function obidSpec(pkg){
  pkg=String(pkg||'');
  if(pkg==='ai.x.grok'||pkg==='ai.x.grok.bot') return {label:'SSO', hint:'grok.com 的 sso cookie / JWT', mode:'grok'};
  if(pkg==='com.anysphere.cursor') return {label:'用户 ID', hint:'Cursor 用户 ID，原值作为 obfuscatedAccountId', mode:'raw'};
  if(pkg==='com.twitter.android') return {label:'用户 ID', hint:'X 用户 ID，原值作为 obfuscatedAccountId', mode:'raw'};
  if(pkg==='com.anthropic.claude') return {label:'Session Key', hint:'sk- 开头的 sessionKey，购买时解析 Organization ID 和 Account UUID', mode:'claude'};
  if(pkg==='com.discord') return {label:'用户 Authorization', hint:'Discord token，先解出用户 ID 再 SHA-256 hex', mode:'discord'};
  if(pkg==='com.openai.chatgpt') return {label:'用户 ID', hint:'ChatGPT 用户 ID，SHA-256 Base64', mode:'b64'};
  return null;
}
async function sha256Bytes(text){
  const data=new TextEncoder().encode(String(text||''));
  const buf=await crypto.subtle.digest('SHA-256', data);
  return new Uint8Array(buf);
}
function discordUserId(token){
  token=String(token||'').trim();
  const part=token.split('.')[0].replace(/=+$/,'').replace(/-/g,'+').replace(/_/g,'/');
  if(!part) throw new Error('token 格式无效');
  const pad=part+'='.repeat((4-part.length%4)%4);
  const id=atob(pad);
  if(!/^[0-9]+$/.test(id)) throw new Error('解码结果不是数字 user-id');
  return id;
}
async function obidValue(mode, raw){
  raw=String(raw||'').trim();
  if(!raw) return {account:'', profile:''};
  if(mode==='raw') return {account:raw, profile:''};
  if(mode==='discord'){
    const id=discordUserId(raw);
    const bytes=await sha256Bytes(id);
    return {account:[...bytes].map(b=>b.toString(16).padStart(2,'0')).join(''), profile:''};
  }
  if(mode==='b64'){
    const bytes=await sha256Bytes(raw);
    let s=''; bytes.forEach(b=>{ s+=String.fromCharCode(b); });
    return {account:btoa(s), profile:''};
  }
  if(mode==='grok'||mode==='claude'){
    const j=await api('/api/purchases/obid',{method:'POST',body:JSON.stringify({package:mode==='grok'?'ai.x.grok':'com.anthropic.claude', input:raw, account_id:window._obidAccount||0})});
    if(j.error) throw new Error(j.error);
    return {account:j.obfuscated_account_id||'', profile:j.obfuscated_profile_id||'', subscriptions:j.subscriptions||[]};
  }
  return {account:raw, profile:''};
}

function viewCards(){
  const dock=document.getElementById('pagerDock');
  const all=(cache.cards||[]).filter(c=>{
    if(!c) return false;
    if(filters.cardHidden==='hidden' && !c.hidden) return false;
    if(filters.cardHidden!=='hidden' && filters.cardHidden!=='all' && c.hidden) return false;
    return matchQ([c.brand,c.scheme,c.type,c.bank,c.country,c.country_a2,c.last4,c.bin,c.pan,c.note,String(c.id)]);
  });
  const info=paginate(all,'cards');
  const rows=info.slice.map(c=>{
    const exp=String(c.exp_month||'').padStart(2,'0')+'/'+String(c.exp_year||'').slice(-2);
    return '<tr'+(c.hidden?' class="row-hidden"':'')+'>'+
      '<td class="muted">#'+c.id+'</td>'+
      '<td>'+esc(c.brand||c.scheme||'-')+'<div class="muted">'+esc([c.scheme,c.type,c.prepaid?'预付':''].filter(Boolean).join(' · '))+'</div></td>'+
      '<td class="mono">'+esc(cardPAN(c)||c.last4||'-')+'</td>'+
      '<td class="mono">'+esc(exp)+'</td>'+
      '<td>'+esc(c.bank||'-')+'<div class="muted">'+esc(countryLabel(c.country_a2||c.country||''))+'</div></td>'+
