import { watch } from 'fs'
import { execSync } from 'child_process'
import { join } from 'path'
import { fileURLToPath } from 'url'
import { dirname } from 'path'

const __dirname = dirname(fileURLToPath(import.meta.url))
const SRC_DIR = join(__dirname, 'src')
const DEPLOY_SCRIPT = join(__dirname, 'deploy.sh')
const COOLDOWN_MS = 5000

let timer = null

console.log(`Watching ${SRC_DIR} for changes...`)
console.log('Auto-deploying to copelk on save')
console.log('Press Ctrl+C to stop\n')

watch(SRC_DIR, { recursive: true }, (event, filename) => {
  if (!filename) return

  console.log(`[${new Date().toLocaleTimeString()}] ${event}: ${filename}`)

  if (timer) clearTimeout(timer)
  timer = setTimeout(() => {
    console.log('\nDeploying...\n')
    try {
      execSync(`bash ${DEPLOY_SCRIPT}`, { stdio: 'inherit' })
      console.log('\nWatching for next change...\n')
    } catch (e) {
      console.error('Deploy failed:', e.message)
    }
  }, COOLDOWN_MS)
})