/** SHEIN 建品：单条产品的构建函数集（逐步验证中） */
import { P, wait } from './sh_lib.mjs';

export async function mouseClick(c, x, y) {
  await c.send('Input.dispatchMouseEvent', { type: 'mouseMoved', x, y, buttons: 0 }); await wait(250);
  for (const t of ['mousePressed', 'mouseReleased'])
    await c.send('Input.dispatchMouseEvent', { type: t, x, y, button: 'left', clickCount: 1, buttons: 1 });
}
async function centerOf(c, expr) {
  return JSON.parse(String(await c.evalJS(`(()=>{const e=${expr}; if(!e) return '[]';
    e.scrollIntoView({block:'center'}); const r=e.getBoundingClientRect();
    return JSON.stringify([Math.round(r.x+r.width/2), Math.round(r.y+r.height/2)]);})()`)));
}

/** 选店铺账号（下拉里按名字精确匹配） */
export async function selectShop(c, shopName) {
  const pos = await centerOf(c, `[...document.querySelectorAll('.ant-form-item')].filter(e=>e.offsetParent!==null).find(e=>/店铺账号/.test((e.querySelector('label')||{}).innerText||''))?.querySelector('.ant-select-selector')`);
  if (!pos.length) return 'no-select';
  await mouseClick(c, pos[0], pos[1]);
  await wait(2200);
  const hit = await c.evalJS(`(()=>{
    const dd=[...document.querySelectorAll('.ant-select-dropdown')].filter(e=>e.offsetParent!==null).pop();
    if(!dd) return 'no-dd';
    const it=[...dd.querySelectorAll('.ant-select-item-option')].find(e=>(e.innerText||'').replace(/\\s+/g,'').includes(${JSON.stringify(shopName.replace(/\s+/g, ''))}));
    if(!it) return 'no-match';
    const r=it.getBoundingClientRect();
    for(const ev of ['mousedown','mouseup','click']) it.dispatchEvent(new MouseEvent(ev,{bubbles:true,cancelable:true,view:window,clientX:r.x+r.width/2,clientY:r.y+r.height/2}));
    return 'picked:'+(it.innerText||'').trim().slice(0,24);})()`);
  await wait(4500);
  return hit;
}

/** 选产品分类（弹窗搜索关键词 → 点第一个结果 → 确定） */
export async function selectCategory(c, kw, preferName) {
  const clicked = await c.evalJS(`(()=>{
    // 类目项标签各平台不一：SHEIN/Temu/aliChoice 叫「产品分类」，Lazada 叫「分类」；排除「店小秘分类」
    const it=[...document.querySelectorAll('.ant-form-item')].filter(e=>e.offsetParent!==null).find(e=>{
      const t=(e.querySelector('label')||{}).innerText||'';
      return /分类/.test(t) && !/店小秘/.test(t) && !!/选择分类/.test(e.innerText||'');});
    if(!it) return 'no-item';
    const b=[...it.querySelectorAll('*')].find(e=>(e.innerText||'').trim()==='选择分类'&&e.children.length===0);
    if(!b) return 'no-btn';
    for(const ev of ['mousedown','mouseup','click']) b.dispatchEvent(new MouseEvent(ev,{bubbles:true,cancelable:true,view:window}));
    return 'opened';})()`);
  if (clicked !== 'opened') return clicked;
  await wait(3000);
  const typed = await c.evalJS(`(()=>{
    const m=[...document.querySelectorAll('.ant-modal')].filter(e=>e.offsetParent!==null).pop();
    if(!m) return 'no-modal';
    const inp=m.querySelector('input[placeholder="搜索分类名称"]')||m.querySelector('input');
    if(!inp) return 'no-input';
    const setter=Object.getOwnPropertyDescriptor(window.HTMLInputElement.prototype,'value').set;
    setter.call(inp, ${JSON.stringify(kw)}); inp.dispatchEvent(new Event('input',{bubbles:true})); inp.dispatchEvent(new Event('change',{bubbles:true}));
    return 'typed';})()`);