      '<td>'+(c.hidden?'<span class="pill st-disabled">已隐藏</span>':'<span class="pill st-ready">可用</span>')+'</td>'+
      '<td class="muted">'+esc(c.note||'')+'</td>'+
      '<td class="muted">'+fmtTime(c.created_at)+'</td>'+
      '<td><label class="muted"><input type="checkbox" '+(c.no_replay_concurrency?'checked':'')+' onchange="setCardNoReplay('+c.id+',this.checked)"> 升级重试禁止并发</label> <button class="btn" onclick="hideCard('+c.id+','+(c.hidden?'false':'true')+')">'+(c.hidden?'显示':'隐藏')+'</button></td>'+
      '</tr>';
  }).join('');
  $('#app').innerHTML=
    '<div class="card"><div class="toolbar">'+
      '<button class="btn pri" onclick="addCardDlg()">添加卡</button>'+
      '<span class="muted">隐藏的卡不会出现在绑卡和购买下拉里。订单卡尾号不在本卡库的订阅，升级重试并发固定为 1。</span>'+
    '</div>'+
    '<div class="filterbar">'+
      filterSelect('显示', 'filters.cardHidden=this.value; pageNo.cards=1; render(false)', '<option value="">未隐藏</option><option value="hidden" '+(filters.cardHidden==='hidden'?'selected':'')+'>已隐藏</option><option value="all" '+(filters.cardHidden==='all'?'selected':'')+'>全部</option>')+
      '<span class="hint">当前 '+all.length+' / '+(cache.cards||[]).length+'</span>'+
    '</div></div>'+
    '<div class="table-wrap"><table><thead><tr><th>ID</th><th>品牌</th><th>卡号</th><th>有效期</th><th>发卡行</th><th>状态</th><th>备注</th><th>入库</th><th></th></tr></thead><tbody>'+
    (rows||'<tr><td colspan="9" class="empty">还没有卡。</td></tr>')+
    '</tbody></table></div>'+pager('cards', info);
  if(dock && page!=='cards') dock.innerHTML='';
}
function modalBusy(on, text){
  const box=document.querySelector('#modalStack .modal')||document.querySelector('#modalRoot .modal');
  if(!box) return;
  box.classList.toggle('busy', !!on);
  const ok=box.querySelector('#mOk');
  if(ok){
    if(on){
      if(!ok.dataset.label) ok.dataset.label=ok.textContent;
      ok.disabled=true;
      ok.classList.add('busy');
      ok.innerHTML='<span class="spin"></span>'+esc(text||'处理中');
    }else{
      ok.disabled=false;
      ok.classList.remove('busy');
      if(ok.dataset.label) ok.textContent=ok.dataset.label;
    }
  }
}
async function addCardDlg(){
  const root=$('#modalRoot');
  root.innerHTML='<div class="modal-mask"><div class="modal"><h3>添加卡</h3>'+
    '<div class="fields">'+
    '<label>快速录入</label><input id="cardTriple" placeholder="卡号  有效期  CVC">'+
    '<label>卡号</label><input id="cardPan" placeholder="PAN">'+
    '<label>有效期 MM/YY</label><input id="cardExp" placeholder="12/29">'+
    '<label>CVC</label><input id="cardCvc" placeholder="CVC">'+
    '<label>备注</label><input id="cardNote" placeholder="可选">'+
    '<div class="muted" id="cardPreview"></div>'+
    '</div><div class="actions"><button class="btn" id="mCancel">取消</button><button class="btn pri" id="mOk">保存</button></div></div></div>';
  const triple=$('#cardTriple');
  const fill=()=>{
    const got=parseCardTriple(triple.value);
    if(!got) return;
    $('#cardPan').value=got.pan;
    $('#cardExp').value=got.exp;
    $('#cardCvc').value=got.cvc;
  };
  if(triple){
    triple.addEventListener('input', fill);
    triple.addEventListener('paste', ()=>setTimeout(fill,0));
  }
  const preview=async()=>{
    const pan=($('#cardPan').value||'').replace(/\s/g,'');
