/**
 * Drop and recreate Vocab table with new schema
 */
const { sequelize } = require('./config/database');
const { Vocab } = require('./models');

async function migrateVocabTable() {
  try {
    console.log('🔄 Starting vocab table migration...');
    
    await sequelize.authenticate();
    console.log('✅ Database connection OK');
    
    // Drop old vocab-related tables
    console.log('🗑️  Dropping old vocab-related tables...');
    await sequelize.query('DROP TABLE IF EXISTS `vocab_relation`');
    await sequelize.query('DROP TABLE IF EXISTS `vocab_form`');
    await sequelize.query('DROP TABLE IF EXISTS `vocab_mapping`');
    await sequelize.query('DROP TABLE IF EXISTS `vocab`');
    console.log('✅ Old tables dropped');
    
    // Recreate vocab table with new schema
    console.log('📊 Creating new vocab table...');
    await Vocab.sync({ force: true });
    console.log('✅ Vocab table created with new schema');
    
    console.log('\n✅ Vocab migration complete!');
    process.exit(0);
  } catch (error) {
    console.error('❌ Error migrating vocab table:', error.message);
    console.error(error.stack);
    process.exit(1);
  }
}

migrateVocabTable();