function playCountry(a){
  const c=String((a&&a.play_country)||'').trim().toUpperCase();
  if(/^[A-Z]{2}$/.test(c)) return c;
  return '-';
}
const COUNTRY_ZH={AR:'阿根廷',US:'美国',TR:'土耳其',BR:'巴西',MX:'墨西哥',DE:'德国',GB:'英国',JP:'日本',KR:'韩国',IN:'印度',ID:'印尼',TH:'泰国',VN:'越南',PH:'菲律宾',MY:'马来西亚',SG:'新加坡',AU:'澳大利亚',CA:'加拿大',FR:'法国',IT:'意大利',ES:'西班牙',NL:'荷兰',PL:'波兰',UA:'乌克兰',RU:'俄罗斯',CL:'智利',CO:'哥伦比亚',PE:'秘鲁',UY:'乌拉圭',TW:'台湾',HK:'香港',CN:'中国',AE:'阿联酋',SA:'沙特',EG:'埃及',ZA:'南非',NG:'尼日利亚',IL:'以色列',SE:'瑞典',NO:'挪威',DK:'丹麦',FI:'芬兰',CH:'瑞士',AT:'奥地利',BE:'比利时',PT:'葡萄牙',IE:'爱尔兰',CZ:'捷克',RO:'罗马尼亚',HU:'匈牙利',NZ:'新西兰'};
function countryLabel(cc){
  cc=String(cc||'').trim().toUpperCase();
  if(!cc || cc==='XX' || cc==='-') return '未知地区';
  return cc+(COUNTRY_ZH[cc]?(' '+COUNTRY_ZH[cc]):'');
}
function isoPeriod(p){
  p=String(p||'').toUpperCase().trim();
  const m=p.match(/^P(?:(\d+)Y)?(?:(\d+)M)?(?:(\d+)W)?(?:(\d+)D)?(?:T(?:(\d+)H)?(?:(\d+)M)?(?:(\d+)S)?)?$/);
  if(!m) return p;
  const bits=[];
  const one=function(n, u){ n=Number(n); if(!n) return ''; return n+u; };
  if(m[1]) bits.push(one(m[1],'年'));
  if(m[2]) bits.push(one(m[2],'个月'));
  if(m[3]) bits.push(one(m[3],'周'));
  if(m[4]) bits.push(one(m[4],'天'));
  return bits.join('')||p;
}
function offerDuration(o){
  if(!o) return '';
  const bill=isoPeriod(o.billing_period||'');
  const intro=isoPeriod(o.intro_period||'');
  const n=Number(o.intro_cycles||0);
  const introTxt=intro?(intro+(n>1?('×'+n):'')):'';
  if(o.offer_kind==='one_time') return '一次性';
  if(introTxt && bill){
    const prefix=(o.offer_kind==='trial'||o.intro_price==='Free')?'试用':'优惠';
    if(introTxt===bill) return prefix+bill+'，之后每'+bill;
    return prefix+introTxt+'，之后每'+bill;
  }
  if(introTxt) return introTxt;
  if(bill) return '每'+bill;
  return '';
}
function offerPrice(o){
  const intro=o&&o.intro_price?(o.intro_price+' → '):'';
  const price=String((o&&o.price)||'-');
  const cur=String((o&&o.currency)||'');
  if(!cur || price.indexOf(cur)>=0 || /[¥$€£₺]|TRY|USD|EUR|GBP|JPY|SGD|HKD/.test(price)) return intro+price;
  return intro+price+' '+cur;
}
function pill(s){ const k=String(s||''); return '<span class="pill st-'+esc(k)+'"><i></i>'+esc(statusName(k))+'</span>'; }
function cardNeedsVerify(c){
  const id=String((c&&c.instrument_id)||'');
  const st=String((c&&c.status)||'');
  if(st==='pending' || st==='needs_verification') return true;
  return (id==='play-cart-pending' || id.startsWith('play-') || id.startsWith('browser-') || id.startsWith('wallet-')) && st!=='instrument_ready' && st!=='ready';
}
function cardVerify(c){
  const st=String((c&&c.status)||'');
  if(cardNeedsVerify(c)) return pill('needs_verification');
  if(st==='instrument_ready' || st==='ready') return '<span class="muted">已验证</span>';
  if(!c || !c.instrument_id) return '<span class="muted">已验证</span>';
  return pill(st||'-');
}
function fmtTime(v){
  if(!v) return '-';
  const d=new Date(v); if(isNaN(d)) return String(v);
  const p=n=>String(n).padStart(2,'0');
