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

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

/**
 * PostgreSQL configuration with validation and defaults
 */
export const postgresConfig = cleanEnv(process.env, {
  // PostgreSQL Connection Settings
  POSTGRES_HOST: str('localhost', 'PostgreSQL host'),
  POSTGRES_PORT: port(5432, 'PostgreSQL port'),
  POSTGRES_DATABASE: str('stockbot', 'PostgreSQL database name'),
  POSTGRES_USERNAME: str('stockbot', 'PostgreSQL username'),
  POSTGRES_PASSWORD: str('', 'PostgreSQL password'),

  // Connection Pool Settings
  POSTGRES_POOL_MIN: num(2, 'Minimum pool connections'),
  POSTGRES_POOL_MAX: num(10, 'Maximum pool connections'),
  POSTGRES_POOL_IDLE_TIMEOUT: num(30000, 'Pool idle timeout in ms'),

  // SSL Configuration
  POSTGRES_SSL: bool(false, 'Enable SSL for PostgreSQL connection'),
  POSTGRES_SSL_REJECT_UNAUTHORIZED: bool(true, 'Reject unauthorized SSL certificates'),

  // Additional Settings
  POSTGRES_QUERY_TIMEOUT: num(30000, 'Query timeout in ms'),
  POSTGRES_CONNECTION_TIMEOUT: num(5000, 'Connection timeout in ms'),
  POSTGRES_STATEMENT_TIMEOUT: num(30000, 'Statement timeout in ms'),
  POSTGRES_LOCK_TIMEOUT: num(10000, 'Lock timeout in ms'),
  POSTGRES_IDLE_IN_TRANSACTION_SESSION_TIMEOUT: num(60000, 'Idle in transaction timeout in ms'),
});

// Export typed configuration object
export type PostgresConfig = typeof postgresConfig;

// Export individual config values for convenience
export const {
  POSTGRES_HOST,
  POSTGRES_PORT,
  POSTGRES_DATABASE,
  POSTGRES_USERNAME,
  POSTGRES_PASSWORD,
  POSTGRES_POOL_MIN,
  POSTGRES_POOL_MAX,
  POSTGRES_POOL_IDLE_TIMEOUT,
  POSTGRES_SSL,
  POSTGRES_SSL_REJECT_UNAUTHORIZED,
  POSTGRES_QUERY_TIMEOUT,
  POSTGRES_CONNECTION_TIMEOUT,
  POSTGRES_STATEMENT_TIMEOUT,
  POSTGRES_LOCK_TIMEOUT,
  POSTGRES_IDLE_IN_TRANSACTION_SESSION_TIMEOUT,
} = postgresConfig;