const { DataSource } = require('typeorm');
const path = require('path');

const dataSourceOptions = {
  type: 'postgres',
  host: process.env.DB_HOST || 'localhost',
  port: parseInt(process.env.DB_PORT || '5432', 10),
  username: process.env.DB_USERNAME || 'finance_user',
  password: process.env.DB_PASSWORD || 'dev_password_123',
  database: process.env.DB_NAME || 'finance_app',
  migrations: [path.join(__dirname, '../dist/database/migrations/*.js')],
  logging: true,
};

async function runMigrations() {
  console.log('🔄 Running database migrations...');

  const dataSource = new DataSource(dataSourceOptions);

  try {
    await dataSource.initialize();
    console.log('📦 Database connection established');

    const migrations = await dataSource.runMigrations({ transaction: 'all' });

    if (migrations.length === 0) {
      console.log('✅ No pending migrations');
    } else {
      console.log(`✅ Successfully ran ${migrations.length} migration(s):`);
      migrations.forEach((m) => console.log(`   - ${m.name}`));
    }

    await dataSource.destroy();
    console.log('🔌 Database connection closed');
  } catch (error) {
    console.error('❌ Migration failed:', error.message);
    process.exit(1);
  }
}

runMigrations();