  return p(d.getMonth()+1)+'-'+p(d.getDate())+' '+p(d.getHours())+':'+p(d.getMinutes())+':'+p(d.getSeconds());
}
function fmtDate(v, withYear){
  if(!v) return '-';
  const d=new Date(v); if(isNaN(d)) return String(v);
  const p=n=>String(n).padStart(2,'0');
  const day=(withYear?d.getFullYear()+'-':'')+p(d.getMonth()+1)+'-'+p(d.getDate());
  return day+' '+p(d.getHours())+':'+p(d.getMinutes())+':'+p(d.getSeconds());
}
function fmtUnix(v, withYear){
  if(v===null||v===undefined||v==='') return '-';
  let n=Number(v);
  if(!n) return '-';
  if(n>1e11 && n<1e12) n=Math.round(n);
  if(n<1e11) n*=1000;
  return withYear?fmtDate(n, true):fmtTime(n);
}
function purchaseTime(p){
  if(p&&p.purchase_time) return fmtUnix(p.purchase_time, true);
  const raw=p&&p.raw_json;
  if(raw){
    try{
      const o=JSON.parse(raw);
      const n=Number(o.purchaseTime||o.purchaseTimeMillis||o.purchase_time||0);
      if(n) return fmtUnix(n, true);
    }catch(e){}
  }
  return fmtDate(p&&p.created_at, true);
}
function purchaseTimeUnix(p){
  if(p&&p.purchase_time){
    let n=Number(p.purchase_time);
    if(n>1e11) n=Math.floor(n/1000);
    if(n) return n;
  }
  const raw=p&&p.raw_json;
  if(raw){
    try{
      const o=JSON.parse(raw);
      let n=Number(o.purchaseTime||o.purchaseTimeMillis||o.purchase_time||0);
      if(n>1e11) n=Math.floor(n/1000);
      if(n) return n;
    }catch(e){}
  }
  const c=p&&p.created_at;
  if(c){
    const d=new Date(c);
    if(!isNaN(d)) return Math.floor(d.getTime()/1000);
  }
  return 0;
}
function ackCell(s){
  const v=subscriptionAcknowledged(s);
  if(v==='未确认' && s){
    return esc(v)+' <button class="btn" data-ack-token="'+encodeURIComponent(s.purchase_token||'')+'" data-ack-account="'+Number(s.account_id)+'" data-ack-package="'+encodeURIComponent(s.package||'')+'" data-ack-sku="'+encodeURIComponent(s.sku||'')+'" data-ack-order="'+encodeURIComponent(s.order_id||'')+'" onclick="ackSub(event,this)">确认</button>';
  }
  return esc(v||'-');
}
async function ackSub(ev, btn){
  if(ev && ev.stopPropagation) ev.stopPropagation();
  const aid=Number(btn.getAttribute('data-ack-account'));
  const tok=decodeURIComponent(btn.getAttribute('data-ack-token')||'');
  const pkg=decodeURIComponent(btn.getAttribute('data-ack-package')||'');
  const sku=decodeURIComponent(btn.getAttribute('data-ack-sku')||'');
  const order=decodeURIComponent(btn.getAttribute('data-ack-order')||'');
  if(btn){ btn.disabled=true; btn.innerHTML='<span class="spin"></span>处理中'; }
  const j=await api('/api/subscriptions/acknowledge',{method:'POST',body:JSON.stringify({account_id:aid,purchase_token:tok,package:pkg,sku:sku,order_id:order})});
  if(j.error){
    if(btn){ btn.disabled=false; btn.textContent='确认'; }
    return fail('无法确认', j.error);
  }
  notice('正在确认订阅', '任务 #'+(j.job_id||''));
  if(btn) btn.outerHTML='确认中';
  refreshList();
}
function rawAcknowledged(raw){
  if(!raw) return '';
  try{
    const o=JSON.parse(raw);
    if(o.acknowledged===true || o.acknowledged===1 || o.acknowledged==='true') return '已确认';