    const exp=$('#cardExp').value.trim();
    const cvc=$('#cardCvc').value.trim();
    const box=$('#cardPreview');
    if(pan.length<12){ if(box) box.textContent=''; return; }
    const j=await api('/api/cards/preview',{method:'POST',body:JSON.stringify({pan, exp, cvc})});
    if(!box) return;
    if(j.error){ box.textContent=j.error; return; }
    box.textContent=[j.brand||j.scheme, j.type, j.bank, countryLabel(j.country_a2||j.country||''), j.prepaid?'预付':'', '尾号 '+(j.last4||'')].filter(Boolean).join(' · ');
  };
  ['cardPan','cardExp','cardCvc'].forEach(id=>{ const el=$('#'+id); if(el) el.addEventListener('change', preview); });
  const ok=await new Promise(resolve=>{
    $('#mOk').onclick=()=>resolve(true);
    $('#mCancel').onclick=()=>resolve(false);
    bindMaskClose(root, ()=>resolve(false));
  });
  if(!ok){ root.innerHTML=''; return; }
  const pan=($('#cardPan').value||'').trim();
  const exp=($('#cardExp').value||'').trim();
  const cvc=($('#cardCvc').value||'').trim();
  const note=($('#cardNote').value||'').trim();
  const tripleText=(triple&&triple.value||'').trim();
  modalBusy(true, '保存中');
  const body=tripleText?{triple:tripleText, note}:{pan, exp, cvc, note};
  const j=await api('/api/cards',{method:'POST',body:JSON.stringify(body)});
  root.innerHTML='';
  if(j.error) return fail('无法保存', j.error);
  notice('已保存', (j.brand||'卡')+' '+(j.last4||''));
  await loadAll(); render(false);
}
async function setCardNoReplay(id, on){
  const j=await api('/api/cards/'+id+'/no-replay',{method:'POST',body:JSON.stringify({no_replay_concurrency:!!on})});
  if(j.error) return fail('无法保存', j.error);
  const card=(cache.cards||[]).find(c=>c && Number(c.id)===Number(id));
  if(card) card.no_replay_concurrency=!!on;
  notice(on?'已禁止并发':'已允许并发', '尾号 '+((card&&card.last4)||('#'+id)));
}
async function hideCard(id, hidden){
  const j=await api('/api/cards/'+id+'/hidden',{method:'POST',body:JSON.stringify({hidden:!!hidden})});
  if(j.error) return fail('无法更新', j.error);
  notice(hidden?'已隐藏':'已显示', '#'+id);
  await loadAll(); render(false);
}
function skuOptions(pkg, selectedId){
  const list=(cache.skus||[]).filter(s=>(!pkg || s.package===pkg) && String(s.note||'').indexOf('作废')<0);
  if(!list.length) return '<option value="">没有 SKU</option>';
  return list.map(s=>'<option value="'+s.id+'" '+(Number(selectedId)===Number(s.id)?'selected':'')+'>'+esc(skuLabel(s))+'</option>').join('');
}
function skuLabel(s){
  if(!s) return '';
  return (s.title||s.sku)+' · '+s.sku+(s.product_type?(' · '+s.product_type):'');
}
function parseJobOffers(j){
  const r=jobResult(j);
  if(Array.isArray(r)) return r;
  if(r && Array.isArray(r.offers)) return r.offers;
  if(r && (r.offer_token||r.price||r.sku)) return [r];
  return [];
}
function accountCountry(acc){
  const cc=String((acc&&(acc.play_country||acc.country))||'').trim().toUpperCase();
  return /^[A-Z]{2}$/.test(cc)?cc:'';
}
const replacementModes=[
  {id:1, name:'按剩余时间折算'},
  {id:2, name:'立即补差价'},
  {id:3, name:'下次续费改价'},
  {id:4, name:'立即全额收费'},
  {id:5, name:'到期后切换'},
  {id:6, name:'保留现有方案'}
];
function purchaseTokenOf(p){
  if(!p) return '';
  return p.purchase_token||'';
}
function accountSubs(aid){
  return (cache.subs||[]).filter(s=>s && Number(s.account_id)===Number(aid));
