#!/usr/bin/env node
/**
 * Rebuild UMS candidates + snapshot from existing signals (no new evidence ingest).
 *
 *   UMS_DATABASE_URL=... node scripts/rebuild-ums-snapshot.mjs [user_id]
 */
import { createUmsPool, isUmsDatabaseConfigured } from '../user-model-service/db.mjs';
import { mergeCandidatesFromSignals } from '../user-model-service/candidates.mjs';
import { materializeProfileAndSnapshot } from '../user-model-service/snapshot.mjs';
import { resolveCanonicalUserId } from '../user-model-service/canonical-user.mjs';

async function main() {
  if (!isUmsDatabaseConfigured()) {
    console.error('Set UMS_DATABASE_URL');
    process.exit(1);
  }
  const userId = resolveCanonicalUserId(
    process.argv[2] ?? process.env.UMS_REBUILD_USER_ID ?? 'a70ff537-8908-486e-9b6c-042e07cc25db',
  );
  const pool = createUmsPool();
  try {
    const candidates = await mergeCandidatesFromSignals(pool, userId);
    const snapshot = await materializeProfileAndSnapshot(pool, userId, { reason: 'rebuild_script' });
    console.log('rebuild OK:', {
      user_id: userId,
      candidates_touched: candidates,
      profile_version: snapshot.profile_version,
      byte_size: snapshot.byte_size,
    });
  } finally {
    await pool.end();
  }
}

main().catch((err) => {
  console.error(err);
  process.exit(1);
});