    if(o.acknowledged===false || o.acknowledged===0 || o.acknowledged==='false') return '未确认';
  }catch(e){}
  return '';
}
function subscriptionAcknowledged(s){
  if(!s) return '';
  if(s.acknowledged===true) return '已确认';
  if(s.acknowledged===false) return '未确认';
  const own=rawAcknowledged(s.raw_json);
  if(own) return own;
  const hits=(cache.purchases||[]).filter(p=>p && p.account_id===s.account_id && p.package===s.package && p.purchase_token && p.purchase_token===s.purchase_token);
  for(const p of hits){
    const v=purchaseAcknowledged(p);
    if(v) return v;
  }
  return '';
}
function purchaseAcknowledged(p){
  return rawAcknowledged(p&&p.raw_json);
}
function purchaseStatus(p){
  const s=String((p&&p.status)||'').toLowerCase();
  if(s==='refunded') return 'refunded';
  if(s==='cancelled'||s==='canceled') return 'cancelled';
  if(s==='purchased') return 'purchased';
  const raw=p&&p.raw_json;
  if(raw){
    try{
      const o=JSON.parse(raw);
      if(Number(o.purchaseState||o.purchase_state)===1) return 'cancelled';
      const st=String(o.status||'').toLowerCase();
      if(st==='canceled'||st==='cancelled') return 'cancelled';
    }catch(e){}
  }
  return 'purchased';
}
function sortPurchasesDesc(list){
  return (list||[]).slice().sort((a,b)=> (purchaseTimeUnix(b)-purchaseTimeUnix(a)) || ((Number(b&&b.id)||0)-(Number(a&&a.id)||0)));
}
const appIconCache={};
function appIconUrl(pkg){
  pkg=String(pkg||'');
  if(!pkg) return '';
  if(appIconCache[pkg]) return appIconCache[pkg];
  if(appIconCache[pkg]==='') return '';
  appIconCache[pkg]='';
  api('/api/catalog/apps/'+encodeURIComponent(pkg)).then(j=>{
    const url=(j&&!j.error&&j.icon)||'';
    appIconCache[pkg]=url;
    if(!url) return;
    document.querySelectorAll('img.app-ico[data-pkg="'+pkg.replace(/"/g,'')+'"]').forEach(img=>{
      img.src=url; img.hidden=false;
    });
    document.querySelectorAll('.app-ico.ph[data-pkg="'+pkg.replace(/"/g,'')+'"]').forEach(el=>el.remove());
  }).catch(()=>{});
  return '';
}
function appIcoCell(pkg){
  pkg=String(pkg||'');
  const u=appIconCache[pkg]||'';
  const letter=(pkg.split('.').pop()||'?').slice(0,1).toUpperCase();
  appIconUrl(pkg);
  if(u) return '<td class="col-ico"><img class="app-ico" data-pkg="'+esc(pkg)+'" src="'+esc(u)+'" alt=""></td>';
  return '<td class="col-ico"><div class="app-ico ph" data-pkg="'+esc(pkg)+'">'+esc(letter)+'</div><img class="app-ico" data-pkg="'+esc(pkg)+'" alt="" hidden></td>';
}
function cardUsed(p){
  if(!p) return '';
  if(p.card_brand || p.card_last4){
    return [p.card_brand, p.card_last4].filter(Boolean).join(' · ');
  }
  const acc=(cache.accounts||[]).find(a=>a && a.id===p.account_id);
  const cards=((acc&&acc.cards)||[]).filter(c=>c && (c.ready || c.status==='instrument_ready'));
  if(cards.length===1) return [cards[0].brand, cards[0].last4].filter(Boolean).join(' · ');
  if(cards.length>1) return cards.map(c=>[c.brand,c.last4].filter(Boolean).join(' ')).join(' / ')+'（未记录具体哪张）';
  return '';
}