/**
 * Sync Context model to database with ALTER
 * This will update the existing table structure
 */
const { sequelize } = require('./config/database');
const Context = require('./models/Context');

async function syncContext() {
  try {
    console.log('🔄 Starting Context table sync with ALTER...');
    
    // Test connection
    await sequelize.authenticate();
    console.log('✅ Database connection OK');
    
    // Sync Context model with alter to update structure
    await Context.sync({ alter: true });
    console.log('✅ Context table synced successfully (grade column updated to INTEGER)');
    
    // Show table structure
    const [columns] = await sequelize.query(`
      SELECT COLUMN_NAME, COLUMN_TYPE, IS_NULLABLE, COLUMN_DEFAULT, COLUMN_COMMENT 
      FROM INFORMATION_SCHEMA.COLUMNS 
      WHERE TABLE_NAME = 'context' AND TABLE_SCHEMA = DATABASE()
      ORDER BY ORDINAL_POSITION
    `);
    
    console.log('\n📊 Context table structure:');
    columns.forEach((col, index) => {
      console.log(`   ${index + 1}. ${col.COLUMN_NAME} - ${col.COLUMN_TYPE} ${col.IS_NULLABLE === 'NO' ? 'NOT NULL' : 'NULL'}`);
      if (col.COLUMN_COMMENT) {
        console.log(`      Comment: ${col.COLUMN_COMMENT}`);
      }
    });
    
    console.log('\n✅ Context table update complete!');
    process.exit(0);
  } catch (error) {
    console.error('❌ Error syncing Context table:', error.message);
    console.error(error.stack);
    process.exit(1);
  }
}

syncContext();