const { testConnection, syncDatabase, dropDatabase } = require('../config/database');
const logger = require('./logger');

const initializeDatabase = async (force = false) => {
  try {
    console.log('🚀 Initializing database...');
    
    // Test connection
    console.log('📡 Testing database connection...');
    const connected = await testConnection();
    if (!connected) {
      throw new Error('Database connection failed');
    }
    console.log('✅ Database connection successful');

    // Sync database (create tables)
    console.log('🔧 Synchronizing database schema...');
    const synced = await syncDatabase(force);
    if (!synced) {
      throw new Error('Database synchronization failed');
    }
    console.log('✅ Database schema synchronized');

    console.log('🎉 Database initialization completed successfully!');
    return true;
  } catch (error) {
    console.error('❌ Database initialization failed:', error.message);
    logger.error('Database initialization error:', error);
    return false;
  }
};

const resetDatabase = async () => {
  try {
    console.log('🔄 Resetting database...');
    
    // Drop all tables
    console.log('🗑️  Dropping all tables...');
    const dropped = await dropDatabase();
    if (!dropped) {
      throw new Error('Database drop failed');
    }
    console.log('✅ All tables dropped');

    // Reinitialize
    console.log('🔧 Reinitializing database...');
    const initialized = await initializeDatabase(true);
    if (!initialized) {
      throw new Error('Database reinitialization failed');
    }
    console.log('✅ Database reset completed');

    return true;
  } catch (error) {
    console.error('❌ Database reset failed:', error.message);
    logger.error('Database reset error:', error);
    return false;
  }
};

const checkDatabaseStatus = async () => {
  try {
    console.log('🔍 Checking database status...');
    
    const connected = await testConnection();
    if (!connected) {
      console.log('❌ Database connection failed');
      return false;
    }
    
    console.log('✅ Database is connected and ready');
    return true;
  } catch (error) {
    console.error('❌ Database status check failed:', error.message);
    return false;
  }
};

// Run initialization if this file is executed directly
if (require.main === module) {
  const args = process.argv.slice(2);
  const command = args[0] || 'init';
  
  switch (command) {
    case 'init':
      initializeDatabase().then(success => {
        process.exit(success ? 0 : 1);
      });
      break;
    case 'reset':
      resetDatabase().then(success => {
        process.exit(success ? 0 : 1);
      });
      break;
    case 'status':
      checkDatabaseStatus().then(success => {
        process.exit(success ? 0 : 1);
      });
      break;
    default:
      console.log('Usage: node databaseInit.js [init|reset|status]');
      process.exit(1);
  }
}

module.exports = {
  initializeDatabase,
  resetDatabase,
  checkDatabaseStatus
};