#!/usr/bin/env node
/**
 * Idempotent migration: add h5_experience V1 columns (problem, environment, evidence, …).
 *
 * Usage:
 *   node scripts/migrate-h5-experience-v1.mjs
 *   node scripts/migrate-h5-experience-v1.mjs --dry-run
 */
import { loadH5Environment } from './load-env.mjs';
import { createDbPool, migrateSchema } from '../db.mjs';

function parseArgs(argv) {
  const options = { dryRun: false };
  for (const arg of argv) {
    if (arg === '--dry-run') options.dryRun = true;
    else if (arg === '-h' || arg === '--help') {
      console.log('Usage: node scripts/migrate-h5-experience-v1.mjs [--dry-run]');
      process.exit(0);
    } else {
      throw new Error(`未知参数: ${arg}`);
    }
  }
  return options;
}

async function main() {
  loadH5Environment(import.meta.dirname);
  const options = parseArgs(process.argv.slice(2));

  if (options.dryRun) {
    console.log('[migrate-h5-experience-v1] dry-run: would run migrateSchema() (includes h5_experience V1 ALTERs)');
    return;
  }

  const pool = createDbPool();
  try {
    await migrateSchema(pool);
    console.log('[migrate-h5-experience-v1] ok');
  } finally {
    await pool.end();
  }
}

main().catch((error) => {
  console.error('[migrate-h5-experience-v1] failed:', error?.message ?? error);
  process.exit(1);
});