import { spawn } from 'node:child_process'

const host = '127.0.0.1'
const port = '43117'
let printedLinks = false
let collectedLines = []
const maxCollectedLines = 400

const nuxtProcess = spawn('nuxt', [
  'dev',
  '--dotenv',
  '.env.development',
  '--host',
  host,
  '--port',
  port
], {
  shell: true,
  stdio: ['inherit', 'pipe', 'pipe']
})

/**
 * 개발 서버 링크 출력
 * @returns {void}
 */
const printDevLinks = () => {
  const origin = `http://${host}:${port}`
  console.log('')
  console.log('sori.studio 개발 서버')
  console.log(`- 개발 서버: ${origin}`)
  console.log(`- Admin: ${origin}/admin`)
  console.log(`- Tailwind Viewer: ${origin}/_tailwind/`)
  console.log('')
}

/**
 * Nuxt 로그 처리
 * @param {Buffer} chunk - 로그 버퍼
 * @returns {void}
 */
const handleNuxtLog = (chunk) => {
  const text = chunk.toString()

  for (const line of text.split('\n')) {
    if (line) {
      collectedLines.push(line)
      if (collectedLines.length > maxCollectedLines) {
        collectedLines = collectedLines.slice(-maxCollectedLines)
      }
    }

    const localMatch = line.match(/Local:\s+(https?:\/\/[^\s]+)/)

    if (localMatch && !printedLinks) {
      printedLinks = true
      printDevLinks()
      continue
    }

    if (/(^|\s)(error:|warn:|warning:|failed|fatal|eaddrinuse|cannot|emfile|epipe|eacces|eperm)\b/i.test(line) || /\bat\s.+\(.+\)/.test(line) || /Object\.\$resolve/.test(line)) {
      console.log(line)
    }
  }
}

nuxtProcess.stdout.on('data', handleNuxtLog)
nuxtProcess.stderr.on('data', handleNuxtLog)

nuxtProcess.on('close', (code) => {
  if (code && collectedLines.length) {
    console.log('')
    console.log('--- Nuxt 종료 로그 (최근) ---')
    for (const line of collectedLines) {
      console.log(line)
    }
    console.log('--- 종료 로그 끝 ---')
    console.log('')
  }
  process.exit(code || 0)
})

process.on('SIGINT', () => {
  nuxtProcess.kill('SIGINT')
})

process.on('SIGTERM', () => {
  nuxtProcess.kill('SIGTERM')
})