}
function replacementModeHtml(selected){
  selected=Number(selected||2);
  return '<div class="mode-picks compact">'+replacementModes.map(m=>'<label class="mode-pick"><input type="radio" name="replMode" value="'+m.id+'" '+(m.id===selected?'checked':'')+'><span class="mode-copy"><strong>'+m.id+' '+esc(m.name)+'</strong></span></label>').join('')+'</div>';
}
async function skuForm(opts){
  opts=opts||{};
  const upgrade=!!opts.upgrade;
  const aid=Number(opts.accountId||0);
  if(!(cache.skus||[]).length || (upgrade && !(cache.subs||[]).some(s=>s && Number(s.account_id)===aid))){
    try{ await loadAll(['skus','subs','accounts']); }catch(e){}
  }
  const acc=(cache.accounts||[]).find(a=>a && Number(a.id)===aid)||{};
  const pkgs=sortApps([...new Set((cache.skus||[]).map(s=>s.package).filter(Boolean))]);
  const presetPkg=opts.package||'';
  const presetSku=(cache.skus||[]).find(s=>s.package===presetPkg && s.sku===opts.sku);
  const subs=accountSubs(aid).filter(subCurrent);
  const oldOpts=subs.map(s=>'<option value="'+esc(s.purchase_token||'')+'" data-pkg="'+esc(s.package||'')+'" data-sku="'+esc(s.sku||'')+'" data-order="'+esc(s.order_id||'')+'" '+(opts.oldToken&&opts.oldToken===s.purchase_token?'selected':'')+'>'+esc((s.package||'')+' / '+(s.sku||'')+' · 下次付费 '+fmtUnix(s.expiry, true))+'</option>').join('');
  const stacked=!!$('#modalRoot .modal-mask');
  const root=stacked?$('#modalStack'):$('#modalRoot');
  root.innerHTML='<div class="modal-mask"><div class="modal wide"><h3>'+(upgrade?'升级订阅':'购买')+' · '+esc(acc.email||('#'+aid))+'</h3>'+
    '<div class="fields">'+
    '<div><label>应用</label><select id="buyPkg" '+(upgrade?'disabled':'')+'>'+pkgs.map(p=>'<option value="'+esc(p)+'" '+(p===presetPkg?'selected':'')+'>'+esc(p)+'</option>').join('')+'</select></div>'+
    (upgrade?('<div class="upgrade-box"><label>原订阅</label><select id="buyOld" disabled>'+oldOpts+'</select><label>替换方式</label>'+replacementModeHtml(opts.replacementMode||2)+'</div>'):'')+
    '<div><label>SKU</label><select id="buySku">'+skuOptions(presetPkg||pkgs[0]||'', presetSku&&presetSku.id)+'</select></div>'+

    '<div id="buyObid"></div>'+
    '<div class="buy-actions"><button class="btn" type="button" id="buyQuery">刷新报价</button><span class="muted">国家 '+esc(accountCountry(acc)||'-')+'</span></div>'+
    '<div class="offer-box" id="buyOffers"></div>'+
    '</div><div class="actions"><button class="btn" id="mCancel">取消</button><button class="btn pri" id="mOk">'+(upgrade?'确认升级':'去支付')+'</button></div></div></div>';
  let picked=null;
  const pkgEl=$('#buyPkg'), skuEl=$('#buySku');
  const paintObid=()=>{
    const box=$('#buyObid'); if(!box) return;
    const spec=obidSpec(pkgEl&&pkgEl.value);
    if(!spec){ box.innerHTML=''; return; }
    const remote=spec.mode==='grok'||spec.mode==='claude';
    box.innerHTML='<label>'+esc(spec.label)+'</label><input id="buyObidInput" placeholder="'+esc(spec.hint)+'">'+(spec.profile?'<label>'+esc(spec.profile)+'</label><input id="buyObidProfile" placeholder="'+esc(spec.profile)+'">':'')+(remote?'<div class="muted" id="buyObidResult">填写后会立即解析</div>':'');
    const input=$('#buyObidInput');
    if(input && remote){
      let timer=0, seq=0;
      const run=async()=>{
        const raw=input.value.trim();