  if (typed !== 'typed') return typed;
  await wait(800);
  // 2) 点「搜索」→ 结果是一条红字完整类目路径，点它才算选中
  await c.evalJS(`(()=>{const m=[...document.querySelectorAll('.ant-modal')].filter(e=>e.offsetParent!==null).pop();
    const b=[...m.querySelectorAll('button')].find(x=>/^\\s*搜索\\s*$/.test((x.innerText||'').trim()));
    if(b) for(const ev of ['mousedown','mouseup','click']) b.dispatchEvent(new MouseEvent(ev,{bubbles:true,cancelable:true,view:window})); return 1;})()`);
  await wait(3200);
  let picked = 'no-path';
  for (let attempt = 0; attempt < 5; attempt++) {
    picked = await c.evalJS(`(()=>{
      const m=[...document.querySelectorAll('.ant-modal')].filter(e=>e.offsetParent!==null).pop();
      if(!m) return 'no-modal2';
      // 搜索结果：.search-result-item（里面通常还嵌 <span class="f-red">最后一级</span>，所以别按 children.length===0 过滤）
      const items=[...m.querySelectorAll('.search-result-item')].filter(e=>e.offsetParent!==null);
      const want=${JSON.stringify(preferName || '')};
      const seg=e=>{const t=(e.innerText||'').replace(/\s+/g,''); const parts=t.split('/'); return ((parts[parts.length-1]||'').split('(')[0]);};
      const it=(want && items.find(e=>seg(e)===want)) || (want && items.find(e=>(e.innerText||'').replace(/\s+/g,'').includes(want))) || items[0];
      if(!it) return 'no-path';
      const r=it.getBoundingClientRect();
      for(const ev of ['mousedown','mouseup','click']) it.dispatchEvent(new MouseEvent(ev,{bubbles:true,cancelable:true,view:window,clientX:r.x+r.width/2,clientY:r.y+r.height/2}));
      return 'path:'+(it.innerText||'').replace(/\\s+/g,' ').trim().slice(0,60);})()`);
    if (String(picked).startsWith('path:')) break;
    if (picked === 'no-modal2') break;
    await wait(2000);
  }
  await wait(1800);
  // 3) 弹窗必须关掉，否则后面的点击全被挡（SHEIN/Temu 上是「预览图挂不上」，
  //    aliChoice 上更狠：弹窗不关 → 所有必填属性都填不上 → 保存报一串牛头不对马嘴的错）
  let left = Number(await c.evalJS(`[...document.querySelectorAll('.ant-modal')].filter(e=>e.offsetParent!==null).length`));
  for (let k = 0; k < 6 && left; k++) {
    await c.evalJS(`(()=>{const m=[...document.querySelectorAll('.ant-modal')].filter(e=>e.offsetParent!==null).pop();
      if(!m) return 'closed';
      const bar=[...m.querySelectorAll('button')];
      const b=bar.find(x=>/^\\s*(确定|选择)\\s*$/.test((x.innerText||'').trim()))||bar.find(x=>/^\\s*(关闭|取消)\\s*$/.test((x.innerText||'').trim()));
      if(b) for(const ev of ['mousedown','mouseup','click']) b.dispatchEvent(new MouseEvent(ev,{bubbles:true,cancelable:true,view:window}));
      const c2=[...m.querySelectorAll('.ant-modal-close')][0]; if(c2) c2.click();
      return b?'ok':'still-open';})()`);
    await wait(1500);
    await c.send('Input.dispatchKeyEvent', {type:'keyDown', key:'Escape', code:'Escape', windowsVirtualKeyCode:27}).catch(()=>{});
    await wait(600);
    if (k >= 3) await c.evalJS(`(()=>{const w=[...document.querySelectorAll('.ant-modal-wrap')].filter(e=>e.offsetParent!==null).pop(); if(w) w.click(); return 1;})()`);
    left = Number(await c.evalJS(`[...document.querySelectorAll('.ant-modal')].filter(e=>e.offsetParent!==null).length`));
  }
  await wait(3000);
