/**
 * Database configuration using Yup
 */
import { cleanEnv, envValidators } from './env-utils';

const { str, port, num, bool } = envValidators;

/**
 * Database configuration with validation and defaults
 */
export const databaseConfig = cleanEnv(process.env, {
  // PostgreSQL Configuration
  DB_HOST: str('localhost', 'Database host'),
  DB_PORT: port(5432, 'Database port'),
  DB_NAME: str('stockbot', 'Database name'),
  DB_USER: str('stockbot', 'Database user'),
  DB_PASSWORD: str('', 'Database password'),

  // Connection Pool Settings
  DB_POOL_MIN: num(2, 'Minimum pool connections'),
  DB_POOL_MAX: num(10, 'Maximum pool connections'),
  DB_POOL_IDLE_TIMEOUT: num(30000, 'Pool idle timeout in ms'),

  // SSL Configuration
  DB_SSL: bool(false, 'Enable SSL for database connection'),
  DB_SSL_REJECT_UNAUTHORIZED: bool(true, 'Reject unauthorized SSL certificates'),

  // Additional Settings
  DB_QUERY_TIMEOUT: num(30000, 'Query timeout in ms'),
  DB_CONNECTION_TIMEOUT: num(5000, 'Connection timeout in ms'),
  DB_STATEMENT_TIMEOUT: num(30000, 'Statement timeout in ms'),
  DB_LOCK_TIMEOUT: num(10000, 'Lock timeout in ms'),
  DB_IDLE_IN_TRANSACTION_SESSION_TIMEOUT: num(60000, 'Idle in transaction timeout in ms'),
});

// Export typed configuration object
export type DatabaseConfig = typeof databaseConfig;

// Export individual config values for convenience
export const {
  DB_HOST,
  DB_PORT,
  DB_NAME,
  DB_USER,
  DB_PASSWORD,
  DB_POOL_MIN,
  DB_POOL_MAX,
  DB_POOL_IDLE_TIMEOUT,
  DB_SSL,
  DB_SSL_REJECT_UNAUTHORIZED,
  DB_QUERY_TIMEOUT,
  DB_CONNECTION_TIMEOUT,
  DB_STATEMENT_TIMEOUT,
  DB_LOCK_TIMEOUT,
  DB_IDLE_IN_TRANSACTION_SESSION_TIMEOUT,
} = databaseConfig;