        const out=$('#buyObidResult');
        const mine=++seq;
        if(!raw){ if(out) out.textContent='填写后会立即解析'; return; }
        if(out) out.textContent='正在解析…';
        try{
          window._obidAccount=aid; const got=await obidValue(spec.mode, raw);
          if(mine!==seq) return;
          if(out){
            const row=(k,v)=>'<div><b>'+esc(k)+'</b> '+esc(v||'-')+'</div>';
            let html='';
            if(got.account) html+=row('obfuscated_id', got.account);
            if(got.profile) html+=row('profile', got.profile);
            (got.subscriptions||[]).forEach(s=>{
              html+='<div>'+String(s).split(/  +/).map(part=>{
                const i=part.indexOf('=');
                if(i<0) return esc(part);
                return '<b>'+esc(part.slice(0,i))+'</b> '+esc(part.slice(i+1));
              }).join('  ')+'</div>';
            });
            out.innerHTML=html||esc('没有解析到');
          }
        }catch(e){
          if(mine===seq && out) out.textContent=e.message||String(e);
        }
      };
      input.addEventListener('input', ()=>{ clearTimeout(timer); timer=setTimeout(run, 400); });
      input.addEventListener('paste', ()=>setTimeout(run, 0));
    }
  };
  const refill=()=>{
    const pkg=pkgEl?pkgEl.value:'';
    if(skuEl) skuEl.innerHTML=skuOptions(pkg, skuEl.value);
    paintObid();
  };
  if(pkgEl && !upgrade) pkgEl.onchange=()=>{ refill(); picked=null; showLocal(); };
  const drawOffers=(list)=>{
    const box=$('#buyOffers');
    if(!box) return;
    if(!list.length){ box.innerHTML='<div class="muted">没有报价</div>'; return; }
    const rows=list.map((o,i)=>{
      const kind=offerKindName(o.offer_kind||o.offer_type);
      const price=offerPrice(o);
      const dur=offerDuration(o)||'-';
      return '<tr class="pick" data-i="'+i+'"><td><input type="radio" name="offerPick" '+(i===0?'checked':'')+'></td><td>'+esc(kind)+'</td><td class="price">'+esc(price)+'</td><td>'+esc(dur)+'</td></tr>';
    }).join('');
    box.innerHTML='<table class="offer-pick"><colgroup><col class="c-sel"><col class="c-kind"><col class="c-price"><col class="c-dur"></colgroup><thead><tr><th></th><th>类型</th><th>价格</th><th>时长</th></tr></thead><tbody>'+rows+'</tbody></table>';
    const choose=i=>{ picked=list[i]||null; box.querySelectorAll('input[name=offerPick]').forEach((el,n)=>{ el.checked=n===i; }); };
    choose(0);
    box.querySelectorAll('tr.pick').forEach(tr=>{
      tr.onclick=()=>choose(Number(tr.getAttribute('data-i')));
    });
  };
  const localOffers=sku=>{
    const cc=accountCountry(acc);
    return ((sku&&sku.offers)||[]).filter(o=>{ const got=String(o.country||'').toUpperCase(); return !cc || !got || got===cc || got==='XX'; });
  };
  const showLocal=()=>{
    const sku=(cache.skus||[]).find(s=>Number(s.id)===Number(skuEl&&skuEl.value));
    drawOffers(localOffers(sku));
  };
  if(skuEl) skuEl.onchange=()=>{ picked=null; showLocal(); };
  paintObid();
  showLocal();
  $('#buyQuery').onclick=async()=>{
    const sku=(cache.skus||[]).find(s=>Number(s.id)===Number(skuEl&&skuEl.value));
    const pkg=(pkgEl&&pkgEl.value)||(sku&&sku.package)||'';
    const all=(cache.skus||[]).filter(s=>s && s.package===pkg);
    if(!all.length) return fail('无法查询','这个应用没有 SKU');
    modalBusy(true,'刷新报价');
