// Idempotent schema migration. Mirrors LabWise's server/src/db/migrate.ts —
// reads schema.sql and runs it through the same env-driven pg config the app
// uses, then exits. Compose's CMD chains this before `node index.js`.

const fs = require('fs');
const path = require('path');
const { Pool } = require('pg');

async function migrate() {
  const sql = fs.readFileSync(path.join(__dirname, 'schema.sql'), 'utf-8');
  const pool = new Pool();
  try {
    await pool.query(sql);
    console.log('[migrate] schema applied');
  } finally {
    await pool.end();
  }
}

migrate().catch((err) => {
  console.error('[migrate] failed:', err);
  process.exit(1);
});