#!/usr/bin/env node
/**
 * 每日筛选汇总生成器 v1.4（2026-09-15 极简紧凑版）
 * 从 recruitment.db 查询当日数据，生成 Markdown 日报。
 * 用法：node daily-report.js [YYYY-MM-DD] [--db /path/to.db]
 *
 * v1.4：表格极限压缩——总览改单行文本流（无表头无对齐行），
 * 画像表砍到3列。目标：整条消息一屏内、无空行浪费。
 */
const Database = require('better-sqlite3');
const path = require('path');

const args = process.argv.slice(2);
const dateArg = args.find(a => /^\d{4}-\d{2}-\d{2}$/.test(a));
const acctArgIdx = args.indexOf('--account');
const ONLY_ACCT = acctArgIdx >= 0 ? args[acctArgIdx + 1] : null;   // v1.5: 单账号渲染（分账号发送用）
const dbArgIdx = args.indexOf('--db');
const DB_PATH = dbArgIdx >= 0 ? args[dbArgIdx + 1] : '/opt/data/recruitment-data/recruitment-live.db';

const day = dateArg || new Date().toISOString().slice(0, 10);
const dayStart = `${day}T00:00`;
const dayEnd = `${day}T23:59`;

const db = new Database(DB_PATH, { readonly: true });

// ---------- 数据查询 ----------
const rows = db.prepare(
  `SELECT account, name, age, education, experience, school, score, score_level, role_tag,
          greeted, greeted_at, notes
   FROM candidates WHERE scraped_at >= ? AND scraped_at <= ?`
).all(dayStart, dayEnd);

// 账号聚合
const byAcct = {};
for (const r of rows) {
  const a = byAcct[r.account || '未知'] || (byAcct[r.account || '未知'] = { n: 0, rec: 0, wait: 0, irr: 0, greeted: 0 });
  a.n++;
  if (r.score_level === '推荐') a.rec++;
  else if (r.score_level === '待定') a.wait++;
  else a.irr++;
  if (r.greeted) a.greeted++;
}

const total = { n: rows.length, rec: 0, wait: 0, irr: 0, greeted: 0 };
for (const a of Object.values(byAcct)) { total.rec += a.rec; total.wait += a.wait; total.irr += a.irr; total.greeted += a.greeted; }

// 打招呼明细（当日实际打过招呼的人）
const greetedRows = rows.filter(r => r.greeted && r.greeted_at && r.greeted_at.startsWith(day))
  .sort((x, y) => (y.score || 0) - (x.score || 0));

// 历史累计
const histTotal = db.prepare('SELECT COUNT(*) c FROM candidates').get().c;

// ---------- 渲染 ----------
const WEEK = ['日', '一', '二', '三', '四', '五', '六'];
const wk = WEEK[new Date(day + 'T12:00:00Z').getUTCDay()];

const ACCT_META = {
  hr1: { short: 'hr1', chatLeft: () => process.env.CHAT_LEFT_HR1 || '—', status: () => process.env.HR1_STATUS || '✅' },
  hr2: { short: 'hr2', chatLeft: () => process.env.CHAT_LEFT_HR2 || '—', status: () => process.env.HR2_STATUS || '✅' },
};

// ---------- 开工判断（v1.5: --account 时只渲染该账号，且标题带账号名）----------
const activeAccts = ['hr1', 'hr2'].filter(a => (byAcct[a]?.n || 0) > 0);
const renderAccts = ONLY_ACCT ? activeAccts.filter(a => a === ONLY_ACCT) : activeAccts;

const md = [];
if (renderAccts.length > 0) {
const titleAcct = ONLY_ACCT ? `（${ACCT_META[ONLY_ACCT].short}）` : '';
md.push(`📊 **简历筛选日报${titleAcct} ${day} 周${wk}**`);
md.push('');
for (const a of renderAccts) {
  const v = byAcct[a];
  const p = (n) => v.n ? Math.round(n / v.n * 100) + '%' : '0%';
  md.push(`**${ACCT_META[a].short}** 筛${v.n}·打${v.greeted}｜✅${v.rec} ⏳${v.wait} ⛔${v.irr}(${p(v.irr)})｜剩${ACCT_META[a].chatLeft()}次 ${ACCT_META[a].status()}`);
}
if (renderAccts.length > 1 && !ONLY_ACCT) {
  const p = (n) => total.n ? Math.round(n / total.n * 100) + '%' : '0%';
  md.push(`**合计** 筛${total.n}·打${total.greeted}｜✅${total.rec} ⏳${total.wait} ⛔${total.irr}(${p(total.irr)})｜库累计${histTotal.toLocaleString()}`);
} else {
  md.push(`> 库累计 ${histTotal.toLocaleString()} 人`);
}
md.push('');

// 打招呼画像（3列极简：姓名 | 基本情况 | 分·级别）
for (const acct of renderAccts) {
  const gr = greetedRows.filter(g => g.account === acct);
  if (!gr.length) continue;
  md.push(`**打招呼 ${gr.length} 人**（${ACCT_META[acct].short}）`);
  md.push('');
  md.push(`| 姓名 | 情况 | 分 | 命中 |`);
  md.push(`|:--|:--|:--|:--|`);
  for (const g of gr.slice(0, 5)) {
    const expRaw = (g.experience || '').toString();
    const exp = /应届生|在校生/.test(expRaw) ? '应届' : (expRaw.match(/\d+年/) || [])[0] || ((expRaw.match(/^\d+$/)?.[0] || '') + '年' || '—');
    // 命中：notes里的 经验/专业/证书 提取关键词，紧凑展示（经验值/专业语种/证书名）
    const hit = (g.notes || '')
      .split(/[;；]/).map(s => s.trim()).filter(Boolean)
      .map(s => s.replace(/^经验:外贸\/出口.*/, '外贸出口').replace(/^经验:/, '').replace(/^专业:国际经济与贸易$/, '国贸').replace(/^专业:商务英语$/, '商英').replace(/^专业:应用英语$/, '应英').replace(/^专业:/, '').replace(/^证书:/, '').replace(/大学英语四级|英语四级/g, 'CET4').replace(/大学英语六级|英语六级/g, 'CET6').replace(/英语专业四级|英语四级考试/g, '专四').replace(/英语专业八级/g, '专八').replace(/\/.*/, ''))
      .join('·');
    md.push(`| ${g.name} | ${g.age || '?'}·${g.education || '?'}·${exp} | ${g.score}${g.score_level === '推荐' ? '✅' : ''} | ${hit.slice(0, 20)} |`);
  }
  if (gr.length > 5) md.push(`| …${gr.length}人 | | |`);
  md.push('');
}
}   // end if

console.log(md.join('\n'));
db.close();