    const byType={};
    all.forEach(s=>{ const t=s.product_type||'subs'; (byType[t]=byType[t]||[]).push(s.sku); });
    let firstErr='';
    for(const t of Object.keys(byType)){
      const j=await api('/api/sku/details',{method:'POST',body:JSON.stringify({account_id:aid, package:pkg, product_type:t, skus:byType[t], refresh:true})});
      if(j.error){ firstErr=j.error; continue; }
      const done=await waitJob(j.job_id, '查 SKU');
      const offers=parseJobOffers(done);
      const cc=accountCountry(acc)||'XX';
      all.forEach(s=>{
        if((s.product_type||'subs')!==t) return;
        const mine=offers.filter(o=>o.sku===s.sku || o.product_id===s.sku).map(o=>Object.assign({}, o, {country:o.country||cc}));
        if(mine.length) s.offers=mine;
      });
    }
    modalBusy(false);
    if(firstErr && !all.some(s=>(s.offers||[]).length)) return fail('无法查询', firstErr);
    showLocal();
  };
  const formBody=()=>{
    const sku=(cache.skus||[]).find(s=>Number(s.id)===Number(skuEl&&skuEl.value));
    if(!sku){ fail('无法购买','请选择 SKU'); return null; }
    const oldEl=$('#buyOld');
    const oldOpt=oldEl&&oldEl.selectedOptions?oldEl.selectedOptions[0]:null;
    const modeEl=root.querySelector('input[name=replMode]:checked');
    return {
      account_id:aid,
      package:sku.package,
      sku:sku.sku,
      product_type:sku.product_type||'subs',
      offer_token:(picked&&(picked.offer_token||picked.token))||sku.offer_token||'',
      upgrade:upgrade,
      old_purchase_token:upgrade?(opts.oldToken||(oldEl&&oldEl.value)||''):'',
      old_package:upgrade?((oldOpt&&oldOpt.getAttribute('data-pkg'))||opts.oldPackage||sku.package):'',
      old_sku:upgrade?((oldOpt&&oldOpt.getAttribute('data-sku'))||opts.oldSku||''):'',
      old_order_id:upgrade?((oldOpt&&oldOpt.getAttribute('data-order'))||opts.oldOrder||''):'',
      replacement_mode:upgrade?Number((modeEl&&modeEl.value)||opts.replacementMode||2):0,
      obid_raw:(($('#buyObidInput')||{}).value||'').trim(),
      obid_profile:(($('#buyObidProfile')||{}).value||'').trim(),
      obid_mode:(obidSpec(sku.package)||{}).mode||'',
      offer:picked
    };
  };
  let cancelled=false;
  let out=null;
  const done=await new Promise(resolve=>{
    $('#mOk').onclick=async()=>{
      if(cancelled) return;
      const draft=formBody();
      if(!draft) return;
      try{
        window._obidAccount=draft.account_id||aid; const got=await obidValue(draft.obid_mode, draft.obid_raw);
        draft.obfuscated_account_id=got.account||'';
        draft.obfuscated_profile_id=got.profile||draft.obid_profile||'';
      }catch(e){ fail('无法解析 obid', e.message||String(e)); return; }
      modalBusy(true, upgrade?'确认升级':'去支付');
      const ok=await showPayConfirm(draft);
      modalBusy(false);
      if(cancelled) return;
      if(ok){ out=Object.assign({}, draft, {immediate:!!draft.immediate}); resolve(true); }
    };
    $('#mCancel').onclick=()=>{ cancelled=true; resolve(false); };
    bindMaskClose(root, ()=>{ cancelled=true; resolve(false); });
  });
  root.innerHTML='';
  return done?out:null;
}
async function showPayConfirm(body){
  const preview=await api('/api/purchases/preview',{method:'POST',body:JSON.stringify(body)});
