/**
 * Rollback: Remove performance indexes
 *
 * This script removes the performance indexes created by add-performance-indexes.js
 * Use this if you need to drop the indexes for any reason.
 */

import Database from 'bun:sqlite';
import { join } from 'path';

async function rollback() {
  console.log('Starting rollback: Remove performance indexes...');

  // Get the directory containing this migration file
  const __dirname = new URL('.', import.meta.url).pathname;
  const dbPath = join(__dirname, '../award.db');

  const sqlite = new Database(dbPath);

  try {
    console.log('Dropping index: idx_qsos_user_band');
    sqlite.exec(`DROP INDEX IF EXISTS idx_qsos_user_band`);

    console.log('Dropping index: idx_qsos_user_mode');
    sqlite.exec(`DROP INDEX IF EXISTS idx_qsos_user_mode`);

    console.log('Dropping index: idx_qsos_user_confirmation');
    sqlite.exec(`DROP INDEX IF EXISTS idx_qsos_user_confirmation`);

    console.log('Dropping index: idx_qsos_duplicate_check');
    sqlite.exec(`DROP INDEX IF EXISTS idx_qsos_duplicate_check`);

    console.log('Dropping index: idx_qsos_lotw_confirmed');
    sqlite.exec(`DROP INDEX IF EXISTS idx_qsos_lotw_confirmed`);

    console.log('Dropping index: idx_qsos_dcl_confirmed');
    sqlite.exec(`DROP INDEX IF EXISTS idx_qsos_dcl_confirmed`);

    console.log('Dropping index: idx_qsos_qso_date');
    sqlite.exec(`DROP INDEX IF EXISTS idx_qsos_qso_date`);

    sqlite.close();

    console.log('\nRollback complete! Removed 7 performance indexes.');
    console.log('\nTo verify indexes were dropped, run:');
    console.log('  sqlite3 award.db ".indexes qsos"');

  } catch (error) {
    console.error('Rollback failed:', error);
    process.exit(1);
  }
}

// Run rollback
rollback().then(() => {
  console.log('\nRollback script completed successfully');
  process.exit(0);
});