import { BackupRetrievalWorker } from '../helpers/backup_retrieval'
import dotenv from 'dotenv'

// Load environment variables from .env file if it exists
dotenv.config()

// Retrieve configuration from environment variables
const clientPort = Number(process.env.CLIENT_PORT)
const destinationPath = process.env.DESTINATION_PATH as string
const pathToDatabaseFile = process.env.DATABASE_FILE_PATH as string

// Validate that all required environment variables are present
if (!pathToDatabaseFile || !clientPort || !destinationPath) {
  console.error('Error: Missing required environment variables.')
  process.exit(1)
}

// Initialize the BackupRetrievalWorker
const backupRetrievalWorker = new BackupRetrievalWorker(
  pathToDatabaseFile,
  clientPort,
  destinationPath,
)

// Start the backup retrieval process
backupRetrievalWorker.start().then(() => {
  console.log('Backup retrieval process completed successfully.')
})

process.on('SIGTERM', async () => {
  console.log('Received SIGTERM. Cleaning up...')
  await cleanupAndExit()
})

process.on('SIGINT', async () => {
  console.log('Received SIGINT. Cleaning up...')
  await cleanupAndExit()
})

async function cleanupAndExit() {
  console.log('Cleanup complete. Exiting.')
  process.exit(0)
}