器未确认封面保存，请重试。');
    // Adopt the returned revision even if a later state refresh fails.
    f.elements.id.value=saved.id;f.elements.profileRevision.value=saved.profileRevision;
    const view={...saved,coverUrl:saved.coverData||saved.coverRef?'/api/households/cover?id='+encodeURIComponent(saved.id)+'&v='+saved.coverRevision:''};
    delete view.coverData;delete view.coverRef;const previous=(state.households||[]).find(x=>x.id===saved.id);
    if(previous)Object.assign(previous,view);else (state.households||=[]).push(view);
    renderHouseholds();f.closest('dialog').close();toast(payload.coverData?'封面已存百度网盘，归属档案已保存':payload.coverData===''?'归属档案已保存，已使用默认封面':'归属档案已保存');
    try{await refresh();}catch(error){if(!error.stale&&generation===sessionGeneration)toast('档案已保存，列表刷新暂未完成，请稍后刷新页面。无需重复保存。');}
  }catch(error){if(!error.stale&&generation===sessionGeneration)f.querySelector('.form-error').textContent=error.message;}
  finally{coverSaving=false;controls.forEach((x,i)=>x.disabled=disabled[i]);}
});
document.addEventListener('click',async e=>{
  const b=e.target.closest('button');if(!b)return;
  if(b.dataset.editHousehold)openHousehold(b.dataset.editHousehold);
  if(b.dataset.leadership)await openLeadership(b.dataset.leadership);
  if(b.dataset.enterHousehold){const switched=await switchHousehold(b.dataset.enterHousehold);if(switched&&loggedIn)showPage('overview');}
});

$('#household-cover-file').onchange=async e=>{
  const file=e.target.files[0];if(!file)return;
  const job=nextImageJob('cover'),generation=sessionGeneration,status=$('#household-cover-status');
  imageJobs.get('cover').pending=true;status.dataset.error='false';status.textContent='正在压缩照片，请稍候…';$('#household-form .form-error').textContent='';
  try{const image=await readImage(file,960);if(generation!==sessionGeneration||!imageJobCurrent('cover',job)||!$('#household-dialog').open)return;
    coverDraft=image;$('#household-cover-preview').src=image;$('#household-cover-preview').hidden=false;status.textContent='封面预览已就绪（约 '+Math.ceil((image.length-22)*.75/1024)+' KB），保存后上传百度网盘并更新卡片。';
  }catch(error){if(generation===sessionGeneration&&imageJobCurrent('cover',job)){imageJobs.get('cover').error=true;status.dataset.error='true';status.textContent=error.message+'。本次图片未保存，请重新选择或取消本次选择。';}}
  finally{if(imageJobCurrent('cover',job))imageJobs.get('cover').pending=false;}
};
$('#household-cover-cancel').onclick=()=>{
  nextImageJob('cover');coverDraft=undefined;$('#household-cover-file').value='';
  const item=(state.households||[]).find(x=>x.id===$('#household-form').elements.id.value),img=$('#household-cover-preview');
  img.hidden=!item?.coverUrl;if(item?.coverUrl)img.src=item.coverUrl;else img.removeAttribute('src');
  $('#household-cover-status').dataset.error='false';$('#household-cover-status').textContent='已取消本次图片选择，保留原有封面。';$('#household-form .form-error').textContent='';
};
$('#household-cover-reset').onclick=()=>{nextImageJob('cover');coverDraft='';$('#household-cover-file').value='';$('#household-cover-preview').hidden=true;$('#household-cover-preview').removeAttribute('src');$('#household-cover-status').dataset.error='false';$('#household-cover-status').textContent='保存后使用默认封面。';$('#household-form .form-error').textContent='';};
$('#household-dialog').addEventListener('close',()=>nextImageJob('cover'));
$('#household-dialog').addEventListener('cancel',event=>{if(coverSaving)event.preventDefault();});
$('#household-cover-preview').addEventListener('error',()=>{$('#household-cover-status').textContent='封面暂时无法从网盘读取，请稍后重新打开；原有记录仍保留。';});