/**
 * aliChoice 类目 dry 扫描（不保存）
 * 对每个商品：cat_kw 起，逐次回退 cat_fb —— 选中后检查类目是否**强制商品说明书**，
 * 取第一个不强制说明书的词；全都强制就标 needsManual。
 * 结果写 alc_route.json，供 alcbatch.mjs 直接使用（避免重跑时再猜类目）。
 */
import { readFileSync, writeFileSync, appendFileSync } from 'fs';
import { newPage, closePage, wait } from '/home/admin9webs/shein建品/sh_lib.mjs';
import { selectCategory } from '/home/admin9webs/shein建品/sh_build.mjs';

const DIR = '/home/admin9webs/alichoice建品';
const INPUT = JSON.parse(readFileSync('/home/admin9webs/tiktok建品/tk_input.json', 'utf8'));
const OUT = `${DIR}/alc_route.json`;
const LOG = `${DIR}/alc_dry.log`;
const SKIP = new Set(['601964534137']);
const log = m => { const l = `[${new Date().toISOString().slice(11, 19)}] ${m}`; console.log(l); appendFileSync(LOG, l + '\n'); };

let route = {}; try { route = JSON.parse(readFileSync(OUT, 'utf8')); } catch {}

async function pickFirstOption(c, labelRe) {
  const p = JSON.parse(String(await c.evalJS(`(()=>{const f=[...document.querySelectorAll('.ant-form-item')].filter(e=>e.offsetParent!==null)
    .find(e=>new RegExp(${JSON.stringify(labelRe)}).test((e.querySelector('label')||{}).innerText||''));
    const s=f?f.querySelector('.ant-select-selector'):null; if(!s) return '[]'; s.scrollIntoView({block:'center'});
    const r=s.getBoundingClientRect(); return JSON.stringify([Math.round(r.x+r.width/2),Math.round(r.y+r.height/2)]);})()`)));
  if (!p.length) return 'no-sel';
  await c.send('Input.dispatchMouseEvent', { type: 'mouseMoved', x: p[0], y: p[1], buttons: 0 }); await wait(250);
  for (const t of ['mousePressed', 'mouseReleased'])
    await c.send('Input.dispatchMouseEvent', { type: t, x: p[0], y: p[1], button: 'left', clickCount: 1, buttons: 1 });
  await wait(1800);
  return c.evalJS(`(()=>{const dd=[...document.querySelectorAll('.ant-select-dropdown')].filter(e=>e.offsetParent!==null).pop();
    if(!dd) return 'no-dd'; const op=[...dd.querySelectorAll('.ant-select-item-option')].filter(e=>e.offsetParent!==null)[0]; if(!op) return 'no-op';
    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(0,14);})()`);
}

/** 类目选中后，看表单里有没有「商品说明书」这类强制文件项 */
async function needsManual(c) {
  return c.evalJS(`(()=>{
    for (const e of document.querySelectorAll('.ant-form-item')) {
      if (e.offsetParent === null) continue;
      const t = (e.innerText || '');
      if (!/商品说明书|说明书/.test(t)) continue;
      const lab = e.querySelector('label');
      const req = (lab && /required/.test(String(lab.className))) || e.querySelector('.attr-label.required') || /请上传文件/.test(t);
      if (req) return 1;
    }
    return 0;})()`);
}

const pids = Object.keys(INPUT).filter(p => (INPUT[p].imgs || []).length > 0).filter(p => !SKIP.has(p));
log(`aliChoice 类目 dry 扫描：${pids.length} 条`);
for (const pid of pids) {
  if (route[pid] && route[pid].cat) { log(`跳过 ${pid}（已有 ${route[pid].cat}）`); continue; }
  const it = INPUT[pid];
  let c;
  try {
    c = await newPage('https://www.dianxiaomi.com/web/smtChoice/add');
    await wait(11000);
    await pickFirstOption(c, '店铺名称'); await wait(5500);
    await pickFirstOption(c, '备货类型'); await wait(2500);
    const cands = [it.cat_kw, ...(it.cat_fb || [])].filter(Boolean).slice(0, 6);
    let chosen = null;
    for (const kw of cands) {
      const r = String(await selectCategory(c, kw, kw));
      await wait(3500);
      if (!r.startsWith('path:')) { log(`   ${pid} 「${kw}」无结果`); continue; }
      const nm = await needsManual(c);
      log(`   ${pid} 「${kw}」 → ${r.slice(5, 60)} 说明书=${nm ? '强制' : '否'}`);
      if (!nm) { chosen = { cat: kw, path: r.slice(5, 90), needsManual: false }; break; }
    }
    route[pid] = chosen || { cat: null, needsManual: true, tried: cands };
    writeFileSync(OUT, JSON.stringify(route, null, 1));
  } catch (e) {
    log(`   ${pid} 异常: ${String(e).slice(0, 120)}`);
    route[pid] = { cat: null, error: String(e).slice(0, 120) };
    writeFileSync(OUT, JSON.stringify(route, null, 1));
  } finally {
    if (c) await closePage(c);
    await wait(1500);
  }
}
const okN = Object.values(route).filter(v => v.cat).length;
log(`dry 扫描结束：可用类目 ${okN} / ${pids.length}，需人工 ${Object.values(route).filter(v => v.needsManual).length}`);