  if(preview.error && !preview.due && !preview.price) return fail('无法预览', preview.error);
  const price=preview.price||'-';
  const startAt=preview.start||'';
  const due=preview.due||(startAt?'$0.00':(price||'-'));
  const rows=[
    ['本次应付', due],
    ['之后价格', price],
    ['币种', preview.currency||'-'],
    ['付款开始', startAt||'-'],
    ['首次扣款', preview.next||'-']
  ];
  if(preview.detail) rows.push(['说明', preview.detail]);
  const ok=await modal({
    title: body.upgrade?'确认升级':'确认支付',
    rows: rows,
    message: preview.error||preview.debug||'',
    okText: '确认支付',
    cancelText: '取消',
    stack: true,
    extraBefore: '<label class="mode-pick" style="margin-top:8px"><input type="checkbox" id="payNow"><span class="mode-copy"><strong>直接插队执行</strong><span class="muted">默认否。选中后不受队列并发限制，立即开始</span></span></label>',
    onOk: ()=>{ body.immediate=!!($('#payNow')&&$('#payNow').checked); }
  });
  return !!ok;
}
async function buyOne(ev, id, preset){
  preset=preset||{};
  const body=await skuForm(Object.assign({accountId:id, upgrade:!!preset.upgrade}, preset));
  if(!body) return;
  const payload={
    account_id:body.account_id,
    package:body.package,
    sku:body.sku,
    product_type:body.product_type,
    offer_token:body.offer_token,
    instrument_id:body.instrument_id||undefined,
    upgrade:!!body.upgrade,
    old_purchase_token:body.old_purchase_token||'',
    old_package:body.old_package||'',
    old_sku:body.old_sku||'',
    old_order_id:body.old_order_id||'',
    replacement_mode:body.replacement_mode||0,
    immediate:!!body.immediate,
    obfuscated_account_id:body.obfuscated_account_id||'',
    obfuscated_profile_id:body.obfuscated_profile_id||''
  };
  const j=await api('/api/purchases',{method:'POST',body:JSON.stringify(payload)});
  if(j.error) return fail('无法购买', j.error);
  notice(body.upgrade?'正在升级':'正在购买', (body.package||'')+' / '+(body.sku||''));
  watchAccountJob(id, 'buy', j.job_id, body.upgrade?'升级':'购买');
  refreshList();
}
async function buySelected(ev){
  const btn=clickBtn(ev);
  const ids=[...selected];
  if(!ids.length) return fail('无法购买','请先勾选账号');
  const body=await skuForm({accountId:ids[0], upgrade:false});
  if(!body) return;
  const ok=await modal({title:'批量购买', message:'将对 '+ids.length+' 个账号购买 '+body.package+' / '+body.sku+'。', okText:'确认', cancelText:'取消'});
  if(!ok) return;
  const j=await api('/api/purchases/batch',{method:'POST',body:JSON.stringify({
    account_ids:ids, package:body.package, sku:body.sku, product_type:body.product_type, offer_token:body.offer_token, confirm:true
  })});
  if(j.error) return fail('无法购买', j.error);
  if(j.need_confirm){
    const again=await api('/api/purchases/batch',{method:'POST',body:JSON.stringify({
      account_ids:ids, package:body.package, sku:body.sku, product_type:body.product_type, offer_token:body.offer_token, confirm:true
    })});
    if(again.error) return fail('无法购买', again.error);
    await waitJobs(again.job_ids||[], '购买', btn);
    return;
  }
  await waitJobs(j.job_ids||[], '购买', btn);
}
function sourcePill(src){
  const k=String(src||'');
  if(!k) return '<span class="muted">-</span>';
  return pill(k);
}
function renewPill(on){
  if(on) return '<span class="pill st-ready"><i></i>自动续订</span>';
  return '<span class="pill st-cancelled"><i></i>已关闭续订</span>';
}