  left = Number(await c.evalJS(`[...document.querySelectorAll('.ant-modal')].filter(e=>e.offsetParent!==null).length`));
  return picked + (left ? ' / MODAL-STILL-OPEN' : '');
}

export async function fillTitle(c, title) {
  return c.evalJS(`(()=>{const p=${P};
    const f=p._s.get('sheinAddProductStore').$state.formState; f.productName=${JSON.stringify(title)};
    return 'ok';})()`);
}

/** 逐个点开主题里还没启用的规格（颜色默认已启用，parent 带 disabled 类）。
 *  按标签去重：点开一个后同类主题可能还留在 DOM 里，重复点会多出「款式/款式」这种重复规格。 */
export async function addSpecs(c, max = 4, maxTotal = 3) {
  const added = [], seen = new Set();
  for (let i = 0; i < max; i++) {
    // SHEIN 硬限制：一个产品最多 3 个规格（颜色已占 1 个）。加满就停，否则报「规格最多选择3个」。
    const boxes = Number(await c.evalJS(`[...document.querySelectorAll('.sku-info-box')].filter(e=>e.offsetParent!==null).length`));
    if (boxes >= maxTotal) break;
    const r = await c.evalJS(`(()=>{
      const items=[...document.querySelectorAll('.theme-select-item')].filter(e=>e.offsetParent!==null&&!/disabled/.test(String(e.className)));
      const out=items.map(it=>{const t=[...it.querySelectorAll('*')].find(x=>x.children.length===0&&(x.innerText||'').trim()); return t?((t.innerText||'').trim().slice(0,16)):'';}).filter(Boolean);
      return JSON.stringify(out);})()`);
    const cands = JSON.parse(String(r || '[]')).filter(x => !seen.has(x));
    if (!cands.length) break;
    const label = cands[0];
    await c.evalJS(`(()=>{
      const items=[...document.querySelectorAll('.theme-select-item')].filter(e=>e.offsetParent!==null&&!/disabled/.test(String(e.className)));
      const it=items.map(it=>{const t=[...it.querySelectorAll('*')].find(x=>x.children.length===0&&(x.innerText||'').trim()); return {it, t, label:t?(t.innerText||'').trim().slice(0,16):''};})
        .find(o=>o.label===${JSON.stringify(label)});
      if(!it) return 'nf';
      for(const ev of ['mousedown','mouseup','click']) it.t.dispatchEvent(new MouseEvent(ev,{bubbles:true,cancelable:true,view:window}));
      return 'ok';})()`);
    seen.add(label);
    added.push(label);
    await wait(5000);
  }
  return added.join(' | ');
}

/** 每个规格组各勾第一个值（加规格会重建 SKU 行，必须在选完值之后再填 SKU 表） */
export async function pickSpecValues(c) {
  const r = await c.evalJS(`(()=>{const boxes=[...document.querySelectorAll('.sku-info-box')].filter(e=>e.offsetParent!==null);
    const done=[];
    boxes.forEach((b,i)=>{ const opts=[...b.querySelectorAll('.sku-option')].filter(e=>e.offsetParent!==null);
      if(!opts.length){done.push(i+':no-opt');return;}
      const inp=opts[0].querySelector('input[type=checkbox]');
      if(inp&&inp.checked){done.push(i+':already');return;}
      if(inp&&!inp.checked) inp.click();
      const lab=opts[0].querySelector('label')||opts[0];
      for(const ev of ['mousedown','mouseup','click']) lab.dispatchEvent(new MouseEvent(ev,{bubbles:true,cancelable:true,view:window}));
      done.push(i+':'+(opts[0].innerText||'').trim().slice(0,16)); });
    return done.join(' | ');})()`);
  await wait(8000);
  return r;
}

/** 填 SKU 行（在规格值选完之后调用） */
export async function fillSkuRows(c, { prefix = 'SHEIN', price = '12.90', supply = '8.50', stock = '999' } = {}) {
  return c.evalJS(`(()=>{const p=${P};
