import dotenv from 'dotenv';
import path from 'path';

dotenv.config({ path: path.resolve(process.cwd(), '.env') });

export const config = {
  port: parseInt(process.env.PORT || '3001', 10),
  nodeEnv: process.env.NODE_ENV || 'development',
  jwtSecret: process.env.JWT_SECRET || 'vod-manager-dev-secret-change-me',
  jwtExpiresIn: process.env.JWT_EXPIRES_IN || '7d',
  encryptionKey: process.env.APP_ENCRYPTION_KEY || '',
  defaultAdminUsername: process.env.DEFAULT_ADMIN_USERNAME || 'admin',
  defaultAdminPassword: process.env.DEFAULT_ADMIN_PASSWORD || 'admin',
  dbPath: process.env.DB_PATH || path.resolve(process.cwd(), 'data', 'vod-manager.db'),
  vodEndpointTemplate: process.env.VOD_ENDPOINT_TEMPLATE || 'vod.{region}.aliyuncs.com',
};

export function validateConfig(): void {
  if (config.nodeEnv === 'production' && config.jwtSecret === 'vod-manager-dev-secret-change-me') {
    throw new Error('JWT_SECRET must be set in production');
  }
}