#!/usr/bin/env node
/**
 * 每日筛选汇总生成器 v1.0（2026-08-26）
 * 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]
 * 输出：Markdown 文本到 stdout（cron 任务用 hermes send -f 发送）
 */
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 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;

// 最近一次聊天剩余（从最近 scrape_log 无记录，需运行时传入；此处用环境变量或显示待补）
const chatLeft = process.env.CHAT_LEFT_HR1 ? `hr1 剩 ${process.env.CHAT_LEFT_HR1}` : 'hr1 剩 ?';
const chatLeft2 = process.env.CHAT_LEFT_HR2 ? `hr2 剩 ${process.env.CHAT_LEFT_HR2}` : 'hr2 剩 ?';

// ---------- Markdown 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: { label: 'hr1（Chrome）', chatLeft: () => process.env.CHAT_LEFT_HR1 ? `剩 ${process.env.CHAT_LEFT_HR1} 次` : '—', status: () => process.env.HR1_STATUS || '✅ 在线' },
  hr2: { label: 'hr2（Edge）', chatLeft: () => process.env.CHAT_LEFT_HR2 ? `剩 ${process.env.CHAT_LEFT_HR2} 次` : '—', status: () => process.env.HR2_STATUS || '✅ 在线' },
};

const md = [];
md.push(`# 📊 智联简历筛选日报`);
md.push('');
md.push(`**${day} 周${wk}** · 岗位：二手车出口外贸业务员`);
md.push('---');
md.push('');

// 总览
md.push(`## ■ 今日总览`);
md.push('');
md.push(`| 指标 | hr1 Chrome | hr2 Edge | 合计 |`);
md.push(`|:---|---:|---:|---:|`);
md.push(`| 新增筛选 | ${byAcct.hr1?.n || 0} | ${byAcct.hr2?.n || 0} | **${total.n}** |`);
md.push(`| 打招呼 | ${byAcct.hr1?.greeted || 0} | ${byAcct.hr2?.greeted || 0} | **${total.greeted}** |`);
md.push('');

// 分账号小节
for (const acct of ['hr1', 'hr2']) {
  const meta = ACCT_META[acct];
  const v = byAcct[acct];
  md.push(`## ■ ${meta.label}`);
  md.push('');
  if (!v || v.n === 0) {
    md.push(`> 今日无筛选数据 · ${meta.status()}`);
    md.push('');
    continue;
  }
  const p = (n) => ((n / v.n) * 100).toFixed(1) + '%';
  md.push(`| 结果 | 人数 | 占比 |`);
  md.push(`|:---|---:|---:|`);
  md.push(`| ✅ 推荐 | ${v.rec} | ${p(v.rec)} |`);
  md.push(`| ⏳ 待定 | ${v.wait} | ${p(v.wait)} |`);
  md.push(`| ⛔ 拦截 | ${v.irr} | ${p(v.irr)} |`);
  md.push('');
  const gr = greetedRows.filter(g => g.account === acct);
  if (gr.length) {
    md.push(`**打招呼画像（${gr.length} 人）**`);
    md.push('');
    md.push(`| 姓名 | 年龄 | 学历 | 经验 | 评分 | 级别 |`);
    md.push(`|:---|---:|:---:|---:|---:|:---:|`);
    const top = gr.slice(0, 5);
    for (const g of top) {
      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' || '—');
      md.push(`| ${g.name} | ${g.age || '—'} | ${g.education || '—'} | ${exp} | ${g.score || '—'} | ${g.score_level} |`);
    }
    if (gr.length > 5) md.push(`| …共 ${gr.length} 人 | | | | | |`);
    md.push('');
  }
}

md.push(`## ■ 资源与状态`);
md.push('');
md.push(`| 账号 | 聊天剩余 | 状态 |`);
md.push(`|:---|---:|:---|`);
md.push(`| hr1 Chrome | ${ACCT_META.hr1.chatLeft()} | ${ACCT_META.hr1.status()} |`);
md.push(`| hr2 Edge | ${ACCT_META.hr2.chatLeft()} | ${ACCT_META.hr2.status()} |`);
md.push('');
md.push(`- 历史累计：${histTotal.toLocaleString()} 人`);

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