/// seeds/banners.js
const banners = [
  { id: 'b-1', title: '为肛肠/胃肠健康护航', subtitle: '三甲名医亲诊', image: 'https://picsum.photos/id/1015/750/400', link: '/pages/appointment/index', sort: 1, enabled: 1 }
];

const seedBanners = async (pool) => {
  const conn = await pool.getConnection();
  try {
    const [rows] = await conn.query('SELECT COUNT(*) AS c FROM banners');
    if (rows[0].c > 0) {
      console.log('[Seed] banners: skipped (already has data)');
      return;
    }
    for (const b of banners) {
      await conn.query(
        `INSERT INTO banners (id, title, subtitle, image, link, sort, enabled)
         VALUES (?, ?, ?, ?, ?, ?, ?)`,
        [b.id, b.title, b.subtitle, b.image, b.link, b.sort, b.enabled]
      );
    }
    console.log(`[Seed] banners: inserted ${banners.length}`);
  } finally {
    conn.release();
  }
};

module.exports = { seedBanners };