    const d=p._s.get('sheinSkuDataStore').$state.formState;
    const rows=d.skuDataList||[]; let n=0;
    rows.forEach((x,i)=>{ x.skcSupplierCode=${JSON.stringify(prefix)}+'-'+String(i+1).padStart(3,'0');
      x.skcRetailPrice=${JSON.stringify(price)}; x.supplyPrice=${JSON.stringify(supply)}; x.stockVariety=${JSON.stringify(stock)};
      x.weight='100'; x.length='200'; x.width='150'; x.height='30'; n++; });
    return 'rows:'+n;})()`);
}

/** 尺码表弹窗：6 个「请输入」→ 确定 */
export async function fillSizeTable(c) {
  await c.evalJS(`(()=>{const it=[...document.querySelectorAll('.ant-form-item')].filter(e=>e.offsetParent!==null)
    .find(x=>{const l=x.querySelector('label'); return l&&/尺码表/.test(l.innerText||'');});
    if(!it)return 0; const el=it.querySelector('.link')||it.querySelector('a,span'); if(!el)return 0;
    el.scrollIntoView({block:'center'});
    for(const ev of ['mousedown','mouseup','click']) el.dispatchEvent(new MouseEvent(ev,{bubbles:true,cancelable:true,view:window})); return 1;})()`);
  await wait(5000);
  const f = await c.evalJS(`(()=>{const m=[...document.querySelectorAll('.ant-modal')].filter(e=>e.offsetParent!==null).pop();
    if(!m)return'no-modal'; const ins=[...m.querySelectorAll('input')].filter(i=>i.offsetParent!==null&&i.placeholder==='请输入');
    const vals=['10','18','3','2','18','5']; let n=0;
    ins.forEach((el,i)=>{ if(i>=vals.length)return; el.focus();
      Object.getOwnPropertyDescriptor(window.HTMLInputElement.prototype,'value').set.call(el,vals[i]);
      el.dispatchEvent(new Event('input',{bubbles:true})); el.dispatchEvent(new Event('change',{bubbles:true})); el.dispatchEvent(new Event('blur',{bubbles:true})); n++; });
    return 'filled:'+n;})()`);
  await wait(1200);
  await c.evalJS(`(()=>{const m=[...document.querySelectorAll('.ant-modal')].filter(e=>e.offsetParent!==null).pop();
    if(m){const b=[...m.querySelectorAll('button')].find(x=>/^\\s*确定\\s*$/.test(x.innerText||'')); if(b) for(const ev of ['mousedown','mouseup','click']) b.dispatchEvent(new MouseEvent(ev,{bubbles:true,cancelable:true,view:window}));} return 1;})()`);
  await wait(4000);
  return f;
}

/** 图片：sheinImgStore.mainImgData.multipleSpuImgs 吃外链数组 */
export async function fillImages(c, urls) {
  const r = await c.evalJS(`(()=>{const p=${P};
    const im=p._s.get('sheinImgStore').$state.formState;
    const arr=${JSON.stringify(urls)}.map((u,i)=>({url:u,imgUrl:u,name:'img'+(i+1)+'.jpg',width:800,height:800}));
    if(!Array.isArray(im.mainImgData.multipleSpuImgs)||im.mainImgData.multipleSpuImgs.length<arr.length) im.mainImgData.multipleSpuImgs=arr;
    return 'imgs:'+(Array.isArray(im.mainImgData.multipleSpuImgs)?im.mainImgData.multipleSpuImgs.length:'?');})()`);
  await wait(3000);
  return r;
}

/** 兜底填「必填但没有值」的类目动态属性。
 *  · 下拉型（.ant-select 空着）→ 选第一个选项
 *  · 勾选型（.checkbox-group-with-search 里一个都没勾，如箱包的「特征 Features」）→ 勾第一个
 *  这些属性用 .attr-label.required 标记（不是 .ant-form-item-required），不填只会得到
 *  一句「产品信息中有错误，请检查」。
 */
export async function fillRequiredSelects(c, skip = ['店铺账号', '产品分类', '主规格', '产品标题', '店小秘分类', '尺码表']) {
  const ticked = await (async () => {
    const out = [];
    for (let round = 0; round < 6; round++) {
