import { readdir, readFile } from 'node:fs/promises'

const files = (await readdir(new URL('../migrations/', import.meta.url)))
  .filter((name) => /^\d{3}_.+\.sql$/.test(name))
  .sort()

if (files.length === 0) throw new Error('No migrations found')

for (const file of files) {
  const sql = await readFile(new URL(`../migrations/${file}`, import.meta.url), 'utf8')
  if (!sql.trim()) throw new Error(`${file} is empty`)
  if (/\bDROP\s+(DATABASE|SCHEMA)\b/i.test(sql)) {
    throw new Error(`${file} contains destructive database/schema DDL`)
  }
}

console.log(JSON.stringify({ ok: true, migrations: files }))