/**
 * 本地开发启动入口。
 */
import app from './app.js'
import fs from 'node:fs'
import path from 'node:path'
import { fileURLToPath } from 'node:url'

const PORT = Number(process.env.PORT || 3210)
const __filename = fileURLToPath(import.meta.url)
const __dirname = path.dirname(__filename)
const projectRootDir = path.resolve(__dirname, '..', '..')
const distDir = path.resolve(projectRootDir, 'dist')

process.on('unhandledRejection', (reason) => {
  console.error('未处理的 Promise 拒绝：', reason)
})

process.on('uncaughtException', (error) => {
  console.error('未捕获的异常：', error)
  process.exit(1)
})

const server = app.listen(PORT, '0.0.0.0', () => {
  console.log(
    `[boot] NODE_ENV=${process.env.NODE_ENV || ''} PORT=${PORT} cwd=${process.cwd()} root=${projectRootDir} distDir=${distDir} distExists=${fs.existsSync(distDir)} DATA_DIR=${process.env.DATA_DIR || ''}`,
  )
  console.log(`API 服务已启动：http://0.0.0.0:${PORT}`)
})

function shutdown(signal: string) {
  console.log(`${signal} 信号已接收，正在关闭服务...`)
  server.close(() => {
    console.log('服务已关闭')
    process.exit(0)
  })
}

process.on('SIGTERM', () => shutdown('SIGTERM'))
process.on('SIGINT', () => shutdown('SIGINT'))

export default app