      const r = await c.evalJS(`(()=>{
        const items=[...document.querySelectorAll('.ant-form-item')].filter(e=>{
          if(e.offsetParent===null) return false;
          const lab=e.querySelector('label');
          const req=e.querySelector('.attr-label.required')||(lab&&/required/.test(String(lab.className))?lab:null)
            ||(lab&&(lab.innerText||'').trim().startsWith('*')?lab:null);
          if(!req) return false;
          const name=(req.innerText||'').replace(/\s+/g,' ').trim();
          if(${JSON.stringify(skip)}.some(s=>name.includes(s))) return false;
          const g=e.querySelector('.ant-checkbox-group'); if(!g) return false;
          const boxes=[...g.querySelectorAll('.ant-checkbox-wrapper')].filter(x=>x.offsetParent!==null);
          if(!boxes.length) return false;
          const checked=[...g.querySelectorAll('input.ant-checkbox-input')].some(i=>i.checked);
          return !checked;});
        const it=items[0]; if(!it) return '[]';
        const g=it.querySelector('.ant-checkbox-group');
        const box=[...g.querySelectorAll('.ant-checkbox-wrapper')].filter(x=>x.offsetParent!==null)[0];
        box.scrollIntoView({block:'center'});
        for(const ev of ['mousedown','mouseup','click']) box.dispatchEvent(new MouseEvent(ev,{bubbles:true,cancelable:true,view:window}));
        const lab=box.querySelector('span')||box;
        return JSON.stringify({name:(it.querySelector('.attr-label.required').innerText||'').replace(/\s+/g,' ').trim().slice(0,24), val:(lab.innerText||'').trim().slice(0,18)});})()`);
      const o = JSON.parse(String(r || '[]'));
      if (!o.name) break;
      out.push(o.name + '=' + o.val);
      await wait(1500);
    }
    return out.join(' | ');
  })();
  const filled = [];
  for (let round = 0; round < 8; round++) {
    const tgt = JSON.parse(String(await c.evalJS(`(()=>{
      const items=[...document.querySelectorAll('.ant-form-item')].filter(e=>{
        const l=e.querySelector('label');
        const reqOk = l && (/required/.test(String(l.className)) || (l.innerText||'').trim().startsWith('*') || e.querySelector('.attr-label.required'));
        if(!reqOk) return false;
        if(e.offsetParent===null) return false;
        if(e.querySelector('.ant-form-item')) return false;   // 容器项（如「产品属性」）：只管叶子项
        const name=(l.innerText||'').replace(/\\s+/g,' ').trim();
        if(${JSON.stringify(skip)}.some(s=>name.includes(s))) return false;
        const sel=e.querySelector('.ant-select'); if(!sel) return false;
        const txt=(sel.innerText||'').replace(/\\s+/g,' ').trim();
        return !txt || /请选择/.test(txt);});
      const it=items[0]; if(!it) return '[]';
      const l=it.querySelector('label'); const sel=it.querySelector('.ant-select-selector')||it.querySelector('.ant-select');
      sel.scrollIntoView({block:'center'}); const r=sel.getBoundingClientRect();
      return JSON.stringify({name:(l.innerText||'').replace(/\\s+/g,' ').trim().slice(0,30), x:Math.round(r.x+r.width/2), y:Math.round(r.y+r.height/2)});})()`)));
    if (!tgt.name) break;
    await c.send('Input.dispatchKeyEvent', {type:'keyDown', key:'Escape', code:'Escape', windowsVirtualKeyCode:27}).catch(()=>{});
    await wait(400);
    await c.send('Input.dispatchMouseEvent', {type:'mouseMoved', x:tgt.x, y:tgt.y, buttons:0}); await wait(250);
    for (const t of ['mousePressed','mouseReleased']) await c.send('Input.dispatchMouseEvent', {type:t, x:tgt.x, y:tgt.y, button:'left', clickCount:1, buttons:1});
    await wait(1800);
    if (/产地|Origin/i.test(tgt.name)) { await c.send('Input.insertText', {text:'中国'}).catch(()=>{}); await wait(1500); }
    const pick = await c.evalJS(`(()=>{const cy=${JSON.stringify(tgt.y)};
      const cands=[...document.querySelectorAll('.ant-select-dropdown')].filter(e=>e.offsetParent!==null);
      if(!cands.length) return 'no-dd';
      const dd=cands.map(e=>({e,d:Math.abs(e.getBoundingClientRect().top-cy)})).sort((a,b)=>a.d-b.d)[0].e;
      const ops=[...dd.querySelectorAll('.ant-select-item-option')].filter(e=>e.offsetParent!==null);
      if(!ops.length) return 'no-op';
      const want=${JSON.stringify(tgt.name)};
      const clean=x=>(x.innerText||'').replace(/\s+/g,' ').trim();
      const op=(/产地|Origin/i.test(want) ? ops.find(o=>/中国|China/i.test(clean(o))) : null)
        || ops.find(o=>!/^(无|none|NONE)/.test(clean(o))) || ops[0];
      const r=op.getBoundingClientRect();
      for(const ev of ['mousedown','mouseup','click']) op.dispatchEvent(new MouseEvent(ev,{bubbles:true,cancelable:true,view:window,clientX:r.x+r.width/2,clientY:r.y+r.height/2}));
      return 'picked:'+(op.innerText||'').trim().slice(0,18);})()`);
    filled.push(tgt.name + '=' + pick);
    await wait(1800);
    if (pick === 'no-dd' || pick === 'no-op') break;
  }
  return [filled.join(' | '), ticked].filter(x=>x&&x!=='none').join(' | ') || 'none';
}

/** 兜底填「必填但空着」的**文本输入**型类目属性（aliChoice 的「材质(Material)」就是 input，不是 select）。
 *  values：候选值，按顺序给每个空文本项发一个（不够就重复最后一个）。 */
export async function fillRequiredTextInputs(c, values = ['Other'], skip = ['店铺账号', '产品分类', '主规格', '产品标题', '店小秘分类', '尺码表', 'ParentSKU']) {
  // values 可以是数组（按顺序发），也可以是 (字段名)=>值的函数（推荐：不同字段给对的值）
  const filled = [];
  for (let round = 0; round < 6; round++) {
    const tgt = JSON.parse(String(await c.evalJS(`(()=>{
      const items=[...document.querySelectorAll('.ant-form-item')].filter(e=>{
        if(e.offsetParent===null) return false;
        const l=e.querySelector('label');
        const reqOk = l && (/required/.test(String(l.className)) || (l.innerText||'').trim().startsWith('*') || e.querySelector('.attr-label.required'));
        if(!reqOk) return false;
        if(e.querySelector('.ant-form-item')) return false;
        const name=(l.innerText||'').replace(/\\s+/g,' ').trim();
        if(${JSON.stringify(skip)}.some(s=>name.includes(s))) return false;
        if(e.querySelector('.ant-select,.ant-checkbox-group,.ant-radio-group,.ant-cascader')) return false;
        const inp=e.querySelector('input.ant-input, textarea.ant-input');
        if(!inp || inp.offsetParent===null) return false;
        if(String(inp.value||'').trim()) return false;
        return true;});
      const it=items[0]; if(!it) return '[]';
      const l=it.querySelector('label');
      return JSON.stringify({name:(l.innerText||'').replace(/\\s+/g,' ').trim().slice(0,30)});})()`)));
    if (!tgt.name) break;
    const v = (typeof values === 'function')
      ? String(values(tgt.name) || 'Other')
      : (values[Math.min(filled.length, values.length - 1)] || 'Other');
    const ok = await c.evalJS(`(()=>{
      const items=[...document.querySelectorAll('.ant-form-item')].filter(e=>{
        if(e.offsetParent===null) return false;
        const l=e.querySelector('label');
        const reqOk = l && (/required/.test(String(l.className)) || (l.innerText||'').trim().startsWith('*') || e.querySelector('.attr-label.required'));
        if(!reqOk) return false;
        if(e.querySelector('.ant-form-item')) return false;
        const name=(l.innerText||'').replace(/\\s+/g,' ').trim();
        if(${JSON.stringify(skip)}.some(s=>name.includes(s))) return false;
        if(e.querySelector('.ant-select,.ant-checkbox-group,.ant-radio-group,.ant-cascader')) return false;
        const inp=e.querySelector('input.ant-input, textarea.ant-input');
        return inp && inp.offsetParent!==null && !String(inp.value||'').trim();});
      const it=items.find(e=>((e.querySelector('label')||{}).innerText||'').replace(/\\s+/g,' ').trim().slice(0,30)===${JSON.stringify(tgt.name)});
      if(!it) return 'gone';
      const inp=it.querySelector('input.ant-input, textarea.ant-input');
      const proto = inp.tagName==='TEXTAREA' ? window.HTMLTextAreaElement.prototype : window.HTMLInputElement.prototype;
      Object.getOwnPropertyDescriptor(proto,'value').set.call(inp, ${JSON.stringify(v)});
      inp.dispatchEvent(new Event('input',{bubbles:true})); inp.dispatchEvent(new Event('change',{bubbles:true}));
      inp.dispatchEvent(new Event('blur',{bubbles:true}));
      return 'ok';})()`);
    filled.push(tgt.name + '=' + v);
    await wait(1200);
    if (ok === 'gone') break;
  }
  return filled.join(' | ') || 'none';
}

/** 兜底填**原生 <select>**（aliChoice 的「SKU分类」= 单品单件/同款多件/混合套装，
 *  以及「件/个 / 双」这类单位选择）。antd 选择器一个都匹配不到，只能按原生元素处理。 */
export async function fillNativeSelects(c, preferred = ['单品单件', '件/个']) {
  return c.evalJS(`(()=>{const pref=${JSON.stringify(preferred)};
    const done=[];
    for (const sel of document.querySelectorAll('select')) {
      if (sel.offsetParent === null) continue;
      if (sel.multiple) continue;
      const cur = sel.options[sel.selectedIndex];
      const empty = !sel.value || (cur && cur.disabled) || sel.selectedIndex <= 0;
      if (!empty) continue;
      const opts = [...sel.options].filter(o => !o.disabled && o.value !== '');
      if (!opts.length) continue;
      let pick = null;
      for (const p of pref) { pick = opts.find(o => (o.textContent || '').includes(p)); if (pick) break; }
      if (!pick) pick = opts[0];
      sel.value = pick.value;
      sel.dispatchEvent(new Event('input', { bubbles: true }));
      sel.dispatchEvent(new Event('change', { bubbles: true }));
      const label = (sel.closest('.ant-form-item') || {}).innerText || '';
      done.push((label.replace(/\\s+/g, ' ').trim().slice(0, 12) || 'select') + '=' + (pick.textContent || '').trim().slice(0, 12));
    }
    return done.join(' | ') || 'none';})()`);
}